CN206455761U - A kind of durable balance handsaw - Google Patents

Abstract

The utility model is related to tool equipment field, and in particular to a kind of durable balance handsaw.The utility model technical scheme is that：A kind of stress balance handsaw, saw blade comprising saw frame, on saw frame and the lever being connected with the saw frame, the lever includes the reinforcing sleeve for being used for holding for user, and the reinforcing sleeve includes the main internal layer made by hardware material, the elastic layer by software supporting substances and is located at the adsorption layer being made up outside the elastic layer of absorbent material successively from inside to outside；The bolster for compensator or trimmer pressure is provided between the main internal layer and the elastic layer, the bolster is multiple, circularize setting the purpose of this utility model and be to provide a kind of durable balance handsaw, high with workman's hand compactness, enhancing pushes away the stability of saw blade motion track during saw, lift safety coefficient, a part of stress of handsaw is transferred to shoulder, alleviates hand fatigue, and lever internal layer has carried out specially treated, durability is high, and human comfort's degree is also high.

Description

A kind of durable balance handsaw

Technical field

The utility model is related to tool equipment field, and in particular to a kind of durable balance handsaw.

Background technology

Hand saws, because it lightly flexibly, is fast used, is a common instrument, as people house instrument and factory Industry tools.Hand saws includes support, lever and saw blade, and common structure such as publication No. is special for the A of CN 103878438 China Structure disclosed in sharp file, saw blade treats processing object in the presence of people's thrust and carries out sawization cutting.For another example notification number is A kind of back detachable hand saw that 100546746C Chinese patent document is announced, is carried out for the connected mode of saw blade and operation simultaneously Optimization so that the dismounting and fastening of saw blade become more convenient.

But such structure still has certain deficiency, the use of handsaw fully relies on manpower cutting, with putting forth effort Exhaust, the action of cutting has deformation, and the track for pushing away saw has deviation, on the one hand, the section of cutting has not neat situation and gone out It is existing, on the other hand, it may appear that the situation that oarsman even slips out of the hand, cause potential safety hazard.

In addition, traditional pushes away saw work, all it is to be had an effect by the hand of workman.Prolonged simple hand exerts oneself that hand can be aggravated The fatigue burden in portion.

Push away saw action due to prolonged, problems can be produced in the handle portion of handsaw, for example go out hand perspiration, skating, The harder opponent's of lever holding does not accommodate injury.

Utility model content

The purpose of this utility model is to provide a kind of durable balance handsaw, high with workman's hand compactness, and enhancing, which is pushed away, sawed The stability of saw blade motion track in journey, lifts safety coefficient, and a part of stress of handsaw is transferred to shoulder, alleviates hand tired Labor, lever internal layer has carried out specially treated, and durability is high, and human comfort's degree is also high.

Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of durable balance hand Saw, saw blade comprising saw frame, on saw frame and lever be connected with the saw frame, the lever with saw frame comprising being connected Connecting portion, be connected with the connecting portion, into curve, and the back of the hand contact part for being contradicted with operator's the back of the hand and with described the back of the hand The upper stopper of contact part connection, the upper stopper is gradually tilted upward by away from the back of the hand contact part direction；Described the back of the hand Contact part is provided with the steady back piece for being used for fixing the back of the hand, and the upper stopper is provided with for increasing hand into gap between finger Refer to the crack piece of stability.Also include the shoulder protector for being used for being worn on operator's shoulder and the company for connecting the shoulder protector and the saw frame Splicing, the connecting rope is connected comprising the soft body that is made up and is connected with the shoulder protector of soft material and with the soft body Hardware portion, the hardware portion is connected with saw frame.The lever includes the reinforcing sleeve for being used for holding for user, and the reinforcing sleeve is from interior To outside successively comprising made by hardware material main internal layer, the elastic layer by software supporting substances and be located at outside the elastic layer by The adsorption layer that absorbent material is made；The bolster for compensator or trimmer pressure is provided between the main internal layer and the elastic layer, it is described Bolster is multiple, circularizes and is provided with the indent deformation groove caved inward in circular arc, the bullet in the middle part of setting, the bolster Property one side from aspect to the adsorption layer be provided with multiple friction balls.

