Electric height adjusting mechanism for cutting system of automatic mowerTechnical Field
The utility model relates to an automatic mower technical field specifically is a high electric regulating mechanism of cutting system of automatic mower.
Background
The lawn mower is a mechanical tool for trimming lawns, vegetation and the like, and comprises a cutter head, an engine, traveling wheels, a traveling mechanism, blades, handrails and a control part, and the automatic lawn mower is more and more popular in household courtyards and commercial use, and an electric control device is considered to be used for providing help and supporting various additional functions for the operation of the lawn mower.
The existing automatic mower is provided with a cutting system height electric adjusting mechanism, the mechanisms are too complex, electric transmission components are more, the assembly and the adjustment are inconvenient, and the height value cannot be accurately controlled and adjusted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high electric regulating mechanism of cutting system of automatic mower to provide general automatic mower in solving above-mentioned background and be provided with the high electric regulating mechanism of cutting system, these mechanisms are too complicated, and electric drive constitutes the part more, assembles and adjusts inconveniently, and the problem of height value is adjusted in the control that can not be accurate.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic high electric adjustment mechanism of cutting system of lawn mower, includes fixed bolster, drive block and gear motor, the guide rail is installed to the fixed bolster inner wall, and the guide rail surface has seted up the guide slot, the inside inner tube support that is provided with of guide slot, and inner tube support internally mounted has a cutting motor, cutting motor bottom is connected with mounting flange, and the mounting flange bottom is connected with the blade, the drive block is installed in inner tube support right side top, and drive block internally connected with screw rod, the screw rod bottom is connected with driven gear, screw rod upper portion all is provided with the bearing with well lower part, gear motor connects inside the fixed bolster right side, and gear motor's output is connected with drive gear.
Preferably, the inner cylinder support passes through a sliding structure formed between the guide groove, the guide rail and the fixed support, the size of an outer opening of the inner cylinder support is smaller than that of an inner opening of the fixed support, and the guide rail is symmetrically distributed about a central axis of the fixed support.
Preferably, the blade forms a fixed structure through between the mounting flange and the cutting motor, and the vertical center line of the blade coincides with the vertical center line of the cutting motor.
Preferably, the driving block and the inner cylinder support are of an integrated structure, and the upper surface of the inner cylinder support are in the same horizontal line.
Preferably, the driving block is in threaded connection with the screw rod, and the driving block and the screw rod are attached to each other.
Preferably, the reduction motor forms a transmission structure through the driving gear, the driven gear and the screw rod, and the driving gear and the driven gear are meshed with each other.
Compared with the prior art, the beneficial effects of the utility model are that: this high electric adjustment mechanism of cutting system of automatic mower, inner tube support pass through the spout, the mutually supporting setting between slide rail and the fixed bolster for the inner tube support can be spacing inside the fixed bolster, and the inner tube support can be followed the inside up-and-down slip of fixed bolster, is used for adjusting the height of blade, has advantages such as convenient assembling, the atress is balanced, and this blade passes through mounting flange and is connected with the cutting motor, thereby promotes the fastness of its connection.
This high electric adjustment mechanism of cutting system of automatic mower, through gear motor, drive gear, the setting of mutually supporting between driven gear and the screw rod for gear motor during operation drives drive gear and driven gear, and the screw rod that drives again drives the screw rod and rotates the time drive piece and can follow screw rod surface motion, further drives the inner tube support and slides in the fixed bolster is inside, can calculate high adjusting device's accurate height value through control motor rotational speed and rotation number of turns.
Drawings
FIG. 1 is a schematic view of the front view of the present invention;
FIG. 2 is a schematic top view of the inner tube support of the present invention;
fig. 3 is a schematic view of the screw structure of the present invention.
