CN209994917U

CN209994917U - hand-operated corn threshing device

Info

Publication number: CN209994917U
Application number: CN201920179748.0U
Authority: CN
Inventors: 何天鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-31
Filing date: 2019-01-31
Publication date: 2020-01-31
Anticipated expiration: 2029-01-31

Abstract

The utility model provides an hand formula corn thresher, including fixing base, bracing piece, fender grain cover, threshing cylinder, connecting bearing and commentaries on classics handle, the fixing base has width adjustable centre gripping mouth, and the upper end of fixing base is passed through the bracing piece with solid fixed ring fixed connection, keep off grain cover with gu fixed ring's last front end fixed connection, threshing cylinder with the front end fixed connection of rotating ring, threshing cylinder is located and keeps off grain cover under, threshing cylinder's front end axial is equidistant to be equipped with several threshing blade, follows threshing blade's the rear end that combines together with threshing cylinder sets up to the inside slope of circumference to threshing blade's front end, change the handle with the rear end fixed connection of rotating ring.

Description

hand-operated corn threshing device

Technical Field

The utility model relates to the technical field of agricultural machinery, concretely relates to hand formula corn thresher.

Background

Corn is a -year-old male and female cross-pollinated plant, has high and large plants and strong stems, is an important food crop and feed crop, is also a crop with the highest total yield all over the world, has the planting area and the total yield only inferior to rice and wheat, is directly known as a long-life food, contains rich protein, fat, vitamins, trace elements, cellulose and the like, has great potential for developing high-nutrition and high-biological-function food, has the defects of overlong period, overlarge variation coefficient and influence on growth and development of filial generations in the conventional breeding process due to relatively complex heredity and rich variation types, and overcomes the defects and the defects of the modern biological breeding technology and simultaneously improves the breeding speed and quality.

In China, corn is an important grain crop, the adaptability of corn is strong, the distribution is , the purposes are multiple, the yield increase potential is large, the sowing area and the total yield in China are only second to rice and wheat, the corn threshing work is which is an important work flow in the corn planting process, currently, for the corn threshing technology, large-scale electric corn threshing devices are adopted for threshing in farms and large-scale farmers , the threshing mode has the advantages of high threshing efficiency and suitability for large-scale farmers, but the threshing price of the large-scale electric corn threshing devices is high, the power consumption is large in the using process, the use cost is too high, the mode is obviously not suitable for common farmers, and therefore common rural farmers still adopt the traditional manual threshing mode, but the traditional manual threshing has the defects of high labor intensity and low efficiency, and if the corn planting area of the farmers is slightly larger than , only the corn work occupies a long time, and great inconvenience is brought to the work of the farmers.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides hand-operated corn threshing devices, which is used for solving the problems of large labor intensity and low efficiency of the prior manual threshing.

The utility model provides hand-operated corn threshing devices, which comprises a fixed seat, a supporting rod, a grain blocking cover, a threshing cylinder, a connecting bearing and a rotating handle;

the fixed seat is provided with a clamping opening with adjustable width;

the upper end of the fixed seat is fixedly connected with the fixed ring of the connecting bearing through the supporting rod;

the particle blocking cover is fixedly connected with the upper front end of the fixing ring;

the threshing cylinder is fixedly connected with the front end of the rotating ring of the connecting bearing, the threshing cylinder is positioned under the grain blocking cover, a plurality of threshing blades are axially arranged at equal intervals at the front end of the threshing cylinder, and the threshing blades are inclined towards the inside of the circumference from the rear end of the threshing blades combined with the threshing cylinder to the front end of the threshing blades;

the rotating handle is fixedly connected with the rear end of the rotating ring.

In the above technical solution, the utility model discloses can also do following improvement.

The preferable technical scheme is characterized in that: the single threshing blade is rotationally connected with the corresponding threshing cylinder.

The preferable technical scheme is characterized in that: the rear end of each threshing blade is rotatably provided with a pin shaft, the front end of the threshing cylinder corresponding to the threshing blade is provided with a pin hole matched with the pin shaft, and the pin shaft is rotatably inserted in the pin hole.

The preferable technical scheme is characterized in that: and an outward expansion mechanism which enables the threshing blades to rotate outwards is fixedly arranged on the outer side surface of each threshing blade.