As it is of the present utility model preferably, the shoulder protector includes multiple monolithics, and the monolithic is curved, is opened on the monolithic Provided with air-vent, fixed block is provided with below the monolithic, the fixed block is provided with the rubbing surface of undulate.

As it is of the present utility model preferably, the saw frame be provided with cutter device and the behaviour for controlling the cutter device Switch；The cutter device includes the rotating seat being rotatably connected on the saw frame, the extension being hinged on the rotating seat Post and the cutter for being connected to the extending column end；The cutter is comprising drill bit and multiple is detachably connected on extending column Grinding, the drill bit is located in the middle of multiple grindings, the promising extending column is opened up on the rotating seat rotates and provide empty Between appearance post groove.

The saw blade is arranged on the saw frame, for cutting object.The hand-held lever of user is operated, the company Socket part and saw blade connection, and the connecting portion is connected with the saw frame, the back of the hand contact part is into curve, and fit user The back of the hand position, and the upper stopper then clasps four fingers of user, increases stability.

Further, the back of the hand contact part is provided with the steady back piece, the steady back piece increase and user's the back of the hand Rub anti-skid factor, increases the stability of the back of the hand, so as to increase polarization of the whole handsaw in saw action is pushed away.Further , the crack piece could be arranged to multiple in actual production, and such as three, four fingers have three cracks, the folder Patch is put into these three finger cracks, is clamped for finger, is further increased skid resistance.

It is very big to the physical fitness requirement of user during handsaw is cut different from common manual labor, and it is basic herein On, user will still use a part of strength to hold handsaw, and which further adds physical demands.And work as and be short of physical strength When, hand shaking or the unstable phenomenon of positioning not only occurs, uneven and damaged products the situation in saw face just occurs, it is more dangerous It is that if slipping out of the hand, sawtooth can hurt oneself, with certain potential safety hazard.So the major design of the technical program is to increase Plus the tightness and stability of hand, especially the back of the hand and finger part, on the one hand it is not easily tied after long working, On the other hand it is not easy skating increase security.

The extending column can be rotated in the appearance post groove, and when only pushing away saw action, the extending column is dug, and is kept away Exempt to interfere.When needing drilling, user turns down the extending column so that the cutter is cut close to such as plank Thing.The Operation switch is pressed, the bit is controlled.It is also equipped with driving the cutter device running on the saw frame Drive device, such as fractional motor and connection circuit, but in order to reduce the weight of whole handsaw, using small size small-power horse Reach.It is described grinding may be selected install, if for example, punching need aperture larger, just install the grinding, multiple grindings Rotate, also the rotatable hole for getting large aperture.Or gone to contact article to be processed with the lateral surface of the grinding, edging is reached, The effect of smooth incisions.

The circulator can be rotated in itself, so as to finely tune the operating angle of the cutter.

In addition, in the present case, ad hoc shoulder protector.The shoulder protector can be worn on the shoulder of user, assume responsibility for a part Power.And the shoulder protector is made up of multiple monolithics, user can adjust the monolithic according to the actual stature situation of oneself Quantity, and multiple monolithics can fold as fan covering of the fan, be easy to store and carry each other.

Multiple air-vents are additionally provided with the monolithic, increase the wearing comfort of user.The fixed block is located at institute Shoulder protector bottom surface, the i.e. one side close to user's shoulder are stated, for increasing stationarity, anti-sliding stop.The bottom surface of the fixed block For the rubbing surface, specifically, being waveform, increase the frictional force with shoulder.

The connecting rope includes two parts, top, i.e., the institute that the part connected with the shoulder protector is made for soft material Soft body is stated, this part possesses certain elasticity, for having certain actionable space during saw is pushed away for user, do not interfered The action of user.And the hardware portion then provides certain supporting role.

