CN201711603U - Quick clamping device of reciprocating saw - Google Patents
Quick clamping device of reciprocating saw Download PDFInfo
- Publication number
- CN201711603U CN201711603U CN2010202192997U CN201020219299U CN201711603U CN 201711603 U CN201711603 U CN 201711603U CN 2010202192997 U CN2010202192997 U CN 2010202192997U CN 201020219299 U CN201020219299 U CN 201020219299U CN 201711603 U CN201711603 U CN 201711603U
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- China
- Prior art keywords
- locking pin
- saw blade
- clamping device
- quick clamping
- base
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Abstract
The utility model discloses a quick clamping device of a reciprocating saw, which comprises a gripping head seat and a reciprocating piece, wherein the reciprocating piece is connected to the gripping head seat. A mounting groove for a saw blade to be mounted is formed on the gripping head seat; a saw blade clamping assembly is arranged on the gripping head seat; the saw blade clamping assembly comprises a fixed structure fixed on the gripping head seat and an elastic return mechanism arranged in the fixed structure and used for compressing the saw blade. By adopting the quick clamping device provided by the utility model, the loading and unloading of the saw blade can be easily realized, and the strucure is flexible, quick, and convenient to operate, is secure, safe and reliable in fixation, is unique in design and simple in techniques, the requirements on the processing technique of fasteners are reduced, and the manufacturing cost is lowered.
Description
Technical field
The utility model relates to a kind of saw blade fast fixture of reciprocating saw.
Background technology
Sawing a board, under the multiple situations such as stub or sheet metal, often will use reciprocating saw, and whether the clamping of reciprocating saw saw blade is solid and reliable and clamp easily, it is particularly important to seem in the reciprocating saw course of work.Existing reciprocating saw comprises that driving drives fixed part and the saw blade of clamping in fixed part that saw blade moves reciprocatingly, and the stiff end operated by rotary motion of saw blade has through hole, so that pin class part installs fixing.Traditional saw blade clamping structure generally is to tighten or adopt very complicated structure to realize fast automatic clamping by means of small wrench is manual, as China national Department of Intellectual Property February in 2008 Granted publication on the 27th a name be called the utility model patent of reciprocating saw saw blade quick clamping device, notification number is CN201026536Y, a kind of reciprocating saw saw blade quick clamping device is disclosed in this utility model patent specification, comprise that chuck and front end are provided with the switch knob of switch knob inserts, chuck is provided with the saw blade mounting groove of sidewall tape punching, be provided with steel ball in the perforation, on chuck, also be provided with axis pin base, axis pin base is provided with bearing pin, bearing pin is provided with and promotes the cam of steel ball action, cam is provided with the gradual change curved surface with the steel ball effect, between axis pin base and cam, be provided with torsionspring, the gradual change curved surface end of described cam is provided with limited post, a side that deviates from chuck at cam also is provided with a projection of radially extending, and this projection acts on mutually with the switch knob inserts of switch knob front end.Cam acts on the steel ball under the saw blade tightening state, steel ball is headed in the through hole of saw blade stiff end, when changing saw blade, the user uses spanner to act on and makes the cam rotation on the cam, make steel ball break away from the cam effect, saw blade loses fastening effect and is pulled out, this structure relates to cam, the employing steel ball is fastening, and is well-known, and steel ball is not lubricated to be easy to wear and tear, and the gradual change curved surface of the effect that contacts with steel ball on the cam be provided with special requirement, these are all increasing production cost virtually, and may be stuck in the clamping device maintain and replace inconvenience behind the worn steel ball.And traditional be not intended to run into by the people easily and cause saw blade to unclamp by means of the manual small wrench of using in the clamping structure of saw blade of tightening of small wrench, outside security is not enough also might because small wrench lose and cause loading and unloading saw blade and make troubles for reciprocal tool use.
The utility model content
Problem to be solved in the utility model just provides a kind of simple in structure, easy to operate quick clamping device of reciprocating saw, safe and reliable, disassembling, assembling and replacing is quick, has also reduced the processing technology requirement of securing member, reduce production cost, also improved the reliability of clamping on the other hand.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of quick clamping device of reciprocating saw, comprise base of the carrier head and reciprocal sheet, back and forth sheet is connected on the base of the carrier head, be provided with the mounting groove that saw blade is installed in the base of the carrier head, be provided with saw blade and clamp assembly on base of the carrier head, it is characterized in that: described saw blade clamps assembly and comprises the fixed structure that is fixed on the base of the carrier head and be located at the elastic recovery mechanism that tightly suppresses saw blade in the fixed structure.
Further, described fixed structure is a fixed cover, and fixed cover is fixed on the base of the carrier head by securing member.
