CN205519919U - Clamping structure of drag saw - Google Patents
Clamping structure of drag saw Download PDFInfo
- Publication number
- CN205519919U CN205519919U CN201620161005.7U CN201620161005U CN205519919U CN 205519919 U CN205519919 U CN 205519919U CN 201620161005 U CN201620161005 U CN 201620161005U CN 205519919 U CN205519919 U CN 205519919U
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- CN
- China
- Prior art keywords
- fore paw
- support
- knife rest
- fore
- clamp structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a clamping structure of drag saw, includes: one keeps off the knife rest, installs on the casing, keeps off the preceding terminal surface middle part of knife rest and offers the trompil that supplies the saw blade to plant, a fore paw, the upper end of fore paw middle part ranging back have a connecting rod, and the connecting rod lies in the top that keeps off the knife rest and keeps off that the fore paw support at terminal surface rear hinges mutually before the knife rest through connecting pin, torsional spring with lieing in, buckle location joint on the fore paw support, the rear end of fore paw support and casing, the front end top of fore paw support are equipped with and are used for limiting the biggest turned angle's spacing lug of fore paw. The utility model discloses but simple structure quick assembly disassembly, fore paw support, torsional spring, fore paw link into an integrated entity with circlip through connecting pin and axle, during the dismantlement, as long as press the buckle on the lower casing, just can pull down the fore paw support together with the fore paw, it is spacing that the fore paw also has the angle modulation to have the angle simultaneously, satisfies bigger gathering range to whole device consumptive material is few, and processing technology is simple, and the cost is lower.
Description
Technical field
This utility model relates to a kind of reciprocating sow, is specifically related to the clamping device of a kind of reciprocating sow.
Background technology
Reciprocating sow is a kind of conventional instrument used in family, workshop and gardens, be mainly used in cutting aluminium section bar,
The workpiece such as thin gauge conduit, pvc pipe, branch.Its operation principle is that motor drives reciprocating lever to do reciprocal fortune by gear-box
Dynamic, saw blade is arranged on reciprocating lever, and workpiece can do reciprocal sawing motion.Hand-held reciprocating sow, cutting when, is sawed
Bar opposite piece does and moves back and forth at a high speed, often there is potential danger, and opponent damages sometimes.So reciprocating sow needs
A kind of clamping device is wanted to isolate hands and saw blade, to ensure safety cutting.
The Chinese patent of existing Patent No. CN201310013728.3 " a kind of reciprocating sow ", including fuselage, saw blade and
The fixture of clamping workpiece, described fixture includes that fixed mount and holder, described fixed mount are arranged on described fuselage, described
Holder is hinged on described fixed mount by torsion spring is rotating, and described holder is pressed to surface of the work by described torsion spring.
One reciprocating sow of the present invention fixes workpiece by holder, and described holder is pressed to surface of the work by torsion spring, this reciprocating sow
Fixture can by Work-sheet pressing, but its holder and fixed mount are hinged by rivet, dismount very inconvenient.
Summary of the invention
Technical problem to be solved in the utility model be provide for the above-mentioned state of the art a kind of structure simpler,
The clamp structure of the reciprocating sow of fast demountable.
The technical scheme that the above-mentioned technical problem of this utility model solution is used is: the clamp structure of a kind of reciprocating sow, and it is special
Levy and be that described clamp structure includes:
One gear knife rest, is arranged in casing, offers, in the middle part of the front end face of gear knife rest, the perforate planted for saw blade；
One fore paw, the upper center of fore paw has extended back a connecting rod, and connecting rod is positioned at the top of gear knife rest and by company
Pin, torsion spring and the fore paw support being positioned at gear knife rest front end face rear are hinged；
One fore paw support, the rear end of fore paw support and snaps into position clamping in casing, the front end of fore paw support is arranged over using
In the spacing block set limiting fore paw maximum rotation angle.