The reinforcing sleeve can set length depending on concrete condition, because the cost and technique of reinforcing sleeve are more common than other Part is expensive, and general recommendations manufacturer is positioned only at the part that the hand of user is easily held.The middle main internal layer is hard material, Certain support strength is provided.And during user's grip, hand is the outermost adsorption layer of contact.Hand perspiration can pass through water imbibition Material is siphoned away by the adsorption layer.User is when carrying out pushing away saw, and hand can be held, and easy fatigue is held for a long time, is also held Easily abrade palm.In the present case, the pressure of user is transmitted by the elastic layer, and the elastic layer is elastomeric material, absorbs one Part grip.Bigger grip, the main internal layer is passed to by the bolster.The two sides of the bolster respectively with it is described Main internal layer and the elastic layer are contradicted, and middle part offers the indent deformation groove, and the indent deformation groove is to intermediate recess.By During power, the indent deformation groove can have slight deformation to centre, and this partial pressure is buffered with deformation, so as to reduce human body palm Partial sense of discomfort.

As it is of the present utility model preferably, the rotating seat be provided be used for fix the spacing of the extending column rotational angle Post, the limited post can be inserted into the extending column.

As it is of the present utility model preferably, in addition to servicing unit, the servicing unit is located on the saw frame, comprising clear Clean pipe and the flowline for spraying lubricating oil.

The cleaning pipe be able to can also be sprayed water with jet, for cleaning object surface to be processed.

As it is of the present utility model preferably, the steady back piece includes the main back of the body that is connected on the back of the hand contact part and is located at The curved parcel wing in the main back of the body both sides, the parcel wing is gradually leaned on by away from the main back of the body direction to the upper stopper direction Hold together, the solid bar of the back of the body is convexly equipped with outside the main back.

The main back portion is close to user's the back of the hand, and the parcel wing then wraps the hand of user from both sides, further increase The stress of hand back part is consolidated.The solid bar of the back of the body is filled on the main back of the body and user's the back of the hand, is both increased stability, is increased again and relax Suitable sense and degree of being close to.

As it is of the present utility model preferably, the solid bar of the back of the body of elastomeric material provided with being made up and is used for and the back of the hand friction Rib block.

As it is of the present utility model preferably, the crack piece be three.

As it is of the present utility model preferably, it is outer on the crack piece to be convexly equipped with evagination arc rib, the outer convex arc rib be used for Finger is contradicted.

The outer convex arc rib is outwardly, after user holds, and this part is contradicted on the inside of the finger pulp loss with bending, Laminating is soft, and finger stability is higher.

Link slot is preferably offered on the saw frame as of the present utility model, the saw blade is arranged on the link slot In.

The saw blade is arranged in the link slot, and the difference that user can be as requested is to saw blade progress dismounting and more Change, it is convenient and swift.

Preferably the saw blade includes insert plate and sawtooth as of the present utility model, and insert plate insertion is arranged on institute State in link slot.

As it is of the present utility model preferably, the insert plate be provided with multiple locking pieces, the locking piece include by elasticity There is the positioning hole coordinated with the button column on the bullet seat that material is made and the button column being located on the bullet seat, the link slot.

The insert plate is installed into the link slot, the position of the locking piece just to the relatively described saw frame of the saw blade Maintenance is carried out, the button column enters the positioning hole under the elastic force of bullet seat.In true production, the positioning hole and institute It is multiple to state button column, and polarization is strong, and the saw blade is not in loose shift during saw is pushed away for a long time, it is to avoid reduction work Make efficiency.

Preferably the saw blade includes the body that be connected with the insert plate as of the present utility model, and the sawtooth is connected On the body, the sawtooth includes rough sawn sawtooth and jig saw sawtooth, and the sawtooth arrangement of the jig saw sawtooth is close in described thick Saw the sawtooth arrangement of sawtooth.

