CN113210728A - Reciprocating electric tool - Google Patents
Reciprocating electric tool Download PDFInfo
- Publication number
- CN113210728A CN113210728A CN202110419914.1A CN202110419914A CN113210728A CN 113210728 A CN113210728 A CN 113210728A CN 202110419914 A CN202110419914 A CN 202110419914A CN 113210728 A CN113210728 A CN 113210728A
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- CN
- China
- Prior art keywords
- reciprocating
- reciprocating rod
- longitudinal direction
- balance block
- transmission mechanism
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- 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.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D49/00—Machines or devices for sawing with straight reciprocating saw blades, e.g. hacksaws
- B23D49/10—Hand-held or hand-operated sawing devices with straight saw blades
- B23D49/16—Hand-held or hand-operated sawing devices with straight saw blades actuated by electric or magnetic power or prime movers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D51/00—Sawing 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
Abstract
A reciprocating electric tool comprises a shell, a motor, a transmission mechanism and a reciprocating mechanism, wherein the motor is positioned in the shell, the transmission mechanism is connected to the motor, the reciprocating mechanism is driven by the transmission mechanism, the reciprocating mechanism comprises a reciprocating rod which extends along the longitudinal direction and is connected to the transmission mechanism, and the motor drives the reciprocating rod to reciprocate along the longitudinal direction through the transmission mechanism. The reciprocating electric tool comprises a balance assembly connected to the reciprocating rod, the balance assembly comprises a balance block and a first elastic piece connected between the balance block and the reciprocating rod, the balance block moves relative to the reciprocating rod through the first elastic piece, and when the reciprocating rod reciprocates along the longitudinal direction, the balance block reciprocates along the longitudinal direction in the opposite direction of the reciprocating rod due to the action of inertia force. Therefore, the gravity center of the whole reciprocating mechanism does not move too much in the reciprocating motion process, and the effect of balanced vibration reduction can be realized; meanwhile, the balance assembly can reduce vibration and simultaneously can not generate extra moment, so that the vibration reduction effect is good.
Description
[ technical field ]
The invention relates to the technical field of electric tools, in particular to a reciprocating electric tool for reducing vibration.
[ background art ]
The reciprocating electric tool is a common tool, the cutting object can be wood, metal or the mixture of the materials, and the reciprocating electric tool is suitable for occasions such as home decoration because the cutting object is wide and convenient to carry. The reciprocating electric tool cuts a workpiece through the linear reciprocating motion of a saw blade, and the common reciprocating electric tool (such as a reciprocating saw, a saber saw and the like) converts the rotating motion of a motor into the reciprocating motion of a reciprocating rod through various transmission mechanisms (such as an eccentric wheel, a bevel gear, a swing rod and the like). In a reciprocating electric tool, a counterweight is usually added to a transmission mechanism to serve as a vibration reduction structure, and a centrifugal force generated during rotation of the counterweight and an inertia force generated during reciprocation of a reciprocating rod are offset with each other, so that a vibration reduction effect is achieved. However, the centrifugal force and the inertia force are not on the same axis, and the two forces generate additional moment when mutually offset. For this reason, need design a structure, this structure when with inertial force elimination in reciprocating motion, the inertial force that produces in other directions also needs to obtain effectual control and elimination for vibration in the all directions of mechanical product all obtains effective control, thereby promotes user's comfort level and product life.
Accordingly, there is a need for an improved reciprocating power tool that overcomes the deficiencies of the prior art.
[ summary of the invention ]
In view of the deficiencies of the prior art, it is an object of the present invention to provide a reciprocating power tool that eliminates inertial forces while not generating additional torque.
