CN202340429U - Low vibration grass machine - Google Patents
Low vibration grass machine Download PDFInfo
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- CN202340429U CN202340429U CN201120157419XU CN201120157419U CN202340429U CN 202340429 U CN202340429 U CN 202340429U CN 201120157419X U CN201120157419X U CN 201120157419XU CN 201120157419 U CN201120157419 U CN 201120157419U CN 202340429 U CN202340429 U CN 202340429U
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Abstract
The utility model relates to anelectric grass machine which is used for trimming lawns in flower beds, gardens, parks and places near to roads , particularly relates to a low vibration grass machine , which comprises a length-adjustable telescoping rod of a grass machine middle-upper part of a main rod , 180 degree rotation rack , and a circuit-added insurance. The beneficial effects of the utility model are to improve low vibration quality and good usage of the grass machine by increasing vibration and noise reduction material of inside and outside a motor casing, improving positioning slide of a double acting switch, improving laser sight tool for coaxiality of the motor and a wire box pedestal, and improving the noise reduction grass wire.
Description
Technical field
The utility model relates to the electronic mower that places such as being used for flower bed, garden, park and road next door cuts the grass on a lawn, and especially a kind of improvement of low vibration mower comprises the expansion link of mower middle and upper part mobile jib adjustable length; The turnback runing rest; Reach circuit and add insurance, motor adds the moving foamed plastics of vibration damping, the improvement of sliding in the double acting switch location; And the laser that improves motor and line box base axiality sights frock and the improvement of the line of beating the grass, and assist handle.
Background technology
Mower is widely used in mowing by the selected mode of people's hobby.Some operation pedestrian likes and when be accustomed to use mower, in the local time of particularly running into the corner, presses the knob at middle part, turns over mobile jib 180 degree again, and the relieving hand by spring reset, both can be worked; But mobile jib does not often live during this location surely, and trace waves.Operation pedestrian's height is different, and custom takes the difference of operating angle, needs the mobile jib adjustable length, and the round formula bar of original location mobile jib is with the mechanism of riveting, leaves to be prone to cause the shortcoming that the mobile jib trace rocks.Primary circuit lacks the overloading protection, if add insurance or overtemperature relay, and will be safer.The good teamwork of the location of double acting switch and slip push button also has necessity of further optimization; The low vibratility and the low noise of low vibration mower if consider to add the moving foamed plastics of vibration damping and add the damping deadener in the many places of mower at motor, can have certain curative effect; And the very big root of the vibration of mower and noise is in the precision and the form and position tolerance of power and instrument; If the motor of raising and line box base axiality are arranged; And survey dynamic balancing, and existing precision modulding parts, there is laser to sight improving one's methods of frock again when hoping; But pursuing the low vibration low noise of mower, in fact is a hard nut to crack of leaving over for a long time.
Summary of the invention
In order to remedy the shortcoming due to the existing mechanism of mower; Knob, mobile jib is still located reliably and not micro-waving after turning over 180 degree; It is convenient and do not rock to make mobile jib regulate length, makes circuit that the overloading security protection arranged, and makes the low vibratility of low vibration mower obtain improveing with low noise; Improve motor and line box base axiality, the present invention provides a kind of improvement of low vibration mower.
The technical scheme that its technical problem of the utility model solution is taked is:
A kind of improvement of low vibration mower, the double acting switch that contains that comprises mower is located the improvement handle assembly that slides, the expansion link assembly of middle and upper part mobile jib adjustable length; The runing rest assembly of turnback, motor assembly, the flake down that contains the line box base assembly of beating the grass; Attachment component; Reach circuit and add the insurance safety circuit, motor adds the moving scheme of vibration damping of foamed plastics and adds the damping foamed material in the many places of mower, and the improvement of the line of beating the grass; And improve motor and line box base axiality and survey dynamically balanced existing precision modulding parts and have laser to sight frock, reach the improvement of assist handle; It is characterized in that:
Described a kind of low vibration mower; Be to assemble successively to comprise the improvement handle assembly that slides in the double acting switch location from top to bottom; The expansion link assembly of middle and upper part mobile jib adjustable length and the runing rest assembly of turnback, and motor assembly is beaten the grass assembly and is combined into mower with the flake down that contains the line box base; Its attachment component is braces glasses and standby; The circuit of mower is added with insurance and the formation safety circuit, and motor adds foamed plastics and reaches the moving scheme of the vibration damping that adds the damping deadener in the many places of mower, and the laser of raising motor and line box base axiality is sighted the improvement of frock and assist handle.
The improvement of described a kind of low vibration mower, it contains the improvement handle assembly that slides in the double acting switch location, by power line (1), cable cover(ing) (2); Handle upper casing (3-1), handle lower casing (3-2), switch trigger (4), switch trigger spring (5); Terminal board (6), in connect cable (7-1), inductance (7-2), self-tapping screw (8); Tension disc (9), switch (10), safe push button (11), safe push button spring (12) is formed; It is characterized in that: described handle upper casing (3-1) and handle lower casing (3-2) are that the first from left right side is combined into handle; It all is provided with wire-hanging hook (3-2a); Reached line breach (3-2b); So that power line (1) hangs on the described wire-hanging hook from folding the passing through of described line breach excessively again, purpose is to be difficult for pulling for line; Described switch trigger (4) is housed on the handle, switch trigger spring (5), terminal board (6), in connect cable (7-1), inductance (7-2), self-tapping screw (8), tension disc (9), switch (10), safe push button (11), safe push button spring (12), cable cover(ing) (2); Described switch trigger (4) and described safe push button (11) are equipped with projecting block in place and collide, please referring to figure (11); Have only when promoting safe push button (11) and compressing secure push button spring (12); Make the projecting block reach that described safe push button (11) is provided with in place and when not colliding; Just can press described switch trigger (4); And touch described switch (10) by the switch trigger, and could connect the mower motor circuit, its objective is and avoided neglectful misoperation.When unclamping described switch trigger (4), described switch trigger spring (5) makes its return, follows described safe push button spring (12) and promotes described safe push button (11) return; Described switch (10) is return also, for the DPDT normal off is opened state, so that the mower motor cuts off the power supply and do not work; The design of this double-pole double break makes the mower motor not charged, also is of value to safety.Described cable cover(ing) (2) is a soft pvc, to connecing cable (7-1) in described protective effect is arranged also.Assembly method has any it is to be noted, plays self-tapping screw (8) and will use the pneumatic screw of deciding moment of torsion to criticize or electric screw is criticized, so that moment of torsion is rationally even.
