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CN103394755B - Saw blade clamping device and reciprocating saw thereof - Google Patents

Saw blade clamping device and reciprocating saw thereof Download PDF

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Publication number
CN103394755B
CN103394755B CN201310336015.0A CN201310336015A CN103394755B CN 103394755 B CN103394755 B CN 103394755B CN 201310336015 A CN201310336015 A CN 201310336015A CN 103394755 B CN103394755 B CN 103394755B
Authority
CN
China
Prior art keywords
saw blade
bare terminal
terminal end
compressing member
operating parts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201310336015.0A
Other languages
Chinese (zh)
Other versions
CN103394755A (en
Inventor
黄建初
吴承烨
王科威
褚坤元
黄亮
徐梓荣
朱利刚
陈国龙
徐成校
何阳杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HAMMER ELECTRIC POWER TOOLS Co
Original Assignee
HAMMER ELECTRIC POWER TOOLS Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HAMMER ELECTRIC POWER TOOLS Co filed Critical HAMMER ELECTRIC POWER TOOLS Co
Priority to CN201310336015.0A priority Critical patent/CN103394755B/en
Priority to PCT/CN2013/081505 priority patent/WO2015013997A1/en
Publication of CN103394755A publication Critical patent/CN103394755A/en
Application granted granted Critical
Publication of CN103394755B publication Critical patent/CN103394755B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D51/00Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends
    • B23D51/08Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of devices for mounting straight saw blades or other tools
    • B23D51/10Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of devices for mounting straight saw blades or other tools for hand-held or hand-operated devices

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sawing (AREA)

Abstract

The invention discloses saw blade clamping device and reciprocating saw thereof, belong to field of power tools, solve existing saw blade clamping device complex structure, unhandy problem, saw blade clamping device of the present invention comprises grip slipper, operating parts and compressing member, the loading part that described grip slipper comprises the connecting portion for connecting reciprocating saw transmission mechanism and extends from connecting portion, described loading part is provided with for locating saw blade bare terminal end at location structure, described operating parts is arranged on loading part and also can rotates between locked and unlocked positions, described compressing member to be arranged between loading part and operating parts and to be driven by described operating parts and compresses saw blade bare terminal end, when described operating parts forwards latched position to, self-locking is to keep compressing member to the impaction state of saw blade bare terminal end, compressing member is removed to the impaction state of saw blade bare terminal end when described operating parts forwards unlocked position to.