As it is of the present utility model preferably, the jig saw sawtooth rough sawn sawtooth is closer to the lever.

The part of the rough sawn sawtooth is adapted to needs and cut energetically, the situation of section, the jig saw sawtooth be adapted into Row fine cut, or small-bore shallow section situation, the jig saw sawtooth be arranged on afterbody, the i.e. position closer to user's hand Put, the hand with user, the distance with the lever is closer to the degree that becomes more meticulous of operation is higher.

In summary, the utility model has the advantages that：

1st, the lever uses particular design, reduces user's physical demands.

2nd, main internal layer provides enough support strengths, and elastic layer provides certain elastic force, link fatigue to palm.

3rd, adsorption layer can absorb the prolonged hand perspiration of user, anti-skidding.

4th, bolster absorbs a part of grip by self-deformation.

5th, the shoulder protector can provide user the support during saw is pushed away, and increase stress balance.

6th, the shoulder protector includes multiple monolithics, easy to adjust, also allows for storage.

7th, the cutter can treat processing object and carry out drilling operation.

8th, the grinding is detachable installs, and the grinding can be used to carry out large-diameter borehole or edging for user.

9th, the flowline and the cleaning pipe can treat respectively processing object surface be lubricated oil sprinkling and with water or Gas is cleaned.

10th, the lever uses particular design, reduces user's physical demands.

11st, the steady back piece and the crack piece further increase the stability with hand hand.

12nd, the saw blade and saw frame are detachably connected.

13rd, the sawtooth includes two kinds of sawtooth of rough sawn and jig saw, and jig saw is closer to user's hand, and refinement is more just It is prompt.

14th, the locking piece can strengthen the stationarity of the saw blade, be difficult displacement.

Brief description of the drawings

Fig. 1 is the schematic diagram of embodiment 1；

Fig. 2 is the schematic diagram that Fig. 1 hides cutter device and shoulder protector；

Fig. 3 is enlarged diagram at Fig. 2A；

Fig. 4 is enlarged diagram at Fig. 2 B；

Fig. 5 is the schematic diagram of lever；

Fig. 6 is the schematic diagram of cutter device in Fig. 1；

Fig. 7 is shoulder protector in Fig. 1 and the schematic diagram of connecting rope；

Fig. 8 is the schematic diagram of monolithic.

Fig. 9 is the side sectional view of reinforcing sleeve；

Figure 10 is the schematic diagram of elastic layer and adsorption layer.

In figure：

1st, saw frame, 11, link slot, 2, saw blade, 21, insert plate, 24, locking piece, 241, bullet seat, 242, button column, 22, this Body, 23, sawtooth, 231, rough sawn sawtooth, 232, jig saw sawtooth, 3, lever, 31, connecting portion, 32, the back of the hand contact part, 33, upper gear Portion, 34, steady back piece, 341, the main back of the body, 342, parcel wing, 35, the solid bar of the back of the body, 351, rib block, 36, crack piece, 361, outer convex arc rib, 4, Cutter device, 41, rotating seat, 411, hold post groove, 42, extending column, 43, cutter, 431, drill bit, 432, grinding, 5, limited post, 6th, servicing unit, 61, cleaning pipe, 62, flowline, 7, Operation switch, 8, shoulder protector, 81, monolithic, 82, air-vent, 83, fixed block, 831st, rubbing surface, 9, connecting rope, 91, soft body, 92, hardware portion, 10, reinforcing sleeve, 101, main internal layer, 102, elastic layer, 1021st, friction ball, 103, adsorption layer, 104, bolster, 1041, indent deformation groove.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but As long as all being protected in right of the present utility model by Patent Law.

