CN204524363U - Crown saw quick-disassembly structure - Google Patents

Abstract

The utility model relates to a kind of crown saw quick-disassembly structure, and it comprises: crown saw, longitudinal main body and device for quickly disassembling; This crown saw has bolt apertures, sealing surface and pivoted hole; This longitudinal main body has drive end, tool ends end and limiting section, and this device for quickly disassembling is locked in longitudinal main body with this limiting section and locking parts; It is characterized in that, this device for quickly disassembling comprises: locking component and align member, this locking component comprises the first element and the second element, first element is provided with group cover portion, the two ends of this group cover portion radial direction are provided with lockhole, this lockhole has inserted a positioning bead, and this positioning bead is down suppressed by this second element axial displacement or decontroled, and this align member riveting is provided with two bodies of rod.Crown saw quick-disassembly structure provided by the utility model, its locking component is provided with the first element and the second element, easily can control longitudinal main body easily by this first element and the second element to move axially and locking, the sawing thing of saw material is released crown saw.

Description

Crown saw quick-disassembly structure

Technical field

The utility model, about a kind of crown saw quick-disassembly structure, refers to a kind of crown saw quick-disassembly structure boring circular hole for plank especially.

Background technology

In China Patent No.: in CN101076420A " for the drill bit footstalk that hole saw is exchanged and obturator is got rid of ", the device for quickly disassembling (described device for quickly disassembling can be installed on crown saw) of Quick-changing drill bit footstalk is attached to longitudinal main body (for drill bit footstalk), all be locked relative to longitudinal main body and can not rotate and be axially locked, after sawing hole in the material whereby, after device for quickly disassembling is from longitudinal body shaft to unblock, longitudinal main body is shifted through device for quickly disassembling, and displacement force is used for clogged with material thing to release crown saw simultaneously.

Device for quickly disassembling can allow longitudinal main body unclamp slidably, by pressing breech lock and make device for quickly disassembling by longitudinal body shaft to unblock after, longitudinal main body can be shifted in access aperture further.Thus, the end of longitudinal main body possibility bevel is used for clogged with material thing to release crown saw, and without any need for instrument or necessary separating tool.

Hold above-mentioned, its shortcoming for this pressing breech lock in operate time for press from top to bottom, and pressing breech lock take one end as fulcrum, operator must press the door bolt sheet of the other end of fulcrum, the force of this pressing is not average, operator must be taken larger strength and just pressing door bolt down can be pressed, longitudinal whereby main body (drill bit footstalk) just has way from device for quickly disassembling axially to slip off, above-mentioned device for quickly disassembling is the screw that one end is bolted in crown saw in advance, this problem produced is, due to the mode start that crown saw and longitudinal main body are all with radial rotary, and device for quickly disassembling is also be spirally connected with radial rotary, so may carry out in task driven process, because anti-shaking force unclamps to making device for quickly disassembling and the crown saw place of being spirally connected and cannot stably carry out cutting saw work.

Utility model content

In view of this, the purpose of this utility model is to provide a kind of crown saw quick-disassembly structure.

In order to reach above-mentioned object, the utility model provides a kind of crown saw quick-disassembly structure, and it comprises: crown saw, longitudinal main body and device for quickly disassembling; This crown saw has bolt apertures, sealing surface and pivoted hole; This longitudinal main body has drive end, tool ends end and limiting section, and this device for quickly disassembling is locked in longitudinal main body with this limiting section and locking parts; This device for quickly disassembling comprises: locking component and align member, this locking component comprises the first element and the second element, first element is provided with group cover portion, the two ends of this group cover portion radial direction are provided with lockhole, this lockhole has inserted a positioning bead, this positioning bead is down suppressed by this second element axial displacement or is decontroled, and this align member riveting is provided with two bodies of rod.

As the preferred version of above-mentioned a kind of crown saw quick-disassembly structure, wherein this group cover portion is provided with axis hole.

As the preferred version of above-mentioned a kind of crown saw quick-disassembly structure, wherein this first element is provided with spiro union portion, the first trepanning and locating hole.

As the preferred version of above-mentioned a kind of crown saw quick-disassembly structure, wherein this spiro union portion is bolted in the bolt apertures of this crown saw.

As the preferred version of above-mentioned a kind of crown saw quick-disassembly structure, wherein this second element is provided with the first centre bore, the second trepanning and first is bored a hole, and one end external diameter of this first centre bore is provided with the oblique portion of arc.

As the preferred version of above-mentioned a kind of crown saw quick-disassembly structure, wherein this align member is provided with the second centre bore, accommodating hole and mortise.