Description

Saw blade clamping device and reciprocating saw thereof
[technical field]
The present invention relates to reciprocating saw, especially the saw blade clamping device of reciprocating saw, belongs to field of power tools.
[background technology]
Reciprocating saw is a kind of relatively more conventional instrument, is widely used in the industries such as automobile, wooden model, decoration, leather, is cut by the straight reciprocating motion of saw blade to workpiece.The cutting object of reciprocating saw can be the mixing of timber, metal or these materials, because cutting object is relatively wider, and also easy to carry, be well suited for the occasions such as house ornamentation.
The structure of current reciprocating saw mainly comprises power source, transmission mechanism and saw blade clamping device, incisory saw blade is arranged on saw blade clamping device, saw blade clamping device drives saw blade reciprocating by transmission mechanism, and saw blade clamping device directly affects the cutting stability of saw blade to the clamping effect of saw blade.As publication number be " CN201603914U ", name is called the patent of invention of " a kind of Quick-change chuck mechanism of reciprocating saw "; Publication number is " CN102905830A ", name is called in the patent of invention of " two saw blade reciprocating saw " and discloses two kinds of current more typical saw blade clamping devices, its parts related to are more, cost is higher, and be not easy to operation in real work occasion, do not reach the fast assembling-disassembling effect of expection.
Saw blade clamping device of the prior art often has multiple parts such as cam, torsion spring, spring, toggle, and needs higher quality of fit between parts, and this just causes current saw blade clamping device complex structure, assembling inconvenience.Saw blade clamping device of the present invention has grip slipper, operating parts and compressing member, grip slipper comprises connecting portion and loading part, in actual mechanical process, when user's rotating operation part is to latched position, operating parts self-locking to keep compressing member to the impaction state of saw blade bare terminal end, when user's rotating operation part is to unlocked position, operating parts removes compressing member to the impaction state of saw blade bare terminal end, apparatus structure is simple, and be easy to the quick despatch of saw blade, production cost is low; In addition, also compress gasket is provided with between compressing member and loading part, under compressing member impaction state, compress gasket is close to saw blade bare terminal end, the thrust of compress gasket energy dispersion pressure gripping members, make saw blade bare terminal end major part be subject to uniform thrust, improve and compress effect, ensure stability during saw blade cutting work.
Saw blade mounting groove on current saw blade clamping device is all generally the inside being arranged on clamping part, only one end arranges insert port, saw blade inserts in saw blade mounting groove from insert port, user does not know in clamping process, position relationship between saw blade and mounting groove, easily causes the problems such as saw blade clamping is not firm; In the present invention, one side of the corresponding compressing member of loading part is provided with the loading chute holding saw blade bare terminal end, loading chute is provided with at least one load port, saw blade bare terminal end is pre-aligned in loading chute by location structure, user's rotating operation part compresses in the process of saw blade bare terminal end, the positioning scenarios of saw blade bare terminal end can be observed, better to clamp saw blade, improve saw blade clamping effect.
These features of the present invention and advantage will detailed description of the invention below, exposure detailed in accompanying drawing.
[summary of the invention]
The present invention proposes a kind of saw blade clamping device and reciprocating saw thereof, and saw blade clamping device structure is simple, is easy to operation.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
Saw blade clamping device, comprise grip slipper, operating parts and compressing member, the loading part that described grip slipper comprises the connecting portion for connecting reciprocating saw transmission mechanism and extends from connecting portion, described loading part is provided with for locating saw blade bare terminal end at location structure, described operating parts is arranged on loading part and also can rotates between locked and unlocked positions, described compressing member to be arranged between loading part and operating parts and to be driven by described operating parts and compresses saw blade bare terminal end, when described operating parts forwards latched position to, self-locking is to keep compressing member to the impaction state of saw blade bare terminal end, compressing member is removed to the impaction state of saw blade bare terminal end when described operating parts forwards unlocked position to.
Further, described operating parts comprises drive division and operating portion, described drive division be provided with the drive surface that is made up of curved surface and drive division with eccentric manner switching on loading part, described operating portion can drive drive division to rotate.
Further, described loading part is provided with the hinged seat of protrusion, and the drive division switching of described operating parts is on hinged seat, and described compressing member is provided with pilot hole, and described compressing member is enclosed within hinged seat by pilot hole.
Further, described compressing member is the compression shell fragment possessing elastic deformation.
Further, be also provided with compress gasket between described compressing member and loading part, under compressing member impaction state, described compress gasket is close to saw blade bare terminal end.
Further, described location structure comprises the alignment pin be located on loading part, and saw blade bare terminal end is provided with the locating hole with detent fit.
Further, a side of the corresponding compressing member of described loading part is provided with the loading chute holding saw blade bare terminal end, and described loading chute is provided with at least one load port, and saw blade bare terminal end is embedded in loading chute, and saw blade bare terminal end both sides closely cooperate in load port.
Further, described saw blade clamping device can clamp reciprocating saw blade or diamond saw blade.
For solving the problems of the technologies described above, the invention allows for a kind of reciprocating saw, comprising the saw blade clamping device described in above-mentioned any one technical scheme.
Beneficial effect of the present invention:
[accompanying drawing explanation]
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is the decomposition texture schematic diagram of the embodiment of the present invention one saw blade clamping device;
Fig. 2 is the side schematic view of the embodiment of the present invention one saw blade clamping device;
Fig. 3 is the decomposition texture schematic diagram of the embodiment of the present invention two saw blade clamping device;
Fig. 4 is the structural representation of the embodiment of the present invention three reciprocating saw.
[detailed description of the invention]
The present invention proposes a kind of saw blade clamping device, comprise grip slipper, operating parts and compressing member, the loading part that described grip slipper comprises the connecting portion for connecting reciprocating saw transmission mechanism and extends from connecting portion, described loading part is provided with for locating saw blade bare terminal end at location structure, described operating parts is arranged on loading part and also can rotates between locked and unlocked positions, described compressing member to be arranged between loading part and operating parts and to be driven by described operating parts and compresses saw blade bare terminal end, when described operating parts forwards latched position to, self-locking is to keep compressing member to the impaction state of saw blade bare terminal end, compressing member is removed to the impaction state of saw blade bare terminal end when described operating parts forwards unlocked position to.The present invention changes current saw blade clamping device only by the mode of the parts such as steel ball, pin locking saw blade, and adopt compressing member clamping saw blade bare terminal end, lifting surface area increases, and clamping effect improves, thus ensures the stability of saw blade cutting movement, and is easy to operation.