Embodiment 1, such as Fig. 1 --- shown in Fig. 5, a kind of durable balance handsaw includes saw frame 1, the saw on saw frame 1 Bar 2 and the lever 3 being connected with saw frame 1, lever 3 are connected comprising the connecting portion 31 being connected with saw frame 1, with connecting portion 31, into curve, And for the back of the hand contact part 32 contradicted with operator's the back of the hand and the upper stopper 33 being connected with the back of the hand contact part 32, upper stopper 33 is pressed Gradually tilted upward away from the direction of the back of the hand contact part 32；The back of the hand contact part 32 is provided with the steady back piece 34 for being used for fixing the back of the hand, Upper stopper 33, which is provided with, is used for the gap between finger so as to increase the crack piece 36 of finger stability.

Saw blade 2 is arranged on saw frame 1, for cutting object.The hand-held lever 3 of user is operated, connecting portion 31 and saw blade 2 Connection, and connecting portion 31 is connected with saw frame 1, the back of the hand contact part 32 is into curve, the back of the hand position for the user that fits, and upper stopper 33 Four fingers of user are then clasped, increase stability.

Further, the back of the hand contact part 32 is provided with steady back piece 34, and the steady increase of back piece 34 is prevented with the friction at user's the back of the hand Sliding coefficient, increases the stability of the back of the hand, so as to increase polarization of the whole handsaw in saw action is pushed away.Further, crack Piece 36 could be arranged to multiple in actual production, and such as three, four fingers have three cracks, and crack piece 36 is put into In these three finger cracks, clamped for finger, further increase skid resistance.

It is very big to the physical fitness requirement of user during handsaw is cut different from common manual labor, and it is basic herein On, user will still use a part of strength to hold handsaw, and which further adds physical demands.And work as and be short of physical strength When, hand shaking or the unstable phenomenon of positioning not only occurs, uneven and damaged products the situation in saw face just occurs, it is more dangerous It is that if slipping out of the hand, sawtooth can hurt oneself, with certain potential safety hazard.So the major design of the technical program is to increase Plus the tightness and stability of hand, especially the back of the hand and finger part, on the one hand it is not easily tied after long working, On the other hand it is not easy skating increase security.

Steady back piece 34 includes the main back of the body 341 being connected on the back of the hand contact part 32 and carries on the back the curved bag in 341 both sides positioned at main Wing 342 is wrapped up in, parcel wing 342 is gradually drawn close in the upward direction of stopper 33 by away from 341 directions of the main back of the body, outer on the main back of the body 341 to be convexly equipped with the back of the body Gu bar 35.

User's the back of the hand is close in 341 parts of the main back of the body, and parcel wing 342 then wraps the hand of user from both sides, further increases hand The stress of back portion is consolidated.The solid bar 35 of the back of the body is filled on the main back of the body 341 and user's the back of the hand, is both increased stability, is increased comfort again With degree of being close to.

Rib block 351 of the solid bar 35 of the back of the body provided with being made up of elastomeric material and for being rubbed with the back of the hand.Crack piece 36 is three. Outer on crack piece 36 to be convexly equipped with evagination arc rib 361, outer convex arc rib is used to contradict with finger.Outer convex arc rib 361 is outwardly, user After holding, this part is contradicted on the inside of the finger pulp loss with bending, is fitted soft, finger stability is higher.

Link slot 11 is offered on saw frame 1, saw blade 2 is arranged in link slot 11.Saw blade 2 is arranged in link slot 11, is used Family can be as requested difference saw blade is carry out demolition and replacement, it is convenient and swift.Saw blade 2 includes insert plate 21 and sawtooth 23, The insertion of insert plate 21 is arranged in link slot 11.Insert plate 21 is provided with multiple locking pieces 24, and locking piece 24 is included by elastic material There is the positioning hole coordinated with button column 242 on the button column 242 expected the bullet being made seat 241 and be located on bullet seat 241, link slot 11.

Insert plate 21 is installed into link slot 11, and locking piece 24 just carries out maintenance, button to saw blade 2 with respect to the position of saw frame 1 Post 242 enters positioning hole under the elastic force of bullet seat 241.In true production, positioning hole and button column 242 are multiple, and polarization is strong, Saw blade 2 is not in loose shift during saw is pushed away for a long time, it is to avoid reduction operating efficiency.

