CN203738150U

CN203738150U - Multipurpose foldable hand saw

Info

Publication number: CN203738150U
Application number: CN201320871130.3U
Authority: CN
Inventors: 蒋明基
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-12-27
Filing date: 2013-12-27
Publication date: 2014-07-30
Anticipated expiration: 2023-12-27

Abstract

The utility model relates to the field of ironmongery manufacture, in particular to a multipurpose foldable hand saw which comprises a handle, a saw bow assembly and a saw blade arranged on the handle, wherein a clamper is arranged at one end of the saw bow assembly, and the other end of the saw bow assembly is hinged to the handle so that the saw bow assembly and the handle can be folded or unfolded in an angled mode. A locker is movably connected with the handle. During folding of the saw bow assembly, the locker moves gradually due to compression of the saw bow assembly and gradually moves close to and compresses the saw blade simultaneously. Under the state that the saw bow assembly is unfolded, the clamper fixes the saw blade. The saw bow assembly and the handle can be folded and unfolded; when the saw bow assembly and the handle are folded, the saw blade with a small dimension can be arranged; when the saw bow assembly and the handle are unfolded, the saw blade with a large dimension can be arranged; the saw blade can be fixed through the locker and the clamper respectively when the saw bow assembly and the handle are folded and unfolded, and stability of different saw blades during operation can be ensured effectively.

Description

A kind of folding type multi-purpose handsaw

Technical field

The utility model relates to brightwork class and manufactures field, relates in particular to a kind of folding type multi-purpose handsaw.

Background technology

In our daily life, especially in the time carrying out handwork, often can need to use various cutting tools, and saw cutter is the most frequently used cutting tool, in prior art, such instrument generally includes saw bow and is removably mounted on the saw blade on saw bow, but such saw bow generally only can be installed a kind of saw blade of specific dimensions, but in the time of handwork, often need to use different saw blades, because saw blade on the market has sizes, therefore people often must carry multiple saw bow in use, therefore caused trouble, people wish that a kind of saw bow can use the saw blade of sizes simultaneously, simplify the process of handwork, increase the practicality of saw bow.

Utility model content

The utility model aims to provide the collapsible and handsaw instrument opened of a kind of saw bow, and by the folding of saw bow with open the saw blade that makes handsaw instrument that different size can be installed, and it is effectively fixing to make handsaw instrument realize the saw blade of different size.

For solving the problems of the technologies described above, the technical solution adopted in the utility model is:

A kind of folding type multi-purpose handsaw, comprise handle, saw bow assembly, and be arranged on the saw blade on handle, described saw bow assembly is articulated with handle and is folded or be angle with described handle by one end and opens, hinged by saw bow assembly and handle, saw bow assembly can be rotated on handle, and on handle, realize the switching of opening with folded state, in addition, the saw bow assembly other end is provided with clamper, on handle, be connected with locker, in saw bow assembly folding process, described locker pressed by saw bow assembly and movable and simultaneously gradually near and press described saw blade, under saw bow assembly folded state, handle is applicable to the shorter saw blade of installation dimension, because saw blade is shorter, therefore utilize locker to press backsaw sheet one end near handle, can more simply and effectively lock backsaw sheet, on the contrary, saw bow assembly is switched to the process of open mode from folding, and saw bow assembly discharges and gradually away from locker, and locker is lost from after the exerting pressure of saw bow assembly and then no longer saw blade is pressed, and saw blade is taken out, in addition, under saw bow assembly open mode, the saw blade that handle can installation dimension be grown, long saw sheet is waved by external force in use easily, therefore, the clamper of the end of saw bow assembly clamps saw blade in the position away from handle, be equivalent to long saw sheet except end be subject to handle fixing, its middle part or more the saw blade part of distant positions are also subject to the fixing of clamper, fixing by 2, long saw sheet is able to effectively fixing, to ensure long saw sheet stability in the course of the work.

Preferably, described locker is lever piece, the supporting-point of described lever piece is hinged on handle, and one end is pressed and deflection by saw bow assembly, the other end is followed deflection and is pressed described saw blade, by be hinged with lever piece on handle, lever piece can be rotated on handle, saw bow assembly moves closer to locker from open the process that is switched to folded state, finally press one end of lever piece and promote lever piece deflection, after lever piece deflection, the other end is followed deflection and is compressed saw blade simultaneously, by the rotation of lever rod member, make saw bow inter-module ground connection fix saw blade, improve saw blade stability in the course of the work.On the contrary, saw bow assembly is switched to the process of open mode from folding, and saw bow assembly discharges and gradually away from lever piece, and lever piece one end is lost from after the exerting pressure of saw bow assembly and then no longer saw blade is pressed.