The preferable technical scheme is characterized in that the external expanding mechanism comprises a pull rod and a connecting seat, the connecting seat is fixedly arranged on the outer side surface of the threshing blade, the pull rod is horizontally arranged between the grain blocking cover and the threshing cylinder, the end of the pull rod is fixedly connected with the connecting seat, and the other end of the pull rod horizontally extends out of the connecting bearing.

The preferable technical scheme is characterized in that: the pull rod is connected with the connecting seat through a spring piece.

The preferable technical scheme is characterized in that the other end of the single pull rod is bent, a ring groove is arranged on the outer side wall of the fixed seat, and the other end of the pull rod can be hooked in the ring groove.

The preferable technical scheme is characterized in that: the length of the grain blocking cover is greater than the length of the threshing blade connected with the threshing cylinder, and the lower end of the grain blocking cover is provided with a notch used for enabling corn grains to fall off.

The preferable technical scheme is characterized in that: the rotating handle is sleeved with an anti-skid sleeve.

The preferable technical scheme is characterized in that: the number of the threshing blades is five.

Compared with the prior art, the beneficial effects of the utility model are that the utility model discloses a set up fixing base, bracing piece, fender grain cover, a threshing cylinder, connecting bearing and commentaries on classics handle, when changeing the rotation through the manpower drive, a threshing cylinder is along with changeing the rotation, the kernel of corn is peeled off by a plurality of threshing blades of a threshing cylinder, reaches the purpose for the corn is threshed, because from threshing blade with the rear end that threshing cylinder combines to its front end be to the inside slope setting of circumference for the maize that the size is not can all use this corn thresher to operate, the utility model discloses a corn thresher is manual operation, and threshing strength can not be too big, can guarantee the integrity of kernel of corn and corncob, simple structure moreover, convenient operation, its low cost is fit for pushing away by a large scale and uses.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the prior art, reference will now be made briefly to the drawings which are needed in the description of the embodiments or the prior art.

Fig. 1 is a schematic structural diagram of hand-operated corn threshing devices in embodiment 1 of the present invention.

Fig. 2 is a side view of hand-operated corn threshing devices according to embodiment 1 of the present invention.

Fig. 3 is a schematic structural diagram of hand-operated corn threshing devices in embodiment 2 of the present invention.

Fig. 4 is a side view of hand-operated corn threshing devices according to embodiment 2 of the present invention.

Detailed Description

To further understand the contents, features and functions of the present invention, the following embodiments are illustrated and described in detail as follows:

In the figure, the respective symbols have the following meanings:

1. a fixed seat; 11. a notch; 2. a support bar; 3. a particle blocking cover; 4. a threshing cylinder; 41. a threshing blade; 5. connecting a bearing; 51. a fixing ring; 52. a rotating ring; 6. turning a handle; 61. an anti-slip sleeve.

Referring to fig. 1 to 2, the present embodiment provides hand-operated corn threshing devices, which include a fixing base 1, a supporting rod 2, a grain blocking cover 3, a threshing cylinder 4, a connecting bearing 5 and a rotating handle 6;

the fixed seat 1 is provided with a clamping opening with adjustable width;

the upper end of the fixed seat 1 is fixedly connected with a fixed ring 51 of the connecting bearing 5 through the support rod 2;

the particle blocking cover 3 is fixedly connected with the upper front end of the fixing ring 51;

the threshing cylinder 4 is fixedly connected with the front end of a rotating ring 52 of a connecting bearing 5, the threshing cylinder 4 is positioned under the grain blocking cover 3, 5 threshing blades 41 are axially arranged at equal intervals at the front end of the threshing cylinder 4, and the threshing blades 41 are arranged to be inclined towards the inside of the circumference from the rear end of the threshing blades 41 combined with the threshing cylinder 4 to the front end of the threshing blades 41;

the rotating handle 6 is fixedly connected with the rear end of the rotating ring 52.