The technical scheme of accompanying drawing to the embodiment of the present invention below in conjunction with the embodiment of the present invention is explained and illustrated, but following embodiment is only the preferred embodiments of the present invention, and not all.Based on the embodiment in embodiment, those skilled in the art under the prerequisite not making creative work obtain other embodiments, all belong to protection scope of the present invention.
Embodiment one:
With reference to Fig. 1, 2, saw blade clamping device, comprise grip slipper 1, operating parts 3 and compressing member 2, the loading part 12 that described grip slipper 1 comprises the connecting portion 11 for connecting reciprocating saw transmission mechanism and extends from connecting portion 11, described loading part 12 is provided with for locating saw blade bare terminal end 41 at location structure, described operating parts 3 is arranged on loading part 12 and also can rotates between latched position B and unlocked position A, described compressing member 2 is arranged to drive between loading part 12 and operating parts 3 and by described operating parts 3 and compresses saw blade bare terminal end 41, when described operating parts 3 forwards latched position B to, self-locking is to keep the impaction state of compressing member 2 pairs of saw blade bare terminal ends 41, the impaction state of compressing member 2 pairs of saw blade bare terminal ends 41 is removed when described operating parts 3 forwards unlocked position A to.
With reference to Fig. 2, above-mentioned operating parts 3 comprises drive division 32 and operating portion 31, and drive division 32 is provided with the drive surface 321 and drive division 32 that are made up of curved surface with eccentric manner switching on loading part 12, and operating portion 31 can drive drive division 32 to rotate.When operating parts 3 forwards latched position B to, compressing member 2 acts on compression saw blade bare terminal end 41 downwards by the drive surface 321 of drive division 32, forward in the process of unlocked position A at operating parts 3, the drive surface 321 of drive division 32 reduces the active force to compressing member 2 gradually, and concrete principle can refer to cam mechanism.Normally, compressing member 2 is the compression shell fragments possessing elastic deformation, the present embodiment compressing member 2 two ends have outward extending elastic arm, roughly in " ︹ " shape, the drive surface 321 of drive division 32 acts on the upper end of compressing member 2, makes elastic arm act on saw blade bare terminal end 41, stressed comparatively even on saw blade bare terminal end 41, instead of concentrate on a certain position, improve compression effect.
The present embodiment is preferably: the hinged seat 10 arranging protrusion on loading part 12, and the drive division 32 of operating parts 3 is transferred on hinged seat 10, and compressing member 2 is provided with pilot hole 21, and compressing member 2 is enclosed within hinged seat 10 by pilot hole 21; Compressing effect preferably for reaching, being also provided with compress gasket 5 between compressing member 2 and loading part 12, under compressing member 2 impaction state, compress gasket 5 is close to saw blade bare terminal end 41.After adopting compress gasket 5, the active force of drive surface 321 pairs of compressing members 2 of drive division 32 is distributed to saw blade bare terminal end 41 side by compress gasket 5, and compressing area increases, and stressed more even, improves the compression effect of saw blade bare terminal end 41 further.
With reference to Fig. 1, in order to better clamping saw blade, a side of the corresponding compressing member 2 of loading part 12 is provided with the loading chute 14 holding saw blade bare terminal end 41, the front end of loading chute 14 is provided with a load port 141, saw blade bare terminal end 41 is embedded in loading chute 14, and saw blade bare terminal end 41 both sides and load port 141 closely cooperate.After saw blade is installed, the afterbody of saw blade bare terminal end 41 is against on hinged seat 10, and the front portion of saw blade bare terminal end 41 is fastened on load port 141 place, thus is formed good spacing, prevents from teetertottering when saw blade works.
For reciprocating saw blade, when user installs reciprocating saw blade, the saw blade bare terminal end 41 of reciprocating saw blade 4 is embedded in loading chute 14, the present embodiment can carry out pre-determined bit to saw blade bare terminal end 41, alignment pin 13 is set in loading chute 14, the locating hole 411 that alignment pin 13 can insert saw blade bare terminal end 41 is interior to locate reciprocating saw blade 4, as long as general alignment pin 13 can insert in locating hole 411, the length of alignment pin 13 is less than the degree of depth of locating hole; Forward operating parts 3 to latched position B again, make compress gasket 5 compress saw blade bare terminal end 41, complete reciprocating saw blade 4 and install; When user dismantles reciprocating saw blade 4, forward operating parts 3 to unlocked position A, unclamp compress gasket 5, on lift saw blade bare terminal end 41 and make it depart from loading chute 14, just can pull down reciprocating saw blade 4, whole disassembly process is very convenient, and when installing reciprocating saw blade 4, user can observe the position relationship between saw blade bare terminal end 41 and loading chute 14, firm to ensure saw blade clamping.
Embodiment two:
With reference to Fig. 3, the present embodiment is roughly the same with embodiment one, unlike: the saw blade clamping device clamping diamond saw blade 6 in the present embodiment, for convenience of clamping, diamond saw blade 6 has two spaced saw blade bare terminal ends 61, for this reason, two spaced load port 141 are provided with in the downside of loading chute 14, closely cooperating with two load port 141 respectively of two saw blade bare terminal ends 61, and hinged seat 10 is between two saw blade bare terminal ends 61, can position-limiting action be played, prevent diamond saw blade 6 from swinging.
Embodiment three:
With reference to Fig. 4, the present embodiment is a kind of hand-held reciprocating, comprise casing 8, power source, transmission mechanism and saw blade clamping device, the reciprocally swinging assembly 7 that transmission mechanism comprises gear pair and drives by gear pair, saw blade clamping device can adopt embodiment one or the technical scheme described in embodiment two.(power source and gear pair are hidden in casing, not illustrating in the drawings) connecting portion 11 on the grip slipper of saw blade clamping device is fixed on reciprocally swinging assembly 7 by securing member, reciprocally swinging assembly 7 drives two saw blade clamping devices to move back and forth, thus realizes the contrary reciprocating cutting motion in two reciprocating saw blade 4 directions.
In addition, the present embodiment hand-held reciprocating can be improved by existing angle grinding machine and obtain, and only needs to load onto reciprocally swinging assembly and saw blade clamping device, traditional angle grinding machine just can be transformed into hand-held reciprocating, the volume of such reciprocating saw is less, be suitable for average family and use, and operation is lighter; Saw blade clamping device of the present invention can clamping at least two kinds of saw blades, such as reciprocating saw blade, diamond saw blade etc., and the scope of application is wide, more saves the instrument acquisition cost of user,
By above-described embodiment, object of the present invention is reached by fully effective.The personage being familiar with this skill should be understood that and the present invention includes but the content being not limited to accompanying drawing and describing in detailed description of the invention above.Any amendment not departing from function and structure principle of the present invention all will comprise within the scope of the appended claims.

