CN207251343U - Grass trimmer bottom case structure - Google Patents

Abstract

The utility model discloses a kind of grass trimmer bottom case structure, including：Drain pan main body, is used for the groove of placing motor in drain pan main body, the section of groove is two intersecting circles formed with one.By the above-mentioned means, the utility model grass trimmer bottom case structure can both install series excited machine, magneto can also be installed, save die cost, improve production efficiency.

Description

Grass trimmer bottom case structure

Technical field

Mower art field is the utility model is related to, more particularly to a kind of grass trimmer bottom case structure.

Background technology

Tedder needs larger torque for the needs of mowing, driving cutting blade.Therefore in the design pass through frequently with The characteristics of design of two kinds of motors, one kind are designed using series excited machine, series excited machine is that rotating speed is fast, and power consumption is few, but torque It is smaller, in order to ensure output torque, therefore it is mostly that it configures slowing-down structure, amplifies its output torque.Another kind uses Permanent Magnet and Electric The characteristics of machine, magneto is that rotating speed is slow, and torque is big.

Because the structure of the two is inconsistent, the difference for motor is needed in actual production, what design was adapted therewith Bottom case, causes the rising of cost.Traditional bottom shell motor mounting surface structure is designed according to series excited machine structure external form, knot Structure is more complicated, and bottom case can only make the bottom case of special series excited machine, and the retarder of series excited machine is installed on special bottom case simultaneously Locked with screw, other motor can not all assemble, and cost is very high.

Utility model content

The utility model can both install series excitation mainly solving the technical problems that provide a kind of grass trimmer bottom case structure Motor, can also install magneto, save die cost, improve production efficiency.

In order to solve the above technical problems, the technical solution that the utility model uses is：A kind of grass trimmer bottom is provided Shell structure, including：Drain pan main body, is used for the groove of placing motor in drain pan main body, the section of groove is two phases formed with one The circle of friendship.

In one preferred embodiment of the utility model, one of circle carries through hole, is cut available for connection Blade.

In one preferred embodiment of the utility model, there is a plane on the groove, there is mounting hole shape in plane Into bottom case location hole.

In one preferred embodiment of the utility model, the quantity of the bottom case location hole is at least three.

In one preferred embodiment of the utility model, the motor is series excited machine or magnet steel motor.

In one preferred embodiment of the utility model, an end cap, the retarder installation of end cap and series excited machine are further included Reducer assemblies are formd together, and reducer assemblies integral installation is in drain pan main body.

In one preferred embodiment of the utility model, there is screw through-hole on the end cap, the position of screw through-hole with The fixed position of magnet steel motor and the position of bottom case location hole coincide.

In one preferred embodiment of the utility model, magnet steel motor location hole, magnet steel are arranged at the bottom of the magnet steel motor The quantity of motor location hole and the quantity of screw through-hole and the quantity of bottom case location hole cooperate.

In one preferred embodiment of the utility model, the fixed position of motor and reducer assemblies in the drain pan main body Mutually stagger position shared by shape.

The beneficial effects of the utility model are：The utility model grass trimmer bottom case structure, can both install series excited machine, Magneto can also be installed, save die cost, improve production efficiency.

Brief description of the drawings

It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the utility model Example is applied, for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Other attached drawings are obtained, wherein：

Fig. 1 is the structure diagram of grass trimmer one preferred embodiment of bottom case structure of the utility model；

Fig. 2 be the utility model grass trimmer bottom case structure in the assembling of magnet steel motor and base structure diagram；

Fig. 3 be the utility model grass trimmer bottom case structure in reducer assemblies structure diagram；

Fig. 4 is that the structural representation after end cap is assembled on reducer assemblies in the grass trimmer bottom case structure of the utility model Figure；

Fig. 5 be the utility model grass trimmer bottom case structure in end cap structure diagram；

Fig. 6 is structure diagram when being used as exchange grass trimmer in the grass trimmer bottom case structure of the utility model；

Fig. 7 is structure diagram when being used as direct current grass trimmer in the grass trimmer bottom case structure of the utility model；

The mark of each component is as follows in attached drawing：1st, series excited machine, 2, retarder, 3, drain pan main body, 4, end cap, 5, screw Through hole, 6, groove, 7, bottom case location hole, 8, magnet steel motor location hole, 9 magnet steel motors.

Embodiment

Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described Embodiment is only the part of the embodiment of the utility model, instead of all the embodiments.Based on the implementation in the utility model Example, all other embodiment that those of ordinary skill in the art are obtained without making creative work, belongs to The scope of the utility model protection.