In the embodiment, the corn threshing device comprises a fixed seat 1, a supporting rod 2, a grain blocking cover 3, a threshing cylinder 4, a connecting bearing 5 and a rotating handle 6, when a user uses the corn threshing device, a clamping port on the fixed seat 1 is aligned with an operation table, then a screw rod below the fixed seat 1 is rotated, so that the fixed seat 1 clamps the edge of the operation table, wherein the operation table refers to a table, a stool and the like, corn is aligned with the threshing cylinder 4, meanwhile, the rotating handle 6 is manually driven to rotate, the threshing cylinder 4 rotates along with the rotating handle 6, and the corn grains are peeled off by a plurality of threshing blades 41 of the threshing cylinder 4, so that the purpose of threshing the corn is achieved, and the corn threshing device can be used for operating the corn which is not in size because the corn threshing blades 41 are inclined towards the inner part of the circumference from the rear end combined with the threshing cylinder 4.

Referring to fig. 1 and 2, the length of the grain blocking cover 3 is greater than the length of the threshing cylinder 4 and the threshing blade 41 connected with the threshing cylinder 4, and the lower end of the grain blocking cover 3 is provided with a notch 11 for dropping the corn grains.

Thus, the threshing blade 41 can be prevented from leaking outside, and the safety of the hands of the user can be protected.

Referring to fig. 1, the handle 6 is sleeved with an anti-slip cover 61.

The anti-skid sleeve 61 is arranged to facilitate the rotation of the rotating handle 6 by a user.

Example 2

In the figures, the same reference numerals are used as in the previous embodiments, and the definitions of the reference numerals in the previous embodiments are still used.

The newly appearing reference numerals are as follows:

12. a ring groove; 411. a pin shaft; 42. a pin hole; 7. an outward expansion mechanism; 71. a pull rod; 72. a connecting seat; 73. A spring plate; 74. and (4) a pull ring.

Referring to fig. 3 to 4, the present embodiment is different from embodiment 1 in that: the single threshing blade 41 is rotatably connected with the corresponding threshing cylinder 4.

By rotationally connecting the threshing blades 41 to the threshing cylinder 4, it is still possible to have five threshing blades 41 engage the corn when facing larger corn.

Referring to fig. 3 to 4, a pin 411 is rotatably disposed at the rear end of a single threshing blade 41, a pin hole 42 matched with the pin 411 is disposed at the front end of the threshing cylinder 4 corresponding to the threshing blade 41, and the pin 411 is rotatably inserted into the pin hole 42.

The pin 411 is rotatably inserted into the pin hole 42, so that the rear end of the threshing blade 41 is rotatably connected to the front end of the threshing cylinder 4.

Referring to fig. 3 to 4, an outward expanding mechanism 7 for rotating the threshing blades 41 outward is fixedly arranged on the outer side surface of each threshing blade 41.

By providing the expanding mechanism 7, when facing a large corn, the expanding mechanism 7 expands the threshing blades 41 outward to bite the corn.

Referring to fig. 3 to 4, the outward expanding mechanism 7 includes a pull rod 71 and a connecting seat 72, the connecting seat 72 is fixedly disposed on the outer side surface of the threshing blade 41, the pull rod 71 is horizontally disposed between the grain blocking cover 3 and the threshing cylinder 4, an end of the pull rod 71 is fixedly connected with the connecting seat 72, and another end of the pull rod 71 horizontally extends from the connecting bearing 5.

By providing the pull rod 71 and the connecting seat 72, the user can rotate the threshing blades 41 outward by pulling the pull rod 71 backward, thereby realizing outward expansion of the plurality of threshing blades 41.

Referring to fig. 3 to 4, the pull rod 71 is connected to the connecting seat 72 through a spring plate 73.

By arranging the spring plate 73, when the user does not pull the pull rod 71 any more, the spring plate 73 is deformed again, and the threshing blade 41 is driven to rotate inwards to bite the corn.

Referring to fig. 3 to 4, the other end of the single pull rod 71 is bent, the outer sidewall of the fixing base 1 is provided with a ring groove 12, and the other end of the pull rod 71 can be hooked in the ring groove 12.