Claims (7)

1. saw blade clamping device, it is characterized in that: comprise grip slipper, operating parts and compressing member, the loading part that described grip slipper comprises the connecting portion for connecting reciprocating saw transmission mechanism and extends from connecting portion, described loading part is provided with the location structure for locating saw blade bare terminal end, described operating parts is arranged on loading part and also can rotates between locked and unlocked positions, described compressing member to be arranged between loading part and operating parts and to be driven by described operating parts and compresses saw blade bare terminal end, when described operating parts forwards latched position to, self-locking is to keep compressing member to the impaction state of saw blade bare terminal end, compressing member is removed to the impaction state of saw blade bare terminal end when described operating parts forwards unlocked position to, one side of the corresponding compressing member of described loading part is provided with the loading chute holding saw blade bare terminal end, the front end of loading chute is provided with first load port, first load port is for installing reciprocating saw blade, the saw blade bare terminal end of reciprocating saw blade embeds in loading chute, saw blade bare terminal end both sides and first load port of reciprocating saw blade closely cooperate, the downside of loading chute is provided with two spaced the second load port, second load port is for installing diamond saw blade, diamond saw blade has two spaced saw blade bare terminal ends, and two of diamond saw blade saw blade bare terminal ends closely cooperate with two the second load port respectively.
2. saw blade clamping device as claimed in claim 1, it is characterized in that: described operating parts comprises drive division and operating portion, described drive division be provided with the drive surface that is made up of curved surface and drive division with eccentric manner switching on loading part, described operating portion can drive drive division to rotate.
3. saw blade clamping device as claimed in claim 2, it is characterized in that: described loading part is provided with the hinged seat of protrusion, the drive division switching of described operating parts is on hinged seat, and described compressing member is provided with pilot hole, and described compressing member is enclosed within hinged seat by pilot hole.
4. saw blade clamping device as claimed in claim 1, is characterized in that: described compressing member is the compression shell fragment possessing elastic deformation.
5. saw blade clamping device as claimed in claim 1, it is characterized in that: be also provided with compress gasket between described compressing member and loading part, under compressing member impaction state, described compress gasket is close to saw blade bare terminal end.
6. the saw blade clamping device as described in claim 1 to 5 any one, is characterized in that: described location structure comprises the alignment pin be located on loading part, and saw blade bare terminal end is provided with the locating hole with detent fit.
7. reciprocating saw, is characterized in that: have the saw blade clamping device in claim 1 to 6 described in any one.
CN201310336015.0A 2013-08-02 2013-08-02 Saw blade clamping device and reciprocating saw thereof Expired - Fee Related CN103394755B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201310336015.0A CN103394755B (en) 2013-08-02 2013-08-02 Saw blade clamping device and reciprocating saw thereof
PCT/CN2013/081505 WO2015013997A1 (en) 2013-08-02 2013-08-15 Saw blade clamping device and reciprocating saw therewith

