CN202356727U - Steel saw capable of adjusting saw cutting space - Google Patents

Steel saw capable of adjusting saw cutting space Download PDF

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Publication number
CN202356727U
CN202356727U CN2011203398309U CN201120339830U CN202356727U CN 202356727 U CN202356727 U CN 202356727U CN 2011203398309 U CN2011203398309 U CN 2011203398309U CN 201120339830 U CN201120339830 U CN 201120339830U CN 202356727 U CN202356727 U CN 202356727U
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CN
China
Prior art keywords
saw
saw bow
bow
hacksaw
hole
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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
Application number
CN2011203398309U
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Chinese (zh)
Inventor
李跃明
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李跃明
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Priority to CN2011203398309U priority Critical patent/CN202356727U/en
Application granted granted Critical
Publication of CN202356727U publication Critical patent/CN202356727U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model discloses a steel saw capable of adjusting the distance between a saw bow and a saw blade. In most of conventional steel saws, the distance between a saw bow and a saw blade cannot be adjusted, only in part of conventional steel saws, the distance between the saw bow and the saw blade can be adjusted, but the adjustment is troublesome, an entire steel saw is required to be disassembled, and the adjustment can only be adjusted between two specific positions. The steel saw provided by the utility model comprises the saw blade, the saw bow, a saw blade tightening device, a handheld grip and an installation head, wherein the saw bow is divided into a front saw bow and a rear saw bow, the rear saw bow is mounted on the handheld grip, and can be rotationally connected and positioned, and the front saw bow and the rear saw bow can be switched between the two positions. The design enables the distance between the saw bow and the saw blade can be adjusted very quickly and conveniently, the adjustment can be performed without need of disassembling the steel saw, the adjustment can be performed among a plurality of positions, and the application range of the steel saw is expanded.