The improvement of described a kind of low vibration mower, it contains the expansion link assembly of middle and upper part mobile jib adjustable length, by the telescopic tube assembly (13) that contains flexible button and snap-on; Pipe close (13-1), electric capacity (13-2), telescopic tube (13-3); Spring cable line (13-4), runing rest (13-5), pipe end location plug (13-6); Tapping screw (13-7), rotary knob spring (14) is formed; It is characterized in that; Described pipe close (13-1) is equipped with in the described upper end that contains the telescopic tube assembly (13) of flexible button and snap-on, and is fixed on the handle that is attached together by described handle upper casing (3-1) and handle lower casing (3-2) the first from left right side; Described telescopic tube assembly (13) internal activity that contains flexible button and snap-on is equipped with described telescopic tube (13-3); Be placed with described electric capacity (13-2) and spring cable line (13-4) in described telescopic tube (13-3) inside; In the bottom of described telescopic tube (13-3) described runing rest (13-5) is housed, pipe end location plug (13-6), tapping screw (13-7) and rotary knob spring (14); The described outside that contains the telescopic tube assembly (13) of flexible button and snap-on is provided with axial long recess, so that installing can be allocated the assist handle (16) and the assist handle support (17) of position vertically; Described telescopic tube (13-3) please referring to figure (14), which is provided with elongated slot (13-3b) vertically, and a plurality of for example 12 gears (13-3c), so that mate with the described telescopic tube assembly (13) that contains flexible button and snap-on; Push flexible button and snap-on (13-3d) that the described telescopic tube assembly (13) that contains flexible button and snap-on is provided with, just can pull out and into extract described telescopic tube (13-3) and choose gear wantonly, be transferred to the mower working depth that the operator likes and get final product.
The improvement of described a kind of low vibration mower; It contains the runing rest assembly of turnback; Comprise two notions, one is the runing rest assembly that changes mower bottom 180 degree through described runing rest (13-5), and another is the assist handle bracket assembly that makes the assist handle turnback.Described assist handle bracket assembly, by first nut (15-1), knob (15-2), assist handle (16), assist handle support (17), hexagon-headed bolt (18) is formed; It is characterized in that: described assist handle support (17) active card is contained in the described outside that contains the telescopic tube assembly (13) of flexible button and snap-on, and matches with the axial long recess that which is provided with, and on described assist handle support (17); Please referring to Fig. 2 and Figure 16; First nut (15-1) is housed, knob (15-2), assist handle (16); Degree of tightness knob (15-2) can be allocated assist handle (16) and assist handle support (17) vertically to convenient position.And describedly change the runing rest assembly of mower bottom 180 degree through runing rest (13-5), it is characterized in that: form a connecting link by described runing rest (13-5), hold telescoping tube on promptly, open the mower lower casing down, please referring to Figure 12 and Figure 13; In the bottom of described telescopic tube (13-3) described runing rest (13-5) is housed, pipe end location plug (13-6), tapping screw (13-7) and rotary knob spring (14), and Fig. 3, Fig. 4 and Fig. 5; The described runing rest assembly that contains turnback also comprises protective cover (19), protection steel wire (20), clamping piece (21), tapping screw (22), foaming ring (23), and the motor chassis upper casing (30-1) that connects, motor chassis lower casing (30-2), knob (31); Described runing rest (13-5) is provided with oblong macropore (13-5a), also is provided with limited block (13-5b), so that pack telescoping tube into; Runing rest (13-5) is contained in the motor chassis, and matches with knob (31); When pressing knob (31), the limited block (13-5b) of runing rest (13-5) is moved down, then can described telescopic tube (13-3) be gone to 180 degree; When unclamping knob (31), rotary knob spring (14) makes on the limited block (13-5b) of runing rest (13-5) and moves, and then still can block telescoping tube (13-3), because of in the end of telescoping tube (13-3), is provided with the square tube hole, to join limited block (13-5b), referring to Figure 14.
The improvement of described a kind of low vibration mower, it contains motor assembly, and by electric machine assembly (24), motor (24-1) supports pipe box (24-2), line box base (24-3), second nut (24-4), safety cap (24-5) is formed; The improvement of described a kind of low vibration mower, its flake down that contains the line box base assembly of beating the grass, by solenoid component (25), reel spring (25-1); Machine tooth screw (25-2), reel (25-3), nylon wire (25-4), reel aluminium head (25-5); Line eye inserted sheet (25-6), line box cover (25-7), the line bag cell-shell (25-8) of band cell-shell labeling; Blade (27), machine tooth screw (28), the 3rd nut (29) is formed; The improvement of described a kind of low vibration mower, it contains up and down housing assy of motor chassis, by motor chassis shell component (30) up and down, motor chassis upper casing (30-1), motor chassis lower casing (30-2), knob (31), and motor adds foamed material (30-3) and forms; The improvement of described a kind of low vibration mower, it contains attachment component, by safety goggles (32), shoulder belt (33), subsequent use nylon wire (34), extended line (35) is formed.
