CN1330447C

CN1330447C - Hand saw capable of light guiding orientation cutting

Info

Publication number: CN1330447C
Application number: CNB2004100669229A
Authority: CN
Inventors: 邬贤波
Original assignee: Individual
Current assignee: Wu Xianyan
Priority date: 2004-09-28
Filing date: 2004-09-28
Publication date: 2007-08-08
Anticipated expiration: 2024-09-28
Also published as: CN1597210A

Abstract

The present invention discloses a hand saw capable of light guiding orientation cutting, which comprises a frame body provided with a front grip, a frame body upper beam and a rear grip, wherein the frame body upper beam is provided with a front LED lamp and a rear LED lamp; the rear grip is embedded with a battery box which can be loaded with a button battery and a push-button switch; the light guiding orientation cutting is realized; the rear grip is assembled with a movable spanner which is embedded with a fixed switch and a switch spring; the movable spanner is in pin joint with a movable sleeve through fixing pins; a rear installing strip round pin of a rear pulling pin is inserted into a rear spring and is in butting joint with a movable sleeve of the inserted rear spring; the rear end of the movable sleeve is embedded with an opening damping ring; a gasket is arranged between the rear grip and the movable spanner; the front of a through hole at the lower end of the front grip is provided with an adjusting nut which is provided with an embedding nut; a front installing strip round pin of a front pulling pin is orderly penetrated through a rear angle ratchet wheel, a front angle ratchet wheel, a front spring and a front inner sleeve for adjusting saw blade cutting angles; the rear angle ratchet wheel is matched with the front angle ratchet wheel; the cutting angle can be randomly adjusted from 0 DEG to 360 DEG.

Description

Hand saw capable of light guiding orientation cutting

Technical field

The present invention relates to handsaw, particularly a kind of hand saw capable of light guiding orientation cutting that when the sawing material, uses.

Background technology

This hand tools of handsaw is generally used during the sawing material in repair of machine, assembling.Traditional handsaw exists not enough, one handsaw wherein an end one screw and nut are arranged, play and strain and unclamp the saw blade effect, when promptly not sharp or fracture need to be changed when saw blade, need unscrew nut, saw blade is got from handsaw, load onto new saw blade then, again with nut screwing clamping; Thereby when changing saw blade, a pine one is tight, and promptly trouble is time-consuming again, and uses the nut profile less, and frequent operation easily causes operator's fatigue; It two is when need are adjusted the sawing angle, must pull down nut, can adjust, and its angle has 0 degree and 90 and spends both directions; It three is in the dark weak local operation of light, sawing position location difficulty.The applying date is that " a kind of saw frame " (notification number is CN2508920 Y) of the Chinese utility model patent ZL01271894.7 in December 05 calendar year 2001 seen accompanying drawing 3 with regard to the saw frame that belongs to this class formation; The front end of this saw frame 2 has a blind rivet 9, the other end has a circular seat 11, in the seat hole 12 is arranged, the front end of rolling cover 3 is connected with hole 12 by two protruded stigmas, be provided with fulcrum 6 in rolling cover 3, support brace 7 is provided with open slot, and open slot is enclosed within on the fulcrum 6, and be welded with nut 5 in the upper end of groove, be provided with adjustment screw 4 in nut 5, the front end of support brace 7 passes the breach of rolling cover 3 bottoms and stretches in the outside of saw frame 2, is provided with blind rivet 10 at its extension and forms, when changing or during the new clothes saw blade, only need to adjust adjustment screw 4, rolling cover 3 toward drop-down, is fixed on saw blade-holder on

blind rivet

9 and 10 according to length of saw blade, then rolling cover 3 is upwards closed, can use.It is simple in structure, and make things convenient for during use, save time, though the problems referred to above one are made certain improvements, but still bother time-consuming; Especially this handsaw still fails to solve the above problems two, three, can't finish the conversion of sawing angle random, also can't finish at the dark weak place of light accurately orientation cutting on material, has influenced the function of handsaw.

Summary of the invention

Technical problem to be solved by this invention is time-consuming at above-mentioned trouble when changing saw blade, the nut profile is little, sawing angle adjustment scope is little, defectives such as sawing position location is inaccurate, and provide can convenient and swift replacing saw blade, the accurate hand saw capable of light guiding orientation cutting of orientation cutting position, conversion sawing angle.