Further, the lower surface of described fixed cover is the plane, and the bilateral symmetry of fixed cover is provided with the through hole of specification unanimity, and base of the carrier head is provided with installing hole and corresponding with the through hole on the fixed cover, and described securing member passes through hole and installing hole is connected.
Further, described securing member is a screw.
Further, described elastic recovery mechanism comprises compression spring and the locking pin that is located in the fixed cover, the compression spring housing is on locking pin, fixed cover is stretched out in the upper end of locking pin, the lower end of locking pin is provided with screens step I, the upper end of compression spring is against on the inner face of fixed cover, and the lower end of compression spring is against on the screens step I, and the locating hole corresponding matching that the bottom of locking pin is stretched on mounting groove and the saw blade compresses saw blade.
Further, described locking pin is provided with screens step II, and screens step II is positioned at screens step I below.During installation, screens step II is against on the upper surface of base of the carrier head, helps out, and protects the bottom face of locking pin simultaneously when saw blade not being installed, and avoids it to contact with the lower surface of mounting groove, reduces wear.
Further, the bottom face of described locking pin is a taper seat.Being convenient to accurate and on the saw blade the automatically locating hole of locking pin matches.
Further, the top of described locking pin is provided with stretching structure.Be convenient to operation.
Further, described stretching structure is pull head, pull head and the locking pin interference fit that is fixed on the top of locking pin.Assembling is simple.
Further, described reciprocal sheet is inserted in the mounting groove, and it is corresponding with the fixing hole on the reciprocal sheet that base of the carrier head is provided with pin-and-hole, and reciprocal sheet passes pin-and-hole by the riveting pin and fixing hole is fixed.
After adopting technique scheme, the utlity model has following advantage: by fast fixture provided by the utility model, can easily realize the loading and unloading of saw blade, this structure operation is flexible, quick and convenient, fixation, safe and reliable designs ingeniously, and technology is simple, reduce the processing technology requirement of securing member, reduced production cost.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is the explosive view of a kind of embodiment of the utility model;
Fig. 2 is a vertical view embodiment illustrated in fig. 1;
Fig. 3 be among Fig. 2 A to cutaway view;
Fig. 4 is the entity schematic diagram of locking pin.
The specific embodiment
The structural representation of a kind of embodiment of the utility model shown in Fig. 1 to 4, a kind of quick clamping device of reciprocating saw, comprise base of the carrier head 1 and reciprocal sheet 8, be provided with the mounting groove 11 that saw blade 9 is installed in the base of the carrier head, back and forth sheet is inserted in the mounting groove, it is corresponding with the fixing hole 81 on the reciprocal sheet that base of the carrier head is provided with pin-and-hole 13, and reciprocal sheet passes pin-and-hole by riveting pin 7 and fixing hole is fixed; On base of the carrier head, be provided with fixed cover 2, the lower surface of fixed cover 2 is the plane, the bilateral symmetry of fixed cover 2 is provided with horizontal stand 21, horizontal stand 21 is provided with the through hole 211 of specification unanimity, base of the carrier head 1 is provided with installing hole 12 and corresponding with through hole 211, and securing member 3 passes through hole 211 and cooperates with installing hole 12 fixed cover 2 is fixed on the base of the carrier head 1; In fixed cover 2, be provided with compression spring 4 and locking pin 5, the compression spring housing is on locking pin, fixed cover is stretched out in the upper end of locking pin, on the top of locking pin, be fixed with pull head 6, pull head and locking pin interference fit, the lower end of locking pin is provided with screens step I51, the upper end of compression spring is against on the inner face 23 of fixed cover, the lower end of compression spring is against on the screens step I, locating hole 91 corresponding matching that the bottom of locking pin is stretched on mounting groove and the saw blade compress saw blade, locking pin is provided with screens step II52, and screens step II is positioned at screens step I below.
In the foregoing description, securing member is a screw, also can select bolt or other securing members for use; The bottom face of locking pin is a taper seat, is convenient to accurate and on the saw blade the automatically locating hole of locking pin and matches.
Assembling process of the present utility model is: reciprocal sheet is inserted in the mounting groove of base of the carrier head, fix with the riveting pin, the riveting pin is pressed into base of the carrier head makes riveting pin upper surface concordant with the base of the carrier head upper surface; Locking pin is placed on the base of the carrier head, and screens step II is against on the upper surface of base of the carrier head auxiliary fixing; To compress spring housing on locking pin, then fixed cover be covered compression spring and locking pin, fixed cover will be fixed on the base of the carrier head with screw; At last pull head and locking pin interference are press-fitted, whether in working order no matter guarantee reciprocating saw like this, the compression spring all keeps down and pushes away the power of locking pin, can both fixedly secure saw blade, and is safe and reliable.