The present invention provides a kind of improved safety circuit that is added with the insurance protection of low vibration mower; It contains the safety circuit that is added with the insurance protection, referring to the circuit diagram shown in figure (21), by insurance (RC); Switch (K), first inductance (L3), second inductance (L4); Electric capacity (C), and the series excited machine (M) that is provided with first winding (L1) and second winding (L2) is formed; First inductance (L3) in the described circuit diagram and second inductance (L4) all adopt the inductance (7-2) shown in figure (18); The present invention specially is added with insurance (RC), and it uses fuse, or uses electrothermal relay, or uses overcurrent protector, in the hope of safer.
The improvement of described a kind of low vibration mower, it contains the moving scheme of vibration damping that motor adds foamed material, is major contribution of the present invention; Be inside and outside motor chassis upper casing (30-1) and motor chassis lower casing (30-2) and outside the motor; Be added with damping foamed material (30-3), simultaneously, in the appropriate location near the assembly of beating the grass of motor chassis upper casing (30-1) and motor chassis lower casing (30-2) and motor; Shown in figure (20), install damping foamed material (30-3) additional.Described material (30-3), or with the metallic fiber of heatproof, or nonmetallic materials are filled or half are filled.Or with the sound-absorbing material of temperature in anti-sound-absorbing porous material particularly, or flexible material, and film material; Described porous material can be fiber-like, the foam class, and particulate species, single with good, more or less mixing application is good.Usable fibers class such as rock wool, or glass fiber, or mineral wool super glass wool particularly; Or use the foam class, fireproof; Or with particulate species such as expanded perlite, porous clay brick, and the fabric of heatproof, felt is filled or is attached; Because acoustic absorptivity (standing-wave-tube method acoustic absorptivity, the reverberation method acoustic absorptivity) difference of each material, incident angle is also influential to acoustic absorptivity, and what have is better to the high frequency sound absorption; What have absorbs better all-bottom sound, and multiple material has complementary usefulness, and vibration involves noise and is reflected; Transform, absorb, decay; So help further improved performance index, described damping foamed material can also be added in the many places such as the protective cover (19) of mower; The runing rest assembly has improvement and comprehensively form a kind of effectiveness in vibration suppression that can reach, and noise reduction has improved low vibration mower.
The present invention is to a kind of improved another important providing of low vibration mower; Being the method that contains laser of making and assembling precision for improving, is to improve motor and line box base axiality and survey dynamically balanced existing precision modulding parts to have laser to sight improving one's methods of frock again.At first, improved requirement,, also strengthened the motor and the line box base magnitude of interference, used afterburning frock clamp pressing more for example to the requirement of motor and line box base axiality to form and position tolerance from the drawing design; Moreover, preparing precision die with numerical control CNC machining center, and plastic such as line box base are carried out post processing, its main method is to use the high-temperature steam method, preferably steaming is enough more than three hours, does not lose shape in the hope of the plastic size is yielding; Secondly, for improving motor and line box base axiality, during assembling, adopt as scheming the calibration motor shown in (22) and the frock press that has laser to sight of line box base axiality.The described frock that has laser to sight, by press (41), first laser is sighted head (42); Motor locating piece (44); 2 middle cylinders (43), line box base locating piece (46), the first little cylinder (45) and the second little cylinder (47); Reach second laser and sight head (48), the 3rd laser sights head (49) and the 4th laser is sighted head (50) and workpiece motor (24-1) and line box base (24-3) institute composition jointly; It is characterized in that: the top of described press (41) is provided with first laser and sights head (42), so that sights electrical axis; The middle part of described press (41), each motor locating piece (44) of one about being provided with, and by the servo-actuated respectively of one of 2 middle cylinders (43); The following side of described press (41); Each line box base locating piece (46) of one about being provided with; And respectively by the first little cylinder (45) and second little cylinder (47) servo-actuated, the leave from office portion of described press (41), the center is provided with the 4th laser and sights head (50); The position of the alignment line box base locating piece of both sides, each second laser of one is sighted head (48) and is sighted (49) with the 3rd laser about being provided with; As improvement, the signal parameter that described second locating piece (46) and first locating piece (44) or be provided with pressure sensor, each laser are sighted head and each locating piece and pressure sensor is handled by CNC or differential signal is carried out through the nozzle flapper follower.Motor and line box base axiality through the calibration and with the pressing of this frock after; And survey the dynamic balancing correction through bulk sampling and can go up the product line; The survey dynamic balancing of also will sampling of last complete machine in the hope of being aided with many places damping foamed material, and is comprehensively formed a kind of improved low vibration mower that has.
The present invention is the improvement for the line itself of beating the grass to a kind of improved another important providing of low vibration mower.When projection will stretch out line during the operator found to push sometimes, the phenomenon that nylon wire blocks but often appearred.Its one of the main reasons is to want the improvements except that being designed with of runner, and also having an important reasons is line itself.Because existing line comprises round line and square or lineae trapezoidea, card line phenomenon is arranged once in a while all.Particularly square or diamond-shaped cross-section and twist into the line of screw thread appearance; Though the effect of certain noise-decreasing is arranged when high speed rotating; So also can be described as special-shaped low noise line; But the sharp stupefied limit of or rhombus square because of it causes going out of runner sheath to be reined on the linear window and has ground narrow groove, thereby causes occurring the phenomenon that nylon wire blocks; The present invention provides a kind of nylon outlet of improvement of mower, also can be described as mower abnormity non-symmetric line.The technical scheme that the present invention taked is: a kind of mower abnormity multiple-grooved line, the characteristic of described special-shaped line is to have a plurality of asymmetric notches (34a) on its cross section), described notch does not become five equilibrium to be uniformly distributed with along circumference; Described notch is not square, the indention but both sides are not parallel, and bottom land is camber, to adapt to the mowing kind of different soft and hard.