Saw blade 2 includes the body 22 being connected with insert plate 21, and sawtooth 23 is connected on body 22, and sawtooth 23 is sawed comprising rough sawn Tooth 231 and jig saw sawtooth 232, the close sawtooth in rough sawn sawtooth 231 of sawtooth arrangement of jig saw sawtooth 232 are arranged.Jig saw sawtooth 232 Compared with rough sawn sawtooth 231 closer to lever 3.

The part of rough sawn sawtooth 231 is adapted to needs and cut energetically, and the situation of section, jig saw sawtooth 232 is appropriate for Fine cut, or small-bore shallow section situation, jig saw sawtooth 232 be arranged on afterbody, the i.e. position closer to user's hand, with The hand of user, the distance with lever 3 is closer to the degree that becomes more meticulous of operation is higher.

As shown in figures 1 to 6：Saw frame 1 is provided with cutter device 4 and the Operation switch 7 for controlling cutter device 4；Cut Device 4 is cut to include the rotating seat 41 being rotatably connected on saw frame 1, the extending column 42 being hinged on rotating seat 41 and be connected to extension The cutter 43 of the end of post 42；Cutter 43 includes drill bit 431 and multiple grindings 432 being detachably connected on extending column 42, Drill bit 431 is located in the middle of multiple grindings 432, and promising extending column 42 is opened up on rotating seat 41 and rotates the appearance post groove 411 for providing space.

Extending column 42 can be rotated in post groove 411 is held, and when only pushing away saw action, extending column 42 is dug, it is to avoid hair Raw interference.When needing drilling, user turns down extending column 42 so that cutter 43 is close to the cut substrate such as plank.Press Operation switch 7, control drill bit 431 rotates.The drive device for driving cutter device 4 to operate, such as pony are also equipped with saw frame 1 Reach and connect circuit, but in order to reduce the weight of whole handsaw, using small size low-power motor.Peace may be selected in grinding 432 Dress, if for example, punching needs aperture larger, just installing grinding 432, multiple grindings 432 are rotated, also rotatable to get macropore The hole in footpath.Or go to contact article to be processed with the lateral surface of grinding 432, reach edging, the effect of smooth incisions.

Circulator 41 itself can be rotated, so as to finely tune the operating angle of cutter 43.

Rotating seat 41 is provided with the limited post 5 for the securing elongated rotational angle of post 42, and limited post 5 can be inserted into extending column 42。

Also include servicing unit 6, servicing unit 6 is located on saw frame 1, comprising cleaning pipe 61 and for spraying going out for lubricating oil Oil pipe 62.Cleaning pipe 61 be able to can also be sprayed water with jet, for cleaning object surface to be processed.

As shown in Fig. 1, Fig. 7 and Fig. 8：Also include the shoulder protector 8 and connection shoulder protector 8 and saw frame for being used for being worn on operator's shoulder 1 connecting rope 9, connecting rope 9 is connected comprising the soft body 91 that is made up and is connected with shoulder protector 8 of soft material and with soft body 91 Hardware portion 92, hardware portion 92 is connected with saw frame 1.

As it is of the present utility model preferably, shoulder protector 8 includes multiple monolithics 81, and monolithic 81 is curved, is offered on monolithic 81 Air-vent 82, the lower section of monolithic 81 is provided with fixed block 83, and fixed block 83 is provided with the rubbing surface 831 of undulate.

In the present case, ad hoc shoulder protector 8.Shoulder protector 8 can be worn on the shoulder of user, assume responsibility for a part of power.And protect Shoulder 8 is made up of multiple monolithics 81, and user can adjust the quantity of monolithic 81 according to the actual stature situation of oneself, and multiple lists Piece 81, can fold as fan covering of the fan, be easy to store and carry each other.