As the preferred version of above-mentioned a kind of crown saw quick-disassembly structure, wherein this accommodating hole has the first opening and the second opening, and the internal diameter of this second opening is less than the internal diameter of this first opening.

As the preferred version of above-mentioned a kind of crown saw quick-disassembly structure, wherein one end of this mortise is closed, and the other end is opening.

As the preferred version of above-mentioned a kind of crown saw quick-disassembly structure, wherein one end of this body of rod is provided with group connecting part, and the internal diameter that the external diameter of this group connecting part meets this mortise is wide, and riveting is established and is fixed on this mortise.

As the preferred version of above-mentioned a kind of crown saw quick-disassembly structure, wherein the accommodating hole of this align member wears an operating bar, one end of this operating bar is expansion section, the other end is provided with location division, inserted by the first opening of the accommodating hole of this align member after this operating bar wears a spring, and again through the locating hole being fixed by caulking to this first element after the first perforation of this second element after passing the second opening of this accommodating hole; The group cover portion of this first element wore the first centre bore of this second element.

As the preferred version of above-mentioned a kind of crown saw quick-disassembly structure, wherein this body of rod wears the first trepanning of this first element and the second trepanning of this second element, and through the pivoted hole placed after this second trepanning into this crown saw.

As the preferred version of above-mentioned a kind of crown saw quick-disassembly structure, wherein this longitudinal main body is drill bit footstalk.

As the preferred version of above-mentioned a kind of crown saw quick-disassembly structure, wherein this longitudinal main body is cutter, annular saw, brill, polishing disk or polishing mould layer, brush, borer or milling tool.

In order to reach above-mentioned object, the utility model provides another kind of crown saw quick-disassembly structure, and it comprises: crown saw, longitudinal main body and device for quickly disassembling; This crown saw has bolt apertures, sealing surface and pivoted hole; This longitudinal main body has drive end, tool ends end and limiting section, and this device for quickly disassembling is locked in longitudinal main body with this limiting section and locking parts; This device for quickly disassembling comprises: locking component and align member, and this locking component is the first element, and this first element is provided with axis hole, group cover portion, spiro union portion, the first trepanning and locating hole; The two ends of this group cover portion radial direction are provided with lockhole, have inserted a positioning bead in this lockhole; This align member is provided with the second centre bore, accommodating hole, mortise and two bodies of rod.

As the preferred version of above-mentioned another kind of crown saw quick-disassembly structure, wherein this accommodating hole has the first opening and the second opening, the internal diameter of this second opening is wide, and to be less than the internal diameter of this first opening wide, and the internal diameter of this first opening wide be the length extending this accommodating hole, and the end convergent of this accommodating hole forms internal diameter is second opening on inclined-plane.

As the preferred version of above-mentioned another kind of crown saw quick-disassembly structure, wherein one end of this mortise is closed, the other end is opening, one end reduced diameter of this body of rod is group connecting part, the aperture of this mortise meets the external diameter of the group connecting part of this body of rod, and the group connecting part of this body of rod and this mortise are that the mode of riveting is connected and fixed.

As the preferred version of above-mentioned another kind of crown saw quick-disassembly structure, wherein the accommodating hole of this align member is coated with an operating bar, and one end of this operating bar is expansion section, and the other end is provided with location division.

As the preferred version of above-mentioned another kind of crown saw quick-disassembly structure, wherein this operating bar wears a spring, and inserted by the first opening of this accommodating hole, and the locating hole of this first element after passing the second opening of this accommodating hole, is fixed on riveting method, this expansion section is then arranged in the inclined-plane of this second opening inside diameter.

As the preferred version of above-mentioned another kind of crown saw quick-disassembly structure, wherein the group cover portion of this first element wore the second centre bore of this align member; The axis hole of this first element is located at this group cover portion axis and extends through toward spiro union portion.

As the preferred version of above-mentioned another kind of crown saw quick-disassembly structure, wherein this axis hole is hexagon ring.

As the preferred version of above-mentioned another kind of crown saw quick-disassembly structure, wherein the external diameter in this group cover portion is less than this second centre bore.

As the preferred version of above-mentioned another kind of crown saw quick-disassembly structure, wherein this spiro union portion is spirally connected and is locked in the bolt apertures of this crown saw.

Crown saw quick-disassembly structure provided by the utility model, it can alleviate force and by longitudinal body lock or unclamp; It can be less part easily assemble and reach quick detach and the object having security concurrently; Can easy manipulation when it uses, and longitudinal main body can be unclamped can slide on device for quickly disassembling.

