CN108162681A

CN108162681A - A kind of narrow rim structure

Info

Publication number: CN108162681A
Application number: CN201711209416.4A
Authority: CN
Inventors: 李家菊
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-11-27
Filing date: 2017-11-27
Publication date: 2018-06-15

Abstract

The invention discloses a kind of narrow rim structures, the width of rim body is 50 70mm, radial direction boss is evenly distributed on the outer circumference surface of rim body, both sides in the middle part of radial direction boss are symmetrically arranged with side boss, the side and radial direction boss of the side boss and rim body are connected as a single entity, the outer end face of side boss is located at the outer end face of radial direction boss on same periphery, and the inner face of side boss and the inner peripheral surface of rim body are located on same circumference；Steel skeleton is coated in rim body, multiple equally distributed female connectors are provided on the inner peripheral surface of steel skeleton.The present invention is while rim width is reduced, and by adding radial direction boss and side boss, can reduce ground by the region of compaction by rolling, and increase earth-grasping force, avoids occurring idle running in ploughing work, runs ridge phenomenon, it is ensured that simple operation, laborsaving, farming is efficient.In addition, the present invention has coated the steel skeleton of liner effect, to prevent wheel rim from deforming or damage, and convenient can be connect with spoke.

Description

A kind of narrow rim structure

Technical field

The invention belongs to Miniature tilling implement technical field, specifically, more particularly to a kind of narrow wheel of micro-cultivator walking wheel Rim.

Background technology

Vigorously supporting and develop with mechanization of agriculture, mini-tiller using increasingly increased extensive.Mini-tiller due to The features such as light-weight, small, simple in structure, behaviour facilitates is suitble to the hillside fields of the vast Hills in China and ploughing for splat Make, it is deep to be liked by users.

At present, the traveling wheel of mini-tiller is generally using wide cut rubber wheel, it is larger with the contact area on ground, easily by ground Compaction by rolling is unfavorable for the root growth of crop.Meanwhile existing micro-cultivator walking wheel grab ground effect it is bad, one in ploughing work Reinforcing is easy for idle running occur, runs ridge phenomenon, thus limits utilization rate of the mini-tiller in hillside fields.Some mini-tillers are in traveling wheel Excircle on add ground pawl, although increasing earth-grasping force, ground pawl is mostly wedge shape, on the one hand meets the hard object such as stone and easily sends out Raw damage, on the other hand increases resistance during farming, makes operation more laborious, so as to reduce farming efficiency.

Invention content

In view of the drawbacks described above of the prior art, the technical problems to be solved by the invention are to provide a kind of narrow wheel rim knot Structure.

Technical solution of the present invention is as follows：A kind of narrow rim structure has rim body, and the rim body is by rubber system Into, it is characterised in that：The width of the rim body is 50-70mm, and diameter is evenly distributed on the outer circumference surface of rim body To boss, the outer end face of the radial direction boss is arc surface, and the center of circle of circumference and rim body where radial direction boss outer end face The center of circle overlap, the both sides in the middle part of the radial direction boss are symmetrically arranged with side boss, the side of the side boss and rim body and Radial direction boss is connected as a single entity, and the outer end face of side boss and the outer end face of the radial direction boss are located on same periphery, side boss The inner peripheral surface of inner face and the rim body be located on same circumference；Steel bone is coated in the rim body Frame, the steel skeleton are circular ring structure, and the center of circle of the steel skeleton is overlapped with the center of circle of rim body, in steel skeleton Multiple equally distributed female connectors are provided on periphery, one end and the steel skeleton of the female connector are mutually fixed, the other end of female connector Beyond the inner peripheral surface of rim body.

The present invention is narrow structure, and width only has 50-70mm, greatly reduces the contact area with ground in this way, make ground Face is small by the region of compaction by rolling, thus effectively reduces the adverse effect to crop root growth.On the outer circumference surface of wheel rim Even distribution radial direction boss, the radial direction boss play a part of to increase earth-grasping force, to avoid occurring idle running in ploughing work, running ridge to show As；The outer end face of radial direction boss is arc surface, hardly increases resistance during farming, ensures that simple operation, laborsaving, Farming is efficient；The both sides of radial direction boss are symmetrical arranged side boss, and the outer end face position of the outer end face of side boss and radial direction boss In on same periphery, the effective width of wheel rim is on the one hand increased to a certain extent in this way, mini-tiller is steady when making farming Qualitative unaffected, on the other hand, side boss also plays a part of to increase wheel rim and radial direction boss structural strength, to avoid radial convex Platform is damaged.Steel skeleton is coated in wheel rim, steel skeleton plays liner, to prevent wheel rim from deforming or damage It is bad, ensure that the service life of wheel rim.Female connector is set on the inner peripheral surface of steel skeleton, which is used for and spoke grafting Cooperation, in order to which wheel rim is linked into an integrated entity by wheel rim and wheel hub.

Preferably, the distance between two adjacent radial convex platforms are less than radial direction boss length in the circumferential direction.

In order to further increase earth-grasping force, the outer end face of the radial direction boss is provided with annular knurl.

In order to make the humidification of side boss more notable, the width first gradually increase from outside to inside of the side boss, until leaning on It is gradually reduced again at nearly rim body inner peripheral surface.

Preferably, the width of the rim body is 60mm.

Preferably, the steel skeleton and female connector are made of stainless steel, and female connector is welded on steel skeleton.