As improvement, described fore paw support is a rectangular slab, the rear end of fore paw support be provided with connect with casing upper shaft buckle
The fluting of phase clamping, the both sides, front end of fore paw support flip up and form the left and right that is connected with the connecting plate of fore paw and be connected
Plate.
As improvement, described left and right connecting plates having through hole, connecting rod uses T-shaped connecting rod, and T-shaped connects
The rear end of bar is turned over downwards and forms the U-shaped connecting portion matched with left and right connecting plates, and U-shaped connecting portion is set in left and right and connects
The outside of fishplate bar, the left and right sides of U-shaped connecting portion has the pin-and-hole corresponding with the through hole of left and right connecting plates, logical
Cross connecting pin and left and right connecting plates, U-shaped connecting portion are connected fixing.
As improvement, described torsion spring set is located on connecting pin, is placed between left and right connecting plates, one end of torsion spring upwards holding
Above the rearward end of T-shaped connecting rod, the other end offsets with fore paw support, is provided with for axle elastic in the end of connecting pin
The annular groove that back-up ring snaps in, fore paw support, torsion spring, fore paw are linked into an integrated entity by connecting pin and circlip for shaft.
Improving, limited location projection on described left and right connecting plates, the most inclined shape of spacing block set is arranged on left and right connecting plates again
The left and right sides upper end, inclined-plane, when fore paw rotates to maximum angle, spacing block set respectively with the U-shaped connecting portion of fore paw
Offset spacing.
Improving, below the front end face of described gear knife rest, the left and right sides offers location fluting respectively, and the rear end of fore paw is provided with again
Corresponding positioning boss, when fore paw does not stresses, fore paw makes positioning boss fairly fall in location to open under the effect of torsion spring
Groove resets.
Finally, the both sides, rear end of described gear knife rest offer the hole, U-shaped location that the screw pole with casing coordinates.
Compared with prior art, the utility model has the advantage of: fore paw support, torsion spring, fore paw pass through connecting pin and axle
Linking into an integrated entity with circlip, gear knife rest is as an entirety, and it is fixed that fore paw support and rotating buckle in casing are carried out
Position clamping, during dismounting, if the buckle pressed on lower casing, so that it may fore paw support is quickly pulled down together with fore paw；Limit convex
Platform is set directly on the connecting portion of left and right, not only simplify structure, and spacing reliable and stable.This utility model structure is more
Adding simple, fast demountable, fore paw also has angular adjustment to have angle limit simultaneously, meets bigger job area, and
And whole device consumptive material is few, processing technique is simple, and cost is relatively low.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment；
Fig. 2 is the exploded view of Fig. 1；
Fig. 3 is provided with the structural representation of reciprocating sow of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
As shown in Figures 1 to 3, the clamp structure of a kind of reciprocating sow, described clamp structure includes keeping off knife rest 1, fore paw support 2
And be hinged fore paw 3 by connecting pin 5, torsion spring 4 and fore paw support 2, gear knife rest 1 is arranged in casing, keeps off cutter
The both sides, rear end of frame 1 offer the hole, U-shaped location 11 that the screw pole with casing coordinates, and the front center of gear knife rest 1 is opened
Being provided with the perforate 12 planted for saw blade 8, saw blade 8 is connected fixing through the perforate 12 of gear knife rest 1 with casing, keeps off knife rest
1, after fore paw support 2 and fore paw 3 are installed, whole clamp structure is symmetrical with the perpendicular of saw blade 8, fore paw 3
Upper center has extended back a connecting rod, preferably T-shaped connecting rod 31, and T-shaped connecting rod 31 is positioned at the upper of gear knife rest 1
Side and by connecting pin 5, torsion spring 4 and be positioned at keep off knife rest 1 front end face rear fore paw support 2 be hinged；Fore paw support
2 is a rectangular slab, and the rear end of fore paw support 2 is provided with and the fluting 21 of the buckle 7 phase clamping in casing, and buckle 7 is logical
