CN112496450A - Convenient manual saw of dismouting saw blade - Google Patents

Convenient manual saw of dismouting saw blade Download PDF

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Publication number
CN112496450A
CN112496450A CN202011340419.3A CN202011340419A CN112496450A CN 112496450 A CN112496450 A CN 112496450A CN 202011340419 A CN202011340419 A CN 202011340419A CN 112496450 A CN112496450 A CN 112496450A
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CN
China
Prior art keywords
saw blade
saw
wheel
drag hook
blade body
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Granted
Application number
CN202011340419.3A
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Chinese (zh)
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CN112496450B (en
Inventor
陈鹏飞
陈树根
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Lutai Zhejiang Intelligent Equipment Co ltd
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Zhejiang Lutai Machinery Technology Co ltd
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Priority to CN202011340419.3A priority Critical patent/CN112496450B/en
Publication of CN112496450A publication Critical patent/CN112496450A/en
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Publication of CN112496450B publication Critical patent/CN112496450B/en
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    • 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
    • B23D49/00Machines or devices for sawing with straight reciprocating saw blades, e.g. hacksaws
    • B23D49/10Hand-held or hand-operated sawing devices with straight saw blades
    • B23D49/12Hacksaws
    • 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
    • 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
    • B23D51/12Sawing 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 use with tools, dealt with in this subclass, which are connected to a carrier at both ends, e.g. bows adjustable in length or height
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

The invention discloses a manual saw with conveniently assembled and disassembled saw blades, which comprises: the saw blade grinding device comprises a front cantilever, a rear cantilever, a connecting rod and a back rod, wherein the tops of the front cantilever and the rear cantilever are connected with two ends of the back rod; fixture is used for installing fast the saw blade body, grinding machanism is used for polishing the saw blade body, fixture includes: the invention relates to a manual saw with convenient saw blade disassembly and assembly, which is quick in clamping and disassembly, saves labor, can polish saw teeth, saves time and improves the sharpness of the saw blade.

Description

Convenient manual saw of dismouting saw blade
Technical Field
The invention relates to the technical field of manual saws, in particular to a manual saw with a conveniently-assembled saw blade.
Background
The manual saw is widely applied to cutting various tools, and is convenient for manual saw cutting processing of workpieces. The hand saw generally comprises a back bar, a front cantilever and a rear cantilever, wherein the back bar connects the front cantilever and the rear cantilever, and a saw blade is arranged between the front cantilever and the rear cantilever.
However, the existing hand saws have the following disadvantages in use, such as:
1. the saw blades need to be connected through bolts when being disassembled and assembled, so that the use is inconvenient and the disassembly and the assembly are troublesome;
2. the blade is frequently used and easily dull, requiring frequent sharpening to keep the blade sharp for use.
Disclosure of Invention
The invention aims to provide a manual saw with a conveniently-assembled and disassembled saw blade, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a hand saw with easy saw blade disassembly, comprising: the saw blade grinding device comprises a front cantilever, a rear cantilever, a connecting rod and a back rod, wherein the tops of the front cantilever and the rear cantilever are connected with two ends of the back rod;
fixture is used for installing fast the saw blade body, grinding machanism is used for polishing the saw blade body.
Further, the clamping mechanism includes: first drag hook, second drag hook, gag lever post, screw rod, motor, the output shaft of motor with the screw rod passes through the shaft coupling transmission and connects, the second drag hook cup joint in on the screw rod, the one end of gag lever post rotate install in on the both sides arc lateral wall of second drag hook, first drag hook with second drag hook symmetry sets up.
Further, a cavity is formed in the lower portion of the rear cantilever, the motor is installed in the cavity, the connecting rod is internally hollow, a section of the screw rod with threads is arranged in the hollow portion of the connecting rod and is sleeved with the second drag hook, and the other end of the limiting rod is connected with the connecting rod in a rotating mode.
Furthermore, the connecting holes are formed in the tops of the two ends of the saw blade body, the first draw hook is consistent with the second draw hook in size, the inner diameter of each connecting hole is matched with the diameter of the first draw hook in size, and one end of the first draw hook is fixedly connected with the inner side wall of the front cantilever.
