CN106416467A - Transparent cover of rotary cutting machine - Google Patents
Transparent cover of rotary cutting machine Download PDFInfo
- Publication number
- CN106416467A CN106416467A CN201610763723.6A CN201610763723A CN106416467A CN 106416467 A CN106416467 A CN 106416467A CN 201610763723 A CN201610763723 A CN 201610763723A CN 106416467 A CN106416467 A CN 106416467A
- Authority
- CN
- China
- Prior art keywords
- rolling
- cover body
- upper cover
- rotary
- transparent cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/08—Tools; Details, e.g. adaptations of transmissions or gearings
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Working Implements (AREA)
Abstract
The invention belongs to the technical field of gardening tools and provides a transparent cover of a rotary cutting machine. The transparent cover comprises a transparent cover body, an upper cover body and a base body, wherein the transparent cove body is connected to the upper cover body; the upper cover body is connected to the base body; assembly installation positions are disposed among front parts of the transparent cover body, the upper cover body and the base body; and direct-connection assembly structures are formed in the assembly installation positions. The transparent cover provided by the invention has the advantages that the structure is simple, firm and reliable; a plastic part die is made easily; assembly can be achieved without use of other parts (such as pins or torsional springs); the transparent cover can be opened and closed; the transparent cover has a function of limiting an opening angle; and operations are convenient.
Description
Technical field
The invention belongs to technical field of garden, it is related to a kind of rotary-cutting machine translucent cover.
Background technology
With scientific and technological continuous progress, small-scale agricultural production and Landscape Industry constantly employ new machinery and enter
Row production work, such as rotary-cutting machine be exactly one kind widely by people using to be digged or to be loosened the soil, can reduce labor intensity,
Very popular, there are a lot of scientific and technical personnel to develop the rotary-cutting machine of different structure for this.At present, rotation on the market is cut
Machine class is a lot, and it is mainly used in ploughs, site preparation, hoes the fields and the work such as cultivate, and especially in developed country, loosenning tiller becomes
One of indispensable farm machinery of family, in prior art, rotary-cutting machine has generally comprised translucent cover here, of the prior art here
By multiple elements, shortcoming is not only complex structure to translucent cover, installs trouble, due to needing in mutual assembly and connection to use
Other parts (as pin, torsion spring etc.), increased the production cost of manufacture.
Content of the invention
The technical problem to be solved is the present situation for prior art, and provides structure simple, firm reliability,
Do not need the rotary-cutting machine translucent cover being attached by other connection members in assembling.
The present invention solves the technical scheme that adopted of above-mentioned technical problem:A kind of rotary-cutting machine translucent cover it is characterised in that
This translucent cover includes transparent cover body, upper cover body and base body, and described transparent cover body is connected with upper cover body, described upper lid
Body is connected with base body, has and assemble installation position between described transparent cover body, upper cover body and base body three front portion, described
Assemble and in installation position, be formed with direct-connected assembling structure.
Transparent cover body, upper cover body and base body three are directly molded using plastics, the maximum innovation of the present invention
Part is that have direct-connected assembling structure between transparent cover body, upper cover body and base body three front portion, here by direct-connected group
Distribution structure just can mutually assembly and connection when do not need to use other parts (as pin, torsion spring etc.) just can the direct company of fixation
Connect, realize switch and the closure of transparency cover.
The measure taken for optimizing such scheme specifically includes:
In a kind of above-mentioned rotary-cutting machine translucent cover assembling improved structure, described direct-connected assembling structure includes being arranged on
Fixing head body on bright lid and be arranged on direct-connected ligand in upper cover body, described fixing head body is located at transparent cover body
Front portion, described direct-connected ligand also is located at the front portion of upper cover body, described direct-connected ligand offering and the fixing head bodily form
The installation inlet slot that shape matches, described fixing head body is arranged at installation inlet slot.Here by fixing head body collimation
Even the installation inlet slot on ligand, carries out vertical insertion, and transparent cover body just can be carried out with upper cover body by forward slip
Install.
In a kind of above-mentioned rotary-cutting machine translucent cover assembling improved structure, described installation inlet slot with fixing head body is in all
Circular arc.It is so that transparent cover body is installed so that circular arc pairing circular arc is installed for convenience, facilitate follow-up opening and closing to revolve
Turn operation.
