CN114303759A

CN114303759A - A protector for crops

Info

Publication number: CN114303759A
Application number: CN202210014084.9A
Authority: CN
Inventors: 欧阳晶波
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-04-12
Anticipated expiration: 2042-01-06
Also published as: CN114303759B

Abstract

The invention provides a protective device for crops, and relates to the technical field of crop protection. Comprises a protection part and a support component which are connected with each other; the supporting component is used for being inserted into soil of the environment where the plant is located and enabling the protection part to cover the plant; the supporting component comprises a plurality of supporting frames connected with the protection part, and the supporting frames are positioned on the same side of the protection part; the crops have good growing environment and conditions, and the purpose of protecting plants or cauliflowers and the like is finally achieved; when the plants or cauliflowers are sold, the plants or cauliflowers have good growing environment, and the selling is not influenced, so that the economic benefit is not influenced, and the economic benefit can be improved; meanwhile, when the whole device is used, the operation is simple, convenient and flexible, and the practicability is higher.

Description

A protector for crops

Technical Field

The invention relates to the technical field of crop protection, in particular to a protection device for crops.

Background

Crops refer to various plants cultivated in agriculture; including two major types of grain crops and economic crops (oil crops, vegetable crops, flowers, grasses and trees); in commercial crops, most flowers are flowering, some flowers can be sold directly, and some flowers are in the process of going through fruiting; and when the plant is in the process of flowering, there is not the device that can protect it at present, leads to in this process, has following problem:

1. excessive insolation leads to poor growth conditions during the growth process of the plants, and particularly during the flowering stage, leading to yellowing of the flowers of the plants,

2. the plants are damaged in the growing process due to the influence of severe weather reasons, such as hail and the like;

the selling of the plants in the later period can be influenced by the conditions, and further economic benefit is greatly reduced.

In view of the above problems, how to design a protection device for crops is an urgent need to solve at present.

Disclosure of Invention

The invention aims to provide a crop protection device, which can prevent a plant from being exposed to the sun and influenced by severe days in the growth process of the plant, so that the plant can grow better, the later sale is easier, and the economic benefit can be greatly improved.

The embodiment of the invention is realized by the following steps:

the embodiment of the application provides a protection device for crops, which comprises a protection part and a support component, wherein the protection part and the support component are connected with each other; the supporting component is used for being inserted into soil of the environment where the plant is located and enabling the protection part to cover the plant;

the supporting component comprises a plurality of supporting frames connected with the protection part, and the supporting frames are positioned on the same side of the protection part.

In some embodiments of the present invention, the supporting frame includes a plurality of connecting rods rotatably connected in sequence;

the end part of the connecting rod far away from the protective part is fixedly connected with a pull rope, and the other end of the pull rope penetrates through the other connecting rods and is connected with a tightening assembly arranged in the protective part; the tightening component is used for tightening or loosening the pull rope and can enable the support frame to be switched between a bending rotation state and an upright state.

In some embodiments of the invention, the pull cord is located away from the junction of the plurality of tie bars.

In some embodiments of the present invention, the tightening assembly includes a main hub and an auxiliary hub rotatably connected to each other;

one end of the main wheel sleeve is provided with a groove, the auxiliary wheel shaft penetrates through the groove and is fixedly connected with a take-up pulley, and one end of the auxiliary wheel shaft, which extends out of the main wheel sleeve, is connected with a rotating part; the inner wall of the groove is provided with a plurality of one-way tooth sockets, the outer wall of the auxiliary wheel shaft is provided with a plurality of clamping strips, and the clamping strips are positioned in the groove and can be clamped in the one-way tooth sockets;

one end of the pull rope extending out of the support frame is connected with the take-up pulley.

In some embodiments of the present invention, the tightening assembly is located in an installation groove formed in the protection portion; and one end of the pull rope extending out of the support frame is connected with the take-up pulley through a threading channel arranged on the protection part.

In some embodiments of the present invention, the outer wall of the main wheel sleeve is uniformly provided with a plurality of limiting tooth grooves along the circumferential direction; the end part of the mounting groove is rotatably connected with a limiting clamping piece which can be clamped into the limiting tooth groove and is used for limiting the rotation of the main wheel sleeve.