The present invention solves the problems of the technologies described above the technical scheme that is adopted:

Hand saw capable of light guiding orientation cutting comprises the support body through casting forming, and support body has foregrip, support body is put the beams in place and the back handle; The technical measures of taking comprise:

A. LED lamp and back LED lamp before being provided with in the described support body upper beam bottom outlet, the embedded battery case that can insert button cell that is equipped with of described back handle upper end side opening, the battery case limit is provided with the push button switch that can control the button cell break-make; Preceding LED lamp is connected with button cell and push button switch with lead respectively with back LED lamp, and forms a closed-loop path;

B. handle lower end, described back is fitted with a monkey wrench, and the notch that the monkey wrench rear portion has is embedded with and can turns round the floatless switch that fastens with handle lower end, back card; The notch that the bottom has behind the monkey wrench is equipped with the switch spring that plays positioning action, the upper end of switch spring is tight against the floatless switch front bottom end, the monkey wrench two bottom sides is shaped on downward extension respectively and has picking up the ears of through hole, through hole that monkey wrench two is picked up the ears and rear end are shaped on the movable sleeve of through hole by the steady pin pin joint, the bar loading later round pin of back blind rivet penetrates the rear spring that is positioned at the back cover, and with the movable sleeve front end that penetrates rear spring apical grafting mutually, in the through hole that the handle lower end is shaped on after inserting again, the movable sleeve rear end is embedded with split washer, and two of the rear end of back handle lower end through hole and monkey wrench is provided with lining ring between picking up the ears;

C. be provided with adjusting nut before the through hole of described foregrip lower end, the adjusting nut front end is embedded with embedded nut, before pre-installed round pin of blind rivet passed the back angle ratchet of adjusting saw blade sawing angle, preceding angle ratchet, front spring, overlapped in preceding to front sequence, and this pre-installed round pin end then the embedding hoop in the square groove mouth that adjusting nut is shaped on; The described back angle ratchet that is sleeved in pre-installed the round pin matches with preceding angle ratchet, and is mounted in the through hole of foregrip lower end through pre-installed round pin rear end shoulder.

For optimizing technique scheme, the measure of being taked also comprises:

Finish the conversion of sawing angle random for convenience, adjusting nut and back angle ratchet, preceding angle ratchet, front spring, preceding interior cooperating of overlapping can reach 0 to 360 degree rotation location; And this adjusting nut edge is shaped on 0 to the 360 degree graduated ring of being convenient to rotate saw blade, to satisfy the different needs that use.

Compared with prior art, the present invention one is by being located at two LED bulbs in the support body upper beam bottom outlet, is located at the battery case of the inserted button cell in the side opening of handle upper end, back, and battery case is provided with switch; Before the LED lamp and afterwards the LED lamp be connected with button cell with lead respectively, and form a closed-loop path, make bulb luminous or extinguish, realize accurate orientation cutting position; The 2nd, by being located at the adjusting spanner of handle lower end, back, regulate in the spanner and be provided with a floatless switch,, regulate spanner and link to each other by a steady pin with movable sleeve to make things convenient for the secured adjusted spanner, movable sleeve is connected with a split washer with back blind rivet bar loading later round pin, with convenient mounting or dismounting saw blade; The foregrip front end is provided with an adjusting nut, and pre-installed round pin of adjusting nut and preceding blind rivet matches, and only need regulate nut in advance during use, behind the saw blade of packing into, will regulate spanner and up one press, and can make saw blade be in tension; The 3rd, by the angle ratchet pair in the middle of pre-installed round pin of blind rivet before being located at, can reach 0 to 360 degree rotation location at random.This handsaw has loading and unloading saw blade safe ready, sawing accurate positioning, the advantage that sawing angle adjustment scope is big.

Description of drawings

Fig. 1 is the local cross-sectional structural representation of the present invention;

Fig. 2 is each parts assembling schematic diagram among Fig. 1;

Fig. 3 is the equipped schematic diagram of existing patent.

The specific embodiment

Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.

Structure of the present invention is seen shown in the accompanying drawing 1,2.Hand saw capable of light guiding orientation cutting comprises the support body 26 through casting forming, and support body 26 has foregrip 26a, upper beam 26b and back handle 26c; Its material of main part is that aluminium alloy is through the die casting once-forming.LED lamp 23 and back LED lamp 22 before in upper beam 26b bottom outlet, being provided with, at the embedded battery case 20 that can insert button cell 21 that is equipped with of back handle 26c upper end side opening, battery case 20 limits are provided with the push button switch that can control button cell 21 break-makes; Preceding LED lamp 23 is connected with button cell 21 and push button switch with lead respectively with back LED lamp 22, forms a closed-loop path, to reach leaded light sawing positioning function;

Back handle 26c lower end is fitted with a monkey wrench 16, and the notch that monkey wrench 16 rear portions have is embedded with and can turns round 9 floatless switch that fasten 18 with handle 26c lower end, back card; The notch that bottom, monkey wrench 16 back has is equipped with the switch spring 17 that plays positioning action, the upper end of switch spring 17 is tight against floatless switch 18 front bottom end, monkey wrench 16 two bottom sides are shaped on downward extension respectively and have picking up the ears of through hole, 16 liang of through holes of picking up the ears of monkey wrench and rear end are shaped on the movable sleeve 14 of through hole by steady pin 15 pin joints, the bar loading later round pin 24a of back blind rivet 24 penetrates the rear spring 11 that is positioned at back cover 10, and with movable sleeve 14 front ends that penetrate rear spring 11 apical grafting mutually, in the through hole that handle 26c lower end is shaped on after inserting again, movable sleeve 14 rear ends are embedded with split washer 12; Two of the rear end of back handle 26c lower end through hole and monkey wrench 16 is provided with lining ring 13 between picking up the ears; Common cooperation can play the saw blade tension and unclamp effect;