The technical scheme adopted by the invention for solving the problems in the prior art is as follows: a reciprocating electric tool comprises a shell, a motor positioned in the shell, a transmission mechanism connected to the motor and a reciprocating mechanism driven by the transmission mechanism, wherein the reciprocating mechanism comprises a reciprocating rod extending along the longitudinal direction and connected to the transmission mechanism, and the motor drives the reciprocating rod to reciprocate along the longitudinal direction through the transmission mechanism. The reciprocating electric tool comprises a balance assembly connected to the reciprocating rod, the balance assembly comprises a balance block and a first elastic piece connected between the balance block and the reciprocating rod, the balance block moves relative to the reciprocating rod through the first elastic piece, and when the reciprocating rod reciprocates along the longitudinal direction, the balance block reciprocates along the longitudinal direction in the opposite direction to the reciprocating rod due to the action of inertia force.
The further improvement scheme is as follows: the reciprocating mechanism comprises a cutter chuck positioned at the front end of the reciprocating rod in the longitudinal direction and a sliding part positioned at the rear end of the reciprocating rod in the longitudinal direction, and the sliding part is connected to the transmission mechanism so that the transmission mechanism drives the reciprocating rod to do reciprocating motion.
The further improvement scheme is as follows: the reciprocating rod is provided with a containing cavity for containing the balance assembly, at least part of the balance block is contained in the containing cavity, the first elastic piece is located on one longitudinal side of the balance block, one end of the first elastic piece is connected to the balance block, and the other end of the first elastic piece is abutted to the inner wall of the containing cavity.
The further improvement scheme is as follows: the sliding part protrudes inwards into the accommodating cavity, the other end of the first elastic piece abuts against the sliding part, the balance assembly further comprises a second elastic piece located on the other longitudinal side of the balance block, one side of the second elastic piece is connected with the balance block, and the other end of the second elastic piece abuts against the inner wall of the accommodating cavity.
The further improvement scheme is as follows: the reciprocating rod is provided with a notch which is located on the circumferential surface and extends longitudinally, the notch is communicated with the accommodating cavity, and the balance block extends outwards from the accommodating cavity and penetrates out of the notch and exceeds the circumferential surface of the reciprocating rod.
The further improvement scheme is as follows: the reciprocating mechanism comprises a front end bushing which is fixed in the shell and sleeved on the reciprocating rod, the front end bushing is positioned at the longitudinal front end of the sliding part and is provided with a groove facing the opening of the balance block, and the groove is used for limiting the longitudinal movement of the balance block.
The further improvement scheme is as follows: the balancing piece with first elastic component cover is located on the reciprocating lever, first elastic component is located the vertical rear side of balancing piece, the front end of first elastic component connect in balancing piece and rear end butt in the reciprocating lever, balanced subassembly is still located including the cover on the reciprocating lever and be located the second elastic component of balancing piece longitudinal front side, the rear end of second elastic component connect in balancing piece and front end butt in the casing.
The further improvement scheme is as follows: the sliding part outwards stretches out the peripheral surface of reciprocating lever, the casing is located including the cover the front end bush on the reciprocating lever, the front end bush is located the vertical front end of sliding part just is fixed in the casing, the rear end butt of first elastic component in the sliding part, just the front end butt of second elastic component in the front end bush.
The further improvement scheme is as follows: the motor is provided with a motor shaft extending along the longitudinal direction, the transmission mechanism comprises a motor shaft tooth positioned at the tail end of the motor shaft and a transmission gear meshed with the motor shaft tooth, and the transmission gear and the motor shaft tooth are of bevel gear structures.
The further improvement scheme is as follows: the transmission mechanism comprises an eccentric pin which is positioned on the transmission gear and is far away from the circle center of the transmission gear, the sliding part is provided with a sliding groove which is inwards sunken from the bottom surface, and the eccentric pin is connected into the sliding groove.
Compared with the prior art, the invention has the following beneficial effects: the reciprocating electric tool comprises a balance assembly connected to the reciprocating rod, the balance assembly comprises a balance block and a first elastic piece connected between the balance block and the reciprocating rod, the balance block moves relative to the reciprocating rod through the first elastic piece, and when the reciprocating rod reciprocates along the longitudinal direction, the balance block reciprocates along the longitudinal direction in the opposite direction of the reciprocating rod due to the action of inertia force. Therefore, the gravity center of the whole reciprocating mechanism does not move too much in the reciprocating motion process, and the effect of balanced vibration reduction can be realized; meanwhile, the balance assembly can reduce vibration and simultaneously can not generate extra moment, so that the vibration reduction effect is good.