In some embodiments of the present invention, the protection part includes a buffer layer and a connection part connected to each other;

the supporting component is rotationally connected with the connecting part; the tightening assembly is positioned in the buffer layer; the buffer layer is connected with the connecting part through the elastic piece.

In some embodiments of the present invention, the sidewall of the buffer layer extends toward one end and forms an annular isolation sleeve capable of wrapping the connection portion; the connecting portion be provided with the guide post, the jack has been seted up to the one end of buffer layer, and the guide post corresponds with the jack to when the elastic component compression, can stretch into in the jack.

In some embodiments of the invention, the connection portion is provided with a through hole for penetrating the pull cord.

In some embodiments of the present invention, a middle portion of the buffer layer, which is away from one end of the connection portion, extends outward and forms an arc guide portion.

Compared with the prior art, the embodiment of the invention has at least the following advantages or beneficial effects:

when the protective device is used, the protective part is fixed above a plant or a cauliflower to be protected through the supporting component, and the protective part is of a plate body structure made of metal or plastic and the like, so that the protective part can be covered or covered above the plant or the cauliflower to be protected under the action of the supporting component, the effects of shading sun, preventing falling objects and the like are achieved, and the plant is prevented from yellowing due to insolation or being damaged due to falling objects such as hail and the like; meanwhile, gaps are reserved between the edges of the whole device, namely the supporting frames, so that plants can be always in contact with air, the plants have good growing environment and conditions, and the purpose of protecting the plants or cauliflowers and the like is finally achieved; when the plants or cauliflowers are sold, the plants or cauliflowers have good growing environment, and the selling is not influenced, so that the economic benefit is not influenced, and the economic benefit is improved; meanwhile, when the integral device is used, the operation is simple, convenient and flexible, and the practicability is higher;

when the pull rope is tightened, the three connecting rods are sequentially connected in a rotating manner, and after the pull rope is tightened, the three connecting rods are in an upright state, namely the three connecting rods form a rod body which is close to a linear type, so that the three connecting rods can be quickly inserted into soil;

when the pull rope is in a loose state, the three connecting rods can be contracted under the action of the elastic rope, the elastic rope is connected between the two connecting rods at one end close to the joint of the three connecting rods, so that the single support frame is bent, the whole device is convenient to store and take when in use through the arrangement of the structure, the phenomenon that the conical part of the single support frame stabs personnel when in placement is avoided, and the use safety is improved;

the connection between the main wheel sleeve and the auxiliary wheel shaft ensures that when only the auxiliary wheel shaft rotates, the main wheel sleeve can only rotate towards one direction, and the direction is the tightening direction of the pull rope; when the main wheel sleeve rotates towards the other direction, the auxiliary wheel shaft cannot rotate, the main wheel sleeve and the auxiliary wheel shaft are required to rotate together, and the direction is the direction of loosening the pull rope;

when there is the thing that falls etc. to cause the harm to the plant, it is at first with the buffer layer contact, and under the effect of elastic component, can cushion the certain kinetic energy of falling the thing, and the integrated device that makes is when receiving the contact of falling the thing, very big buffering with reduced the influence to its structural stability, avoided more after the contact falls the thing, the condition that the integrated device topples over to one side, and then make the integrated device have higher practicality when using.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a connection between a protective part and a support assembly according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of another shield in an embodiment of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a schematic view of the connection between the primary and secondary wheel hubs in an embodiment of the present invention;

FIG. 5 is a schematic view of another embodiment of a support bracket of the present invention;

fig. 6 is an enlarged view at B in fig. 5.