Description

The hacksaw in scalable sawing space
Technical field
The present invention relates to a kind of cutting tool, is the hacksaw in a kind of scalable sawing space specifically.
Background technology
Existing hacksaw; A kind of is that cutting room cannot be adjusted; Just the distance between saw bow and the saw blade is changeless, " installs and removes the hacksaw of saw blade fast " and Chinese utility model patent ZL200620088201.2 " multifunctional assembled hacksaw " like Chinese utility model patent ZL03225125.4.This kind hacksaw is after installing saw blade; Distance between saw blade and the saw bow is to immobilize, and the distance between saw blade and the saw bow will determine this hacksaw to cut the workpiece of much (or how thick) and can in great working space, carry out cutting work.
Another kind is that cutting room is adjustable, and just the distance between saw bow and the saw blade is adjustable, like Chinese utility model patent ZL01203517.3 " Steel saw frame " and Chinese utility model patent ZL200820086922.9 " saw saw capable of reversing ".
First kind of hacksaw can only carry out cutting operation in a kind of fixing space, cannot adjust the distance of saw blade and saw bow; Though second kind of hacksaw can be regulated the distance between saw bow and the saw blade, has following problem:
1, when carrying out distance adjustment, needs earlier saw bow to be disassembled from handle and installation head; Change a direction and reload handle and installation head again; Adjusting is got up cumbersome, can not regulate quickly and easily, and the parts that disassemble is also lost easily.
2, can only can not adjust the distance between saw bow and the saw blade according to actual needs two position adjustment that preset.The distance of adjustment that just can not many gears between the two.
Summary of the invention
The technical assignment of technical problem to be solved by this invention and proposition is exactly a kind of can the adjusting as required at a plurality of cutting rooms that provides in order to overcome above-mentioned defective, and the convenient and swift hacksaw of regulating, to adapt to the different working demand.
The present invention adopts following technical scheme for this reason:
The hacksaw in scalable sawing space comprises the saw blade that has installing hole, handle; The saw blade take-up device; Installation head and saw bow, described saw bow is made up of preceding saw bow and back saw bow, and described back saw bow is rotationally connected and is positioned on the handle; Saw bow one end is connected with installation head before described, and the other end is fixedly connected with the second place in primary importance with the back saw bow; When saw bow is in primary importance with the back saw bow before described, have ultimate range between saw bow and the saw blade, when the second place, have minimum range between saw bow and the saw blade.
The said primary importance of the present invention is meant the position that has ultimate range between saw bow and the saw blade, and the second place is meant the position that has minimum range between saw bow and the saw blade.
As the further of technique scheme improved and replenish, the present invention also comprises following additional technical feature:
As optimized technical scheme, the saw blade take-up device is installed on the described handle, the saw blade take-up device is provided with mount pin.
As optimized technical scheme, described handle is provided with and can the back saw bow is rotationally connected and can be positioned on the rotation positioning device on the handle.
As optimized technical scheme, saw bow two ends, described back are respectively arranged with the profile of tooth through hole and first through hole, second through hole, and wherein, the rotation positioning device of described profile of tooth through hole and handle matches, and realizes the rotational positioning of back saw bow.
As optimized technical scheme, described rotation positioning device is the scallop of coaxial setting on the handle, the profile of tooth counterbore, and step surface and through hole, and keeper, described keeper is rotationally connected handle and back saw bow and is positioned at together.
As optimized technical scheme, described preceding saw bow one end is connected with described installation head, and the other end is provided with third through-hole, fourth hole, fifth hole.
As optimized technical scheme, described preceding saw bow can be positioned at the primary importance and the second place with the back saw bow through separable positioner.
As optimized technical scheme, described separable positioner is " U " shape keeper, is arranged with fixed cover in the end of " U " shape keeper, and this fixed cover is processed by flexible material.
As optimized technical scheme; Described handle is provided with mounting groove; Described back saw bow is installed in the mounting groove; Be respectively arranged with first in the described mounting groove and be decided to be the face and second locating surface, described back saw bow rotates between first locating surface and second locating surface and positions through keeper.
As optimized technical scheme, described keeper is provided with toothed shank, along the double-screw bolt that toothed shank extends back, and positioning step, and the nut that is complementary with double-screw bolt.
The invention has the beneficial effects as follows:
1, the hacksaw in this scalable sawing space can be regulated between ultimate range and minimum range in use quickly and easily, and can between a plurality of distances, regulate according to the needs of real work,
2, when regulating, need not whole hacksaw dismounting be come, parts loses when having avoided between a plurality of positions, regulating.
Description of drawings
Fig. 1 is saw bow and the structural representation of the state that saw blade is in ultimate range of the hacksaw in scalable sawing of the present invention space.
Fig. 2 is saw bow and the structural representation of the state that saw blade is in minimum range of the hacksaw in scalable sawing of the present invention space
Fig. 3 is the back saw bow structural representation of the hacksaw in scalable sawing of the present invention space.
Fig. 4 is that the C-C of Fig. 3 is to the sectional structure sketch map.
Fig. 5 is that the A-A of Fig. 1 is to the broken section structural representation.
Fig. 6 is the preceding saw bow structural representation of the hacksaw in scalable sawing of the present invention space.
Fig. 7 is that the D-D of Fig. 6 is to the sectional structure sketch map.
Fig. 8 is that the B-B of Fig. 1 is to the broken section structural representation.
Fig. 9 is the structural representation of fixed cover of the present invention.
Figure 10 is that the E-E of Fig. 9 is to the sectional structure sketch map.
Figure 11 is the structural representation of " U " of the present invention shape keeper.