Crossing pivot pin to be rotatably arranged in casing, the front end of fore paw support 2 is arranged over for limiting fore paw 3 maximum rotation angle
The spacing block set 23 of degree, the most when disassembly is desired, as long as buckle 7 top pressed on lower casing, buckle 7 is de-after rotating
From the snap-fit engagement with fluting 21, so that it may fore paw support 2 is quickly pulled down together with fore paw 3；The front end of fore paw support 2
Both sides flip up and form the left and right connecting plates 22 being connected with the T-shaped connecting rod 31 of fore paw 3, left and right connecting plates 22
On have through hole 221, the rear end of T-shaped connecting rod 31 is turned over downwards to form and matches with left and right connecting plates 22
U-shaped connecting portion 32, U-shaped connecting portion 32 is set in the outside of left and right connecting plates 22, the left and right of U-shaped connecting portion 32
Both sides have the pin-and-hole 321 corresponding with the through hole 221 of left and right connecting plates 22, by connecting pin 5, torsion spring 4
Connecting fixing by left and right connecting plates 22, U-shaped connecting portion 32, torsion spring 4 is set on connecting pin 5, is placed in left and right connection
Between plate 22, one end of torsion spring 4 is upwards placed in above the rearward end of T-shaped connecting rod 31, the other end and fore paw support
2 offset, and are provided with the annular groove 51 snapped in for circlip for shaft 6, fore paw support 2, torsion in the end of connecting pin 5
Spring 4, fore paw 3 are linked into an integrated entity by connecting pin 5 and circlip for shaft 6, and fore paw 3 is in the effect of torsion spring 4
Under can realize reset；There is the inclined-plane of inclination the anterior left and right sides of left and right connecting plates 22, and spacing block set 23 is the most inclined
Shape is arranged on the upper end, inclined-plane of left and right connecting plates 22 left and right sides, when fore paw 3 rotates to maximum angle, and spacing block set
23 respectively U-shaped connecting portion 32 with fore paw 3 offset spacing；Below the front end face of gear knife rest 1, the left and right sides is offered respectively
Having location fluting 13, the rear end of fore paw 3 is provided with the positioning boss 33 of correspondence, and when fore paw 3 does not stresses, fore paw 3 exists
Make positioning boss 33 fairly fall in location fluting 13 under the effect of torsion spring 4 to reset.
During installation, fore paw support 2, torsion spring 4, fore paw 3 are connected into one by connecting pin 5 and circlip for shaft 6
Body, positions the rear end of fore paw support 2 for clamping by fluting 21 with the buckle 7 with casing, when needing to pull down, as long as
By the buckle 7 on lower casing, it is possible to fore paw support 2 is quickly pulled down together with fore paw 3, very convenient, the present embodiment
Can realize Quick Release, assembling is simple simultaneously, and fore paw 3 also angular adjustment has angle limit simultaneously, meets bigger work
Industry scope, and whole device consumptive material is few, and processing technique is simple, and cost is relatively low.
The above is only preferred implementation of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of without departing from this utility model know-why, it is also possible to make some improvements and modifications, these
Improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (7)
1. the clamp structure of a reciprocating sow, it is characterised in that described clamp structure includes:
One gear knife rest, is arranged in casing, offers, in the middle part of the front end face of gear knife rest, the perforate planted for saw blade；
One fore paw, the upper center of fore paw has extended back a connecting rod, and connecting rod is positioned at the top of gear knife rest and by company
Pin, torsion spring and the fore paw support being positioned at gear knife rest front end face rear are hinged；
One fore paw support, the rear end of fore paw support and snaps into position clamping in casing, the front end of fore paw support is arranged over using
In the spacing block set limiting fore paw maximum rotation angle.
Clamp structure the most according to claim 1, it is characterised in that: described fore paw support is a rectangular slab, front
The rear end of pawl support is provided with the fluting of the buckle phase clamping connect with casing upper shaft, and the both sides, front end of fore paw support flip up shape
Become the left and right connecting plates being connected with the connecting plate of fore paw.