The invention has the beneficial effects as follows: comprehensively forming a kind of effectiveness in vibration suppression that can reach has improvement, and noise reduction has improved low vibration mower, evolutionary operation property, the quality and the frock usability of lifting product, and safety in utilization.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is the sketch map of mower complete machine of the present invention.
Fig. 2 is the exploded perspective view of handle and assist handle.
Fig. 3 is the exploded perspective view of the expansion link assembly of mobile jib adjustable length of the present invention.
Fig. 4 is the exploded perspective view of motor chassis.
Fig. 5 is a motor assembly and the beat the grass exploded perspective view of assembly of the flake down that contains the line box base.
Fig. 6 is the sketch map of safety goggles (32).
Fig. 7 is the sketch map of shoulder belt (33).
Fig. 8 is the sketch map of subsequent use nylon wire (34).
Fig. 9 is the sketch map of extended line (35).
Figure 10 is the sketch map of line bag cell-shell (25-8).
Figure 11 is the sketch map of switch in the handle.
Figure 12 is the partial schematic diagram of runing rest assembly.
Figure 13 is the sketch map of runing rest.
Figure 14 is the sketch map of telescopic tube (13-3).
Figure 15 is the partial schematic diagram that power line (1) and cable cover(ing) (2) are installed.
Figure 16 is the sketch map of assist handle bracket assembly.
Figure 17 is the sketch map that motor is contained in interior.
Figure 18 is the sketch map of inductance.
Figure 19 is the sketch map of line eye inserted sheet (25-6).
Figure 20 is the motor chassis inside and outside sketch map that adds damping foamed material (30-3).
Figure 21 is the safety circuit that is added with the insurance protection.
Figure 22 has laser to sight the sketch map of frock.
Figure 23 is the sketch map of mower abnormity non-symmetric line.
Figure 24 is the local enlarged diagram of mower abnormity non-symmetric line.
Like Fig. 1-shown in Figure 24, among the figure:
1. be power line (1);
2. be cable cover(ing) (2);
3-1. be handle upper casing (3-1);
3-2. be handle lower casing (3-2);
3-2a. be wire-hanging hook (3-2a);
3-2b. be line breach (3-2b);
4. be switch trigger (4);
5. be switch trigger spring (5);
6. be terminal board (6);
7-1. connect cable (7-1) in being;
7-2. be inductance (7-2);
8. be self-tapping screw (8);
9. be tension disc (9);
10. be switch (10);
11. be safe push button (11);
12. be safe push button spring (12);
13. be the telescopic tube assembly (13) that contains flexible button and snap-on;
13-1. be pipe close (13-1);
13-2. be electric capacity (13-2);
13-3. be telescopic tube (13-3);
13-4. be spring cable line (13-4);
13-5. be runing rest (13-5);
13-5a. be oblong macropore (13-5a);
13-5b is limited block (13-5b);
13-6. be pipe end location plug (13-6);
13-7. be tapping screw (13-7);
14. be rotary knob spring (14);
15-1. be first nut (15-1);
15-2. be knob (15-2);
16. be assist handle (16);
17. be assist handle support (17);
18. be hexagon-headed bolt (18);
19. be protective cover (19);
20. be protection steel wire (20);
21. be clamping piece (21);
22. be tapping screw (22);
23. be foaming ring (23);
24. be electric machine assembly (24);
24-1. be motor (24-1);
24-2. be to support pipe box (24-2);
24-3. be line box base (24-3);
24-4. be second nut (24-4);
24-5. be safety cap (24-5);
25. be solenoid component (25);
25-1. be reel spring (25-1);
25-2. be machine tooth screw (25-2);
25-3. be reel (25-3);
25-4. be nylon wire (25-4);
25-5. be reel aluminium head (25-5);
25-6. be line eye inserted sheet (25-6);
25-7. be line box cover (25-7);
25-8. be the line bag cell-shell (25-8) of band cell-shell labeling;
26. be blade cover (26);
27. be blade (27);
28. be machine tooth screw (28);
29. be the 3rd nut (29);
30. be motor chassis shell component (30) up and down;
30-1. be motor chassis upper casing (30-1);
30-2. be motor chassis lower casing (30-2);
30-3. be damping foamed material (30-3);
31. be knob (31);
32. be safety goggles (32);
33. be shoulder belt (33);
34. be subsequent use nylon wire (34);
35. be extended line (35);
RC. be insurance (RC);
K. be switch (K);
L3. be first inductance (L3);
L4. be second inductance (L4);
C. be electric capacity (C);
L1. be first winding (L1);
L2. be second winding (L2);
M. be series excited machine (M);
Nylon wire (25-4) and subsequent use nylon wire (34) can be selected for use; Fuse is adopted in insurance (RC), or selects electrothermal relay or overflowing device.
Embodiment
The operation pedestrian has worn safety goggles 32 by liking and custom is selected mower for use, also will be enclosed within on the shoulder middle part with handle with shoulder belt 33, and by careless condition route selection, or get subsequent use nylon wire 34, so that beat the grass; Connect power supply and power line 1 with extended line 35; Press operation pedestrian's height again, and custom is taked the difference of operating angle, the length of adjusting telescopic tube 13-3; And cross from described that line breach 3-2b is folding to be passed through to power line 1, hang over wire-hanging hook on the described wire-hanging hook again; One holds assist handle 16, another hand-held handle of stopping, and push safe push button 11 open and hold described switch trigger 4, just make motor drive the line of beating the grass, or with subsequent use nylon wire 34, the operation of beating the grass.