Accompanying drawing explanation

Fig. 1 is the exploded perspective view of the utility model crown saw device for quickly disassembling and longitudinal main body;

Fig. 2 is the exploded perspective view of the utility model device for quickly disassembling first embodiment;

Fig. 3 is the exploded perspective view of the utility model device for quickly disassembling second embodiment;

Fig. 4 is the sectional view of the utility model first embodiment;

Fig. 5 is the quick detach schematic sectional view of the utility model first embodiment device for quickly disassembling and longitudinal main body;

Fig. 6 is the locking schematic sectional view of the utility model first embodiment device for quickly disassembling and longitudinal main body;

Fig. 7 is the quick detach schematic sectional view of the utility model first embodiment device for quickly disassembling and crown saw;

Fig. 8 is the location schematic sectional view of the utility model first embodiment device for quickly disassembling and crown saw;

Fig. 9 is the quick detach schematic sectional view of the utility model second embodiment device for quickly disassembling and longitudinal main body;

Figure 10 is the locking schematic sectional view of the utility model second embodiment device for quickly disassembling and longitudinal main body;

Figure 11 is the quick detach schematic sectional view of the utility model the 3rd embodiment device for quickly disassembling and crown saw;

Figure 12 is the location schematic sectional view of the utility model the 4th embodiment device for quickly disassembling and crown saw.

[main element symbol description]

Crown saw-1; Sealing surface-11; Bolt apertures-111; Pivoted hole-12a; Pivoted hole-12b; Pivoted hole-12c; Pivoted hole-12d;

Longitudinal main body-2; Limiting section-21; Tool ends end-22; Drive end-23;

Device for quickly disassembling-3; Locking parts-3 '; Align member-31; First end face-311a; Second end face-311b; Accommodating hole-312a; Accommodating hole-312b; Second centre bore-313; Mortise-314a; Mortise-314b; First opening-3121a; First opening-3121b; Second opening-3122a; Second opening-3122b; Stopper-3131; The body of rod-32a; The body of rod-32b; Group connecting part-321a; Group connecting part-321b; First element-33; Locating hole-331a; Locating hole-331b; First trepanning-332a; First trepanning-332b; Lockhole-333a; Lockhole-333b; Group cover portion-334; Axis hole-335; Spiro union portion-336; Second element-34; First perforation-341a; First perforation-341b; Second trepanning-342a; Second trepanning-342b; First centre bore-343; The oblique portion-344 of arc;

Operating bar-5a; Operating bar-5b; Expansion section-51a; Expansion section-51b; Location division-52a; Location division-52b;

Spring-61a; Spring-61b;

Flexible member-7;

Positioning bead-8a; Positioning bead-8b.

Detailed description of the invention

About detailed description of the present utility model and technology contents, coordinate accompanying drawing to be described as follows, but accompanying drawing only provides with reference to the use with explanation, and be not used to limit the utility model.

First, respect please refer to the first embodiment such as shown in Fig. 1 to Fig. 8, the utility model crown saw quick-disassembly structure comprises: crown saw 1, longitudinal main body 2 and device for quickly disassembling 3; This crown saw 1 has bolt apertures 111, sealing surface 11 and pivoted hole 12a, 12b, 12c, 12d, described pivoted hole 12a, 12b, 12c, 12d stagger with cross and are located at symmetrically between two on sealing surface 11, and this bolt apertures 111 is located at the shaft core position of sealing surface 11; And described longitudinal main body 2 is drill bit footstalk, and it includes drive end 23, working end 22 and limiting section 21, longitudinal main body 2 can lock to lock parts 3 ' for device for quickly disassembling 3 by this limiting section 21;

It is characterized in that: for assembling the device for quickly disassembling 3 of described longitudinal main body 2 and crown saw 1, it comprises: locking component 3 ' and align member 31, described locking component 3 ' comprises the first element 33 and the second element 34, first element 33 is provided with axis hole 335, organizes cover portion 334, spiro union portion 336, first trepanning 332a, 332b and locating hole 331a, 331b; And, described second element 34 be one can before and after the latch-up structure of axial displacement, it is provided with first centre bore 343, second trepanning 342a, 342b and first and bores a hole 341a, 341b, and wherein, one end external diameter of the first centre bore 343 is provided with the oblique portion 344 of arc;