When the user pulls the pull rod 71 backwards, the spring plate 73 can keep shape-fixed variable by hooking the other end of the pull rod 71 in the annular groove 12, at the moment, the larger corn can be put into the threshing cylinder 4, and after the corn is placed, the spring plate 73 restores to be deformed by separating the other end of the pull rod 71 from the annular groove 12, so that the threshing blade 41 is driven to rotate inwards to bite the corn.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Thus, a feature defined as "", "second" may explicitly or implicitly include or more of that feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "fixed," and the like shall be construed to , for example, as being fixedly connected, detachably connected, or in a body, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, connected between two elements, or interacting between two elements.

In the present disclosure, unless expressly stated or limited otherwise, the term "on" or "under" a feature means that the term "on" or "under" a second feature directly contacts the term or indirectly contacts the term or indirectly contacts the term second feature through intervening media.A feature "on," "above" or "above" a second feature may mean that the term feature is directly above or obliquely above the second feature or merely means that the level of the characteristic is higher than that of the second feature.A feature "under," "below" and "under" a second feature may mean that the term feature is directly below or obliquely below the second feature or merely means that the level of the characteristic is lower than that of the second feature.

In the description of the present invention, reference to the description of the terms " embodiments", " embodiments", "examples", "specific examples", or " examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiments or examples is included in at least embodiments or examples of the present invention.

Claims

The hand-operated corn threshing device is characterized by comprising a fixed seat (1), a supporting rod (2), a grain blocking cover (3), a threshing cylinder (4), a connecting bearing (5) and a rotating handle (6);

the fixed seat (1) is provided with a clamping opening with adjustable width;

the upper end of the fixed seat (1) is fixedly connected with a fixed ring (51) of the connecting bearing (5) through the support rod (2);

the particle blocking cover (3) is fixedly connected with the upper front end of the fixing ring (51);

the threshing cylinder (4) is fixedly connected with the front end of a rotating ring (52) of the connecting bearing (5), the threshing cylinder (4) is positioned under the grain blocking cover (3), a plurality of threshing blades (41) are axially arranged at equal intervals at the front end of the threshing cylinder (4), and the threshing blades (41) are inclined towards the inside of the circumference from the rear end of the threshing blades (41) combined with the threshing cylinder (4) to the front end of the threshing blades (41);

the rotating handle (6) is fixedly connected with the rear end of the rotating ring (52).
2. The hand-operated corn thresher according to claim 1, wherein a single threshing blade (41) is rotatably connected to a corresponding threshing cylinder (4).
3. The hand-operated corn thresher of claim 2, wherein the rear end of a single threshing blade (41) is rotatably provided with a pin shaft (411), the front end of the threshing cylinder (4) corresponding to the threshing blade (41) is provided with a pin hole (42) which is matched with the pin shaft (411), and the pin shaft (411) is rotatably inserted in the pin hole (42).
4. The hand-operated corn thresher of claim 3, wherein the outer side of the single threshing blade (41) is fixedly provided with an outward expanding mechanism (7) for rotating the threshing blade (41) outwards.
5. The hand-operated corn threshing device of claim 4, wherein the external expanding mechanism (7) comprises a pull rod (71) and a connecting seat (72), the connecting seat (72) is fixedly arranged on the outer side surface of the threshing blade (41), the pull rod (71) is horizontally arranged between the grain blocking cover (3) and the threshing cylinder (4), the end of the pull rod (71) is fixedly connected with the connecting seat (72), and the other end of the pull rod (71) horizontally extends out of the connecting bearing (5).
6. The hand-operated corn thresher of claim 5, wherein the pull rod (71) is connected with the connecting seat (72) through a spring leaf.
7. The hand-operated corn thresher of claim 6, wherein the other end of the single pull rod (71) is bent, the outer side wall of the fixed seat (1) is provided with a ring groove (12), and the other end of the pull rod (71) can be hooked in the ring groove (12).
8. The hand-operated corn thresher of claim 1, wherein the length of the grain-blocking cover (3) is greater than the length of the threshing cylinder (4) and the threshing blade (41) connected with the threshing cylinder (4), and the lower end of the grain-blocking cover (3) is provided with a notch (11) for the corn grains to fall.
9. The hand-operated corn thresher of claim 1, wherein the handle (6) is sleeved with an anti-slip sleeve (61).
10. The hand-operated corn thresher of claim 1, wherein the number of threshing blades (41) is five.