Below carry out illustrated in detail again:
Because the improvement of described a kind of low vibration mower, it contains the improvement handle assembly that slides in the double acting switch location, by power line 1, and cable cover(ing) 2; Handle upper casing 3-1, handle lower casing 3-2, switch trigger 4, switch trigger spring 5; Terminal board 6, in meet cable 7-1, inductance 7-2, self-tapping screw 8; Tension disc 9, switch 10, safe push button 11,12 compositions of safe push button spring; Again because described handle upper casing 3-1 and handle lower casing 3-2 are that the first from left right side is combined into handle; It all is provided with wire-hanging hook 3-2a, reaches line breach 3-2b, and institute is so that power line 1 crosses from described that the line breach is folding to be passed through; Hang over again on the described wire-hanging hook, make line be difficult for pulling.On handle, install described switch trigger 4, switch trigger spring 5, terminal board 6, in meet cable 7-1, inductance 7-2, self-tapping screw 8, tension disc 9, switch 10, safe push button 11, safe push button spring 12, cable cover(ing) 2.Because described switch trigger 4 is equipped with projecting block in place with described safe push button 11 and collides; Please referring to Figure 11,, make the projecting block reach that described safe push button 11 is provided with in place and when not colliding so have only when promoting safe push button 11 and compressing secure push button spring 12; Just can press described switch trigger 4; And after touching described switch 10 by the switch trigger, could connect the mower motor circuit, so just avoided neglectful misoperation.When unclamping described switch trigger 4, described switch trigger spring 5 makes its return, follows described safe push button spring 12 and promotes described safe push button 11 returns; Described switch 10 is return also; For the DPDT normal off is opened state, do not work with regard to having guaranteed to make the outage of mower motor, so so the design of this double-pole double break; Make the mower motor not charged, truly have to benefit safety.Described cable cover(ing) 2 is soft pvcs, so to meeting cable 7-1 in described protective effect is arranged also.Assembly method has any it is to be noted, plays self-tapping screw 8 and will use the pneumatic screw of deciding moment of torsion to criticize or electric screw is criticized, so that moment of torsion is rationally even; Originally the waste product of prescribed torque is not many.Because the improvement of described a kind of low vibration mower, it comprises the expansion link assembly of middle and upper part mobile jib adjustable length, by the telescopic tube assembly 13 that contains flexible button and snap-on; Pipe close 13-1, electric capacity 13-2, telescopic tube 13-3; Spring cable line 13-4, runing rest 13-5, pipe end location plug 13-6; Tapping screw 13-7,14 compositions of rotary knob spring; Described pipe close 13-1 is equipped with in the described upper end that contains the telescopic tube assembly 13 of flexible button and snap-on, and is fixed on the handle that is attached together by described handle upper casing 3-1 and handle lower casing 3-2 one the first from left right side; Described telescopic tube assembly 13 internal activities that contain flexible button and snap-on are equipped with described telescopic tube 13-3; Be placed with described electric capacity 13-2 and spring cable line 13-4 in described telescopic tube 13-3 inside; Described runing rest 13-5 is housed, pipe end location plug 13-6, tapping screw 13-7 and rotary knob spring 14 in the bottom of described telescopic tube 13-3; The described outside that contains the telescopic tube assembly 13 of flexible button and snap-on is provided with axial long recess, and institute is so that installing can be allocated the assist handle 16 and the assist handle support 17 of position vertically; Because described telescopic tube 13-3,, which is provided with elongated slot 13-3b vertically again please referring to Figure 14, and a plurality of for example 12 gear 13-3c, institute is so that mate with the described telescopic tube assembly 13 that contains flexible button and snap-on.Push flexible button and snap-on 13-3d that the described telescopic tube assembly 13 that contains flexible button and snap-on is provided with, just can pull out and into extract described telescopic tube 13-3 and choose gear wantonly, be transferred to the mower working depth that the operator likes.
Because the improvement of described a kind of low vibration mower; It contains the runing rest assembly of turnback; Comprise two notions, one is the runing rest assembly that changes mower bottom 180 degree through described runing rest 13-5, and another is the assist handle bracket assembly that makes the assist handle turnback.Again because described assist handle bracket assembly, by the first nut 15-1, knob 15-2, assist handle 16, assist handle support 17,18 compositions of hexagon-headed bolt; Described assist handle support 17 active card are contained in the described outside that contains the telescopic tube assembly 13 of flexible button and snap-on, and match with the axial long recess that which is provided with, and on described assist handle support 17; Please, the first nut 15-1 is housed, knob 15-2 referring to Fig. 2 and Figure 16; Assist handle 16; Degree of tightness knob 15-2, thus assist handle 16 and assist handle support 17 can be allocated vertically, to convenient position.Because describedly change the runing rest assembly of mower bottom 180 degree through runing rest 13-5, form a connecting link by described runing rest 13-5, hold telescoping tube on promptly, open the mower lower casing down, please referring to Figure 12 and Figure 13; Described runing rest 13-5 is housed, pipe end location plug 13-6, tapping screw 13-7 and rotary knob spring 14, and Fig. 3, Fig. 4 and Fig. 5 in the bottom of described telescopic tube 13-3; Because the described runing rest assembly that contains turnback, also comprise protective cover 19 again, protection steel wire 20, clamping piece 21, tapping screw 22, foaming ring 23, with and the motor chassis upper casing 30-1 that connects, motor chassis lower casing 30-2, knob 31; Described runing rest 13-5 is provided with oblong macropore 13-5a, also is provided with limited block 13-5b, and institute is so that the telescoping tube of packing into.Be contained in the motor chassis because of runing rest 13-5 again, and match,, then can described telescopic tube 13-3 be gone to 180 degree so when pressing knob 31, the limited block 13-5b of runing rest 13-5 is moved down with knob 31; When unclamping knob 31, rotary knob spring 14 makes on the limited block 13-5b of runing rest 13-5 and moves, and then still can block telescoping tube 13-3.Because of in the end of telescoping tube 13-3, be provided with the square tube hole, to join limited block 13-5b, referring to Figure 14, because of being that through hole just has two holes.
