CN206154243U - Quick change multifunctional sawing returns stop gear - Google Patents
Quick change multifunctional sawing returns stop gear Download PDFInfo
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- CN206154243U CN206154243U CN201621078900.9U CN201621078900U CN206154243U CN 206154243 U CN206154243 U CN 206154243U CN 201621078900 U CN201621078900 U CN 201621078900U CN 206154243 U CN206154243 U CN 206154243U
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- quick change
- head capsule
- limited block
- stopper slot
- knife rest
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Abstract
The utility model relates to a quick change multifunctional sawing returns stop gear has solved traditional multifunctional sawing saw bit and has changed loaded down with trivial details problem, belongs to mechanical equipment technical field, quick change multifunctional sawing front end be equipped with the head capsule, the head capsule bottom is equipped with the knife rest, the stop gear that returns include that the quick change pulls knot, stopper, cylindric lock and torsional spring, the quick change pull and detain with head capsule top one side articulatedly, head capsule upper portion is equipped with the spacing groove, the quick change is pulled and is detained the whole spacing groove top that is located, the stopper passes through the cylindric lock and articulates at limiting groove, and the torsional spring overlaps in the cylindric lock outer lane, and torsional spring one end acts on the spacing groove, and the torsional spring other end acts on the stopper, the one end that the cylindric lock was kept away from to the stopper is equipped with the handle that resets, the utility model relates to a quick change multifunctional sawing structure only needs to pull the change that the collet chuck diameter just can be realized to the knot through stirring the quick change to realize dismantling and changing the mesh of saw bit.
Description
Technical field
The utility model belongs to mechanical equipment technical field, is related to a kind of return position-limit mechanism of quick change multifunctional saw.
Background technology
Multi-purpose tool can clamping woodworking saw blade, metal saw blade and triangle emery disc etc..Clamping woodworking saw blade or metal saw blade
Can carry out cutting processing on the metal material such as plank or aluminium alloy, triangle emery disc be stained with sand paper can plank, plasterboard or
Sand milling, polishing are carried out on metope.
To accelerate the speed that multi-purpose tool changes saw blade, the utility model patentee's earlier application has entitled " many
Chinese patent (the publication number of function saw quick change construction "：CN205551644U), it discloses a kind of many work(for being convenient for changing saw blade
Quick change construction can be sawed, it includes head capsule, output device and fast replacing device, described output device is located in head capsule, output device
Including fork, output shaft, deep groove ball bearing, needle bearing, deep groove ball bearing is fixed on output shaft top outer by jump ring, pulls out
Fork is located at output shaft middle part outside, and output shaft bottom outside is provided with needle bearing, and fast replacing device pulls button 1, partially including quick change
Heart block, motion bar, collet, swelling bar, compression spring, quick change is pulled button and eccentric block and is connected with head capsule top by straight pin
Connect, motion bar is located in output shaft, with eccentric block against being connected, bottom is threadedly coupled with swelling bar, swelling bar outer sheath at top
There is a collet, collet outside is cased with compression spring, described knife rest is located at output shaft bottom, knife rest inwall is provided with from upper
To the lower inside gradient, the outer surface of corresponding collet is provided with projection, and the bottom of head capsule is provided with knife rest.This structure is only
The change that button can be achieved with collet diameter need to be pulled by stirring quick change, so as to realize dismantling and change the purpose of saw blade.
But during the multifunctional saw quick change construction use that formerly patent is related to, quick change pull be buckled in return to original position when
Wait, do not design position limiting structure, quick change is pulled during button is returned directly to original position, easily gets to user's finger, causes finger to be received
Wound.Secondly, during installation or more allowing blade replacement, blade needs artificially to hold blade before being fixed on knife rest, gives operation band
Inconvenience is carried out.This problem is also most quick change multifunctional saw common problems in the market.
Utility model content
To overcome drawbacks described above, product use feeling is improved, improve Product Safety and prevent user injured, this practicality is new
Type devises a kind of return position-limit mechanism of quick change multifunctional saw.