Please referring to Fig.1 to Fig. 7, the utility model embodiment includes：

A kind of grass trimmer bottom case structure, including：Drain pan main body 3, is used to formed with one in drain pan main body 3 place motor Groove 6, the section of groove 6 is two intersecting circles.

3 motor is the either magnet steel motor 9 of series excited machine 1 in above-mentioned drain pan main body, i.e., both can be with drain pan main body 3 Series excited machine 1 is installed, can also mounting magnetic steel motor 9.

One of circle carries through hole, and available for cutting blade is connected, groove 6 is adapted with the base of magnet steel motor 9, Easy to the assembling of magnet steel motor 9.

There is a plane on groove 6, in plane there is mounting hole to form bottom case location hole 7, the quantity of bottom case location hole 7 At least three.

Specifically, a secondary end cover die has newly been opened, the retarder 2 of end cap 4 and old series excited machine is installed together shape Into reducer assemblies, then by reducer assemblies integral installation in drain pan main body 3.

There is screw through-hole 5 on end cap 4, the position of screw through-hole 5 is positioned with the fixed position of magnet steel motor 9 and bottom case The position in hole 7 coincides, for mounting magnetic steel motor.

Further, magnet steel motor location hole 8, the quantity and screw of magnet steel motor location hole 8 are arranged at the bottom of magnet steel motor 9 The quantity of through hole 5 and the quantity of bottom case location hole 7 cooperate.

The fixed position of motor is mutually staggered with the position shared by reducer assemblies shape in drain pan main body 3.

When as exchange grass trimmer, series excited machine 1 is installed in drain pan main body 3, as shown in Figure 6；

When as direct current grass trimmer, magnet steel motor 9 is assembled in drain pan main body 3, as shown in Figure 7.

The utility model grass trimmer is with the assembling process of bottom case structure：

It is new to open a secondary end cover die, the retarder 2 of end cap 4 and old series excited machine 1 is first assembled together, forms one Reducer assemblies；

There are three screw through-holes 5, the position of screw through-hole 5 and the fixed position of magnet steel motor 9 on end cap 4（That is magnet steel The position of motor location hole 8）Overlap, and overlapped with the position of bottom case location hole 7, the fixed bit of 3 upper magnetic steel motor 9 of drain pan main body Put the position shared by 2 external form of retarder for needing to get out of the way series excited machine 1；

When as exchange grass trimmer, series excited machine 1 is connected with reducer assemblies and is installed in drain pan main body 3；

When as direct current grass trimmer, magnet steel motor 9 is fit directly into drain pan main body 3, is at this time determined magnet steel motor The position and the position of bottom case location hole 7 in the screw through-hole on end cap 4 and drain pan main body 3 in position hole 8 coincide, and realize magnet steel electricity The installation of machine 9.

The utility model grass trimmer is with the beneficial effect of bottom case structure：

It is simple in structure directly perceived, series excited machine can be both installed, magneto can also be installed, save die cost, carried High production efficiency.

The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every The equivalent structure or equivalent flow shift made using the utility model description, is directly or indirectly used in other phases The technical field of pass, is equally included in the patent within the scope of the utility model.

Claims (6)

1. A kind of 1. grass trimmer bottom case structure, it is characterised in that including：Drain pan main body, is used to put in drain pan main body formed with one The groove of motor is put, the section of groove is two intersecting circles, has a plane on the groove, has mounting hole in plane Bottom case location hole is formd, the motor is series excited machine or magnet steel motor, and the bottom of the magnet steel motor has magnet steel motor to determine Position hole, the quantity of magnet steel motor location hole and the quantity of screw through-hole and the quantity of bottom case location hole cooperate.
2. 2. grass trimmer bottom case structure according to claim 1, it is characterised in that described one of circular with logical Hole, available for connecting cutting blade.
3. 3. grass trimmer bottom case structure according to claim 1, it is characterised in that the quantity of the bottom case location hole is at least For three.
4. 4. grass trimmer bottom case structure according to claim 1, it is characterised in that further include an end cap, end cap and series excitation The retarder of motor, which is installed together, forms reducer assemblies, and reducer assemblies integral installation is in drain pan main body.
5. 5. grass trimmer bottom case structure according to claim 4, it is characterised in that there is screw through-hole on the end cap, The position of screw through-hole coincides with the fixed position of magnet steel motor and the position of bottom case location hole.
6. 6. grass trimmer bottom case structure according to claim 4, it is characterised in that the fixation of motor in the drain pan main body Mutually stagger with the position shared by reducer assemblies shape position.