Described align member 31 has the first end face 311a and the second end face 311b, the second centre bore 313 is equipped with to the second end face 311b by the first end face 311a, accommodating hole 312a, 312b and mortise 314a, 314b, mortise 314a is provided with at the second described end face 311b, 314b, for body of rod 32a, the group connecting part 321a of 32b, mortise 314a is located in 321b riveting, 314b, this accommodating hole 312a, 312b has the first opening 3121a, 3121b and the second opening 3122a, 3122b, second opening 3122a, the internal diameter of 3122b is wide is less than the first opening 3121a, 3121b internal diameter is wide, and the first opening 3121a, the internal diameter of 3121b is wide is extend accommodating hole 312a, one length of 312b, and accommodating hole 312a, the end convergent of 312b forms the second opening 3122a that internal diameter is inclined-plane, 3122b, and, as shown in Figure 7, one end of this mortise 314a, 314b is closed, the other end is opening, one end external diameter of this body of rod 32a, 32b is slightly reduced into group connecting part 321a, 321b, the aperture of mortise 314a, 314b meets the external diameter of group connecting part 321a, 321b of the body of rod just, is connected and fixed so group connecting part 321a, 321b of the body of rod 32a, 32b and mortise 314a, 314b are (tenon and mortise joint) modes of riveting,

The accommodating hole 312a of described align member 31, 312b can for wearing an operating bar 5a, 5b, this operating bar 5a, one end of 5b is expansion section 51a, 51b, the other end is provided with location division 52a, 52b, operating bar 5a, 5b wears a spring 61a, after 61b, it is by location division 52a, 52b is by accommodating hole 312a, the first opening 3121a of 312b, 3121b inserts, and pass the second opening 3122a, after 3122b, again through the first perforation 341a of the second element 34, be fixed on the locating hole 331a of the first element 33 with riveting method (tenon and mortise joint) after 341b, 331b, its expansion section 51a, 51b is then arranged in the second opening 3122a, the inclined-plane of the internal diameter of 3122b, and first the group cover portion 334 of element 33 wore the first centre bore 343 of the second element 34 and the second centre bore 313 of align member 31 simultaneously,

The axis hole 335 of described first element 33 is located at group cover portion 334 axis and extends through toward spiro union portion 336, and this axis hole 335 is hexagon ring; And the two ends of this group cover portion 334 radial direction are provided with lockhole 333a, 333b, this lockhole 333a, 333b insert for positioning bead 8a, a 8b, and the external diameter in group cover portion 334 is slightly less than the external diameter of the first centre bore 343 and the second centre bore 313; In addition, group cover portion 334 penetrates after the first centre bore 343 of the second element 34, wear the second centre bore 313 that a flexible member 7 is placed through align member 31 again, and be limited in the second centre bore 313 of align member 31 by the stopper 3131 that the internal diameter of the second centre bore 313 is preset.

This spiro union portion 336 is for being bolted in the bolt apertures 111 of crown saw 1 for locking, the described body of rod 32a, 32b wore first trepanning 332a, 332b of the first element 33 and second trepanning 342a, 342b of the second element 34, and placing into arbitrary group of crown saw 1 symmetrical pivoted hole 12a, 12b, 12c, 12d through can be used for after second trepanning 342a, 342b, whereby with prevent device for quickly disassembling 3 because of crown saw 1 carry out radial rotary start time, and unclamp the safe positioning structure in crown saw 1.

Continue, the longitudinal main body 2 of the utility model and the locking of device for quickly disassembling 3 and the mode of operation of quick detach are as Fig. 5, shown in Fig. 6, described longitudinal main body 2 can at the axis hole 335 of the first element 33 of device for quickly disassembling 3 to move axially, and the element locking longitudinal main body 2 is the lockhole 333a being located at the first element 33, positioning bead 8a in 333b, 8b, by the second element 34 axial displacement backward, is penetrated longitudinal main body 2 by axis hole 335, until its limiting section 21 arrives lockhole 333a, 333b place, now decontrols the second element 34 and allows operating bar 5a, the spring 61a that 5b wears, second element 34 resets by 61b, and pushes against positioning bead 8a by the oblique portion 344 of its arc simultaneously, 8b, by lockhole 333a, 333b toward the limiting section 21 being pushed down into longitudinal main body 2, and passes through operating bar 5a, 5b is by spring 61a, the strength that 61b pushes forward, and make the second element 34 be kept to abut against with the first elements into intimate, thus make the bottom, arc oblique portion 344 of the second element 34 be tightly suppressed positioning bead 8a, 8b, now positioning bead 8a, 8b has the area of part to be protrude from lockhole 333a, the lower end of 333b and can stopper in the limiting section 21 of longitudinal main body 2, so longitudinal main body 2 is locked in device for quickly disassembling 3,

By the mode that longitudinal main body 2 separates device for quickly disassembling 3 be: by the second element 34 displacement backward, positioning bead 8a, 8b of the limiting section 21 down embedding longitudinal main body 2 is made to depart from the compacting of the second element 34, such positioning bead 8a, 8b are released limiting section 21 by the outer footstalk surface of the limiting section 21 of longitudinal main body 2 on the contrary, and up move back in lockhole 333a, 333b, now positioning bead 8a, 8b has area to be protrude to expose to outside lockhole 333a, 333b, positioning bead 8a, 8b leaves limiting section 21 whereby, so longitudinal main body 2 is departed from device for quickly disassembling 3;