Because the improvement of described a kind of low vibration mower, it contains motor assembly, and by electric machine assembly 24, motor 24-1 supports pipe box 24-2, line box base 24-3, and the second nut 24-4, safety cap 24-5 forms, and volume compact is so be easy to install.The assembly because the improvement of described a kind of low vibration mower, its flake down that contains the line box base are beaten the grass, by solenoid component 25, reel spring 25-1, machine tooth screw 25-2; Reel 25-3, nylon wire 25-4, reel aluminium head 25-5, line eye inserted sheet 25-6, line box cover 25-7; The line bag cell-shell 25-8 of band cell-shell labeling, blade 27,29 compositions of machine tooth screw 28, the three nuts are wherein only made the usefulness of packing with the line bag cell-shell 25-8 of cell-shell labeling; Because of the improvement of described a kind of low vibration mower, it contains motor chassis housing assy up and down, by shell component 30 about the motor chassis, motor chassis upper casing 30-1 again; Motor chassis lower casing 30-2, knob 31, and motor adds foamed material 30-3 and forms, and the improvement of described a kind of low vibration mower; It contains attachment component, by safety goggles 32, and shoulder belt 33, subsequent use nylon wire 34; 35 compositions of extended line install mower so work as, and start nylon wire 25-4 or the siding high speed rotating that makes in the reel 25-3, just can beat the grass.When line in short-term, operator's pier is pressed, reel aluminium head 25-5 bumps ground, makes reel spring 25-1 compression, and reel 25-3 is changeed, and makes the logical wire over inserted sheet 25-6 of nylon wire 25-4 in it, and unwrapping wire.The long line of emitting is pruned by blade 27.The time spent is not placed on blade cover 26 on the blade 27, and protective action is arranged.
Because of the invention provides a kind of improved safety circuit that is added with the insurance protection of low vibration mower.The improvement of described a kind of low vibration mower, it contains the safety circuit that is added with the insurance protection, referring to circuit diagram shown in figure 21; By insurance RC, K switch, first inductance L 3; Second inductance L 4, capacitor C, and the series excited machine M that is provided with first winding L 1 and second winding L 2 forms; First inductance L 3 in the described circuit diagram and second inductance L 4 all adopt inductance 7-2 shown in figure 18; Specially be added with insurance RC, it uses fuse, or uses electrothermal relay, or uses overcurrent protector, in the hope of safer.Why interior having insured, also add insurance? Because power supply source also supplies many places, its insurance is often too big, just is not fit to this mower.
Because the improvement of described a kind of low vibration mower, it contains the moving scheme of vibration damping that motor adds foamed material, is major contribution of the present invention; Be inside and outside motor chassis upper casing 30-1 and motor chassis lower casing 30-2 with motor outside; Be added with damping foamed material 30-3, simultaneously, in the appropriate location near the assembly of beating the grass of motor chassis upper casing 30-1 and motor chassis lower casing 30-2 and motor; Shown in figure 20, install shock-absorbing and noise-eliminating material 30-3 additional.Described material 30-3, or with the metallic fiber of heatproof, or nonmetallic materials fill or half fill.Or with the sound-absorbing material of temperature in anti-sound-absorbing porous material particularly, or flexible material, and film material; Described porous material can be fiber-like, the foam class, and particulate species, single with good, more or less mixing application is good.Usable fibers class such as rock wool, or glass fiber, or mineral wool super glass wool particularly; Or use the foam class, fireproof; Or with particulate species such as expanded perlite, porous clay brick, and the fabric of heatproof, felt is filled or is attached; Because acoustic absorptivity (standing-wave-tube method acoustic absorptivity, the reverberation method acoustic absorptivity) difference of each material, incident angle is also influential to acoustic absorptivity, and what have is better to the high frequency sound absorption; What have absorbs better all-bottom sound, and multiple material has complementary usefulness, and vibration involves noise and is reflected; Transform, absorb, decay; So help further improved performance index, described damping foamed material can also be added in the many places such as the protective cover 19 of mower; The runing rest assembly has improvement so can comprehensively form a kind of effectiveness in vibration suppression that can reach, and noise reduction has improved low vibration mower.Damping foamed material 30-3 or stickup, or mix mold pressing.
Because adopted improved another important provide of the present invention to a kind of low vibration mower; Be and improve the method that contains laser of making and assembling precision; Just improving motor and line box base axiality and surveying dynamically balanced existing precision modulding parts has laser to sight improving one's methods of frock again, so passed through dynamic balancing measurement.At first, improved requirement,, also strengthened the motor and the line box base magnitude of interference, used afterburning frock clamp pressing more for example to the requirement of motor and line box base axiality to form and position tolerance from the drawing design; Moreover, preparing precision die with numerical control CNC machining center, and plastic such as line box base are carried out post processing, its main method is to use the high-temperature steam method, as steams enough more than three hours, does not lose shape so its plastic size is yielding; Secondly, for improving motor and line box base axiality, during assembling, adopt the frock press that has laser to sight of calibration motor shown in figure 22 and line box base axiality, so reduced vibrations.Because the described frock that has laser to sight, sight 42 by press 41, the first laser; Motor locating piece 44; 2 middle cylinders 43, line box base locating piece 46, the first stingy cylinders 45 and the second stingy cylinder 47; And second laser is sighted 48, the three laser and is sighted the 49 and the 4th laser and sight 50 and workpiece motor 24-1 and the common composition of line box base 24-3 institute; The top of described press 41 is provided with first laser and sights 42, so that sights electrical axis; The middle part of described press 41, each motor locating piece 44 of one about being provided with, and by the servo-actuated respectively of one of 2 middle cylinders 43; The following side of described press 41; Each line box base locating piece 46 of one about being provided with; And respectively by the first stingy cylinder 45 and second stingy cylinder 47 servo-actuateds, the leave from office portion of described press 41, the center is provided with the 4th laser and sights 50; The position of the alignment line box base locating piece of both sides, each second laser of one is sighted the 48 and the 3rd laser and is sighted 49 about being provided with; As improvement, the signal parameter that described second locating piece 46 and first locating piece 44 or be provided with pressure sensor, each laser are sighted head and each locating piece and pressure sensor is handled by CNC or differential signal is carried out through the nozzle flapper follower.Motor and line box base axiality through the calibration and with the pressing of this frock after; And survey the dynamic balancing correction through bulk sampling and just can go up the product line; The survey dynamic balancing of also will sampling of last complete machine is so because of being aided with many places damping foamed material, cause comprehensive a kind of improved low vibration mower that has of having formed.