Further, the grinding mechanism includes: dwang, first bevel gear, polishing wheel, polishing piece, second bevel gear, propelling movement wheel, lug, gyro wheel, first bevel gear fixed cup connect in on the dwang, polishing wheel cup connect in the one end of dwang, polishing piece be protruding form install in on the polishing wheel, second bevel gear with propelling movement wheel fixed connection, the lug set up in on the arc lateral wall of propelling movement wheel, the gyro wheel equidistance set up in one side of propelling movement wheel.
Furthermore, the bottom of the second bevel gear is rotatably installed at the bottom of the sliding groove through a bearing, and the roller is rotatably installed at the bottom of the sliding groove.
Furthermore, a belt is in transmission connection between the rotating rod and the screw rod.
Furthermore, through grooves are formed in the sliding grooves and located on two sides of the second bevel gear, the grinding wheel and the first bevel gear are nested in the through grooves, and the tops of the grinding wheel and the first bevel gear and the tops of the through grooves are kept on the same horizontal line.
Furthermore, the rear cantilever is located a battery compartment is arranged below the cavity, a battery is arranged in the battery compartment, and the battery is electrically connected with the motor through a wire.
Furthermore, the arc lateral wall of propelling movement wheel arrives the distance of the lateral wall of spout one side is greater than the thickness of saw blade body, the lug arrives the distance of the lateral wall of spout one side with the thickness of saw blade body is unanimous, the lug rubberizing is stained with the rubber pad, the rotational speed of polishing wheel with the propelling movement wheel is unanimous, the propelling movement wheel is to the propelling movement frequency of saw blade body with the frequency looks adaptation of polishing piece, the saw blade body is equipped with the instruction arrow point.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, the clamping mechanism is arranged, when in use, only the connecting holes on two sides of the top of the saw blade body are required to be respectively hung on the first drag hook and the second drag hook, then the motor is started, the motor drives the screw rod to rotate, and further drives the second drag hook which is in threaded connection with the screw rod to move on the screw rod, so that the saw blade body is driven to be tensioned to one side to fix the saw blade body, the second drag hook can be limited by the limiting rod which is rotatably connected on two sides of the second drag hook, the second drag hook is prevented from rotating, so that the second drag hook can only do linear motion, when the starting motor is rotated reversely when the saw blade needs to be disassembled, the second drag hook is moved to the position of the first drag hook, so that the saw blade body is loosened, and then the saw blade body is taken down;
(2) the invention can drive the grinding mechanism to run through the arranged clamping mechanism, before the saw blade body is used, one end of the saw blade body is inserted into the chute and is not connected with one side of the push wheel, the motor is started to drive the screw rod to rotate, the screw rod drives the rotating rod connected through the belt transmission to rotate, and further drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear in meshing connection to rotate, and further drives the push wheel to rotate, the distance from the arc-shaped side wall of the push wheel to the side wall of one side of the chute is larger than the thickness of the saw blade body, the distance from the lug to the side wall of one side of the chute is consistent with the thickness of the saw blade body, the rubber pad is glued on the lug, so that the side of the push wheel provided with the lug is contacted with the saw blade body to push the saw blade to advance, and the, and then make the advancing of saw blade body can intermittent type nature, when the propelling movement wheel stops to the saw blade body propelling movement, the wheel of polishing rotates the position that is equipped with the piece of polishing to polish to the saw blade body, and then to the sawtooth of saw blade body, the kerf is polished under the cooperation of wheel of polishing and propelling movement wheel.
Drawings
FIG. 1 is a schematic front view of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of the internal structure of the front view portion of the embodiment of FIG. 1;
FIG. 3 is a front cross-sectional structural view of the embodiment of FIG. 1;
FIG. 4 is an enlarged schematic view of the embodiment of FIG. 3 at A;
FIG. 5 is a schematic view of the connection structure of the grinding mechanism and the clamping mechanism in the embodiment of FIG. 1;
FIG. 6 is a schematic diagram of the grinding mechanism of the embodiment of FIG. 1;
fig. 7 is a schematic structural diagram of the clamping mechanism in the embodiment of fig. 1.