Icon: 1. a protective part; 2. a support frame; 3. a connecting rod; 4. pulling a rope; 5. a main wheel sleeve; 6. an auxiliary wheel shaft; 7. a groove; 8. a take-up pulley; 9. a rotating part; 10. a unidirectional tooth slot; 11. clamping the strip; 12. mounting grooves; 13. a threading channel; 14. a limiting tooth socket; 15. a limiting clamping piece; 16. a buffer layer; 17. a connecting portion; 18. an elastic member; 19. an annular spacer sleeve; 20. a guide post; 21. a through hole; 22. a circular arc guide portion; 23. an elastic rope.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are usually placed in when used, the terms are only used for convenience of description and simplification of the description, and do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed and operated in specific orientations, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" represents at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Examples

Referring to fig. 1 to 6, fig. 1 is a schematic view illustrating a connection between a protection part 1 and a support assembly according to an embodiment of the present invention;

fig. 2 shows a cross-sectional view of another shield part 1 according to an embodiment of the invention;

FIG. 3 is an enlarged view of FIG. 2 at A;

fig. 4 is a schematic view showing the connection between the main hub 5 and the auxiliary hub 6 according to the embodiment of the present invention;

FIG. 5 is a schematic view of another embodiment of the present invention showing the connection of the support frame 2;

fig. 6 is an enlarged view of fig. 5 at B.

The embodiment of the application provides a protection device for crops, which comprises a protection part 1 and a support component, wherein the protection part and the support component are connected with each other; the protection part 1 is used for protecting plants, and is positioned at the upper ends of the plants when in use, so that the aims of shading sun and preventing falling objects such as hail from damaging the plants are fulfilled; and the supporting component inserts the soil of the plant place environment that needs the protection when using promptly to make the protection part 1 be located the plant top that needs the protection, then reach the purpose of protection.

In this embodiment, the protection part 1 is made of a plate structure material, and can cover the upper end of the plant, so as to achieve the purpose, and in order to make the protection part 1 have a higher protection effect, the protection part can be made of a metal material, such as aluminum, iron, and the like; so that it has a more durable effect.

That is, the supporting component is used for being inserted into soil of the environment where the plant is located, and the protection part 1 is covered above the plant; thereby just make the sunlight can not cause excessive insolate to the flower or the green leaf of plant, also can make the plant not receive the damage of weighing down objects such as hail simultaneously, finally reach the effect of protection plant, protection cauliflower etc. make it can not influence selling in later stage, and then reach the purpose that improves economic benefits.

When the protective device is used, namely the protective part 1 is fixed above a plant or cauliflower to be protected through the supporting component, and the protective part 1 is of a plate body structure made of metal or plastic and the like, so that the protective part can be covered or covered above the plant or cauliflower to be protected under the action of the supporting component, thereby achieving the effects of shading sun, preventing falling objects and the like, and avoiding the plant from yellowing due to insolation or the plant from being damaged due to falling objects such as hail and the like; meanwhile, gaps are reserved between the edges of the whole device, namely the support frames 2, so that plants can be always in contact with air, the plants have good growing environment and conditions, and the purpose of protecting the plants or cauliflowers and the like is finally achieved; when the plants or cauliflowers are sold, the plants or cauliflowers have good growing environment, and the selling is not influenced, so that the economic benefit is not influenced, and the economic benefit is improved; meanwhile, when the whole device is used, the operation is simple, convenient and flexible, and the practicability is higher.

And the material of supporting component, in order to make it more durable, also adopt metal material such as aluminium or iron to make in this embodiment, and keep away from the one end of protection part 1 at the supporting component, it is arranged in inserting soil, and this end can set up to the toper from this, and then can be more light, convenient insert in soil.

As mentioned above, the support assembly includes a plurality of support frames 2 connected to the protection portion 1, and the support frames 2 are located on the same side of the protection portion 1. In this embodiment, the support frame 2 is provided with three, and its advantage lies in: three support frames 2 evenly set up in the homonymy of guard portion 1, and the angle between the adjacent support frame 2 is 120 degrees to constitute equilateral triangle, and according to the nature of triangle-shaped structure, make the integrated device after inserting soil, have higher stability, and then make and to use minimum structure to reach better effect.

In this embodiment, the supporting frame 2 includes a plurality of connecting rods 3 connected in turn; as shown in fig. 5, in this embodiment, a single support frame 2 is formed by connecting three connecting rods 3, one end of each of the three connecting rods 3 is in a tapered shape for being inserted into soil, and the other opposite connecting rod 3 is for being connected to the protection part 1, and here, the connecting rod 3 is rotatably connected to the protection part 1 and can only be switched between a parallel state and a perpendicular state with respect to the end surface of the protection part 1, and in both states, a fastener capable of fixing the parallel or perpendicular state is provided, and the fastener can achieve the purpose by using a limiting block, a spring and a slot, that is, the limiting block is connected to the spring, and in both the parallel and perpendicular states, the limiting block can be respectively clamped into the corresponding slot, thereby achieving the effect of the fixed state.