And, described operating bar 5a, 5b is as the resetting means of the second element 34 with align member 31 axial displacement, due to operating bar 5a, 5b is inserted in spring 61a, by its expansion section 51a after 61b, 51b is by spring 61a, one end of 61b is limited, and prevents spring from deviating from operating bar 5a whereby, 5b, then cover is had spring 61a, the operating bar 5a of 61b, 5b is inserted in accommodating hole 312a, 312b, and when the second element 34 of operational lock mechanism 3 ' is axially to move forward and backward switching, align member 31 is passed simultaneously backward, in other words, now operating bar 5a, 5b is at the accommodating hole 312a of align member 31, inside contract with portion in 312b or reset, due to operating bar 5a, the expansion section 51a of 5b, 51b is arranged in accommodating hole 312a, 312b and the second opening 3122a, in 3122b, therefore operating bar 5a, 5b can not fully depart from accommodating hole 312a, 312b, again, operating bar 5a, 5b is in being arranged at the lockhole 333a organizing cover portion 334 abreast with group cover portion 334, the relative position of 333b, enters and operating bar 5a, spacing upper and lower between 5b and group cover portion 334 is wide is be less than positioning bead 8a, the external diameter of 8b is wide, whereby operating bar 5a, 5b blocks positioning bead 8a just, 8b, makes positioning bead 8a, 8b can not fully depart from lockhole 333a, 333b, that is positioning bead 8a, 8b is restricted to lockhole 333a, 333b place, is worth supplementary notes, positioning bead 8a, the maximum outside diameter of 8b must be greater than lockhole 333a, the bottom diameter of 333b, whereby positioning bead 8a, 8b just can not from lockhole 333a, 333b lower end departs from away.

The location of device for quickly disassembling 3 and crown saw 1 and quick detach mode of operation, be as illustrated in figs. 7 and 8:

First be that device for quickly disassembling 3 is located with the assembling of crown saw 1, the align member 31 of device for quickly disassembling 3 moved toward post-tensioning and temporarily keeps location, cause body of rod 32a, 32b is able to retire simultaneously backward, second element 34 props up by the flexible member 7 be now located between align member 31 and the second element 34, to avoid the second element 34 and setting element 31 simultaneously toward backward shift, continue, again spiro union portion 336 is bolted in the screw 111 of crown saw 1, until the body of rod 32a of device for quickly disassembling 3, pivoted hole 12a on the sealing surface 11 of 32b aligning crown saw 1, 12b, 12c, 12d, wherein aims at pivoted hole 12a, 12b, 12c, after the holes of 12d symmetry, then it is made to reset align member 31 relieving, body of rod 32a while relative, 32b also resets, by body of rod 32a, 32b resets and protrudes out the pivoted hole 12a penetrating crown saw 1, 12b, 12c, the holes that 12d is wherein symmetrical, for device for quickly disassembling 3 with body of rod 32a, 32b is arranged in the pivoted hole 12a of crown saw 1, 12b, 12c, after 12d, the location object of crown saw 1 because unclamping when driving and rotate can be avoided,

And, device for quickly disassembling 3 operates with the quick detach of crown saw 1: moved toward post-tensioning by the align member 31 of device for quickly disassembling 3 and temporarily locate with hand system, make the body of rod 32a, 32b be retired simultaneously backward, after making it depart from the holes of pivoted hole 12a, 12b, 12c, 12d symmetry of crown saw 1, spiro union portion 336 is rotated the screw 111 unclamped in crown saw 1, being decontroled by the align member 31 of compacting makes it reset again, and the relative body of rod 32a, 32b also resets simultaneously, and device for quickly disassembling 3 departs from crown saw 1.