Reference numerals: 1. a front cantilever; 2. a rear cantilever; 201. a cavity; 3. a connecting rod; 4. a back bar; 5. a chute; 6. a clamping mechanism; 61. a first draw hook; 62. a second draw hook; 63. a limiting rod; 64. a screw; 65. a motor; 7. a saw blade body; 8. a polishing mechanism; 81. rotating the rod; 82. a first bevel gear; 83. grinding the wheel; 84. grinding the sheets; 85. a second bevel gear; 86. a push wheel; 87. a bump; 88. a roller; 9. connecting holes; 10. a belt; 11. a through groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 3, a manual saw with a conveniently detachable saw blade includes: preceding cantilever 1, back cantilever 2, connecting rod 3, back bar 4, preceding cantilever 1 with the top of back cantilever 2 with the both ends of back bar 4 are connected, connecting rod 3 is located and is close to one side of back cantilever 2 with the bottom fixed connection of back bar 4, spout 5 has been seted up at the top of back bar 4, preceding cantilever 1 with be connected with fixture 6 between the back cantilever 2, 6 in-connection of fixture has saw blade body 7, 5 in-installations in grinding machanism 8 of spout, fixture 6 are used for installing fast saw blade body 7, grinding machanism 8 is used for grinding saw blade body 7.
The chucking mechanism 6 includes: first drag hook 61, second drag hook 62, gag lever post 63, screw rod 64, motor 65 passes through wire electric connection and has time relay switch, the output shaft of motor 65 with screw rod 64 passes through the shaft coupling transmission and connects, second drag hook 62 cup joint in on the screw rod 64, the one end of gag lever post 63 rotate install in on the both sides arc lateral wall of second drag hook 62, first drag hook 61 with second drag hook 62 symmetry sets up.
When the motor 65 is started, the motor 65 drives the screw rod 64 to rotate, and further drives the second hook 62 screwed on the screw rod 64 to move on the screw rod 64, and further drives the saw blade body 7 to be tightened to one side to fix the saw blade body 7.
Cavity 201 has been seted up to the below of back cantilever 2, motor 65 install in the cavity 201, be hollow setting in the connecting rod 3, screw rod 64 be equipped with screwed one section set up in the hollow of connecting rod 3 and with second drag hook 62 cup joints mutually, second drag hook 62 and screw rod 64 threaded connection, the second drag hook 62 of being convenient for removes through screw rod 64, the other end of gag lever post 63 with connecting rod 3 rotates to be connected, can carry on spacingly to second drag hook 62 through gag lever post 63.
Connecting hole 9 has been seted up at the both ends top of saw blade body 7, first drag hook 61 with the size of second drag hook 62 is unanimous, the hole internal diameter of connecting hole 9 with the diameter size looks adaptation of first drag hook 61, the one end of first drag hook 61 with the inside wall fixed connection of preceding cantilever 1, the connecting hole 9 of saw blade body 7 of being convenient for penetrates in first drag hook 61 and the second drag hook 62.
The grinding mechanism 8 includes: dwang 81, first bevel gear 82, grinding wheel 83, the piece 84 of polishing, second bevel gear 85, propelling movement wheel 86, lug 87, gyro wheel 88, first bevel gear 82 fixed cup joint in on the dwang 81, grinding wheel 83 cup joint in the one end of dwang 81, grinding piece 84 be protruding form install in on the grinding wheel 83, second bevel gear 85 with propelling movement wheel 86 fixed connection, lug 87 set up in on the arc lateral wall of propelling movement wheel 86, gyro wheel 88 equidistance set up in one side of propelling movement wheel 86.
Dwang 81 with the transmission is connected with belt 10 between screw rod 64, dwang 81 with the spread groove has all been seted up on the screw rod 64, belt 10's both ends are cup jointed respectively in two in the spread groove, avoid belt 10 to remove at the rotation in-process, screw rod 64 rotates and can drive the screw rod 64 rotation of connecting through the transmission of belt 10.