[ description of the drawings ]
The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings:
FIG. 1 is a perspective view of a reciprocating power tool in accordance with a preferred embodiment of the present invention;
FIG. 2 is a cross-sectional view of the reciprocating power tool shown in FIG. 1;
FIG. 3 is an enlarged view of a portion of the reciprocating power tool shown in FIG. 2;
FIG. 4 is a schematic view of the assembly of the reciprocating mechanism and the drive mechanism in the reciprocating power tool of FIG. 1;
FIG. 5 is an exploded schematic view of the reciprocator shown in FIG. 4;
FIG. 6 is a cross-sectional view of the reciprocator and drive mechanism shown in FIG. 4;
figure 7 is a partial cross-sectional view of a reciprocating power tool in accordance with a second embodiment of the present invention.
The meaning of the reference symbols in the figures:
100. the reciprocating electric tool 1, a housing 11, a main body part 110, a first accommodating space 12, a holding part 120, a second accommodating space 13, a control button 2, a motor 21, a motor shaft 22, a motor shaft tooth 3, a transmission mechanism 31, a transmission gear 32, an eccentric pin 33, a support shaft 4, a reciprocating mechanism 41, a reciprocating rod 410, an accommodating cavity 411, a notch 42, a tool holder 43, a sliding part 431, a sliding groove 44, a front end bushing 441, a groove 45, a rear end bushing 5, a balancing component 51, a balancing weight 52, a second elastic component 53, a first elastic component 6, a power supply component 7, a baffle plate 5', a balancing component 51', a balancing weight 52', a second elastic component 53', a first elastic component
[ detailed description of the invention ]
The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Words such as "upper," "lower," "front," "rear," and the like, which indicate orientation or positional relationship, are based only on the orientation or positional relationship shown in the drawings and are merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices/elements must have a particular orientation or be constructed and operated in a particular orientation and, therefore, should not be taken as limiting the present invention.
Referring to FIG. 1, a reciprocating power tool 100 according to the present invention is shown, in this embodiment, the reciprocating power tool 100 is a reciprocating saw operable to drive a cutter attachment (e.g., a saw blade) in a reciprocating motion to cut a workpiece. In other embodiments, the reciprocating power tool 100 may be a different type of device configured to drive a cutter attachment in a reciprocating motion.
Referring to fig. 1 to 2, the reciprocating electric tool 100 includes a housing 1, and a motor 2, a transmission mechanism 3 and a reciprocating mechanism 4 disposed in the housing 1, wherein the tool attachment is connected to the reciprocating mechanism 4. The housing 1 is formed with a receiving space for mounting components such as a motor 2, a transmission mechanism 3 and a reciprocating mechanism 4, the motor 2 is used for providing power to the reciprocating electric tool 100, and the transmission mechanism 3 is used for transmitting the power of the motor 2 to the reciprocating mechanism 4 so as to drive the cutter attachment to reciprocate to cut a workpiece. It will be appreciated that the reciprocating power tool 100 may be coupled with different cutter attachments to cut different objects.
The reciprocating electric tool 100 further includes a power supply unit 6 for supplying power to the motor 2, and a guard 7 provided at a front side of the tool attachment, and in this embodiment, the power supply unit 6 is embodied as a power cord and a power plug connected to a lower portion of the rear end of the housing 1 in the longitudinal direction. The flap 7 is provided at the longitudinal front end of the housing 1, and when cutting work is performed, the flap 7 is brought into contact with a material to be cut, so that cutting can be performed in a more reliable manner.