Continue, if Fig. 9-Figure 12 is the second embodiment of the present utility model, device for quickly disassembling 3 it comprise: locking component 3 ' and align member 31, described locking component 3 ' is that the first element 33, the first element 33 is provided with axis hole 335, group cover portion 334, spiro union portion 336, first trepanning 332a, 332b and locating hole 331a, 331b, described align member 31 is provided with the second centre bore 313, accommodating hole 312a, 312b, mortise 314a, 314b and two bodies of rod 32a, 32b, this accommodating hole 312a, 312b have first opening 3121a, 3121b and second opening 3122a, 3122b, the internal diameter of second opening 3122a, 3122b is wide, and to be less than the internal diameter of first opening 3121a, 3121b wide, and the footpath of first opening 3121a, 3121b wide extend accommodating hole 312a, 312b mono-segment length to its end convergent form second opening 3122a, 3122b that internal diameter is inclined-plane, this mortise 314a, one end of 314b is closed, and the other end is opening, this body of rod 32a, one end external diameter of 32b is slightly reduced into group connecting part 321a, 321b, mortise 314a, the aperture of 314b meets body of rod 32a just, the group connecting part 321a of 32b, the external diameter of 321b, so body of rod 32a, the group connecting part 321a of 32b, 321b and mortise 314a, 314b is that the mode of riveting (tenon and mortise joint) is connected and fixed, the accommodating hole 312a of described align member 31, 312b can for wearing an operating bar 5a, 5b, this operating bar 5a, one end of 5b is expansion section 51a, 51b, the other end is provided with location division 52a, 52b, operating bar 5a, 5b wears a spring 61a, after 61b, it is by location division 52a, 52b is by accommodating hole 312a, the first opening 3121a of 312b, 3121b inserts, and passes the second opening 3122a, be fixed on the locating hole 331a of the first element 33 with riveting method (tenon and mortise joint) after 3122b, 331b, its expansion section 51a, 51b is then arranged in the second opening 3122a, the inclined-plane of 3122b internal diameter, and first the group cover portion 334 of element 33 wore the second centre bore 313 of align member 31, and first the axis hole 335 of element 33 be located at group cover portion 334 and axially extend through toward spiro union portion 336, this axis hole 335 is hexagon ring, and the two ends of this group cover portion 334 radial direction are provided with lockhole 333a, 333b, this lockhole 333a, 333b insert for positioning bead 8a, a 8b, and this group cover portion 334 external diameter is slightly less than the first centre bore 343 and the second centre bore 313, and this spiro union portion 336 is for being bolted in the bolt apertures 111 of crown saw 1 for locking.

And, the described body of rod 32a, 32b wore the first element 33 first trepanning 332a, 332b and through can for placing into the symmetrical hole of pivoted hole 12a, 12b, 12c, 12d arbitrary group of crown saw 1 after second trepanning 342a, 342b, whereby to prevent device for quickly disassembling 3 because unclamping the safe positioning structure in crown saw 1 when crown saw 1 carries out radial rotary start;

The second longitudinal main body 2 implementing structure locks the mode of operation with quick detach with device for quickly disassembling 3: described longitudinal main body 2 can at the axis hole 335 of the first element 33 of device for quickly disassembling 3 to move axially, and the element locking longitudinal main body 2 is be located at the first element 33 lockhole 333a, positioning bead 8a in 333b, 8b, by align member 31 axial displacement backward, as Fig. 9, shown in Figure 10, longitudinal main body 2 is penetrated by axis hole 335, until its limiting section 21 arrives lockhole 333a, 333b place, now decontrols align member 31 and allows operating bar 5a, the spring 61a that 5b wears, align member 31 resets by 61b, and pushes against positioning bead 8a by the oblique portion 344 of its arc simultaneously, 8b, by lockhole 333a, 333b toward the limiting section 21 being pushed down into longitudinal main body 2, and passes through operating bar 5a, 5b is by spring 61a, the strength that 61b pushes forward, and make fixed component 31 be kept closely to abut against with the first element 33, thus make the oblique cambered surface bottom of fixed component 31 be tightly suppressed positioning bead 8a, 8b, now positioning bead 8a, 8b about have the area of half be stopper in limiting section 21, so longitudinal main body 2 is locked in device for quickly disassembling 3, and the mode of longitudinal main body 2 being separated device for quickly disassembling 3 is: by align member 31 displacement backward, positioning bead 8a, 8b of the limiting section 21 down embedding longitudinal main body 2 is made to depart from the compacting of align member 31, such positioning bead 8a, 8b are then released limiting section 21 by the outer footstalk surface of the limiting section 21 of longitudinal main body 2 on the contrary and up move back to lockhole 333a, 333b, now positioning bead 8a, 8b has area to be protrude from outside lockhole 333a, 333b, and positioning bead 8a, 8b leaves limiting section 21 so longitudinal main body 2 is departed from device for quickly disassembling 3 whereby,