For the attainment of one's purpose, the technical scheme of the utility model offer is：
A kind of return position-limit mechanism of quick change multifunctional saw, described quick change multifunctional saw front end is provided with head capsule, head capsule bottom
Portion is provided with knife rest, and described return position-limit mechanism pulls button, limited block, straight pin and torsion spring including quick change, and described quick change pulls button
It is hinged with head capsule top side, head capsule top is provided with stopper slot, quick change pulls button and is integrally located at stopper slot top；Limited block is by circle
Pin is hinged in stopper slot, and in straight pin outer ring, one end acts on stopper slot to torsion spring set, and the torsion spring other end acts on limit
Position block；Limited block is provided with reseting handle away from one end of straight pin.
Preferably, the knife rest bottom is additionally provided with magnet steel, and the quantity of magnet steel is 3～5, and magnet steel is with knife rest axle center as the center of circle
Circumferentially it is evenly distributed on knife rest bottom surface.The quantity of magnet steel should not very little or excessively, when magnet steel may cause very little saw blade to be installed without
Method holds saw blade, due to the dismounting difficulty that suction causes greatly very much when magnet steel then can cause to dismantle saw blade too much, therefore the setting of magnet steel
Quantity is the most reasonable at 3～5.
Preferably, described limited block is integrated with reseting handle, is additionally provided with stopper slot and reseting handle position
Put corresponding handle standing groove.In the reset state, reseting handle is located in handle standing groove limited block.
Preferably, to be respectively provided on two sides with two positions with cylinder pin connection one end and stopper slot mutually right for described limited block
The straight pin installing hole answered.
The utility model returns the operation principle of position-limit mechanism：
(1) pull quick change counterclockwise and pull button, limited block follows quick change to pull button in the presence of torsion spring and rotates, limited block away from
Straight pin one end is upturned to reseting handle and is stuck in two wall upper surfaces of stopper slot, and now, limited block is away from straight pin
The height of one end is higher than head capsule overhead height；
(2) continue to pull quick change after limited block stops operating and pull button so as to be rotated further, until the fixing device of knife rest expires
Till foot installs saw blade requirement；
(3) saw blade is mounted on knife rest, saw blade is temporarily fixed on knife rest；
(4) saw blade is locked：Quick change being pulled clockwise and pulling button, quick change is pulled when button turns to limited block position and stopped operating, soon
Change the position pulled between button and head capsule top and form protection zone；
(5) limited block is returned to original position by the mode for manually pulling reseting handle, is pushed quick change and is pulled button and is returned to
Reset condition, buckles quick change and pulls button, and saw blade is locked completely.
In the step 3, when saw blade is temporarily fixed on knife rest, saw blade is held using magnet steel.Saw blade is held using magnet steel,
Gripping of the both hands to blade can be reduced, the both hands vacated can preferably operate return position-limit mechanism of the present utility model.
The technical scheme provided using the utility model, compared with prior art, is had the advantages that：
The return position-limit mechanism of the quick change multifunctional saw that the utility model is related to plays limit in quick change pulls button return course
Quick change processed pulls the effect for button moment returning to original position, plays a part of to protect user's personal safety, revocation protection to need user actively to remove
Pin, can just return to original position；Simultaneously this structural defence start-up course is active starting protection, and protection revocation process needs user to remove
All function is can be achieved with during pin, whole starting protection and revocation protection without instrument.Due in revocation protection process
In, need user to cancel manually, so increased magnet steel on knife rest, for sucking saw blade, gripping of the both hands to blade is reduced, vacate
Both hands can preferably operate structure of the present utility model.
Description of the drawings
Fig. 1 is the return position-limit mechanism exploded view of the utility model quick change multifunctional saw；
Fig. 2 is the utility model multifunctional saw quick change construction knife rest schematic bottom view；
Fig. 3 is the utility model saw blade quick change method step one schematic diagram；
Fig. 4 is the utility model saw blade quick change method step 2 schematic diagram；
Fig. 5 is the utility model saw blade quick change method step 3 schematic diagram；
Fig. 6 is the utility model saw blade quick change method step 4 schematic diagram；
Fig. 7 is the utility model saw blade quick change method step 5 schematic diagram；
Fig. 8 is the multifunctional saw quick change construction schematic diagram after the utility model saw blade is completed.
Mark explanation in schematic diagram：1 quick change pulls button, 2 head capsules, 3 limited blocks, 4 straight pins, 5 torsion springs, 6 magnet steel, and 7 is spacing
Groove, 8 knife rests, 9 reseting handles, 10 saw blades, 11 protection zones.