The housing 1 extends substantially in a longitudinal direction and is provided with a main body portion 11 and a holding portion 12 connected to the rear of the main body portion 11, the holding portion 12 can be held by a user and is provided with a control button 13 for operation, and the control button 13 is used for controlling the working state of the reciprocating electric tool 100. The accommodating space includes a first accommodating space 110 formed in the main body portion 11 and a second accommodating space 120 formed in the grip portion 12, and the first accommodating space 110 and the second accommodating space 120 are longitudinally arranged in the front-back direction. The first receiving space 110 is used for mounting power components such as the motor 2, the transmission mechanism 3 and the reciprocating mechanism 4, and the second receiving space 120 is used for mounting components such as an operating part, an electronic component and a circuit board. It is understood that, in order to install the motor 2, the transmission mechanism 3 and the reciprocating mechanism 4 which are large in volume, the first accommodating space 110 is larger than the second accommodating space 120, and the first accommodating space 110 and the second accommodating space 120 are communicated or partially closed.
Referring to fig. 3 to 6, the motor 2 is provided with a motor shaft 21 extending along a longitudinal direction and a motor shaft tooth 22 located at an end of the motor shaft 21. In the present embodiment, the motor shaft teeth 22 are integrally formed on the motor shaft 21 by machining, but in other embodiments, the motor shaft teeth 22 may be a pinion gear that is assembled and fixed to the end of the motor shaft 21. Meanwhile, the transmission mechanism 3 is connected to the motor 2 and includes a transmission gear 31 engaged with the motor shaft teeth 22, an eccentric pin 32 located on the transmission gear 31, and a support shaft 33 passing through the center of the transmission gear 31.
In this embodiment, the transmission gear 31 is engaged with the motor shaft teeth 22 to form a bevel gear structure, that is, the rotation axis of the transmission gear 31 is perpendicular to the rotation axis of the motor shaft 21; in other embodiments, the rotation axis of the transmission gear 31 and the rotation axis of the motor shaft 21 may be parallel to each other. The eccentric pin 32 is located on the upper surface of the transmission gear 31 and is far away from the center of the transmission gear 31, so that the eccentric pin 32 performs circular motion around the center of the transmission gear 31. The upper end of the support shaft 33 is fixedly coupled to the center of the transmission gear 31, and the lower end is rotatably coupled to the main body portion 11 of the housing 1 through a bearing, thereby supporting the transmission gear 31 in the housing 1.
The reciprocating mechanism 4 is driven by the transmission mechanism 3 and comprises a reciprocating rod 41 extending along the longitudinal direction, a tool chuck 42 positioned at the longitudinal front end of the reciprocating rod 41 and a sliding part 43 positioned at the longitudinal rear end of the reciprocating rod 41, wherein the tool chuck 42 is used for clamping a tool accessory. The reciprocating rod 41 is connected to the transmission mechanism 3, and the motor 2 drives the reciprocating rod 41 to reciprocate along the longitudinal direction through the transmission mechanism 3. Specifically, the sliding portion 43 is provided with a sliding groove 431 recessed inward from the bottom surface, and the eccentric pin 32 is connected to the sliding groove 431, so that the transmission gear 31 of the transmission mechanism 3 drives the reciprocating rod 41 to reciprocate.
The reciprocating electric tool 100 further comprises a balancing assembly 5 connected to the reciprocating rod 41, the balancing assembly 5 is movable relative to the reciprocating rod 41, when the reciprocating rod 41 reciprocates in the longitudinal direction, the balancing assembly 5 reciprocates in the longitudinal direction in the direction opposite to the reciprocating rod 41 due to the action of inertia force, and the arrangement of the balancing assembly 5 does not increase the volume of the reciprocating electric tool 100. Therefore, the gravity center of the whole reciprocating mechanism 4 does not move too much in the reciprocating motion process, and the effect of balanced vibration reduction can be realized; meanwhile, the balance assembly 5 does not generate extra moment while reducing vibration, so that the vibration reduction effect is good.