The utility model is realized clamping fast by following process: elder generation was with the pull head pull-up when saw blade was installed, make locking pin leave the mounting groove of base of the carrier head, then saw blade is inserted in the mounting groove, the saw blade of having good positioning makes the locating hole on the saw blade corresponding with locking pin, unclamp pull head then, the compression spring is released, and the power of generation is applied on the screens step I of locking pin, promotes locking pin and down moves, make the taper seat of locking pin bottom be adjacent to the locating hole of saw blade, clamp saw blade thereby press; During the dismounting saw blade, the pull-up pull head, the taper seat of locking pin and saw blade hole break away from, and from base of the carrier head pull out saw blade with hand this moment, thereby realize saw blade quick-clamping and dismounting.
By fast fixture provided by the utility model, can easily realize the loading and unloading of saw blade, this structure operation is flexible, quick and convenient, fixation, safe and reliable designs ingeniously, and technology is simple, reduce the processing technology requirement of securing member, reduced production cost.
Claims (10)
1. quick clamping device of reciprocating saw, comprise base of the carrier head (1) and reciprocal sheet (8), back and forth sheet is connected on the base of the carrier head, be provided with the mounting groove (11) that saw blade (9) is installed in the base of the carrier head, be provided with saw blade and clamp assembly on base of the carrier head, it is characterized in that: described saw blade clamps assembly and comprises the fixed structure that is fixed on the base of the carrier head and be located at the elastic recovery mechanism that tightly suppresses saw blade in the fixed structure.
2. a kind of quick clamping device of reciprocating saw according to claim 1 is characterized in that: described fixed structure is fixed cover (2), and fixed cover is fixed on the base of the carrier head by securing member (3).
3. a kind of quick clamping device of reciprocating saw according to claim 2, it is characterized in that: the lower surface of described fixed cover is the plane, the bilateral symmetry of fixed cover is provided with the through hole (211) of specification unanimity, base of the carrier head is provided with installing hole (12) and corresponding with the through hole on the fixed cover, and described securing member passes through hole and installing hole is connected.
4. according to claim 2 or 3 described a kind of quick clamping device of reciprocating saw, it is characterized in that: described securing member is that machine is pressed screw.
5. a kind of quick clamping device of reciprocating saw according to claim 1, it is characterized in that: described elastic recovery mechanism comprises compression spring (4) and the locking pin (5) that is located in the fixed cover, the compression spring housing is on locking pin, fixed cover is stretched out in the upper end of locking pin, the lower end of locking pin is provided with screens step I (51), the upper end of compression spring is against on the inner face (23) of fixed cover, the lower end of compression spring is against on the screens step I, and locating hole (91) corresponding matching that the bottom of locking pin is stretched on mounting groove and the saw blade compresses saw blade.
6. a kind of quick clamping device of reciprocating saw according to claim 5 is characterized in that: described locking pin is provided with screens step II (52), and screens step II is positioned at screens step I below.
7. a kind of quick clamping device of reciprocating saw according to claim 5 is characterized in that: the bottom face of described locking pin is a taper seat.
8. a kind of quick clamping device of reciprocating saw according to claim 5 is characterized in that: the top of described locking pin is provided with stretching structure.
9. a kind of quick clamping device of reciprocating saw according to claim 8 is characterized in that: described stretching structure is pull head (6), pull head and the locking pin interference fit that is fixed on the top of locking pin.
10. a kind of quick clamping device of reciprocating saw according to claim 1, it is characterized in that: described reciprocal sheet is inserted in the mounting groove, it is corresponding with the fixing hole (81) on the reciprocal sheet that base of the carrier head is provided with pin-and-hole (13), and reciprocal sheet passes pin-and-hole by riveting pin (7) and fixing hole is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202192997U CN201711603U (en) | 2010-06-08 | 2010-06-08 | Quick clamping device of reciprocating saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202192997U CN201711603U (en) | 2010-06-08 | 2010-06-08 | Quick clamping device of reciprocating saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201711603U true CN201711603U (en) | 2011-01-19 |
Family
ID=43457601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202192997U Expired - Fee Related CN201711603U (en) | 2010-06-08 | 2010-06-08 | Quick clamping device of reciprocating saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201711603U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101905354A (en) * | 2010-06-08 | 2010-12-08 | 浙江亚特电器有限公司 | Quick clamping device of reciprocating saw |
-
2010
- 2010-06-08 CN CN2010202192997U patent/CN201711603U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101905354A (en) * | 2010-06-08 | 2010-12-08 | 浙江亚特电器有限公司 | Quick clamping device of reciprocating saw |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20150608 |
|
| EXPY | Termination of patent right or utility model |