Specific embodiment
To further appreciate that content of the present utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments,
Following examples are used to illustrate the utility model, but are not limited to scope of the present utility model.
The return position-limit mechanism of the quick change multifunctional saw in the present embodiment is that previously disclosed patent is " multi-functional in applicant
Saw quick change construction " (application number：201620301489.0, publication number CN205551644U) on the basis of further improve obtained by
's.
With reference to shown in accompanying drawing 1, a kind of return position-limit mechanism of quick change multifunctional saw, described quick change multifunctional saw front end sets
There is head capsule 2, head capsule bottom is provided with knife rest 8, and described return position-limit mechanism is pulled button 1, limited block 3, straight pin 4 and turned round including quick change
Spring 5, described quick change is pulled button 1 and is hinged with the top side of head capsule 2, and the top of head capsule 2 is provided with stopper slot 7, and quick change is pulled button 1 and is integrally located at
The top of stopper slot 7；Limited block 3 is hinged in stopper slot 7 by straight pin 4, and torsion spring 5 is enclosed within the outer ring of straight pin 4, the one end of torsion spring 5
Stopper slot 7 is acted on, the other end of torsion spring 5 acts on limited block 3.The both sides of the stopper slot 7 at the top of head capsule are provided with two for pacifying
The straight pin installing hole of dress straight pin 4, wherein one end of corresponding limited block 3 also is provided with the straight pin installing hole of insertion,
When limited block is installed, torsion spring 5 is enclosed within into the outside of straight pin 4, then straight pin 4 is sequentially passed through into stopper slot both sides and limited block 3
On straight pin installing hole, limited block 3 is hinged in stopper slot, 5 two extensions of torsion spring are separately fixed under limited block 3
Surface and the bottom surface of stopper slot 7, in the case of abandoned, limited block 3 can in the presence of torsion spring 5 Automatic-expanding.Due to
Quick change is pulled and protection is cancelled in 1 return course of button needs user actively to cancel, and it can just return to original position, the present embodiment limited block 3 away from
Rotary shaft one end is provided with reseting handle 9, and the production integrated with limited block 3 of reseting handle 9 is provided with handle standing groove in stopper slot 7
(not marking in figure), is under reset state in limited block 3, and reseting handle 9 is located in handle standing groove；Limited block 3 is spacing
When under state, it is higher by the height of the top surface of head capsule 2 away from the height of straight pin one end, and the lower surface of reseting handle 9 is stuck in limit
The both sides of position groove 7, when quick change pulls the return of button 1, coordinate with limited block 3, pull in quick change and formed between button 1 and head capsule 2 protection zone 11.
With reference to shown in accompanying drawing 2, due to during revocation protection, needing user to cancel manually, so the utility model is in knife
The bottom surface of frame 8 increased 3 magnet steel 6, and magnet steel 6 is arranged in the bottom surface of knife rest 8 by center of circle even circumferential of knife rest axle center, for interim suction
Firmly saw blade 10, reduce gripping of the both hands to blade, and the both hands vacated can preferably operate structure of the present utility model.
The present embodiment quick change multifunctional saw return position-limit mechanism operation principle be：
Step one：With reference to shown in accompanying drawing 3, pull quick change counterclockwise in the direction of arrows and pull button 1, work of the limited block 3 in torsion spring 5
Follow quick change to pull button with to rotate, limited block 3 is upturned to reseting handle 9 away from straight pin one end and is stuck in the two of stopper slot 7
Side, now, limited block 3 is higher than head capsule overhead height away from the height of the one end of straight pin 4, and version is as shown in Figure 4.
Step 2：Now limited block 3 is stopped operating due to the restriction at the top of head capsule 2, and continuation is pulled counterclockwise quick change and pulls button
1 so as to which it is parallel with head capsule top surface to turn to entirety, now, the collet protrusion of knife rest bottom, and its diameter diminishes to saw blade
10 can be attached on collet, form the version shown in accompanying drawing 5.
Step 3：Now saw blade 10 is mounted on knife rest 8, the magnet steel 6 on knife rest 8 is held after saw blade 10, decontrols and grip saw
The manipulator of piece, saw blade 10 is inhaled in cutter lower surface.