The present invention is the improvement for the line itself of beating the grass to a kind of improved another important providing of low vibration mower.When projection will stretch out line during the operator found to push sometimes, the phenomenon that nylon wire blocks but often appearred.Its one of the main reasons is to want the improvements except that being designed with of runner, and also having an important reasons is line itself.Because existing line comprises round line and square or lineae trapezoidea, card line phenomenon is arranged once in a while all.Particularly square or diamond-shaped cross-section and twist into the line of screw thread appearance; Though the effect of certain noise-decreasing is arranged when high speed rotating; So also can be described as special-shaped low noise line; But the sharp stupefied limit of or rhombus square because of it causes going out of runner sheath to be reined on the linear window and has ground narrow groove, thereby causes occurring the phenomenon that nylon wire blocks; The present invention provides a kind of nylon outlet of improvement of mower, also can be described as mower abnormity non-symmetric line.The technical scheme that the present invention taked is: a kind of mower abnormity multiple-grooved line, and described special-shaped line is characterised in that and has a plurality of asymmetric notch 34a on its cross section that described notch does not become five equilibrium to be uniformly distributed with along circumference; Described notch is not square, the indention but both sides are not parallel, and bottom land is camber, thus be of value to the noise reduction of beating the grass, and the mowing kind that adapts to different soft and hard.
According to different machine types and actual needs, nylon wire (25-4) and subsequent use nylon wire (34) can be selected for use; The most fuses that adopt of insurance (RC) are also selected electrothermal relay or overflowing device for use.
Claims (3)
1. low vibration mower comprises handle assembly, the expansion link assembly, and the runing rest assembly, the assist handle bracket assembly, motor assembly, the assembly of beating the grass, attachment component, and insurance safety circuit add the damping foamed material, and the noise reduction line of beating the grass, and laser is sighted frock; Described handle assembly, by power line (1), cable cover(ing) (2), handle upper casing (3-1); Handle lower casing (3-2), switch trigger (4), switch trigger spring (5), terminal board (6); In connect cable (7-1), inductance (7-2), self-tapping screw (8), tension disc (9); Switch (10), safe push button (11), safe push button spring (12) is formed; Described handle upper casing (3-1) and handle lower casing (3-2) are that the first from left right side is combined into handle, and it all is provided with wire-hanging hook (3-2a), reaches line breach (3-2b); Described switch trigger (4) and described safe push button (11) are equipped with projecting block; Described expansion link assembly is by the telescopic tube assembly (13) that contains flexible button and snap-on, pipe close (13-1), electric capacity (13-2); Telescopic tube (13-3), spring cable line (13-4), runing rest (13-5); Pipe end location plug (13-6), tapping screw (13-7), rotary knob spring (14) is formed; Described pipe close (13-1) is equipped with in the described upper end that contains the telescopic tube assembly (13) of flexible button and snap-on, and is fixed on the handle that is attached together by described handle upper casing (3-1) and handle lower casing (3-2); Described telescopic tube assembly (13) internal activity that contains flexible button and snap-on is equipped with described telescopic tube (13-3); Be placed with described electric capacity (13-2) and spring cable line (13-4) in described telescopic tube (13-3) inside; In the bottom of described telescopic tube (13-3) described runing rest (13-5) is housed, pipe end location plug (13-6), tapping screw (13-7) and rotary knob spring (14); The described outside that contains the telescopic tube assembly (13) of flexible button and snap-on is provided with axial long recess, and installing can be allocated the assist handle (16) and the assist handle support (17) of position vertically; Described telescopic tube (13-3) which is provided with elongated slot (13-3b) vertically, and a plurality of for example 12 gears (13-3c); Described assist handle bracket assembly, by first nut (15-1), knob (15-2), assist handle (16), assist handle support (17), hexagon-headed bolt (18) is formed; Described assist handle support (17) active card is contained in the described outside that contains the telescopic tube assembly (13) of flexible button and snap-on; And match with the axial long recess that which is provided with; And on described assist handle support (17), first nut (15-1) is housed, knob (15-2); Assist handle (16), degree of tightness knob (15-2); Described runing rest assembly, by described runing rest (13-5), pipe end location plug (13-6); Tapping screw (13-7) and rotary knob spring (14), protective cover (19), protection steel wire (20); Clamping piece (21), tapping screw (22), foaming ring (23); And the motor chassis upper casing (30-1) that connects, motor chassis lower casing (30-2), knob (31); Described runing rest (13-5) is provided with oblong macropore (13-5a), also is provided with limited block (13-5b); Runing rest (13-5) is contained in the motor chassis, and matches with knob (31); In the end of telescoping tube (13-3), be provided with the square tube hole, to join the limited block (13-5b) that runing rest (13-5) is provided with; Described motor assembly, by electric machine assembly (24), motor (24-1) supports pipe box (24-2), line box base (24-3), second nut (24-4), safety cap (24-5) is formed; The described assembly of beating the grass, by