And, described operating bar 5a, 5b is the resetting means as align member 31 displacement, due to operating bar 5a, 5b is inserted in spring 61a, by its expansion section 51a after 61b, 51b is by spring 61a, one end of 61b is limited, and prevents spring 61a whereby, 61b deviates from operating bar 5a, 5b, then cover is had spring 61a, the operating bar 5a of 61b, 5b is inserted in accommodating hole 312a, 312b, and pass with axial at the align member 31 of operational lock mechanism 3 ', in other words, now operating bar 5a, backward 5b is at the accommodating hole 312a of align member 31, inside contract with portion in 312b or reset, due to operating bar 5a, the expansion section 51a of 5b, 51b is stuck in accommodating hole 312a, the second opening 3122a of 312b, in 3122b, therefore operating bar 5a, 5b can not fully depart from accommodating hole 312a, 312b, again, operating bar 5a, 5b and group cover portion 334 organize cover portion 334 lockhole 333a in being arranged at abreast, the relative position of 333b, and operating bar 5a, spacing upper and lower between 5b and group cover portion 334 is wide is be less than positioning bead 8a, the external diameter of 8b is wide, whereby operating bar 5a, 5b blocks positioning bead 8a just, 8b, makes positioning bead 8a, 8b can not fully depart from lockhole 333a, 333b, that is positioning bead 8a, 8b is restricted to lockhole 333a, 333b place.

Second implements the device for quickly disassembling 3 of structure operates with the location of crown saw 1 and quick detach, position is as shown in figure 11 device for quickly disassembling 3 and the positioning states enforcement figure of crown saw 1, first be that device for quickly disassembling 3 is located with the assembling of crown saw 1, the align member 31 of device for quickly disassembling 3 is moved toward post-tensioning and temporarily keeps location, to making body of rod 32a, 32b is able to retire simultaneously backward, continues, then spiro union portion 336 is bolted in the screw 111 of crown saw 1, until the body of rod 32a of device for quickly disassembling 3, 32b aims at the pivoted hole 12a on the sealing surface 11 of crown saw 1, 12b, 12c, 12d, wherein, aims at pivoted hole 12a, 12b, 12c, after the holes of 12d symmetry, then it is made to reset align member 31 relieving, simultaneously relative body of rod 32a, 32b also resets, by body of rod 32a, 32b resets and protrudes out the pivoted hole 12a penetrating crown saw 1, 12b, 12c, the holes that 12d is wherein symmetrical, for device for quickly disassembling 3 with body of rod 32a, 32b is through at the pivoted hole 12a of crown saw 1, 12b, 12c, after 12d, the location object of crown saw 1 because unclamping when driving and rotate can be avoided,

And, device for quickly disassembling 3 operates with the quick detach of crown saw 1: moved toward post-tensioning by the align member 31 of device for quickly disassembling 3 and temporarily locate with hand system, make the body of rod 32a, 32b be retired simultaneously backward, after making it depart from the holes of pivoted hole 12a, 12b, 12c, 12d symmetry, again spiro union portion 336 is rotated the screw 111 unclamped in crown saw 1, being decontroled by the align member 31 of compacting makes it reset again, while relative, the body of rod 32a, 32b also reset, device for quickly disassembling 3 departs from crown saw 1, and the state as Figure 12 is device for quickly disassembling 3 and the quick detach state enforcement figure of crown saw 1.

Above, the cross section of described device for quickly disassembling 3 and corresponding outer shape can be circle, ellipse or are polygon (such as hexagonal or square).

The assemblnig longitudinal main body 2 of device for quickly disassembling 3 is except drill bit footstalk, and also having other instrument, such as, is cutter, annular saw, brill, polishing disk or polishing mould layer, brush, borer, milling tool or similar means, to produce multipurpose tool transposing systems.

The above; be only preferred embodiment of the present utility model; and be not used to limit scope of patent protection of the present utility model, the equivalent structure change etc. of such as using the utility model patent spirit to do, is all in like manner contained in scope of patent protection of the present utility model.

Claims (22)

1. a crown saw quick-disassembly structure, it comprises: crown saw, longitudinal main body and device for quickly disassembling; This crown saw has bolt apertures, sealing surface and pivoted hole; This longitudinal main body has drive end, tool ends end and limiting section, and this device for quickly disassembling is locked in longitudinal main body with this limiting section and locking parts;

It is characterized in that, this device for quickly disassembling comprises: locking component and align member, this locking component comprises the first element and the second element, first element is provided with group cover portion, the two ends of this group cover portion radial direction are provided with lockhole, this lockhole has inserted a positioning bead, and this positioning bead is down suppressed by this second element axial displacement or decontroled, and this align member riveting is provided with two bodies of rod.

2. crown saw quick-disassembly structure as claimed in claim 1, it is characterized in that, this group cover portion is provided with axis hole.

3. crown saw quick-disassembly structure as claimed in claim 1, it is characterized in that, this first element is provided with spiro union portion, the first trepanning and locating hole.