In a kind of above-mentioned rotary-cutting machine translucent cover assembling improved structure, described fixing head body includes main part, rolling
Dynamic post portion and rotary stopper portion, described rolling post portion is located inside main part, and described rotary stopper portion is located at main part
Front end, described installation inlet slot has stair-step body, described stair-step body include the first edge stage portion,
Two edge stage portion and upper rolling stop part, described upper rolling stop part is located at the first edge stage portion and the second edge platform
Between rank portion, the described post portion that rolls is resisted against the lower surface rolling stop part.
In a kind of above-mentioned rotary-cutting machine translucent cover assembling improved structure, described base body is provided with and fixing head body
The rolling pedestal matching, described rolling pedestal includes the 3rd edge stage portion, lower rolling stop part and the 4th edge platform
Rank portion, forms rolling groove between described upper rolling stop part and lower rolling stop part, described rolling post portion is located in rolling groove,
The first described edge stage portion fit with the 3rd edge stage portion formed limit roll post portion rotate in rolling groove first
Limit edge portion, the second described edge stage portion fits formation restriction rolling post portion in rolling groove with the 4th edge stage portion
The the second restriction edge portion rotating.Here rolling post portion is just to be arranged on shape between rolling stop part and lower rolling stop part
Become at the position of rolling groove, thus the upper-lower position rolling is limited so that whole transparent cover body can be by rolling
Dynamic post portion is rolled in rolling groove, first limits edge portion and the second side to rolling groove both sides again of restriction edge portion simultaneously
To being limited, so allow for four direction when rolling the rotary motion of post portion is all limited, therefore entirely roll post
Portion is the equal of a pin joint, thus facilitating opening and operating of whole transparency cover.
In a kind of above-mentioned rotary-cutting machine translucent cover assembling improved structure, described direct-connected ligand is further opened with and master
The cross spacing retaining groove matching in the both sides of body, under transparent cover closure state, the both sides block of described main part is in horizontal stroke
Into space retaining groove.Lateral attitude after transparent cover body and upper cover body being installed here by cross spacing retaining groove is also carried out limiting
Position, thus ensure the reliability that both are connected.
In a kind of above-mentioned rotary-cutting machine translucent cover assembling improved structure, between described main part and the front end of upper cover body
It is formed with circular arc activity mouth, be provided with rotary stopper rib in the upper cover body at circular arc activity mouth, beating in transparent cover
Fixing head body described in during open state is around the rolling hinged rotation in post portion, and described rotary stopper portion and rotary stopper rib phase
Gear.Here by rotary stopper rib, the rotation of transparent cover body is carried out spacing, thus ensureing the folding angle of transparency cover.
In a kind of above-mentioned rotary-cutting machine translucent cover assembling improved structure, described transparent cover body is additionally provided with button
Body, the described medium position of button body is provided with grab body, described upper cover body offers and grab mates
Grab groove, described button body is fixedly connected with upper cover body by grab body, described button body is additionally provided with fixing pin with
And buckle head, described buckle head is located at the right part of button body and is installed in upper cover body, and described fixing pin is arranged with
Spring, described spring have horizontal under act on the elastic force of buckle head.Can be by transparent cover body and button here by grab body
Body is integrally fixed, and passes through spring housing simultaneously and produces crossed strip on fixing pin so that buckle head fastening more
Plus it is solid and reliable.
Compared with prior art, it is an advantage of the current invention that structure is simple, firm, reliable, working of plastics Mold Making is simple,
Do not need to can be carried out assembling by other parts (as pin, torsion spring), realize switch and the closure of transparency cover, have opening angle
Degree limit function, easy to operate.
Brief description
Fig. 1 is the decomposition texture schematic diagram of this rotary-cutting machine translucent cover;
Fig. 2 is transparent cover body and the structural representation of upper cover body assembling;
Fig. 3 is the other direction structural representation of Fig. 2;
Fig. 4 is the structural representation before transparent cover body and base body right angle setting;
Fig. 5 is the structural representation that Fig. 4 is after installing;
Fig. 6 is the structural representation after transparent cover body, upper cover body and base body assembling;
Fig. 7 is the lateral structure schematic diagram after transparent cover body, upper cover body and base body assembling;
Fig. 8 is the partial enlarged drawing in Fig. 7.