solenoid component (25), reel spring (25-1), machine tooth screw (25-2); Reel (25-3), nylon wire (25-4), reel aluminium head (25-5); Line eye inserted sheet (25-6), line box cover (25-7), the line bag cell-shell (25-8) of band cell-shell labeling; Blade (27), machine tooth screw (28), the 3rd nut (29) is formed; Described attachment component, by safety goggles (32), shoulder belt (33), subsequent use nylon wire (34), extended line (35) is formed; Described insurance safety circuit, by insurance (RC), switch (K), first inductance (L3), second inductance (L4), electric capacity (C), and the series excited machine (M) that is provided with first winding (L1) and second winding (L2) is formed; It is characterized in that: described damping foamed material; Be inside and outside motor chassis upper casing (30-1) and motor chassis lower casing (30-2) and outside the motor; Be added with damping foamed material (30-3); Simultaneously, the position near the assembly of beating the grass at motor chassis upper casing (30-1) and motor chassis lower casing (30-2) and motor also installs damping foamed material (30-3) additional; The described noise reduction line of beating the grass is a kind of mower abnormity multiple-grooved line, has a plurality of asymmetric notches (34a) on its cross section; The described frock that has laser to sight, by press (41), first laser is sighted head (42); Motor locating piece (44); 2 middle cylinders (43), line box base locating piece (46), the first little cylinder (45) and the second little cylinder (47); Reach second laser and sight head (48), the 3rd laser sights head (49) and the 4th laser is sighted head (50) and workpiece motor (24-1) and line box base (24-3) institute composition jointly; The top of described press (41) is provided with first laser of sighting electrical axis and sights head (42); The middle part of described press (41), each motor locating piece (44) of one about being provided with, and by the servo-actuated respectively of one of 2 middle cylinders (43); The following side of described press (41); Each line box base locating piece (46) of one about being provided with; And respectively by the first little cylinder (45) and second little cylinder (47) servo-actuated, the leave from office portion of described press (41), the center is provided with the 4th laser and sights head (50); The position of the alignment line box base locating piece of both sides, each second laser of one is sighted head (48) and is sighted (49) with the 3rd laser about being provided with.
2. the beat the grass improvement of line of a kind of low vibration mower according to claim 1, its described noise reduction is a kind of mower abnormity multiple-grooved line, and it is characterized in that: the notch that has a plurality of asymmetric notches (34a) on its cross section does not become five equilibrium to be uniformly distributed with along circumference; Described notch is that both sides are uneven, and bottom land is a camber.
3. a kind of low vibration mower according to claim 1, its described insurance safety circuit is characterized in that: it is provided with insurance (RC), uses fuse, or uses electrothermal relay, or uses overcurrent protector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120157419XU CN202340429U (en) | 2011-05-13 | 2011-05-13 | Low vibration grass machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120157419XU CN202340429U (en) | 2011-05-13 | 2011-05-13 | Low vibration grass machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202340429U true CN202340429U (en) | 2012-07-25 |
Family
ID=46529434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120157419XU Expired - Lifetime CN202340429U (en) | 2011-05-13 | 2011-05-13 | Low vibration grass machine |
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| Country | Link |
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| CN (1) | CN202340429U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103299753A (en) * | 2013-06-21 | 2013-09-18 | 苏州金威特工具有限公司 | Height-adjustable mower handle |
| CN104416550A (en) * | 2013-08-27 | 2015-03-18 | 天佑电器（苏州）有限公司 | Handle component and gardening tool with same |
| CN104620756A (en) * | 2013-11-06 | 2015-05-20 | 苏州宝时得电动工具有限公司 | Grass trimmer |
| CN105052342A (en) * | 2015-07-17 | 2015-11-18 | 苏州金威特工具有限公司 | Portable mowing machine |
| CN105052356A (en) * | 2015-07-30 | 2015-11-18 | 宁波大叶园林设备有限公司 | Assembling method for low-discharge gasoline brush cutter combining three stations and six steps |
| CN112352531A (en) * | 2020-10-20 | 2021-02-12 | 慈溪市贝士达电动工具有限公司 | Grass trimmer and production process thereof |
-
2011
- 2011-05-13 CN CN201120157419XU patent/CN202340429U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103299753A (en) * | 2013-06-21 | 2013-09-18 | 苏州金威特工具有限公司 | Height-adjustable mower handle |
| CN104416550A (en) * | 2013-08-27 | 2015-03-18 | 天佑电器（苏州）有限公司 | Handle component and gardening tool with same |
| CN104620756A (en) * | 2013-11-06 | 2015-05-20 | 苏州宝时得电动工具有限公司 | Grass trimmer |
| CN105052342A (en) * | 2015-07-17 | 2015-11-18 | 苏州金威特工具有限公司 | Portable mowing machine |
| CN105052356A (en) * | 2015-07-30 | 2015-11-18 | 宁波大叶园林设备有限公司 | Assembling method for low-discharge gasoline brush cutter combining three stations and six steps |
| CN112352531A (en) * | 2020-10-20 | 2021-02-12 | 慈溪市贝士达电动工具有限公司 | Grass trimmer and production process thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315400 Yuyao, Zhejiang Yangming Road East, Ningbo, large garden equipment Co., Ltd. Patentee after: Ningbo big leaf garden equipment Limited by Share Ltd Address before: 315400 Yuyao, Zhejiang Yangming Road East, Ningbo, large garden equipment Co., Ltd. Patentee before: Equipment Co., Ltd. Ningbo Ye Yuanlin |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120725 |
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| CX01 | Expiry of patent term |