Further, described locker is " L " shape bar, " L " shape bar comprises cross bar and montant, described cross bar is controlled by described saw bow assembly, described montant end is provided with barb, described barb is positioned at the side of saw blade, saw bow assembly is from opening the process that is switched to folded state, saw bow assembly gradually near and press the cross bar of " L " shape bar, after cross bar pressurized, drive the deflection of " L " shape bar entirety, and make the montant of " L " shape bar follow deflection and move closer to saw blade, finally make the barb of montant end compress saw blade.

Further, described saw bow assembly divides and is provided with top briquetting in hinged end, described top briquetting with saw bow assembly gradually folding and gradually near and press described locker, saw bow assembly is from opening the process that is switched to folded state, the top briquetting of saw bow assembly moves closer to " L " shape bar cross bar, after cross bar pressurized, drive the deflection of " L " shape bar entirety, and make the montant deflection of " L " shape bar and move closer to saw blade, finally make the barb of montant end compress saw blade.

Alternatively, described clamper comprises locking part, chuck, and run through the connecting pin of described chuck, described locking part is arranged on a side of chuck and is articulated with connecting pin in the radial direction of connecting pin, be provided with projection at locking part near a side of chuck, projection rotates with locking part and presses chuck and makes its clamping, and according to prior art, chuck generally possesses the function clamping with release, therefore, in said structure, in the time that rotating on connecting pin, locking part drives in the lump projection, projection can be with rotating gradually near and pressing chuck, chuck is clamped, in like manner, in the time that projection rotates backward gradually away from chuck, chuck is because of the no longer stressed release conditions that return to.

Preferably, be provided with joint fastener at the afterbody of handle, under saw bow assembly folded state, clamper can clamp described joint fastener, and saw bow assembly can be fixed on handle.

Further, in described handle, be provided with the first middle level part, part both sides, described middle level are respectively arranged with backsaw mounting groove and long saw mounting groove, described locker is arranged on backsaw mounting groove, the saw blade clamping face place of described long saw mounting groove and described clamper at grade, with the linearity that ensures that saw blade is installed, further ensure the stability of saw blade work.

Preferably, on described the first middle level part, be provided with shell fragment, a side that is positioned at backsaw mounting groove on shell fragment is connected with pinning, on described handle, be also provided with the controll block of pressing described shell fragment, shell fragment one end is fixed on the first middle level part, the other end is controlled by controll block and drives described pinning to move in the axial direction, in the time that needs are installed saw blade, by Manual press controll block, controll block moves and presses the movable end of shell fragment, make pinning shift out backsaw mounting groove with shell fragment, allow saw blade be fit into backsaw mounting groove, when controll block no longer compresses shell fragment, make shell fragment resilience and again drive pinning to get back to backsaw mounting groove, pinning is through the installing hole of saw blade simultaneously, saw blade is located in saw mounting groove.

Alternatively, the side that is positioned at the first middle level part in described handle is also provided with the second middle level part, on described the second middle level part, be provided with guide rail, on guide rail, be provided with Jie's knife assembly, the knife assembly of giving an account of comprises tool rest, blade in tool rest, and be connected in the push button of tool rest, by promoting push button, can drive tool rest slippage in the guide rail of middle level part, thereby the extension elongation of adjustable blade on handle, in addition, Jie's knife assembly is set on handsaw, further increased the purposes of handsaw, greatly strengthen the practicality of handsaw, the crowd who is particularly suitable for Furniture manufacture and is engaged in finishing, further, described blade one side offers locating slot, the side of described tool rest is provided with elastic arm, elastic arm end is provided with the barb that buckles into described locating slot, the arranged outside that is positioned at elastic arm on described handle has unlocking device, unlocking device the inner is described elastic arm immediately, elastic arm moves with being pressed into/discharging of unlocking device, and drive barb away from/buckle into described locating slot, under original state, the barb of elastic arm buckles into blade locating slot fixed blade, when the unlocking device of pressing on handle, unlocking device moves down and promotes elastic arm and moves down, make barb leave locating slot, finally make blade be released, so that the replacing of blade.

Compared with prior art, the beneficial effects of the utility model are: the utility model is hinged by saw bow assembly and handle, and saw bow assembly can be rotated on handle, realize the switching of opening with folded state on handle; Under saw bow assembly folded state, handle can the shorter saw blade of installation dimension, and in saw bow assembly folding process, described locker pressed by saw bow assembly and movable and simultaneously gradually near and press described saw blade, saw blade can be obtained effectively fixing; When saw bow switch between components is to open mode, the saw blade that handle can installation dimension be grown, and by the clamper on saw bow assembly, the saw blade of longer dimension is realized effectively fixing, to ensure long saw sheet stability in the course of the work.