4. crown saw quick-disassembly structure as claimed in claim 3, it is characterized in that, this spiro union portion is bolted in the bolt apertures of this crown saw.

5. crown saw quick-disassembly structure as claimed in claim 1, it is characterized in that, this second element is provided with the first centre bore, the second trepanning and first is bored a hole, and one end external diameter of this first centre bore is provided with the oblique portion of arc.

6. crown saw quick-disassembly structure as claimed in claim 1, it is characterized in that, this align member is provided with the second centre bore, accommodating hole and mortise.

7. crown saw quick-disassembly structure as claimed in claim 6, it is characterized in that, this accommodating hole has the first opening and the second opening, and the internal diameter of this second opening is less than the internal diameter of this first opening.

8. crown saw quick-disassembly structure as claimed in claim 6, it is characterized in that, one end of this mortise is closed, and the other end is opening.

9. crown saw quick-disassembly structure as claimed in claim 6, it is characterized in that, one end of this body of rod is provided with group connecting part, and the internal diameter that the external diameter of this group connecting part meets this mortise is wide, and riveting is established and is fixed on this mortise.

10. crown saw quick-disassembly structure as claimed in claim 1, it is characterized in that, the accommodating hole of this align member wears an operating bar, one end of this operating bar is expansion section, the other end is provided with location division, inserted by the first opening of the accommodating hole of this align member after this operating bar wears a spring, and again through the locating hole being fixed by caulking to this first element after the first perforation of this second element after passing the second opening of this accommodating hole; The group cover portion of this first element wore the first centre bore of this second element.

11. crown saw quick-disassembly structures as claimed in claim 1, is characterized in that, this body of rod wears the first trepanning of this first element and the second trepanning of this second element, and through the pivoted hole placed after this second trepanning into this crown saw.

12. crown saw quick-disassembly structures as claimed in claim 1, it is characterized in that, this longitudinal main body is drill bit footstalk.

13. crown saw quick-disassembly structures as claimed in claim 1, it is characterized in that, this longitudinal main body is cutter, annular saw, brill, polishing disk or polishing mould layer, brush, borer or milling tool.

14. 1 kinds of crown saw quick-disassembly structures, it comprises: crown saw, longitudinal main body and device for quickly disassembling; This crown saw has bolt apertures, sealing surface and pivoted hole; This longitudinal main body has drive end, tool ends end and limiting section, and this device for quickly disassembling is locked in longitudinal main body with this limiting section and locking parts;

It is characterized in that, this device for quickly disassembling comprises: locking component and align member, and this locking component is the first element, and this first element is provided with axis hole, group cover portion, spiro union portion, the first trepanning and locating hole; The two ends of this group cover portion radial direction are provided with lockhole, have inserted a positioning bead in this lockhole; This align member is provided with the second centre bore, accommodating hole, mortise and two bodies of rod.

15. crown saw quick-disassembly structures as claimed in claim 14, it is characterized in that, this accommodating hole has the first opening and the second opening, the internal diameter of this second opening is wide, and to be less than the internal diameter of this first opening wide, and the internal diameter of this first opening wide be the length extending this accommodating hole, and the end convergent of this accommodating hole forms internal diameter is second opening on inclined-plane.

16. crown saw quick-disassembly structures as claimed in claim 14, it is characterized in that, one end of this mortise is closed, the other end is opening, one end reduced diameter of this body of rod is group connecting part, the aperture of this mortise meets the external diameter of the group connecting part of this body of rod, and the group connecting part of this body of rod and this mortise are that the mode of riveting is connected and fixed.

17. crown saw quick-disassembly structures as claimed in claim 14, it is characterized in that, the accommodating hole of this align member is coated with an operating bar, and one end of this operating bar is expansion section, and the other end is provided with location division.

18. crown saw quick-disassembly structures as claimed in claim 17, it is characterized in that, this operating bar wears a spring, and inserted by the first opening of this accommodating hole, and the locating hole of this first element after passing the second opening of this accommodating hole, is fixed on riveting method, this expansion section is then arranged in the inclined-plane of this second opening inside diameter.

19. crown saw quick-disassembly structures as claimed in claim 14, is characterized in that, the group cover portion of this first element wore the second centre bore of this align member; The axis hole of this first element is located at this group cover portion axis and extends through toward spiro union portion.

20. crown saw quick-disassembly structures as claimed in claim 19, it is characterized in that, this axis hole is hexagon ring.

21. crown saw quick-disassembly structures as claimed in claim 14, is characterized in that, the external diameter in this group cover portion is less than this second centre bore.

22. crown saw quick-disassembly structures as claimed in claim 14, it is characterized in that, this spiro union portion is spirally connected and is locked in the bolt apertures of this crown saw.