The rotating rod 81 which is in transmission connection with the belt 10 is driven by the screw 64 to rotate, so as to drive the first bevel gear 82 to rotate, and the first bevel gear 82 drives the second bevel gear 85 which is in meshing connection to rotate, so as to drive the pushing wheel 86 to rotate.
The distance from the arc-shaped side wall of the pushing wheel 86 to the side wall of one side of the sliding groove 5 is larger than the thickness of the saw blade body 7, the distance from the bump 87 to the side wall of one side of the sliding groove 5 is consistent with the thickness of the saw blade body 7, a rubber pad is glued on the bump 87, and the pushing wheel 86 pushes the saw blade to advance when one side provided with the bump 87 contacts with the saw blade body 7.
Stop the propelling movement saw blade when lug 87 rotates not to contact with saw blade body 7 and advance, and then make saw blade body 7 can intermittent type nature advance, when propelling movement wheel 86 stops to saw blade body 7 propelling movement, wheel 83 of polishing rotates the position that is equipped with polishing piece 84 and polishes saw blade body 7, and then polishes the sawtooth of saw blade body 7 under the cooperation of wheel 83 of polishing and propelling movement wheel 86, the saw groove.
Second bevel gear 85 bottom through the bearing rotate install in the bottom of spout 5, gyro wheel 88 rotate install in the bottom of spout 5, the second bevel gear 85 of being convenient for rotates, can drive saw blade body 7 through gyro wheel 88 under the promotion of propelling movement wheel 86 and remove, the arc lateral wall of gyro wheel 88 keeps same water flat line with the arc lateral wall of propelling movement wheel 86.
Through grooves 11 are formed in the sliding groove 5 on two sides of the second bevel gear 85, the grinding wheel 83 and the first bevel gear 82 are nested in the through grooves 11, and the tops of the grinding wheel 83 and the first bevel gear 82 and the tops of the through grooves 11 are on the same horizontal line.
The rear cantilever 2 is located a battery compartment is arranged below the cavity 201, a battery is installed in the battery compartment, and the battery is electrically connected with the motor 65 through a wire and can provide power for the motor 65 through the battery.
The distance from the arc-shaped side wall of the pushing wheel 86 to the side wall of one side of the sliding groove 5 is greater than the thickness of the saw blade body 7, the distance from the bump 87 to the side wall of one side of the sliding groove 5 is consistent with the thickness of the saw blade body 7, a rubber pad is glued on the bump 87, the rotating speed of the polishing wheel 83 is consistent with that of the pushing wheel 86, the pushing frequency of the pushing wheel 86 to the saw blade body 7 is matched with the polishing frequency of the polishing piece 84, and the pushing distance of the pushing wheel 86 at each time is consistent with the distance between the saw tooth grooves on two sides of the saw blade body 7.
Make every propelling movement saw blade body 7 of propelling movement wheel 86 once, grinding wheel 83 can once polish the sawtooth groove, is equipped with the instruction arrow on the saw blade body 7, and the instruction arrow is used for showing that the tooth's socket of saw blade body 7 just in the top of polishing wheel 83 when saw blade body 7 propelling movement instruction arrow keeps the same position with the outward flange of spout 5.