Brief description of the drawings

Fig. 1 is the overall structure schematic diagram of the utility model folded state.

Fig. 2 is the internal structure schematic diagram of the utility model folded state.

Fig. 3 is the overall structure schematic diagram of the utility model open mode.

Fig. 4 is the overall structure schematic diagram of the utility model open mode.

Fig. 5 is the explosive view of the utility model internal structure.

Fig. 6 is the structural representation of the utility model Jie knife assembly.

Fig. 7 is the structural representation that the utility model is switched to cutting state.

Detailed description of the invention

Below in conjunction with detailed description of the invention, the utility model is further described.Wherein, accompanying drawing is only for exemplary illustration, expression be only schematic diagram, but not pictorial diagram can not be interpreted as the restriction to this patent; For embodiment of the present utility model is described better, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product; For a person skilled in the art, in accompanying drawing some known features and explanation thereof may to omit be understandable.

The corresponding same or analogous parts of same or analogous label in the accompanying drawing of the utility model embodiment; In description of the present utility model, it will be appreciated that, if have term " on ", the orientation of the instruction such as D score, " left side ", " right side ", " vertically ", " level " or position relationship be for based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, construct and operation with specific orientation, therefore in accompanying drawing, describe the term of position relationship only for exemplary illustration, can not be interpreted as the restriction to this patent.

In addition, if having the term such as " first ", " second " only for describing object, and instruction or hint relative importance can not be interpreted as, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.

As shown in Fig. 1 ~ 7, a kind of folding type multi-purpose handsaw, comprise handle 1, saw bow assembly 2, and be arranged on the saw blade 3 on handle 1, saw bow assembly 2 one end are provided with top briquetting 21, the other end is provided with clamper 4, in handle 1, be provided with the first middle level part 6, the first middle level part 6 both sides are respectively arranged with backsaw mounting groove 61 and long saw mounting groove 62, long saw mounting groove 62 is for installing 12 cun of saw blades 31, backsaw mounting groove 61, for 7 cun of saw blades 32 are installed, is provided with separately the alignment pin for saw blade 3 is installed on two mounting grooves.The top briquetting 21 of saw bow assembly 2 is hinged on backsaw mounting groove 61 and can rotates around jointed shaft, cause saw bow assembly 2 can optionally be folded to handle 1 or open from handle 1, be that saw bow assembly 2 can be realized open mode and folded state on handle 1, be provided with joint fastener 11 at the afterbody of handle 1, under saw bow assembly 2 folded states, clamper 4 clamps joint fastener 11, realizes the fixing of saw bow assembly 2.On backsaw mounting groove 61, be provided with the locker 5 of one " L " shape bar, " L " shape locker 5 comprises cross bar 51 and montant 52, montant 52 is hinged on backsaw mounting groove 61, make " L " shape locker 5 can be around jointed shaft free deflection, montant 52 end inner sides are provided with barb 521, under saw bow assembly 2 folded states, after saw bow assembly 2 is fixing, top briquetting 21 presses closer cross bar 51 ends of " L " shape locker, make whole " L " shape locker around jointed shaft deflection, thereby cause the side of barb 521 fastening saw blades 3, rotate and leave gradually after the cross bar 51 of " L " shape locker 5 when saw bow assembly 2 drives top briquetting 21, no longer fastening saw blade 3 of the barb 521 of montant 52, so that saw blade 3 is dismantled.In addition, on the first middle level part 6, be provided with shell fragment 63, a side that is positioned at backsaw mounting groove 61 on shell fragment 63 is connected with pinning 64, on handle 1, be also provided with the controll block 12 of pressing described shell fragment 63, shell fragment 63 one end are fixed on the first middle level part 6, the other end is controlled by controll block 12 and drives described pinning 64 to move in the axial direction, in the time that needs are installed saw blade 3, by Manual press controll block 12, controll block 12 moves and presses the movable end of shell fragment 63, make pinning 64 shift out backsaw mounting groove 61 with shell fragment 63, allow saw blade 3 be fit into backsaw mounting groove 61, when controll block 12 no longer compresses shell fragment 63, make shell fragment 63 resiliences and again drive pinning 64 to get back to backsaw mounting groove 61, pinning 64 is through the installing hole of saw blade 3 simultaneously, saw blade 3 is located in saw mounting groove.