Step 4：With reference to shown in accompanying drawing 6, during locking saw blade, pull quick change clockwise in the direction of arrows and pull button 1, soon
Change to pull when button 1 turns to 3 position of limited block and stopped operating by the restriction effect of limited block 3, quick change pulls button 1 with the top of head capsule 2
Between position form protection zone 11, the position of protection zone 11 is then the grip position of user's hand when operating multifunction is sawed, because
This serves the effect of protection personal safety.
Step 5：With reference to shown in accompanying drawing 7, reseting handle 9, reseting handle 9 is pulled to compress torsion spring 5 according to the direction of arrow,
Limited block 3 is set to return to original position, now, reseting handle 9 is just fallen at handle standing groove, meanwhile, pushing quick change and pulling button 1 makes it
Reset condition is returned to, quick change is buckled and is pulled button 1 (generally a buckle structure is set so that quick change is pulled button and locked with head capsule 2), spring
Chuck returns to original position, and diameter becomes big, and saw blade 10 is locked completely.
Below schematically the utility model and embodiments thereof be described, the description does not have restricted, accompanying drawing
Shown in be also one of embodiment of the present utility model, actual structure is not limited thereto.So this area is general
Logical technical staff is enlightened by it, in the case where objective is created without departing from the utility model, is designed and this without creative
The similar frame mode of technical scheme and embodiment, all should belong to protection domain of the present utility model.
Claims (4)
1. a kind of return position-limit mechanism of quick change multifunctional saw, described quick change multifunctional saw front end is provided with head capsule, head capsule bottom
It is provided with knife rest, it is characterised in that：Described return position-limit mechanism pulls button, limited block, straight pin and torsion spring including quick change, described
Quick change is pulled button and is hinged with head capsule top side, and head capsule top is provided with stopper slot, and quick change pulls button and is integrally located at stopper slot top；It is spacing
Block is hinged in stopper slot by straight pin, and in straight pin outer ring, one end acts on stopper slot, the torsion spring other end to torsion spring set
Act on limited block；Limited block is provided with reseting handle away from one end of straight pin.
2. the return position-limit mechanism of quick change multifunctional saw according to claim 1, it is characterised in that：The knife rest bottom is also
Magnet steel is provided with, the quantity of magnet steel is 3～5, and magnet steel is circumferentially evenly distributed on knife rest bottom surface by the center of circle of knife rest axle center.
3. the return position-limit mechanism of quick change multifunctional saw according to claim 1, it is characterised in that：Described limited block with
Reseting handle is integrated, and the handle standing groove corresponding with reseting handle is additionally provided with stopper slot.
4. the return position-limit mechanism of quick change multifunctional saw according to claim 1, it is characterised in that：Described limited block with
Cylinder pin connection one end and stopper slot are respectively provided on two sides with two positions mutually corresponding straight pin installing hole.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621078900.9U CN206154243U (en) | 2016-09-26 | 2016-09-26 | Quick change multifunctional sawing returns stop gear |
| DE202017100297.7U DE202017100297U1 (en) | 2016-04-11 | 2017-01-20 | Quick change structure for multifunctional saw |
| US15/416,842 US10131032B2 (en) | 2016-04-11 | 2017-01-26 | Rapid-replacing structure of multifunctional saw |
| FR1750933A FR3043350B3 (en) | 2016-04-11 | 2017-02-03 | QUICK REPLACEMENT STRUCTURE OF A MULTIFUNCTION SAW |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621078900.9U CN206154243U (en) | 2016-09-26 | 2016-09-26 | Quick change multifunctional sawing returns stop gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206154243U true CN206154243U (en) | 2017-05-10 |
Family
ID=58651729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621078900.9U Active CN206154243U (en) | 2016-04-11 | 2016-09-26 | Quick change multifunctional sawing returns stop gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206154243U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108500379A (en) * | 2018-05-02 | 2018-09-07 | 宁波敏实汽车零部件技术研发有限公司 | One kind producing saw blade fast exchange device automatically for auto parts and components |
-
2016
- 2016-09-26 CN CN201621078900.9U patent/CN206154243U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108500379A (en) * | 2018-05-02 | 2018-09-07 | 宁波敏实汽车零部件技术研发有限公司 | One kind producing saw blade fast exchange device automatically for auto parts and components |
| CN108500379B (en) * | 2018-05-02 | 2024-03-19 | 宁波敏实汽车零部件技术研发有限公司 | Automatic quick-change equipment for saw blade in automobile part production |
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