Specific embodiment
The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
In figure, transparent cover body 1;Upper cover body 2;Base body 3;Direct-connected assembling structure 4;Fixing head body 5;Main part 51;Roll
Post portion 52;Rotary stopper portion 53;Direct-connected ligand 6;Inlet slot 7 is installed;Stair-step body 8;First edge stage portion 81;Second
Edge stage portion 82;Upper rolling stop part 83;Roll pedestal 9;3rd edge stage portion 91;4th edge stage portion 92;Lower rolling
Dynamic stop part 93;Rolling groove 10;First restriction edge portion 11;Second restriction edge portion 12;Cross spacing retaining groove 13;Button body
14;Grab body 15;Grab groove 16;Fixing pin 17;Buckle head 18;Spring 19;Circular arc activity mouth 20;Rotary stopper rib 21;
Tapping screw 22.
As shown in figure 1, this rotary-cutting machine translucent cover, this translucent cover includes transparent cover body 1, upper cover body 2 and base body 3,
Transparent cover body 1 is connected with upper cover body 2, and upper cover body 2 is connected with base body 3, transparent cover body 1, upper cover body 2 and base body 3 three
Have between front portion and assemble installation position, assemble and in installation position, be formed with direct-connected assembling structure 4;Transparent cover body 1, upper cover body 2 and
Base body 3 three is directly molded using plastics, the maximum innovation of the present invention be transparent cover body 1, upper cover body 2 with
And between base body 3 three front portion, there is direct-connected assembling structure 4, just can mutually organize load here by direct-connected assembling structure 4
Do not need when connecing to use other parts (as pin, torsion spring etc.) and just can directly be fixedly connected, realize the switch of transparency cover and close
Close, by four tapping screws 22, periphery is fixed after assembling is installed in place and can complete to install.
Specifically, as shown in FIG. 4 and 5, direct-connected assembling structure 4 includes the fixing head being arranged in transparent cover body 1
Body 5 and be arranged on direct-connected ligand 6 in upper cover body 2, fixing head body 5 is located at the front portion of transparent cover body 1, direct-connected ligand 6
It also is located at the front portion of upper cover body 2, direct-connected ligand 6 is offered the installation inlet slot 7 being closed with fixing head body 5 matching form, Gu
Determine head body 5 to be arranged at installation inlet slot 7, be directed at the installation inlet slot 7 on direct-connected ligand 6 here by fixing head body 5, enter
The vertical insertion of row, and transparent cover body 1 just can be installed by forward slip with upper cover body 2, installation inlet slot 7 and fixing head
Body 5, all in circular arc, is so that transparent cover body 1 is installed so that circular arc pairing circular arc is installed for convenience, facilitates follow-up opening
With closing rotation process.
Fixing head body 5 includes main part 51, rolls post portion 52 and rotary stopper portion 53, rolls post portion 52 and is located at main body
Inside portion 51, rotary stopper portion 53 is located at the front end of main part 51, installs and has stair-step body 8, stair-step on inlet slot 7
Body 8 includes the first edge stage portion 81, the second edge stage portion 82 and upper rolling stop part 83, and upper rolling stop part 83 is located at
Between first edge stage portion 81 and the second edge stage portion 82, roll post portion 52 and be resisted against the lower end rolling stop part 83
Face, base body 3 is provided with the rolling pedestal 9 being matched with fixing head body 5, roll pedestal 9 include the 3rd edge stage portion 91,
Lower rolling stop part 93 and the 4th edge stage portion 92, form between upper rolling stop part 83 and lower rolling stop part 93 and roll
Groove 10, described rolling post portion 52 is located in rolling groove 10, and the first edge stage portion 81 is fitted with the 3rd edge stage portion 91 formation
Limit and roll the first restriction edge portion 11, the second edge stage portion 82 and the 4th edge platform that post portion 52 rotates in rolling groove 10
Rank portion 92 laminating forms to limit and rolls the second restriction edge portion 12 that post portion 52 rotates in rolling groove 10, rolls post portion 52 here
It is just to be arranged on to roll at the position forming rolling groove 10 between stop part 83 and lower rolling stop part 93, thus to rolling
Dynamic upper-lower position is limited so that whole transparent cover body 1 can be by rolling post portion 52 and rolled in rolling groove 10
Dynamic, the first restriction edge portion 11 and the second restriction edge portion 12 limit to the direction of rolling groove 10 both sides, so again simultaneously
Allow for four direction when rolling 52 rotary motion of post portion is all limited, therefore entirely rolling post portion 52 is the equal of one
Individual pin joint, thus facilitating opening and operating of whole transparency cover, direct-connected ligand 6 is further opened with the both sides with main part 51
The cross spacing retaining groove 13 matching, transparent cover closure state lower body portion 51 both sides block in cross spacing retaining groove 13
Interior.Here by cross spacing retaining groove 13, the lateral attitude after transparent cover body 1 and upper cover body 2 installation is also carried out spacing, thus
Ensure the reliability that both are connected.