Specifically, the reciprocating rod 41 is provided with an accommodating cavity 410 for accommodating the balancing assembly 5 and a notch 411 which is located on the circumferential surface of the reciprocating rod and extends along the longitudinal direction, and the notch 411 is communicated with the accommodating cavity 410. The balance assembly 5 includes a balance weight 51 at least partially received in the receiving cavity 410, a first elastic member 53 located at one longitudinal side of the balance weight 51, and a second elastic member 52 located at the other longitudinal side of the balance weight 51. In this embodiment, the balance weight 51 extends from the accommodating cavity 410 to the outside, passes through the notch 411 and exceeds the circumferential surface of the reciprocating rod 41; when the reciprocating rod 41 reciprocates in the longitudinal direction, the longitudinal inner wall of the slot 411 limits the longitudinal movement range of the weight 51.
The first elastic member 53 and the second elastic member 52 are respectively connected between the balance weight 51 and the reciprocating rod 41, that is, one longitudinal end of the first elastic member 53 and one longitudinal end of the second elastic member 52 are connected to the balance weight 51, and the other longitudinal end of the first elastic member 53 and the other longitudinal end of the second elastic member 52 are abutted against the inner wall of the accommodating cavity 410. In more detail, since the sliding portion 43 protrudes inward into the accommodating cavity 410, the other end of the first elastic member 53 in the longitudinal direction can abut against the sliding portion 43. The balance assembly 5 is integrally arranged in the accommodating cavity 410 of the reciprocating rod 41, that is, the balance assembly 5 and the reciprocating rod 41 can be regarded as an integral body; when the reciprocating rod 41 reciprocates in the longitudinal direction, no additional moment is generated by the whole.
The reciprocating mechanism 4 further includes a front end bushing 44 and a rear end bushing 45 fixed in the main body portion 11 of the housing 1 and sleeved on the periphery of the reciprocating rod 41, wherein the front end bushing 44 and the rear end bushing 45 are respectively located at two longitudinal ends of the sliding portion 43, and are used for supporting the reciprocating rod 41 and facilitating the reciprocating motion of the reciprocating rod 41. The front end bushing 44 is located at the front end of the sliding portion 43 in the longitudinal direction and is provided with a groove 441 opening toward the counterweight 51, and the groove 441 is used for further limiting the longitudinal movement range of the counterweight 51.
Referring to fig. 7, a reciprocating electric tool according to a second embodiment of the present invention is disclosed, and the structure of the reciprocating electric tool in the second embodiment is substantially the same as that of the reciprocating electric tool 100 in the first embodiment, except that: the structure of the balancing assembly 5' in the second embodiment is different from the structure of the balancing assembly 5 of the first embodiment, and will be described in detail below.
The balance assembly 5' includes a balance weight 51', a first elastic member 53' and a second elastic member 52' sleeved on the reciprocating rod 41, and the first elastic member 53' and the second elastic member 52' are respectively located at two longitudinal sides of the balance weight 51 '. Specifically, the front end of the first elastic member 53 'in the longitudinal direction is connected to the weight 51' and the rear end thereof in the longitudinal direction abuts against the reciprocating rod 41, and the rear end of the second elastic member 52 'in the longitudinal direction is connected to the weight 51' and the front end thereof in the longitudinal direction abuts against the main body 11 of the housing 1. In more detail, since the sliding portion 43 protrudes outward beyond the outer circumferential surface of the reciprocating lever 41, the rear end in the longitudinal direction of the first elastic member 53' abuts against the sliding portion 43. Meanwhile, the front end bush 44 is located at the front end of the sliding portion 43 in the longitudinal direction and fixed in the main body portion 11 of the housing 1, that is, the front end bush 44 may be regarded as a part of the housing 1; the longitudinal front end of the second elastic member 52' may abut on the front end bushing 44.
In the present invention, the reciprocating mechanism 4 includes a reciprocating rod 41 extending along the longitudinal direction and connected to the transmission mechanism 3, and the motor 2 drives the reciprocating rod 41 to reciprocate along the longitudinal direction through the transmission mechanism 3. The reciprocating power tool 100 includes a balance assembly 5 connected to the reciprocating rod 41, the balance assembly 5 includes a balance mass 51 and a first elastic member 53 connected between the balance mass 51 and the reciprocating rod 41, the balance mass 51 is movable relative to the reciprocating rod 41 through the first elastic member 53, and when the reciprocating rod 41 reciprocates in the longitudinal direction, the balance mass 51 reciprocates in the longitudinal direction in the opposite direction to the reciprocating rod 41 due to the inertia force. Therefore, the gravity center of the whole reciprocating mechanism 4 does not move too much in the reciprocating motion process, and the effect of balanced vibration reduction can be realized; meanwhile, the balance assembly 5 does not generate extra moment while reducing vibration, so that the vibration reduction effect is good.
The present invention is not limited to the above-described embodiments. Those skilled in the art will readily appreciate that there are numerous alternatives to the reciprocating power tool of the present invention without departing from the spirit and scope of the invention. The protection scope of the present invention is subject to the content of the claims.
Claims (10)
1. A reciprocating electric tool comprises a shell, a motor positioned in the shell, a transmission mechanism connected with the motor and a reciprocating mechanism driven by the transmission mechanism, wherein the reciprocating mechanism comprises a reciprocating rod extending along the longitudinal direction and connected with the transmission mechanism, and the motor drives the reciprocating rod to reciprocate along the longitudinal direction through the transmission mechanism; the method is characterized in that: the reciprocating electric tool comprises a balance assembly connected to the reciprocating rod, the balance assembly comprises a balance block and a first elastic piece connected between the balance block and the reciprocating rod, the balance block moves relative to the reciprocating rod through the first elastic piece, and when the reciprocating rod reciprocates along the longitudinal direction, the balance block reciprocates along the longitudinal direction in the opposite direction to the reciprocating rod due to the action of inertia force.
2. The reciprocating power tool of claim 1, wherein: the reciprocating mechanism comprises a cutter chuck positioned at the front end of the reciprocating rod in the longitudinal direction and a sliding part positioned at the rear end of the reciprocating rod in the longitudinal direction, and the sliding part is connected to the transmission mechanism so that the transmission mechanism drives the reciprocating rod to do reciprocating motion.
3. The reciprocating power tool of claim 2, wherein: the reciprocating rod is provided with a containing cavity for containing the balance assembly, at least part of the balance block is contained in the containing cavity, the first elastic piece is located on one longitudinal side of the balance block, one end of the first elastic piece is connected to the balance block, and the other end of the first elastic piece is abutted to the inner wall of the containing cavity.
4. The reciprocating power tool of claim 3, wherein: the sliding part protrudes inwards into the accommodating cavity, the other end of the first elastic piece abuts against the sliding part, the balance assembly further comprises a second elastic piece located on the other longitudinal side of the balance block, one side of the second elastic piece is connected with the balance block, and the other end of the second elastic piece abuts against the inner wall of the accommodating cavity.
5. The reciprocating power tool of claim 3, wherein: the reciprocating rod is provided with a notch which is located on the circumferential surface and extends longitudinally, the notch is communicated with the accommodating cavity, and the balance block extends outwards from the accommodating cavity and penetrates out of the notch and exceeds the circumferential surface of the reciprocating rod.
6. The reciprocating power tool of claim 5, wherein: the reciprocating mechanism comprises a front end bushing which is fixed in the shell and sleeved on the reciprocating rod, the front end bushing is positioned at the longitudinal front end of the sliding part and is provided with a groove facing the opening of the balance block, and the groove is used for limiting the longitudinal movement of the balance block.
7. The reciprocating power tool of claim 2, wherein: the balancing piece with first elastic component cover is located on the reciprocating lever, first elastic component is located the vertical rear side of balancing piece, the front end of first elastic component connect in balancing piece and rear end butt in the reciprocating lever, balanced subassembly is still located including the cover on the reciprocating lever and be located the second elastic component of balancing piece longitudinal front side, the rear end of second elastic component connect in balancing piece and front end butt in the casing.
8. The reciprocating power tool of claim 7, wherein: the sliding part outwards stretches out the peripheral surface of reciprocating lever, the casing is located including the cover the front end bush on the reciprocating lever, the front end bush is located the vertical front end of sliding part just is fixed in the casing, the rear end butt of first elastic component in the sliding part, just the front end butt of second elastic component in the front end bush.
9. The reciprocating power tool of claim 2, wherein: the motor is provided with a motor shaft extending along the longitudinal direction, the transmission mechanism comprises a motor shaft tooth positioned at the tail end of the motor shaft and a transmission gear meshed with the motor shaft tooth, and the transmission gear and the motor shaft tooth are of bevel gear structures.
10. The reciprocating power tool of claim 9, wherein: the transmission mechanism comprises an eccentric pin which is positioned on the transmission gear and is far away from the circle center of the transmission gear, the sliding part is provided with a sliding groove which is inwards sunken from the bottom surface, and the eccentric pin is connected into the sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110419914.1A CN113210728A (en) | 2021-04-19 | 2021-04-19 | Reciprocating electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110419914.1A CN113210728A (en) | 2021-04-19 | 2021-04-19 | Reciprocating electric tool |
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| Publication Number | Publication Date |
|---|---|
| CN113210728A true CN113210728A (en) | 2021-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110419914.1A Pending CN113210728A (en) | 2021-04-19 | 2021-04-19 | Reciprocating electric tool |
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| CN (1) | CN113210728A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT241218B (en) * | 1961-07-14 | 1965-07-12 | Yasuhito Yamaoka | Device for preventing vibrations in reciprocating piston engines |
| JP2001353618A (en) * | 2000-06-14 | 2001-12-25 | Makita Corp | Reciprocating cutting tool |
| CN202556373U (en) * | 2012-03-21 | 2012-11-28 | 南京德朔实业有限公司 | Reciprocating electric tool balancing mechanism |
| CN203254010U (en) * | 2013-04-08 | 2013-10-30 | 宁波伊司达工具有限公司 | Electric reciprocating saw |
| CN105377510A (en) * | 2012-12-31 | 2016-03-02 | 罗伯特·博世有限公司 | Reciprocating tool with fluid driven counterweight |
| JP2016193477A (en) * | 2015-04-01 | 2016-11-17 | 株式会社マキタ | Reciprocating tool |
| CN109834331A (en) * | 2017-11-28 | 2019-06-04 | 余姚市瑞德工具有限公司 | A kind of reciprocating electric tool |
-
2021
- 2021-04-19 CN CN202110419914.1A patent/CN113210728A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT241218B (en) * | 1961-07-14 | 1965-07-12 | Yasuhito Yamaoka | Device for preventing vibrations in reciprocating piston engines |
| JP2001353618A (en) * | 2000-06-14 | 2001-12-25 | Makita Corp | Reciprocating cutting tool |
| CN202556373U (en) * | 2012-03-21 | 2012-11-28 | 南京德朔实业有限公司 | Reciprocating electric tool balancing mechanism |
| CN105377510A (en) * | 2012-12-31 | 2016-03-02 | 罗伯特·博世有限公司 | Reciprocating tool with fluid driven counterweight |
| CN203254010U (en) * | 2013-04-08 | 2013-10-30 | 宁波伊司达工具有限公司 | Electric reciprocating saw |
| JP2016193477A (en) * | 2015-04-01 | 2016-11-17 | 株式会社マキタ | Reciprocating tool |
| CN109834331A (en) * | 2017-11-28 | 2019-06-04 | 余姚市瑞德工具有限公司 | A kind of reciprocating electric tool |
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