Multiple air-vents 82 are additionally provided with monolithic 81, increase the wearing comfort of user.Fixed block 83 is located under shoulder protector 81 Bottom surface, the i.e. one side close to user's shoulder, for increasing stationarity, anti-sliding stop.The bottom surface of fixed block 83 is rubbing surface 831, specifically, being waveform, increase and the frictional force of shoulder.

Connecting rope 9 includes two parts, top, i.e., the part connected with shoulder protector 8 is the soft body 91 that soft material is made, This part possesses certain elasticity, for having certain actionable space during saw is pushed away for user, does not interfere user's dynamic Make.And hardware portion 92 then provides certain supporting role.

As shown in Fig. 1, Fig. 9 and Figure 10：Lever 3 include be used for for user hold reinforcing sleeve 10, reinforcing sleeve 10 from it is interior to Include the main internal layer 101 made by hardware material, the elastic layer 102 by software supporting substances successively outside and be located at elastic layer 102 The outer adsorption layer 103 being made up of absorbent material；The bolster for compensator or trimmer pressure is provided between main internal layer 101 and elastic layer 102 104, bolster 104 is multiple, circularizes setting, and the middle part of bolster 104 is provided with the indent deformation groove caved inward in circular arc 1041, the one side of elastic layer 102 towards adsorption layer 103 is provided with multiple friction balls 1021.

Reinforcing sleeve 10 can set length depending on concrete condition, because the cost and technique of reinforcing sleeve 10 are more common than other Part is expensive, and general recommendations manufacturer is positioned only at the part that the hand of user is easily held.Middle main internal layer 101 is hard material, Certain support strength is provided.And during user's grip, hand is the outermost adsorption layer 103 of contact.Hand perspiration can pass through water imbibition Material is adsorbed layer 103 and siphoned away.User is when carrying out pushing away saw, and hand can be held, and easy fatigue be held for a long time, also easily Abrade palm.In the present case, the pressure of user is transmitted by elastic layer 102, and elastic layer 102 is elastomeric material, absorbs a part Grip.Bigger grip, main internal layer 101 is passed to by bolster 104.The two sides of bolster 104 respectively with main internal layer 101 and Elastic layer 102 is contradicted, and middle part offers indent deformation groove 1041, and indent deformation groove 1041 is to intermediate recess.During stress, indent Deformation groove 1041 can have slight deformation to centre, this partial pressure be buffered with deformation, so as to reduce human body palm portion not Suitable sense.

Claims (10)

1. a kind of durable balance handsaw, includes saw frame（1）, installed in saw frame（1）On saw blade（2）With with the saw frame（1）Even The lever connect（3）, it is characterised in that：The lever（3）Comprising with saw frame（1）The connecting portion of connection（31）And the connecting portion （31）Connection, into curve, and the back of the hand contact part for being contradicted with operator's the back of the hand（32）With with the back of the hand contact part（32） The upper stopper of connection（33）, the upper stopper（33）By away from the back of the hand contact part（32）Direction is gradually tilted upward；Institute State the back of the hand contact part（32）It is provided with the steady back piece for being used for fixing the back of the hand（34）, the upper stopper（33）Provided with being used for into starting with Gap between finger is so as to increase the crack piece of finger stability（36）;Also include the shoulder protector for being used for being worn on operator's shoulder（8）With Connect the shoulder protector（8）With the saw frame（1）Connecting rope（9）, the connecting rope（9）Comprising be made up of soft material and with institute State shoulder protector（8）The soft body of connection（91）With with the soft body（91）The hardware portion of connection（92）, the hardware portion（92）With Saw frame（1）Connection, the lever（3）Include the reinforcing sleeve for being held for user（10）, the reinforcing sleeve（10）From inside to outside Successively comprising the main internal layer made by hardware material（101）, by the elastic layer of software supporting substances（102）Be located at the elasticity Layer（102）The outer adsorption layer being made up of absorbent material（103）；The main internal layer（101）With the elastic layer（102）Between be provided with Bolster for compensator or trimmer pressure（104）, the bolster（104）To be multiple, setting, the bolster are circularized（104）In Portion is provided with the indent deformation groove caved inward in circular arc（1041）, the elastic layer（102）Towards the adsorption layer（103）'s Simultaneously it is provided with multiple friction balls（1021）.