Figure 12 is the vertical view of Figure 11.
Figure 13 is a keeper structural representation of the present invention.
Label declaration among the figure:
The 1-handle, the 11-scallop, 12-profile of tooth counterbore, the 13-step surface, the 14-through hole, the 15-rear wall, the 16-antetheca, 17-first locating surface, 18-second locating surface, the 19-mounting groove,
The 2-saw blade, 21-first installing hole, 22-second installing hole
3-saw blade take-up device,
The 4-installation head, the 31-first hacksaw alignment pin, the 41-second hacksaw alignment pin
The 5-saw bow, saw bow before the saw bow behind the 51-, 52-, 53-profile of tooth through hole, 54-first through hole, 55-second through hole, the 56-third through-hole, the 57-fourth hole, the 58-fifth hole,
The 6-keeper, the 61-toothed shank, the 62-double-screw bolt, the 63-positioning step, the 64-nut,
7-" U " shape keeper, the 71-first switching-over alignment pin, the 72-second switching-over alignment pin, the 73-fixed cover, the 74-first switching-over fixing hole, the 75-second switching-over fixing hole,
The specific embodiment
The present invention is further specified through specific embodiment below in conjunction with Figure of description.
Like Fig. 1, shown in Figure 2, this hacksaw comprises handle 1, with saw blade 2, saw blade take-up device 3 (it is provided with the first hacksaw alignment pin 31), the installation head 4 of first installing hole 21 and second installing hole 22
(it is provided with the second hacksaw alignment pin 41) and saw bow 5 formed, wherein:
Saw bow 5 is made up of preceding saw bow 52 and back saw bow 51.One end of back saw bow 51 links to each other with handle 1, and it is provided with profile of tooth through hole 53, and the other end links to each other with preceding saw bow 52, and it is provided with first through hole 54 and second through hole 55.Preceding saw bow 52 1 ends are connected (also can be made of one with installation head) with installation head, the other end is provided with third through-hole 56, fourth hole 57, fifth hole 58.
" U " shape keeper 7 is respectively arranged with the first switching-over alignment pin 71 and the second switching-over alignment pin 72 on it, fixed cover 73, and it is provided with the first switching-over fixing hole 74 and the second switching-over fixing hole 75 that is complementary with alignment pin.In order to prevent that fixed cover 73 from coming off from the first switching-over alignment pin 71 and the second switching-over alignment pin 72, fixed cover 73 can be processed (such as rubber, modified PVC etc.) with soft plastic.
Preceding saw bow, back saw bow, alignment pin, fixed cover can mode as shown in Figure 5 fit together.
Saw blade take-up device 3 is installed on the handle 1, and how it specifically tightens up saw blade has had a lot of patents to be described, and (like the ZL200820086922.9 in this patent background technology " saw saw capable of reversing ") is not described in detail in this.
On handle 1, also be provided with mounting groove 19 (seeing accompanying drawing 8), on the rear wall of mounting groove 19 15 and antetheca 16, be coaxially arranged with scallop 11, profile of tooth counterbore 12 and through hole 14 respectively, and step surface 13 formed.In mounting groove 19, also be respectively arranged with first locating surface 17 and second locating surface 18; These two locating surfaces define the back rotational angle of saw bow mounting groove 19 in, make things convenient for the user when adjusting, to find the position of ultimate range and minimum range between saw bow and the saw blade fast., the back saw bow, can make between saw bow and the saw blade to have ultimate range when being resisted against first locating surface 17 through the angle between saw bow before regulating and the back saw bow; , the back saw bow, can make between saw bow and the saw blade to have minimum range when being resisted against second locating surface 18 through the angle between saw bow before regulating and the back saw bow.When the back diverse location of saw bow between first locating surface 17 and second locating surface 18 rotates and during the location, can adjust between saw bow and the saw blade to have different distance, thereby can adjust best service range according to the needs of real work.
Keeper 6, end is provided with the toothed shank 61 that is complementary with the scallop 11 and the first profile of tooth counterbore 12 on it, and the other end is a double-screw bolt 62, between toothed shank 61 and double-screw bolt 62, forms positioning step 63.
Back saw bow, handle and keeper mode as shown in Figure 8 is assembled together.
During use, can be earlier the back saw bow be inserted the mounting groove of handle, make the back saw bow abut to first locating surface 17, keeper is penetrated, make step surface 13 and positioning step 63 each other against, the nut 64 of on the double-screw bolt 62 of keeper, screwing on then.Again preceding saw bow and back saw bow are docked, make win through hole 54 and fifth hole 58 alignment, with second through hole 55 and third through-hole 57 alignment, penetrate " U " shape keeper and be inserted in fixed cover simultaneously.Before again installation head being assembled on the saw bow, loading onto saw blade at last and saw blade is strained through the saw blade take-up device.The hacksaw that assembles like this is as shown in Figure 1, has maximum cutting distance between saw bow and the saw blade.
When between needs adjustment saw bow 5 and the saw blade 2 apart from the time; Can unscrew the saw blade take-up device earlier pulls down saw blade; Unscrew nut 64 again and press keeper 6 that saw bow 51 can make the back saw bow abut to second locating surface 18 in 19 li rotations of mounting groove of handle up to the back, fastening nut 64 is positioned at the back saw bows on the handle reliably again.Again " U " shape keeper is pulled down, the angle of adjustment back saw bow and preceding saw bow makes win through hole 54 and fifth hole 58 alignment, with second through hole 55 and fourth hole 56 alignment, penetrates " U " shape keeper 7 again and is inserted in fixed cover 73 simultaneously.Load onto saw blade at last and saw blade is strained through the saw blade take-up device.The hacksaw that assembles like this is as shown in Figure 2, has minimum cutting distance between saw bow and the saw blade.
In like manner through the angle between adjustment back saw bow and the handle, can make to have different cutting distances between saw bow and the saw blade, satisfied difference is to use demand.
Just realized the adjusting of distance between saw bow and the saw blade very fast and easily through top several steps.
Above-mentioned specific embodiment is a most preferred embodiment of the present invention, and any non-simple transformation through creative work should think to fall into the scope of the claim of this invention.