Clamp structure the most according to claim 2, it is characterised in that: have on described left and right connecting plates and pass through
Perforation, connecting rod uses T-shaped connecting rod, and the rear end of T-shaped connecting rod is turned over downwards to form and matches with left and right connecting plates
U-shaped connecting portion, U-shaped connecting portion is set in the outside of left and right connecting plates, and the left and right sides of U-shaped connecting portion has
The pin-and-hole corresponding with the through hole of left and right connecting plates, connects fixing by connecting pin by left and right connecting plates, U-shaped connecting portion.
Clamp structure the most according to claim 3, it is characterised in that: described torsion spring set is located on connecting pin, puts
Between left and right connecting plates, one end of torsion spring is upwards placed in above the rearward end of T-shaped connecting rod, and the other end props up with fore paw
Frame offsets, and is provided with the annular groove snapped in for circlip for shaft, fore paw support, torsion spring, fore paw in the end of connecting pin
Linked into an integrated entity by connecting pin and circlip for shaft.
Clamp structure the most according to claim 3, it is characterised in that: limited location projection on described left and right connecting plates,
The most inclined shape of spacing block set is arranged on the upper end, inclined-plane of the left and right connecting plates left and right sides, when fore paw rotates to maximum angle
Time, spacing block set U-shaped connecting portion with fore paw respectively offsets spacing.
6. according to the clamp structure described in claim 1 to 5 any claim, it is characterised in that: described gear knife rest
Front end face below the left and right sides respectively offer location fluting, the rear end of fore paw be provided with correspondence positioning boss, work as fore paw
When not stressing, fore paw makes positioning boss fairly fall in reset in the fluting of location under the effect of torsion spring.
7. according to the clamp structure described in claim 1 to 5 any claim, it is characterised in that: described gear knife rest
Both sides, rear end offer the hole, U-shaped location that the screw pole with casing coordinates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620161005.7U CN205519919U (en) | 2016-03-03 | 2016-03-03 | Clamping structure of drag saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620161005.7U CN205519919U (en) | 2016-03-03 | 2016-03-03 | Clamping structure of drag saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205519919U true CN205519919U (en) | 2016-08-31 |
Family
ID=56780357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620161005.7U Expired - Fee Related CN205519919U (en) | 2016-03-03 | 2016-03-03 | Clamping structure of drag saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205519919U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106541179A (en) * | 2017-01-22 | 2017-03-29 | 常州赛迪工具有限公司 | A kind of reciprocating sow clamping device and the electric reciprocating saw with the clamping device |
| CN109954937A (en) * | 2017-12-14 | 2019-07-02 | 博世电动工具（中国）有限公司 | Saw blade Fast clamping device and reciprocating saw for reciprocating saw |
| EP3831523A1 (en) * | 2019-12-02 | 2021-06-09 | Techtronic Cordless GP | Reciprocating saw with clamping device |
-
2016
- 2016-03-03 CN CN201620161005.7U patent/CN205519919U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106541179A (en) * | 2017-01-22 | 2017-03-29 | 常州赛迪工具有限公司 | A kind of reciprocating sow clamping device and the electric reciprocating saw with the clamping device |
| CN109954937A (en) * | 2017-12-14 | 2019-07-02 | 博世电动工具（中国）有限公司 | Saw blade Fast clamping device and reciprocating saw for reciprocating saw |
| CN109954937B (en) * | 2017-12-14 | 2022-11-08 | 博世电动工具（中国）有限公司 | Saw blade quick clamping device for reciprocating saw and reciprocating saw |
| EP3831523A1 (en) * | 2019-12-02 | 2021-06-09 | Techtronic Cordless GP | Reciprocating saw with clamping device |
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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: 20160831 Termination date: 20190303 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |