CN103348874B - Novel pruner - Google Patents
Novel pruner Download PDFInfo
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- CN103348874B CN103348874B CN201310314200.XA CN201310314200A CN103348874B CN 103348874 B CN103348874 B CN 103348874B CN 201310314200 A CN201310314200 A CN 201310314200A CN 103348874 B CN103348874 B CN 103348874B
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- motor
- pruner
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- pinion stand
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Abstract
The invention relates to the technical field of garden machines, in particular to a novel pruner. The novel pruner comprises a pruner shell, a motor, a main handle, an auxiliary handle, a blade and a transmission mechanism. The motor is arranged in the pruner shell, the output shaft of the motor is connected with the blade through the transmission mechanism, the transmission mechanism comprises a reduction gear in transmission connection with the output shaft of the motor and an eccentric wheel driving the blade to carry out reciprocating motion, and the reduction gear drives the eccentric wheel through an unloading device. The main handle is fixedly arranged at the front end of the pruner shell, and the auxiliary handle is rotatably arranged at the rear end of the pruner shell. The novel pruner is reasonable and compact in structure, the auxiliary handle and the pruner shell body can be rotated to adjust an operating posture, and fatigue of an operator can be reduced better. The transmission mechanism has an automatic unloading mode and a manual braking mode, the rate that the pruner body is damaged due to the fact that the blade is stuck by hard articles is reduced, the using is stable, and the service life is longer.
Description
Technical field
The present invention relates to graden machine technical field, particularly a kind of Novel pruner.
Background technology
Pruner a kind of to be driven by motor, by eccentric wheel, rotary motion converted to upper and lower reciprocating knives, is used for cutting the instrument of various shrub, hedgerow.Along with people pay attention to gradually to the Greening problem of environment, the pruning maintenance of Urban vegetation cover also increases thereupon, and efficiently pruner becomes a kind of indispensable greening instrument easily.
Electric trimmer is in the market of a great variety, configurations, generally comprise frame, motor, cutting blade, motor is connected with cutting blade by transmission mechanism, and the convert rotational motion of motor is the reciprocating motion of blade by eccentric wheel by gear reduction mechanism.Pruner prune process in hard object block time, easy motor damage can not be shut down in time, therefore on transmission mechanism, generally all be provided with discharge mechanism, disconnect the connection between motor and blade by the mode of friction driving skid.But which exists following deficiency, complex structure parts are more, and impact when running into hard object can cause damage to driving-chain itself, and after repeatedly skidding, friction member wearing and tearing and flexible fastening piece easily lost efficacy, and caused transmission performance to reduce.
Operator is in use pruner pruning process, constantly conversion different gestures and position are carried out, the pruner first had can not adjust according to the posture of the use habit of operator and specific works environment and angle, uses very inconvenient, and adds the labour intensity of operator.Therefore, be necessary to improve current technology.
Summary of the invention
The object of the invention is to the defect for prior art and deficiency, a kind of rational in infrastructure, easy to operate, reliable and stable Novel pruner is provided.
For achieving the above object, the present invention is by the following technical solutions:
A kind of Novel pruner of the present invention, comprise casing, motor, main handle, secondary handle, blade and transmission mechanism, described motor is located in casing, the output shaft of motor is connected with blade by transmission mechanism, described transmission mechanism comprises the deceleration device be in transmission connection with the output shaft of motor, with the eccentric wheel that knife section moves back and forth, deceleration device is by discharge mechanism band movable eccentric wheel; Described main handle is fixed at casing front end, and secondary handle is located at casing rear end rotationally.
Further, center bearing bracket is provided with in described casing, central shaft is connected with between center bearing bracket and the base plate of casing, discharge mechanism and eccentric wheel are sheathed on central shaft, the output shaft of motor is in transmission connection through center bearing bracket and deceleration device, and deceleration device is located at central shaft side and is in transmission connection with discharge mechanism.
Further, described deceleration device comprises deboost axle and the secondary gear that rotates centered by deboost axle and tertiary gear, and secondary gear is provided with axle sleeve, and tertiary gear to be sheathed on axle sleeve and to be connected and axle sleeve synchronous rotary by pin; Described secondary gear and discharge mechanism are in transmission connection, and tertiary gear engages with the output shaft of motor, and tertiary gear the number of teeth be greater than the number of teeth of secondary gear.
Further, described discharge mechanism comprises pinion stand, is inserted in the one-level gear of pinion stand upper end, adjustment ring, butterfly spring and jump ring successively, pinion stand has annular groove, and jump ring to be arranged in annular groove and to being located on butterfly spring; Described eccentric wheel coordinates with pinion stand lower end and links.
Further, described pinion stand upper end and adjustment ring corresponding position have breach, and adjustment ring inner ring is provided with the projection coordinated with breach; Described one-level gear and be equipped with friction shim between adjustment ring and pinion stand.
Further, described discharge mechanism also comprises brake block and torsion spring, and brake block lower end is arranged in pinion stand, and torsion spring is to being located in pinion stand, and torsion spring two ends are connected with brake block and eccentric wheel respectively.
Further, described casing rear end has circular interface, and interface inwall is provided with the rotation slot of annular, and the outer of secondary handle front end is provided with the spacing ring coordinated with rotation slot, secondary handle front end is rotating is arranged in interface, and is provided with rotating and limiting mechanism between secondary handle and casing.
Further, described rotating and limiting mechanism comprises some locating buttons be located on interface inwall, and some locating buttons are along the evenly distributed setting of the interface first half; Described secondary handle front end and locating button corresponding position are provided with can the alignment pin of fore-aft travel, and the front end of alignment pin is inserted in locating button, is provided with back-moving spring between alignment pin and secondary handle.
Beneficial effect of the present invention is: the present invention is rational in infrastructure compact, and auxiliary-handle and the rotatable adjustment operating attitude of chassis body, can reduce the fatigue strength of operator better; By having the transmission mechanism of Self-tipping and hand brake two kinds of patterns, effectively reducing hard object and blocking the probability that blade causes body to damage, use stable, the life-span is longer.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is shell part cross-sectional view of the present invention;
Fig. 3 is transmission mechanism detonation configuration schematic diagram of the present invention;
Fig. 4 is discharge mechanism cross-sectional view of the present invention;
Fig. 5 is transmission mechanism assembly structure schematic diagram of the present invention.
In figure:
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
A kind of Novel pruner of the present invention, comprise casing 1, motor 3, main handle 2, secondary handle 29, blade 4 and transmission mechanism, center bearing bracket 6 is provided with in described casing 1, central shaft 8 is connected with between the base plate 7 of center bearing bracket 6 and casing 1, motor 3 is being fixed on center bearing bracket 6, transmission mechanism is located at below center bearing bracket 6, and the output shaft of motor 3 is connected with blade 4 by transmission mechanism through after center bearing bracket 6; Described transmission mechanism comprises deceleration device and discharge mechanism, be in transmission connection between deceleration device and discharge mechanism, discharge mechanism is provided with the eccentric wheel 5 of band knife section 4, and motor 3 is rotated by deceleration device and discharge mechanism band movable eccentric wheel 5 and then is with knife section 4 to move back and forth.
Described discharge mechanism and eccentric wheel 5 are sheathed on central shaft 8, and central shaft 8 side is located at by deceleration device, and are in transmission connection with discharge mechanism and motor 3 respectively.
Described deceleration device comprise deboost axle 9 and centered by deboost axle 9 rotate secondary gear 10 and tertiary gear 11, deboost axle 9 be located at central shaft side and two ends respectively with center bearing bracket 6 and base plate 7 hinged, secondary gear 10 is provided with axle sleeve 12, tertiary gear 11 to be sheathed on axle sleeve 12 and to be connected and axle sleeve 12 synchronous rotary by pin, connecting pin can rupture when being subject to impacting, and then avoid the damage of miscellaneous part in deceleration device, reduce the maintenance cost of complete machine; Described secondary gear 10 engages with discharge mechanism and realizes being in transmission connection, tertiary gear 11 engages with the output shaft of motor 3, and tertiary gear 11 the number of teeth be greater than the number of teeth of secondary gear 10, the number of teeth on the output shaft of motor 3 is less than again the number of teeth of secondary gear 10, and then the High Rotation Speed of motor 3 realizes slowing down by secondary gear 10 and tertiary gear 11 and exports, with reduce start and braking time impact to motor 3 and transmission system.
Described discharge mechanism comprises pinion stand 13, be inserted in the one-level gear 14 of pinion stand 13 upper end successively, adjustment ring 15, butterfly spring 16 and jump ring 17, the outer rim of pinion stand 13 is provided with the stage of conflicting with one-level gear 14, the pinion stand 13 of stage upper end has annular groove 18, jump ring 17 to be arranged in annular groove 18 and to being located on butterfly spring 16, jump ring 17 coordinates butterfly spring 16 with stage, adjustment ring 15, one-level gear 14 is fixed on pinion stand 13, and butterfly spring 16 provides axial compressive force to make close contact between itself and one-level gear 14 to adjustment ring 15, when the secondary gear 10 in deceleration device drives one-level gear 14 to rotate, one-level gear 14 and adjustment ring 15 mating band moving gear seat 13 rotate.
Described pinion stand 13 upper end and adjustment ring 15 corresponding position have breach 19, and adjustment ring 15 inner ring is provided with the projection 20 coordinated with breach 19, and protruding 20 to snap in breach 19 and then driven gear seat 13 synchronous rotary when adjustment ring 15 is rotated; Described one-level gear 14 and be equipped with friction shim 21 between adjustment ring 15 and pinion stand 13, friction shim 21 for increasing frictional drive coefficient between one-level gear 14 and adjustment ring 15, when blade 4 is blocked by hard object, the torsion of motor 3 exceedes the axial friction that butterfly spring 16 provides, then skid between one-level gear 14 and adjustment ring 15, because friction shim 21 is copper packing ring, its wearing coefficient is lower, a Wear Friction pad 21 when therefore skidding, only need change friction shim 21 cost after repeatedly skidding lower.
Described discharge mechanism also comprises brake block 22 and torsion spring 23, brake block 22 lower end is arranged in pinion stand 13, torsion spring 23 is arranged in pinion stand 13, and torsion spring 23 and pinion stand 13 inwall are conflicted, the direction of rotation of pinion stand 13 is contrary with the hand of spiral of torsion spring 23, therefore torsion spring 23 can be driven to rotate when pinion stand 13 rotates, torsion spring 23 two ends are connected with brake block 22 and eccentric wheel 5 respectively, and eccentric block 5 and brake block 22 are with torsion spring 23 synchronous axial system; When discharge mechanism operates, brake bar blocks brake block 22 makes it stop operating, and torsion spring 23 reduced separating tooth wheel seat 13 and then disconnection are in transmission connection, and discharge mechanism realizes braking.
Described main handle 2 is fixed at casing 1 front end, and secondary handle 29 is located at casing 1 rear end rotationally; Described casing 1 rear end has circular interface 24, interface 24 inwall is provided with the rotation slot 25 of annular, the outer of secondary handle 29 front end is provided with the spacing ring 26 coordinated with rotation slot 25, secondary handle 29 front end is inserted in interface 24, spacing ring 26 snaps in rotation slot 25 and makes secondary handle 29 and casing 1 realize axial fixing, and spacing ring 26 is rotatable in rotation slot 25, and then the connection between secondary handle 29 and casing 1 is rotatably adjusted, after adjustment, make it be connected and fixed by rotating and limiting mechanism; Operator can adjust the attitude of use according to the custom of self, the labour intensity that cutting is pruned is effectively reduced.
Described rotating and limiting mechanism comprises some locating buttons 27 be located on interface 24 inwall, and some locating buttons 27 are along the evenly distributed setting of interface 24 first half; Described secondary handle 29 front end and locating button 27 corresponding position are provided with can the alignment pin 28 of fore-aft travel, and the front end of alignment pin 28 is inserted in locating button 27, is provided with back-moving spring between alignment pin 28 and secondary handle 29.
The above is only better embodiment of the present invention, therefore all equivalences done according to structure, feature and the principle described in patent claim of the present invention change or modify, and are included in patent claim of the present invention.
Claims (5)
1. a Novel pruner, comprise casing (1), motor (3), main handle (2), secondary handle (29), blade (4) and transmission mechanism, described motor (3) is located in casing (1), the output shaft of motor (3) is connected with blade (4) by transmission mechanism, it is characterized in that: described transmission mechanism comprises the deceleration device be in transmission connection with the output shaft of motor (3), the eccentric wheel (5) that band knife section (4) moves back and forth, deceleration device is by discharge mechanism band movable eccentric wheel (5); Described main handle (2) is fixed at casing (1) front end, and secondary handle (29) is located at casing (1) rear end rotationally; Described deceleration device comprise deboost axle (9) and centered by deboost axle (9) rotate secondary gear (10) and tertiary gear (11), secondary gear (10) is provided with axle sleeve (12), and tertiary gear (11) is sheathed on axle sleeve (12) and goes up and connected and axle sleeve (12) synchronous rotary by pin; Described secondary gear (10) and discharge mechanism are in transmission connection, tertiary gear (11) engages with the output shaft of motor (3), and tertiary gear (11) the number of teeth be greater than the number of teeth of secondary gear (10); Described discharge mechanism comprises pinion stand (13), be inserted in the one-level gear (14) of pinion stand (13) upper end, adjustment ring (15), butterfly spring (16) and jump ring (17) successively, pinion stand (13) has annular groove (18), jump ring (17) to be arranged in annular groove (18) and to being located on butterfly spring (16); Described eccentric wheel (5) coordinates with pinion stand (13) lower end and links; Described pinion stand (13) upper end and adjustment ring (15) corresponding position have breach (19), and adjustment ring (15) inner ring is provided with the projection (20) coordinated with breach (19); Described one-level gear (14) and be equipped with friction shim (21) between adjustment ring (15) and pinion stand (13).
2. Novel pruner according to claim 1, it is characterized in that: in described casing (1), be provided with center bearing bracket (6), central shaft (8) is connected with between the base plate (7) of center bearing bracket (6) and casing (1), discharge mechanism and eccentric wheel (5) are sheathed on central shaft (8), the output shaft of motor (3) is in transmission connection through center bearing bracket (6) and deceleration device, and deceleration device is located at central shaft (8) side and is in transmission connection with discharge mechanism.
3. Novel pruner according to claim 1, it is characterized in that: described discharge mechanism also comprises brake block (22) and torsion spring (23), brake block (22) lower end is arranged in pinion stand (13), torsion spring (23) is to being located in pinion stand (13), and torsion spring (23) two ends are connected with brake block (22) and eccentric wheel (5) respectively.
4. Novel pruner according to claim 1, it is characterized in that: described casing (1) rear end has circular interface (24), interface (24) inwall is provided with the rotation slot (25) of annular, the outer of secondary handle (29) front end is provided with the spacing ring (26) coordinated with rotation slot (25), secondary handle (29) front end is rotating is arranged in interface (24), and is provided with rotating and limiting mechanism between secondary handle (29) and casing (1).
5. Novel pruner according to claim 4, it is characterized in that: described rotating and limiting mechanism comprises some locating buttons (27) be located on interface (24) inwall, and some locating buttons (27) are along the evenly distributed setting of interface (24) first half; Described secondary handle (29) front end and locating button (27) corresponding position are provided with can the alignment pin (28) of fore-aft travel, the front end of alignment pin (28) is inserted in locating button (27), is provided with back-moving spring between alignment pin (28) and secondary handle (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310314200.XA CN103348874B (en) | 2013-07-23 | 2013-07-23 | Novel pruner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310314200.XA CN103348874B (en) | 2013-07-23 | 2013-07-23 | Novel pruner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103348874A CN103348874A (en) | 2013-10-16 |
| CN103348874B true CN103348874B (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310314200.XA Active CN103348874B (en) | 2013-07-23 | 2013-07-23 | Novel pruner |
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| CN (1) | CN103348874B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103782813B (en) * | 2014-01-17 | 2015-12-09 | 宁波爱乐吉电动工具有限公司 | Electric shrub and hedge trimmer |
| CN105981598A (en) * | 2015-02-11 | 2016-10-05 | 杭州鲁茨科技有限公司 | Pruning shears |
| CN106900385B (en) * | 2017-02-24 | 2020-02-11 | 宁波创跃园林工具有限公司 | Multifunctional pruning machine |
| CN107960226A (en) * | 2017-12-06 | 2018-04-27 | 宁波诗宏千禧贸易有限公司 | A kind of pruner |
Citations (8)
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|---|---|---|---|---|
| CN2759138Y (en) * | 2004-11-28 | 2006-02-22 | 重庆宗申技术开发研究有限公司 | Rotary green hedge machine rear handle |
| CN2768422Y (en) * | 2005-02-22 | 2006-04-05 | 沈高明 | Braker for pruning machine |
| CN201075917Y (en) * | 2007-05-06 | 2008-06-25 | 宁波爱乐吉电动工具有限公司 | Pruning machine |
| CN201138957Y (en) * | 2007-11-30 | 2008-10-29 | 沈高明 | Brake of pruning machine |
| CN101331839A (en) * | 2007-06-26 | 2008-12-31 | 沈高明 | Pruning machine |
| CN201398326Y (en) * | 2009-05-12 | 2010-02-10 | 浙江亚特电器有限公司 | Novel hand-held cotton topping machine |
| CN102224794A (en) * | 2011-04-19 | 2011-10-26 | 罗华平 | Power-driven fruit tree trimmer |
| CN203387960U (en) * | 2013-07-23 | 2014-01-15 | 宁波创跃园林工具有限公司 | Novel pruner |
-
2013
- 2013-07-23 CN CN201310314200.XA patent/CN103348874B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2759138Y (en) * | 2004-11-28 | 2006-02-22 | 重庆宗申技术开发研究有限公司 | Rotary green hedge machine rear handle |
| CN2768422Y (en) * | 2005-02-22 | 2006-04-05 | 沈高明 | Braker for pruning machine |
| CN201075917Y (en) * | 2007-05-06 | 2008-06-25 | 宁波爱乐吉电动工具有限公司 | Pruning machine |
| CN101331839A (en) * | 2007-06-26 | 2008-12-31 | 沈高明 | Pruning machine |
| CN201138957Y (en) * | 2007-11-30 | 2008-10-29 | 沈高明 | Brake of pruning machine |
| CN201398326Y (en) * | 2009-05-12 | 2010-02-10 | 浙江亚特电器有限公司 | Novel hand-held cotton topping machine |
| CN102224794A (en) * | 2011-04-19 | 2011-10-26 | 罗华平 | Power-driven fruit tree trimmer |
| CN203387960U (en) * | 2013-07-23 | 2014-01-15 | 宁波创跃园林工具有限公司 | Novel pruner |
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| Publication number | Publication date |
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| CN103348874A (en) | 2013-10-16 |
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Denomination of invention: A New Type of Pruning Machine Effective date of registration: 20230824 Granted publication date: 20150422 Pledgee: Industrial and Commercial Bank of China Limited Fenghua Branch Pledgor: NINGBO CHEERY GARDEN TOOLS Co.,Ltd. Registration number: Y2023980053536 |