Advantageous effect：The present invention is ingenious in design, simple in structure, easy to transform, improvement cost is low, is reducing rim width Meanwhile by adding radial direction boss and side boss, ground can be reduced by the region of compaction by rolling, and increase earth-grasping force, avoid ploughing Occur idle running in operation, run ridge phenomenon, it is ensured that simple operation, laborsaving, farming is efficient.In addition, the present invention has coated liner work Steel skeleton to prevent wheel rim from deforming or damage, and convenient can be connect with spoke.

Description of the drawings

Fig. 1 is the structure diagram of the embodiment of the invention.

Fig. 2 is the structure diagram of radial direction boss and side boss.

Specific embodiment

The invention will be further described with reference to the accompanying drawings and examples：

As shown in Figure 1 and Figure 2, the traveling wheel wheel rim of mini-tiller has rim body 1, which is made of rubber. The width of rim body 1 is 50-70mm, and the specific width of the rim body 1 determines that the present embodiment is preferably according to actual needs 60mm.Radial direction boss 11 is evenly distributed on the outer circumference surface of rim body 1, radial direction boss 11 is integrated with rim body 1 Structure, the number of rim body 1 determine according to actual needs, as long as meeting the distance between two adjacent radial convex platforms 11 is less than diameter To the length in the circumferential direction of boss 11.The outer end face of radial direction boss 11 is arc surface, in the outer end face of radial direction boss 11 It is provided with annular knurl, the moulding of annular knurl can be diversified, and the center of circle of circumference and wheel rim where 11 outer end face of radial direction boss The center of circle of ontology 1 overlaps.

As shown in Figure 1 and Figure 2, side boss 12 is symmetrically arranged in the both sides at 11 middle part of radial direction boss, the side boss 12 and wheel The side of rim ontology 1 and radial direction boss 11 are connected as a single entity, and the side boss 12 of the same side is distributed by even circumferential, and side boss 12 Inner end is directed to the axial line of rim body 1.The outer end face of side boss 12 is located at same circumference with the outer end face of radial direction boss 11 On face, the inner face of side boss 12 and the inner peripheral surface of rim body 1 are located on same circumference, and the width of side boss 12 from First gradually increase outside to inside, until being gradually reduced again at 1 inner peripheral surface of rim body.

As shown in Figure 1, being coated with steel skeleton 2 in rim body 1, steel skeleton 2 is circular ring structure, and is preferably used Stainless steel is made, and the center of circle of steel skeleton 2 is overlapped with the center of circle of rim body 1.It is provided on the inner peripheral surface of steel skeleton 2 Multiple female connectors 3, female connector 3 are distributed by even circumferential, and the number of the female connector 3 determines that the present embodiment is preferably four according to actual needs It is a.Female connector 3 is made of stainless steel, and female connector 3 is directed toward the center of circle of rim body 1, and one end of female connector 3 and the welding of steel skeleton 2 are solid Fixed, the other end of female connector 3 exceeds the inner peripheral surface of rim body 1.

The preferred embodiment of the present invention described in detail above.It should be appreciated that those of ordinary skill in the art without Creative work is needed according to the present invention can to conceive and makes many modifications and variations.Therefore, all technologies in the art Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea Technical solution, all should be in the protection domain being defined in the patent claims.

Claims

1. a kind of narrow rim structure, has rim body (1), which is made of rubber, it is characterised in that：Institute The width for stating rim body (1) is 50-70mm, and radial direction boss (11) is evenly distributed on the outer circumference surface of rim body (1), The outer end face of the radial direction boss (11) be arc surface, and radial direction boss (11) outer end face where circumference the center of circle and rim body (1) the center of circle overlaps, and the both sides in the middle part of the radial direction boss (11) are symmetrically arranged with side boss (12), the side boss (12) and wheel The side of rim ontology (1) and radial direction boss (11) are connected as a single entity, the outer end face of side boss (12) and the radial direction boss (11) Outer end face is located on same periphery, and the inner face of side boss (12) is located at same with the inner peripheral surface of the rim body (1) On circumference；It is coated with steel skeleton (2) in the rim body (1), the steel skeleton (2) is circular ring structure, the steel The center of circle of skeleton (2) is overlapped with the center of circle of rim body (1), is provided on the inner peripheral surface of steel skeleton (2) multiple uniform The female connector (3) of distribution, one end and the steel skeleton (2) of the female connector (3) are mutually fixed, and the other end of female connector (3) exceeds wheel rim sheet The inner peripheral surface of body (1).

2. a kind of narrow rim structure as described in claim 1, it is characterised in that：Between two adjacent radial convex platforms (11) away from From less than the radial direction boss (11) length in the circumferential direction.

3. a kind of narrow rim structure as described in claim 1, it is characterised in that：The outer end face of the radial direction boss (11) is set It is equipped with annular knurl.

4. a kind of narrow rim structure as described in claims 1 or 2 or 3, it is characterised in that：The width of the side boss (12) First gradually increase from outside to inside, until being gradually reduced again at rim body (1) inner peripheral surface.

5. a kind of narrow rim structure as described in claim 1, it is characterised in that：The width of the rim body (1) is 60mm。

6. a kind of narrow rim structure as described in claim 1, it is characterised in that：The steel skeleton (2) and female connector (3) are equal It is made of stainless steel, and female connector (3) is welded on steel skeleton (2).