2. a kind of durable balance handsaw according to claim 1, it is characterised in that：The shoulder protector（8）Include multiple monolithics （81）, the monolithic（81）It is curved, the monolithic（81）On offer air-vent（82）, the monolithic（81）Lower section is provided with solid Determine block（83）, the fixed block（83）It is provided with the rubbing surface of undulate（831）.

3. a kind of durable balance handsaw according to claim 1, it is characterised in that：The saw frame（1）Provided with cutting dress Put（4）With for controlling the cutter device（4）Operation switch（7）；The cutter device（4）It is described comprising being rotatably connected on Saw frame（1）On rotating seat（41）, be hinged on the rotating seat（41）On extending column（42）Be connected to the extending column （42）The cutter of end（43）；The cutter（43）Include drill bit（431）Extending column is detachably connected on multiple（42） On grinding（432）, the drill bit（431）Positioned at multiple grindings（432）Centre, the rotating seat（41）On open up promising The extending column（42）Rotate the appearance post groove that space is provided（411）.

4. a kind of durable balance handsaw according to claim 3, it is characterised in that：The rotating seat（41）Being provided with is used for The fixed extending column（42）The limited post of rotational angle（5）, the limited post（5）It can be inserted into the extending column（42）.

5. a kind of durable balance handsaw according to claim 1, it is characterised in that：Also include servicing unit（6）, it is described auxiliary Help device（6）Positioned at the saw frame（1）On, include cleaning pipe（61）With the flowline for spraying lubricating oil（62）.

6. a kind of durable balance handsaw according to claim 1, it is characterised in that：The steady back piece（34）Comprising being connected to The back of the hand contact part（32）On the main back of the body（341）With positioned at the main back of the body（341）The curved parcel wing in both sides（342）, institute State parcel wing（342）By away from the main back of the body（341）Direction is gradually to the upper stopper（33）Direction is drawn close, the main back of the body （341）Upper outer be convexly equipped with carries on the back solid bar（35）, the solid bar of the back of the body（35）It is provided with and is made up and is used for and the back of the hand friction of elastomeric material Rib block（351）.

7. a kind of durable balance handsaw according to claim 1, it is characterised in that：The crack piece（36）For three, institute State crack piece（36）Evagination arc rib is convexly equipped with outside upper（361）, the outer convex arc rib be used for and finger contradict.

8. a kind of durable balance handsaw according to claim 1, it is characterised in that：The saw frame（1）On offer connection Groove（11）, the saw blade（2）Installed in the link slot（11）In.

9. a kind of durable balance handsaw according to claim 6, it is characterised in that：The saw blade（2）Include insert plate （21）And sawtooth（23）, the insert plate（21）It is embedded to be arranged on the link slot（11）In.

10. a kind of durable balance handsaw according to claim 9, it is characterised in that：The insert plate（21）Provided with many Individual locking piece（24）, the locking piece（24）Include the bullet seat being made up of elastomeric material（241）Be located at bullet seat（241）On Button column（242）, the link slot（11）On have and the button column（242）The positioning hole of cooperation, the saw blade（2）Comprising with institute State insert plate（21）The body of connection（22）, the sawtooth（23）It is connected to the body（22）On, the sawtooth（23）Comprising Rough sawn sawtooth（231）With jig saw sawtooth（232）, the jig saw sawtooth（232）Sawtooth arrangement it is close in the rough sawn sawtooth（231） Sawtooth arrangement, the jig saw sawtooth（232）The rough sawn sawtooth（231）Closer to the lever（3）.