In conclusion, the manual saw provided by the invention has the advantages that the saw blade is convenient to disassemble and assemble, and the manual saw is characterized in that:
firstly: before use, the saw blade body 7 is firstly polished by the polishing mechanism 8, one end of the saw blade body 7 is inserted into the chute 5 and positioned at one side of the push wheel 86, the saw blade body 7 is not connected between the two drag hooks, the motor 65 is started to drive the screw 64 to rotate, the motor 65 is electrically connected with a time relay switch, the travel time is set by the time relay switch, the motor 65 can realize reciprocating rotation, the screw 64 is driven to rotate in the forward and reverse directions, the screw 64 drives the rotating rod 81 in transmission connection with the belt 10 to rotate, the first bevel gear 82 is driven to rotate, the first bevel gear 82 drives the second bevel gear 85 in meshing connection to rotate, the push wheel 86 is driven to rotate, the distance from the arc-shaped side wall of the push wheel 86 to the side wall at one side of the chute 5 is larger than the thickness of the saw blade body 7, and the distance from the lug 87 to the side wall at one side of the chute 5 is consistent, bump 87 rubberizing is glued with the rubber pad, promote the saw blade when making propelling movement wheel 86 install one side of bump 87 and saw blade body 7 contact and advance, stop propelling movement saw blade body 7 when bump 87 rotates not to contact with saw blade body 7 and advance, and then make saw blade body 7 advance that can intermittent type nature, when propelling movement wheel 86 stops to saw blade body 7 propelling movement, wheel 83 of polishing rotates the position that is equipped with polishing piece 84 and polishes saw blade body 7, and then to the sawtooth of saw blade body 7 under the cooperation of wheel 83 of polishing and propelling movement wheel 86, the saw cut is polished.
Then: after polishing, hang connecting hole 9 of saw blade body 7 top both sides respectively on first drag hook 61 and second drag hook 62, then starter motor 65, motor 65 drive screw rod 64 rotates, and then drives second drag hook 62 of threaded connection on screw rod 64 and move on screw rod 64, and then drives saw blade body 7 and taut in order to fix saw blade body 7, accomplish the installation to one side.
And finally: when saw blade body 7 needs to be disassembled and assembled, starting motor 65 rotates reversely, so that second drag hook 62 moves to first drag hook 61, saw blade body 7 is loosened, and saw blade body 7 is taken down.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A hand saw with easy saw blade disassembly, comprising: the saw blade back-up mechanism is characterized in that a clamping mechanism (6) is connected between the front cantilever (1) and the rear cantilever (2), a saw blade body (7) is connected in the clamping mechanism (6), and a polishing mechanism (8) is arranged in the sliding groove (5);
fixture (6) are used for installing fast saw blade body (7), grinding machanism (8) are used for grinding saw blade body (7).
2. A saw blade facilitated manual saw according to claim 1, wherein said clamping means (6) comprises: first drag hook (61), second drag hook (62), gag lever post (63), screw rod (64), motor (65), the output shaft of motor (65) with screw rod (64) are connected through the shaft coupling transmission, second drag hook (62) cup joint in on screw rod (64), the one end of gag lever post (63) rotate install in on the both sides arc lateral wall of second drag hook (62), first drag hook (61) with second drag hook (62) symmetry sets up.
3. The hand saw convenient for saw blade disassembly and assembly as claimed in claim 2, wherein a cavity (201) is formed below the rear cantilever (2), the motor (65) is installed in the cavity (201), the connecting rod (3) is hollow, a section of the screw rod (64) provided with threads is arranged in the hollow of the connecting rod (3) and is sleeved with the second drag hook (62), and the other end of the limiting rod (63) is rotatably connected with the connecting rod (3).
4. The hand saw convenient for saw blade disassembly and assembly according to claim 3, wherein the top of the two ends of the saw blade body (7) is provided with a connecting hole (9), the first drag hook (61) and the second drag hook (62) are identical in size, the inner diameter of the connecting hole (9) is matched with the diameter of the first drag hook (61), and one end of the first drag hook (61) is fixedly connected with the inner side wall of the front cantilever (1).
5. A saw blade facilitated manual saw according to claim 4, wherein said sharpening mechanism (8) comprises: dwang (81), first bevel gear (82), grinding wheel (83), the piece of polishing (84), second bevel gear (85), propelling movement wheel (86), lug (87), gyro wheel (88), first bevel gear (82) fixed cup joint in on dwang (81), grinding wheel (83) cup joint in the one end of dwang (81), grinding piece (84) be protruding form install in on grinding wheel (83), second bevel gear (85) with propelling movement wheel (86) fixed connection, lug (87) set up in on the arc lateral wall of propelling movement wheel (86), gyro wheel (88) equidistance set up in one side of propelling movement wheel (86).