As shown in FIG. 2 and 3, transparent cover body 1 is additionally provided with button body 14, the medium position of button body 14 is arranged
Have grab body 15, upper cover body 2 offered the grab groove 16 being matched with grab body 15, button body 14 pass through grab body 15 with upper
Lid 2 is fixedly connected, and button body 14 is additionally provided with fixing pin 17 and buckle head 18, and buckle head 18 is located at button body 14
Right part and being installed in upper cover body 2, fixing pin 17 is arranged with spring 19, spring 19 have horizontal under act on buckle head 18
Elastic force.Transparent cover body 1 and button body 14 entirety can be fixed here by grab body 15, be enclosed within by spring 19 simultaneously
Transverse elasticity is produced on fixing pin 17 so that buckle head 18 fastening more solid and reliable.
As shown in Fig. 6, Fig. 7 and Fig. 8, between the front end of main part 51 and upper cover body 2, it is formed with circular arc activity mouth 20,
It is provided with rotary stopper rib 21 in the upper cover body 2 at circular arc activity mouth 20, the fixing head in transparent cover open mode
Body 5 is around the rolling hinged rotation in post portion 52, and rotary stopper portion 53 is mutually kept off with rotary stopper rib 21.Here by rotary stopper muscle
Bar 21 carries out spacing, thus ensureing the folding angle of transparency cover to the rotation of transparent cover body 1.
Specific embodiment described herein is only explanation for example to present invention spirit.The affiliated technology of the present invention is led
The technical staff in domain can be made various modifications or supplement or replaced using similar mode to described specific embodiment
Generation, but without departing from scope defined in the spirit of the present invention.
Claims (8)
1. a kind of rotary-cutting machine translucent cover is it is characterised in that this translucent cover includes transparent cover body, upper cover body and base body, institute
The transparent cover body stated is connected with upper cover body, and described upper cover body is connected with base body, described transparent cover body, upper cover body and bottom
Have between pedestal three front portion and assemble installation position, described assembling is formed with direct-connected assembling structure in installation position.
2. a kind of rotary-cutting machine translucent cover according to claim 1 is it is characterised in that described direct-connected assembling structure includes setting
Put in the fixing head body in transparent cover body and be arranged on direct-connected ligand in upper cover body, described fixing head body is located at transparent
The front portion of lid, described direct-connected ligand also is located at the front portion of upper cover body, described direct-connected ligand offers and fixes
The installation inlet slot that head shape matches, described fixing head body is arranged at installation inlet slot.
3. a kind of rotary-cutting machine translucent cover according to claim 2 is it is characterised in that described installation inlet slot and fixing head
Body is all in circular arc.
4. a kind of rotary-cutting machine translucent cover according to claim 3 is it is characterised in that described fixing head body includes main body
Portion, rolling post portion and rotary stopper portion, described rolling post portion is located inside main part, and described rotary stopper portion is located at master
The front end of body, described installation inlet slot has stair-step body, and described stair-step body includes the first edge step
Portion, the second edge stage portion and upper rolling stop part, described upper rolling stop part is located at the first edge stage portion and second
Between edge stage portion, the described post portion that rolls is resisted against the lower surface rolling stop part.
5. a kind of rotary-cutting machine translucent cover according to claim 4 it is characterised in that be provided with described base body with solid
Determine the rolling pedestal of head mates, described rolling pedestal includes the 3rd edge stage portion, lower rolling stop part and the 4th
Edge stage portion, forms rolling groove between described upper rolling stop part and lower rolling stop part, described rolling post portion is located at rolling
In dynamic groove, the first described edge stage portion fit with the 3rd edge stage portion formation limit roll post portion rotate in rolling groove
First restriction edge portion, the second described edge stage portion fit with the 4th edge stage portion formation limit rolling post portion rolling
The the second restriction edge portion rotating in dynamic groove.