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310336015.0A CN103394755B (en) 2013-08-02 2013-08-02 Saw blade clamping device and reciprocating saw thereof

Publications (2)

Publication Number Publication Date
CN103394755A CN103394755A (en) 2013-11-20
CN103394755B true CN103394755B (en) 2015-10-14

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CN201310336015.0A Expired - Fee Related CN103394755B (en) 2013-08-02 2013-08-02 Saw blade clamping device and reciprocating saw thereof

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WO (1) WO2015013997A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116038023B (en) * 2023-02-14 2024-03-19 乐清市乾丰工具有限公司 Multifunctional hand-held tool

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1493372A (en) * 1923-04-18 1924-05-06 Moon Don Pardee Razor-blade holder
US6112420A (en) * 1999-08-10 2000-09-05 S-B Power Tool Company Blade clamp for reciprocating saw
CN1429680A (en) * 2002-01-02 2003-07-16 布莱克和戴克公司 Changable saw blade with inclination
CN1517166A (en) * 2003-01-13 2004-08-04 ���ݱ�ʱ�õ綯�������޹�˾ Quickly changeng and clamping mechanism of saw blade
CN202984812U (en) * 2012-10-30 2013-06-12 浙江通达电器有限公司 Device for rapidly clamping saw blades of reciprocating saw
CN203418171U (en) * 2013-08-02 2014-02-05 铁鎯电动工具有限公司 Saw web clamping device and reciprocating saw thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9201371A (en) * 1992-07-29 1994-02-16 Emerson Electric Co Saw blade fixing device.
DE102005063015A1 (en) * 2005-12-30 2007-07-05 Robert Bosch Gmbh Lifting saw with attachment device for a saw blade
CN201036822Y (en) * 2007-06-14 2008-03-19 宁波天和电动工具有限公司 Quickly mounting and detaching saw knife mechanism
CN102000881B (en) * 2007-08-01 2012-07-25 苏州宝时得电动工具有限公司 Saw blade clamping device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1493372A (en) * 1923-04-18 1924-05-06 Moon Don Pardee Razor-blade holder
US6112420A (en) * 1999-08-10 2000-09-05 S-B Power Tool Company Blade clamp for reciprocating saw
CN1429680A (en) * 2002-01-02 2003-07-16 布莱克和戴克公司 Changable saw blade with inclination
CN1517166A (en) * 2003-01-13 2004-08-04 ���ݱ�ʱ�õ綯�������޹�˾ Quickly changeng and clamping mechanism of saw blade
CN202984812U (en) * 2012-10-30 2013-06-12 浙江通达电器有限公司 Device for rapidly clamping saw blades of reciprocating saw
CN203418171U (en) * 2013-08-02 2014-02-05 铁鎯电动工具有限公司 Saw web clamping device and reciprocating saw thereof

Also Published As

Publication number Publication date
WO2015013997A1 (en) 2015-02-05
CN103394755A (en) 2013-11-20

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