Claims (10)

1. the hacksaw in a scalable sawing space comprises having first installing hole (21) saw blade (2) of second installing hole (22); Handle (1), saw blade take-up device (3), installation head (4) and saw bow (5); It is characterized in that described saw bow (5) is made up of preceding saw bow (52) and back saw bow (51), wherein, described saw bow afterwards (51) is rotationally connected and is positioned on the handle; Saw bow (52) one ends are connected with installation head before described; The other end is fixedly connected between two positions with back saw bow (51), has ultimate range between saw bow when primary importance (5) and the saw blade (2), has minimum range between saw bow when the second place (5) and the saw blade (2).
2. the hacksaw in scalable sawing according to claim 1 space is characterized in that being equipped with on the described handle (1) saw blade take-up device (3), and saw blade take-up device (3) is provided with the first hacksaw alignment pin (31).
3. the hacksaw in scalable sawing according to claim 1 and 2 space is characterized in that described handle (1) is provided with can back saw bow (51) is rotationally connected and can be positioned on the rotation positioning device on the handle.
4. the hacksaw in scalable sawing according to claim 1 space; It is characterized in that saw bow (51) two ends, described back are respectively arranged with profile of tooth through hole (53) and first through hole (54); Second through hole (55); Wherein, the rotation positioning device of described profile of tooth through hole (53) and handle (1) matches, and realizes the rotational positioning of back saw bow (51).
5. hacksaw according to claim 3; It is characterized in that described rotation positioning device is the scallop (11) that handle (1) is gone up coaxial setting; Profile of tooth counterbore (12); Step surface (13) and through hole (14), and keeper (6), described keeper (6) is rotationally connected handle (1) and back saw bow (51) and be positioned at together.
6. the hacksaw in scalable sawing according to claim 1 space is characterized in that described preceding saw bow (52) one ends are connected with described installation head (4), and the other end is provided with third through-hole (56), fourth hole (57), fifth hole (58).
7. according to the hacksaw in claim 1 or 4 or 6 described scalable sawing spaces, it is characterized in that described preceding saw bow (52) and back saw bow (51) can be positioned at the primary importance and the second place through separable positioner.
8. the hacksaw in scalable sawing according to claim 7 space is characterized in that described separable positioner is " U " shape keeper (7), is arranged with fixed cover (73) in the end of " U " shape keeper (7).
9. the hacksaw in scalable sawing according to claim 1 space; It is characterized in that described handle (1) is provided with mounting groove (19); Described back saw bow (51) is installed in the mounting groove (19), is respectively arranged with first in the described mounting groove (19) and is decided to be face (17) and second locating surface (18).
10. hacksaw according to claim 5 is characterized in that described keeper (6) is provided with toothed shank (61), along the double-screw bolt (62) that toothed shank (61) extends back, and positioning step (63), and and the nut (64) that is complementary of double-screw bolt (62).
CN2011203398309U 2011-09-05 2011-09-05 Steel saw capable of adjusting saw cutting space Expired - Fee Related CN202356727U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203398309U CN202356727U (en) 2011-09-05 2011-09-05 Steel saw capable of adjusting saw cutting space

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011203398309U CN202356727U (en) 2011-09-05 2011-09-05 Steel saw capable of adjusting saw cutting space

Publications (1)

Publication Number Publication Date
CN202356727U true CN202356727U (en) 2012-08-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011203398309U Expired - Fee Related CN202356727U (en) 2011-09-05 2011-09-05 Steel saw capable of adjusting saw cutting space

Country Status (1)

Country Link
CN (1) CN202356727U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102974891A (en) * 2011-09-05 2013-03-20 李跃明 Steel saw capable of adjusting sawing space

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102974891A (en) * 2011-09-05 2013-03-20 李跃明 Steel saw capable of adjusting sawing space
CN102974891B (en) * 2011-09-05 2016-03-23 李跃明 The hacksaw in adjustable sawing space

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120801

Termination date: 20130905