6. The hand saw convenient for saw blade assembly and disassembly as claimed in claim 5, wherein the bottom of said second bevel gear (85) is rotatably mounted at the bottom of said chute (5) through a bearing, and said roller (88) is rotatably mounted at the bottom of said chute (5).
7. A saw blade facilitated manual saw according to claim 6 wherein a belt (10) is drivingly connected between said rotatable lever (81) and said threaded rod (64).
8. The hand saw convenient for saw blade assembly and disassembly according to claim 5, wherein the sliding groove (5) is provided with through grooves (11) at two sides of the second bevel gear (85), the grinding wheel (83) and the first bevel gear (82) are nested in the through grooves (11), and the tops of the grinding wheel (83) and the first bevel gear (82) and the top of the through grooves (11) are kept on the same horizontal line.
9. The hand saw convenient for saw blade assembly and disassembly as claimed in claim 3, wherein said rear cantilever (2) is located below said cavity (201) and is provided with a battery compartment, and a battery is mounted in said battery compartment and is electrically connected with said motor (65) through a wire.
10. The hand saw convenient for saw blade assembly and disassembly according to claim 5, wherein the distance from the arc-shaped side wall of the pushing wheel (86) to the side wall of one side of the sliding chute (5) is larger than the thickness of the saw blade body (7), the distance from the projection (87) to the side wall of one side of the sliding chute (5) is consistent with the thickness of the saw blade body (7), a rubber pad is glued on the projection (87), the rotating speed of the polishing wheel (83) is consistent with the rotating speed of the pushing wheel (86), the pushing frequency of the pushing wheel (86) to the saw blade body (7) is matched with the polishing frequency of the polishing piece (84), and the saw blade body (7) is provided with an indicating arrow.
CN202011340419.3A 2020-11-25 2020-11-25 Manual saw with saw blade convenient to assemble and disassemble Active CN112496450B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113459225A (en) * 2021-06-16 2021-10-01 威海奥文机电科技股份有限公司 Abrasive belt clamp holder matched with table type curve saw and using method thereof

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US6457244B1 (en) * 2001-06-28 2002-10-01 Yin-Hae Huang Structure of a hacksaw
TWM331426U (en) * 2007-10-03 2008-05-01 deng-long Chen Improved bow saw structure
CN202241481U (en) * 2011-09-22 2012-05-30 赫然·阿吉木汉 Multifunctional junior hacksaw
CN203992632U (en) * 2014-08-06 2014-12-10 周杰民 A kind of mechanical hacksaw
CN204122848U (en) * 2014-09-10 2015-01-28 丹阳市林丰工具制造有限公司 A kind of saw blade sanding apparatus
CN204770938U (en) * 2015-07-13 2015-11-18 常州祥德机械制造有限公司 Novel frame saw
KR102032399B1 (en) * 2018-12-03 2019-10-15 강태연 Saw

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB585321A (en) * 1945-02-21 1947-02-04 Maks Kon Improvements in reciprocatory power-driven hand tools
US6457244B1 (en) * 2001-06-28 2002-10-01 Yin-Hae Huang Structure of a hacksaw
TWM331426U (en) * 2007-10-03 2008-05-01 deng-long Chen Improved bow saw structure
CN202241481U (en) * 2011-09-22 2012-05-30 赫然·阿吉木汉 Multifunctional junior hacksaw
CN203992632U (en) * 2014-08-06 2014-12-10 周杰民 A kind of mechanical hacksaw
CN204122848U (en) * 2014-09-10 2015-01-28 丹阳市林丰工具制造有限公司 A kind of saw blade sanding apparatus
CN204770938U (en) * 2015-07-13 2015-11-18 常州祥德机械制造有限公司 Novel frame saw
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113459225A (en) * 2021-06-16 2021-10-01 威海奥文机电科技股份有限公司 Abrasive belt clamp holder matched with table type curve saw and using method thereof
CN113459225B (en) * 2021-06-16 2022-05-31 威海奥文机电科技股份有限公司 Abrasive belt clamp holder matched with table type curve saw and using method thereof

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