Clamper 4 comprises locking part 41, chuck 42, and run through the connecting pin 43 of described chuck 42, locking part 41 is hinged with connecting pin 43 ends in the radial direction at connecting pin 43 by a bearing pin 400, so that locking part 41 can be in the rotation in the radial direction of connecting pin 43.Chuck 42 comprises two clamping plates 401, between clamping plate, be provided with back-up block 402, locking part 41 is provided with projection 412 in the outer fix near clamping plate 401, and locking part 41 is also provided with in outer end controls spanner 403, rotate around bearing pin 400 by controlling spanner 403 trip lock products 41, make projection 412 follow deflection and press closer clamping plate 401 at side, impel two clamping plates taking back-up block 402 as fulcrum adjacent to each other, chuck 42 enters clamped condition, on the contrary, locking part 41 is rotated further, projection 412 is with its deflection and away from after clamping plate 401, projection 412 no longer presses clamping plate 401, locking part 41 recovers initial position, because clamping plate 401 have resilience for metal material, finally impel two clamping plates 401 to reset, chuck 42 enters release conditions.Under saw bow assembly 2 folded states, by the control of locking part 41, the joint fastener 11 of chuck 42 clamping lever 1 afterbodys of clamper 4, facilitate saw bow assembly 2 to be accommodated on handle 1, under saw bow assembly 2 open modes, 12 cun of saw blades 3 are arranged on the long saw mounting groove 62 of middle level part, on long saw mounting groove 62, be provided with the locating pin being connected with saw blade 3, clamper 4 clamps the part of saw blade 3 away from handle 1 by two clamping plate, to stablize saw blade 3, and lock two clamping plate 401 by locking part 41, make chuck 42 keep clamped condition, in addition, saw blade 3 clamping faces of chuck 42 and long saw mounting groove 62 places are at grade, with the linearity that ensures that saw blade 3 is installed.

The side that is positioned at the first middle level part 6 in handle 1 is also provided with the second middle level part 7, on the second middle level part 7, be provided with guide rail 71, on guide rail 71, be provided with Jie's knife assembly 8, Jie's knife assembly 8 comprises the blade 82 in tool rest 81, tool rest 81 and is connected in the push button 83 of tool rest 81, by promoting push button 83, can drive the guide rail 71 interior slippage of tool rest 81 at middle level part, thereby the extension elongation of adjustable blade 82 on handle 1, in addition, on handle 1, a side of corresponding tool rest 81 offers and dodges groove 100, and user can control push button 83 by dodging groove 100.Simultaneously, offer locating slot 821 in blade 82 1 sides, the side of tool rest 81 is provided with elastic arm 811, elastic arm 811 ends are provided with the back-off 812 that buckles into described locating slot 821, the arranged outside that is positioned at elastic arm 811 on described handle 1 has unlocking device 9, unlocking device 9 the inners are described elastic arm 811 immediately, elastic arm 811 moves with being pressed into/discharging of unlocking device 9, and drive back-off 812 away from/buckle into described locating slot 821, under original state, the back-off 812 of elastic arm 811 buckles into blade 82 locating slot 821 fixed blades 82, when the unlocking device 9 of pressing on handle 1, unlocking device 9 moves down and promotes elastic arm 811 and moves down, make back-off 812 leave locating slot 821, finally make blade 82 be released, so that the replacing of blade 82.

The operation principle of the present embodiment is: in the time that needs use 12 cun of long saws, open saw bow assembly 2, make saw bow assembly 2 and handle 1 be 180 degree angle deployed conditions, then 12 cun of long saws are packed into the long saw mounting groove 62 of the first middle level part 6, then the clamper 4 of saw bow assembly 2 clamps 12 cun of saw blades 3, and locks by the locking part 41 on clamper 4, in the time that needs use 7 cun of backsaws, remove 12 cun of saw blades 3, and first 7 cun of backsaws are packed into the backsaw mounting groove 61 of the first middle level part 6, then rotate saw bow assembly 2, make the top briquetting 21 of saw bow assembly 2 follow rotation and rotate toward " L " shape locker 5 directions gradually, until top briquetting 21 compresses cross bar 51 ends of " L " shape locker, after the 5 pressurized deflections of " L " shape locker, the back-off 812 of montant 52 ends is at 7 cun of saw blades 3 of side fastening, locking saw blade 3 is also strengthened saw blade 3 stability in the course of the work, meanwhile, the joint fastener 11 of clamper 4 clamping lever 1 afterbodys of saw bow assembly 2 other ends.In the time that needs use Jie's cutter function, remove saw blade 3 and keep the folded position of saw bow assembly 2, then release tool rest 81 and blade 82 by the push button 83 on handle 1, carry out cutting work, therefore handsaw not only can be installed the function of sizes saw blade 3, also, by Jie's knife assembly 8 is set on handsaw, has further increased the purposes of handsaw, greatly strengthen the practicality of handsaw, the crowd who is particularly suitable for Furniture manufacture and is engaged in finishing.

Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description, here without also giving exhaustive to all embodiments.All any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in the protection domain of the utility model claim.

Claims

1. a folding type multi-purpose handsaw, comprise handle (1), saw bow assembly (2), and be arranged on the saw blade (3) on handle (1), it is characterized in that, described saw bow assembly (2) one end is provided with clamper (4), the other end is articulated with handle (1), so that folding or be angle with handle (1), opens by saw bow assembly (2), on handle (1), be also connected with locker (5), in saw bow assembly (2) folding process, described locker (5) pressed by saw bow assembly (2) and movable and simultaneously gradually near and press described saw blade (3), under saw bow assembly (2) open mode, described clamper (4) is fixed described saw blade (3).

2. folding type multi-purpose handsaw according to claim 1, it is characterized in that, described locker (5) is lever piece, and the supporting-point of described lever piece is hinged on handle (1), and one end is pressed and deflection by saw bow assembly (2), the other end is followed deflection and is pressed described saw blade (3).

3. folding type multi-purpose handsaw according to claim 2, it is characterized in that, described lever piece is " L " shape bar, " L " shape bar comprises cross bar (51) and montant (52), described cross bar (51) is controlled by described saw bow assembly (2), described montant (52) end is provided with barb (521), and described barb (521) is positioned at the side of saw blade (3).

4. folding type multi-purpose handsaw according to claim 1, it is characterized in that, described saw bow assembly (2) divides and is provided with top briquetting (21) in hinged end, described top briquetting (21) with saw bow assembly (2) gradually folding and gradually near and press described locker (5).

5. folding type multi-purpose handsaw according to claim 1, it is characterized in that, described clamper (4) comprises locking part (41), chuck (42), and run through the connecting pin (43) of described chuck (42), described locking part (41) is arranged on a side of chuck (42) and is articulated with connecting pin (43) in the radial direction of connecting pin (43), be provided with projection (412) at locking part (41) near a side of chuck (42), projection (412) rotates with locking part (41) and presses chuck (42) and makes its clamping.

6. folding type multi-purpose handsaw according to claim 1, is characterized in that, is provided with joint fastener (11) at the afterbody of handle (1), and under saw bow assembly (2) folded state, clamper (4) clamps described joint fastener (11).

7. folding type multi-purpose handsaw according to claim 1, it is characterized in that, in described handle (1), be provided with the first middle level part (6), described the first middle level part (6) both sides are respectively arranged with backsaw mounting groove (61) and long saw mounting groove (62), described locker (5) is arranged on backsaw mounting groove (61), saw blade (3) the clamping face place of described long saw mounting groove (62) and described clamper (4) at grade, with the linearity that ensures that saw blade (3) is installed.

8. folding type multi-purpose handsaw according to claim 7, it is characterized in that, on described the first middle level part (6), be provided with shell fragment (63), a side that is positioned at backsaw mounting groove (61) on shell fragment (63) is connected with pinning (64), on described handle (1), be also provided with the controll block (12) of pressing described shell fragment (63), it is upper that shell fragment (63) one end is fixed on the first middle level part (6), and the other end is controlled by controll block (12) and drives described pinning (64) to move in the axial direction.

9. according to the folding type multi-purpose handsaw described in claim 1 ~ 8 any one, it is characterized in that, the side that is positioned at the first middle level part (6) in described handle (1) is also provided with the second middle level part (7), on described the second middle level part (7), be provided with guide rail (71), on guide rail (71), be provided with Jie's knife assembly (8).

10. folding type multi-purpose handsaw according to claim 9, it is characterized in that, institute's knife assembly of giving an account of (8) comprises tool rest (81), blade (82) in tool rest (81), and be connected in the push button (83) of tool rest (81), described blade (82) one sides offer locating slot (821), the side of described tool rest (81) is provided with elastic arm (811), elastic arm (811) end is provided with the back-off (812) that buckles into described locating slot (821), the arranged outside that is positioned at elastic arm (811) on described handle (1) has unlocking device (9), immediately described elastic arm (811) of unlocking device (9) the inner, elastic arm (811) moves with being pressed into/discharging of unlocking device (9), and drive back-off (812) away from/buckle into described locating slot (821).