In the figure: 1. fixing a bracket; 2. a guide rail; 3. a guide groove; 4. an inner cylinder support; 5. cutting the motor; 6. installing a flange; 7. a blade; 8. a drive block; 9. a screw; 10. a driven gear; 11. a drive gear; 12. a reduction motor; 13. and a bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an automatic high electric adjustment mechanism of cutting system of lawn mower, includes fixedbolster 1 anddrive block 8, its characterized in that: the inner wall of thefixed support 1 is provided with aguide rail 2, the surface of theguide rail 2 is provided with aguide groove 3, aninner cylinder support 4 is arranged in theguide groove 3, acutting motor 5 is arranged in theinner cylinder support 4, theinner cylinder support 4 forms a sliding structure with thefixed support 1 through theguide groove 3, the size of an outer opening of theinner cylinder support 4 is smaller than that of an inner opening of thefixed support 1, theguide rails 2 are symmetrically distributed about the central axis of thefixed support 1, theinner cylinder support 4 can slide in thefixed support 1 through the arranged guide mechanisms (theguide rails 2 and the guide grooves 3), the smoothness of adjustment of the inner cylinder support is improved, and the guide mechanisms have the advantages of simplicity, convenience in assembly, balanced stress and the like;
the bottom of thecutting motor 5 is connected with aninstallation flange 6, the bottom of theinstallation flange 6 is connected with ablade 7, theblade 7 forms a fixed structure with thecutting motor 5 through theinstallation flange 6, the vertical center line of theblade 7 is coincident with the vertical center line of thecutting motor 5, and theblade 7 is connected with thecutting motor 5 through theinstallation flange 6, so that the connection firmness of theblade 7 is improved;
thedriving block 8 is arranged above the right side of theinner cylinder support 4, ascrew rod 9 is connected inside thedriving block 8, thedriving block 8 and theinner cylinder support 4 are in an integrated structure, the upper surface of theinner cylinder support 4 and the upper surface of theinner cylinder support 4 are in the same horizontal line, and the stability of theinner cylinder support 4 during adjustment is improved through thedriving block 8 and theinner cylinder support 4 in the integrated structure;
the bottom of thescrew rod 9 is connected with a drivengear 10, the upper part and the middle lower part of thescrew rod 9 are respectively provided with abearing 13, aspeed reducing motor 12 is connected inside the right side of thefixed support 1, the output end of thespeed reducing motor 12 is connected with adriving gear 11, adriving block 8 is in threaded connection with thescrew rod 9, thedriving block 8 is attached to thescrew rod 9, thespeed reducing motor 12 drives thedriving gear 11 to pass through thedriving gear 11, a transmission structure is formed between the drivengear 10 and thescrew rod 9, thedriving gear 11 is meshed with the drivengear 10, thedriving gear 11 and the drivengear 9 are matched with each other through thespeed reducing motor 12, thedriving gear 11 and thescrew rod 9, when thespeed reducing motor 12 works, thedriving gear 11 and the drivengear 10 are driven, when thescrew rod 9 is driven to rotate, thedriving block 8 can move along the surface of thescrew rod 9, theinner cylinder support 4 is further driven to slide inside thefixed support 1, and the height adjusting device can be calculated by controlling the rotating speed of thespeed reducing motor 12 and the number of thedriving block 8 to rotate on the surface of thescrew rod 9 The accurate height value is connected with thefixed support 1 through thebearings 13 arranged on the upper part and the middle lower part of thescrew 9, so that thescrew 9 can rotate and reduce the abrasion between thefixed supports 1.
The working principle is as follows: when the height electric adjusting mechanism of the cutting system of the automatic mower is used, firstly, thespeed reducing motor 12 is opened to drive thedriving teeth 11 and the drivengear 10, and further thescrew 9 can rotate, so that thedriving block 8 on the surface of thescrew 9 can move, and further theinner cylinder bracket 4 is driven to slide along theguide groove 3 in theguide rail 2, thereby realizing the function of adjusting the height of theblade 7, thescrew 9 is connected with thefixed bracket 1 through thebearings 13 arranged at the upper part and the middle lower part, so that the abrasion between thefixed brackets 1 can be reduced while thescrew 9 rotates, the device can calculate the accurate height value of the height adjusting device by controlling the rotating speed and the rotating number of the motor, and theinner cylinder bracket 4 can slide in thefixed bracket 1 through the arranged guide mechanism (theguide rail 2 and the guide groove 3) to improve the smoothness of adjustment, and the guide mechanism has the advantages of simplicity, convenience in assembly, balanced stress and the like.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.