Be provided with adjusting nut 2 before the through hole of foregrip 26a lower end, adjusting nut 2 front ends are embedded with embedded nut 1, before pre-installed round pin 25a of blind rivet 25 passed the back angle ratchet 5 of adjusting saw blade sawing angle, preceding angle ratchet 6, front spring 4, overlapped 3 in preceding to front sequence, and this pre-installed round pin 25a end then the embedding hoop in the square groove mouth that adjusting nut 2 is shaped on; The described back angle ratchet 5 that is sleeved in pre-installed the round pin 25a matches with preceding angle ratchet 6, and is mounted in the through hole of foregrip 26a lower end through pre-installed round pin 25a rear end shoulder.Finish the conversion of sawing angle random for convenience, adjusting nut 2 and back angle ratchet 5, preceding angle ratchet 6, front spring 4, preceding in the cooperating of cover 3, can reach 0 to 360 degree rotation location; And these adjusting nut 2 edges are shaped on 0 to the 360 degree graduated ring of being convenient to rotate saw blade, to satisfy the different needs that use.

Raise cover plate 19, instantly push away floatless switch 18, floatless switch 18 compression switch springs 17, floatless switch 18 breaks away from handle 26c lower end, back card and turns round 9, movable rolling cover 16 unclamps under the elastic force effect of rear spring 11 automatically, by preceding blind rivet 25 and back blind rivet 24 saw blades is installed, and adjustable nut 2 and back angle ratchet 5, preceding angle ratchet 6, front spring 4, overlaps 3 cooperate in preceding, can reach 0 to 360 degree rotation location, regulate the sawtooth angle immediately and regulate the saw blade tightness; Upwards press monkey wrench 16, cover cover plate 19, floatless switch 18 is under the elastic force effect of switch spring 17, and handle 26c lower end, floatless switch 18 engaging back card turns round 9, and fixedly monkey wrench 16, make saw blade be in the tension duty.

It is safe and efficient that this handsaw has the loading and unloading saw blade, sawing accurate positioning, the advantage that sawing angle adjustment scope is big.

Though the present invention illustrates and describes by the reference preferred embodiment,, those skilled in the art should understand, and in the scope of claims, can do the various variation on form and the details.

Claims

1, hand saw capable of light guiding orientation cutting comprises the support body (26) through casting forming, and support body (26) has foregrip (26a), support body is put the beams in place (26b) and back handle (26c); It is characterized in that:

A. LED lamp (23) and back LED lamp (22) before being provided with in described support body upper beam (26b) bottom outlet, the embedded battery case (20) that can insert button cell (21) that is equipped with of described back handle (26c) upper end side opening, battery case (20) limit is provided with the push button switch that can control button cell (21) break-make; Preceding LED lamp (23) uses lead to be connected with button cell (21) and push button switch respectively with back LED lamp (22), and forms a closed-loop path;

B. handle (26c) lower end, described back is fitted with a monkey wrench (16), and the notch that monkey wrench (16) rear portion has is embedded with and can turns round the floatless switch (18) that (9) fasten with handle (26c) lower end, back card; The notch that bottom, monkey wrench (16) back has is equipped with the switch spring (17) that plays positioning action, the upper end of switch spring (17) is tight against floatless switch (18) front bottom end, monkey wrench (16) two bottom sides is shaped on downward extension respectively and has picking up the ears of through hole, and the movable sleeve (14) that through hole that monkey wrench (16) two is picked up the ears and rear end are shaped on through hole is by steady pin (15) pin joint; The bar loading later round pin (24a) of back blind rivet (24) penetrate the rear spring (11) that is positioned at back cover (10) and with the movable sleeve that penetrates rear spring (11) (14) front end apical grafting mutually, insert again in the through hole that back handle (26c) lower end is shaped on; Movable sleeve (14) rear end is embedded with split washer (12), and two of the rear end of back handle (26c) lower end through hole and monkey wrench (16) is provided with lining ring (13) between picking up the ears;

C. be provided with adjusting nut (2) before the through hole of described foregrip (26a) lower end, adjusting nut (2) front end is embedded with embedded nut (1), before pre-installed the round pin (25a) of blind rivet (25) passed the back angle ratchet (5), preceding angle ratchet (6), front spring (4) of adjusting saw blade sawing angle, overlapped (3) in preceding to front sequence, and this pre-installed round pin (25a) end then the embedding hoop in the square groove mouth that adjusting nut (2) is shaped on; The described back angle ratchet (5) that is sleeved in pre-installed the round pin (25a) matches with preceding angle ratchet (6), and in pre-installed round pin (25a) rear end shoulder is mounted in foregrip (26a) lower end through hole.

2, hand saw capable of light guiding orientation cutting according to claim 1 is characterized in that: described adjusting nut (2) and back angle ratchet (5), preceding angle ratchet (6), front spring (4), preceding interior overlapping cooperating of (3) can reach 0 to 360 degree rotation location; And this adjusting nut (2) edge is shaped on 0 to the 360 degree graduated ring of being convenient to rotate saw blade.