6. a kind of rotary-cutting machine translucent cover according to any one of claim 1 to 5 is it is characterised in that described direct-connected cooperation
The cross spacing retaining groove being matched with the both sides of main part is further opened with body, described main body under transparent cover closure state
The both sides block in portion is in cross spacing retaining groove.
7. a kind of rotary-cutting machine translucent cover according to claim 1 to 5 is it is characterised in that described main part and upper cover body
Front end between be formed with circular arc activity mouth, near circular arc activity mouth at upper cover body on be provided with rotary stopper rib,
Fixing head body described in during transparent cover open mode is around the rolling hinged rotation in post portion, and described rotary stopper portion and rotation limit
Position rib phase gear.
8. a kind of rotary-cutting machine translucent cover according to claim 7 is it is characterised in that be additionally provided with described transparent cover body
Button body, the described medium position of button body is provided with grab body, described upper cover body offers and is joined with grab body phase
The grab groove closing, described button body is fixedly connected with upper cover body by grab body, and described button body is additionally provided with steady pin
Post and buckle head, described buckle head is located at the right part of button body and is installed in upper cover body, and described fixing pin covers
Be provided with spring, described spring have horizontal under act on the elastic force of buckle head.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610763723.6A CN106416467B (en) | 2016-08-29 | 2016-08-29 | A kind of rotary-cutting machine translucent cover |
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CN201610763723.6A CN106416467B (en) | 2016-08-29 | 2016-08-29 | A kind of rotary-cutting machine translucent cover |
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CN106416467A true CN106416467A (en) | 2017-02-22 |
CN106416467B CN106416467B (en) | 2019-04-26 |
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CN201610763723.6A Active CN106416467B (en) | 2016-08-29 | 2016-08-29 | A kind of rotary-cutting machine translucent cover |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2730107Y (en) * | 2004-09-29 | 2005-10-05 | 宁波奇亚园林工具有限公司 | Multi-functional garden machine |
CN201260303Y (en) * | 2008-05-04 | 2009-06-24 | 上海创绘机器人科技有限公司 | Robot for nursing green land |
CN201718172U (en) * | 2010-07-05 | 2011-01-26 | 宁波奇亚园林工具有限公司 | Soil pulverizer |
CN201945317U (en) * | 2010-12-27 | 2011-08-24 | 船庆机械工业股份有限公司 | North arrow device |
CN202635107U (en) * | 2012-06-22 | 2013-01-02 | 上海沃施园艺股份有限公司 | Electric mower |
CN103299778A (en) * | 2012-03-07 | 2013-09-18 | 罗伯特·博世有限公司 | Lawn-care apparatus |
CN205213426U (en) * | 2015-12-28 | 2016-05-11 | 苏州百士动力工贸有限公司 | Multifunctional mower |
CN206149731U (en) * | 2016-08-29 | 2017-05-10 | 宁波奇亚园林工具有限公司 | Rotary cutting machine translucent cover |
-
2016
- 2016-08-29 CN CN201610763723.6A patent/CN106416467B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2730107Y (en) * | 2004-09-29 | 2005-10-05 | 宁波奇亚园林工具有限公司 | Multi-functional garden machine |
CN201260303Y (en) * | 2008-05-04 | 2009-06-24 | 上海创绘机器人科技有限公司 | Robot for nursing green land |
CN201718172U (en) * | 2010-07-05 | 2011-01-26 | 宁波奇亚园林工具有限公司 | Soil pulverizer |
CN201945317U (en) * | 2010-12-27 | 2011-08-24 | 船庆机械工业股份有限公司 | North arrow device |
CN103299778A (en) * | 2012-03-07 | 2013-09-18 | 罗伯特·博世有限公司 | Lawn-care apparatus |
US20130239533A1 (en) * | 2012-03-07 | 2013-09-19 | Robert Bosch Gmbh | Lawn-care apparatus |
CN202635107U (en) * | 2012-06-22 | 2013-01-02 | 上海沃施园艺股份有限公司 | Electric mower |
CN205213426U (en) * | 2015-12-28 | 2016-05-11 | 苏州百士动力工贸有限公司 | Multifunctional mower |
CN206149731U (en) * | 2016-08-29 | 2017-05-10 | 宁波奇亚园林工具有限公司 | Rotary cutting machine translucent cover |
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CN106416467B (en) | 2019-04-26 |
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