The state of a single support frame 2 is switched among the three connecting rods 3 by adopting pull ropes 4, in the single support frame 2, the end part of the connecting rod 3 far away from the protection part 1 is fixedly connected with the pull rope 4, and the other end of the pull rope 4 penetrates through the other connecting rods 3, namely the other two connecting rods 3 penetrate through the inner parts of the other two connecting rods 3 and are connected with a tightening assembly arranged in the protection part 1; the tightening component is used for tightening or loosening the pull rope 4 and can enable the support frame 2 to be switched between a bending rotation state and an upright state; that is, the state of the pull cord 4 can be adjusted by the takeup assembly to switch between the takeup and the slackening.

When the pulling rope 4 is tightened, the three connecting rods 3 are sequentially connected in a rotating manner, and after the pulling rope 4 is tightened, the three connecting rods 3 are in an upright state, namely the three connecting rods 3 form a rod shape close to a linear type, so that the three connecting rods can be quickly inserted into soil.

When the pulling rope 4 is in a loose state, the three connecting rods 3 are also contracted under the action of the elastic rope 23, as shown in fig. 5 and 6, the elastic rope 23 is connected between the two connecting rods 3 at one end close to the joint of the three connecting rods 3, so that the single supporting frame 2 is bent, please refer to the structure shown in fig. 5; through the setting of this structure for the integrated device is more convenient for accomodate and take when using, avoids single support frame 2 its toper portion to stab personnel when placing, improves the security of using.

In this embodiment, the pull cord 4 is provided apart from the connection points of the plurality of tie bars 3. As shown in fig. 5, that is, the pulling rope 4 and the elastic rope 23 are oppositely disposed at two ends of the supporting frame 2, so that the supporting frame 2 can be switched between an upright state and a bent state better, and is more flexible in practical use.

It should be noted that, in actual use, the pull rope 4 has no elastic deformation, and the elastic rope 23 has a certain elastic deformation; in order to prevent the elastic rope 23 from being affected by soil corrosion after being inserted into soil, the outer wall of the elastic rope 23 or the outer wall of the integral supporting frame 2 can be sleeved with a sleeve to isolate the elastic rope 23 or the tension rope from the soil.

In the present embodiment, the tightening assembly comprises a main hub 5 and an auxiliary hub 6 rotatably connected to each other;

one end of the main wheel sleeve 5 is provided with a groove 7, the auxiliary wheel shaft 6 penetrates through the groove 7 and is fixedly connected with a take-up pulley 8, and one end of the auxiliary wheel shaft 6, which extends out of the main wheel sleeve 5, is connected with a rotating part 9; the inner wall of the groove 7 is provided with a plurality of unidirectional tooth sockets 10, the outer wall of the auxiliary wheel shaft 6 is provided with a plurality of clamping strips 11, and the clamping strips 11 are positioned in the groove 7 and can be clamped in the unidirectional tooth sockets 10; as shown in fig. 2, 3 and 4, the connection between the main hub 5 and the auxiliary hub 6 is such that when only the auxiliary hub 6 is rotated, it can be rotated only in one direction, which is the direction in which the pulling rope 4 is tightened; when the auxiliary pulley shaft 6 is rotated in the other direction, the rotation of the main pulley 5 and the auxiliary pulley shaft 6 is required to be performed together, and the rotation is in the direction of loosening the pull rope 4. It should be noted that the clip strip 11 is elastically deformable, and may be made of metal or plastic.

In actual use, the main hub 5 is provided with a limit catch 15 capable of limiting its rotation, as described below.

And one end of the pull rope 4 extending out of the support frame 2 is connected with the take-up pulley 8. It should be noted that the take-up pulley 8 is connected to the auxiliary axle 6, that is, when the auxiliary axle 6 rotates in one direction, the pull rope 4 can be contracted, that is, tightened, and when the main hub 5 rotates in the opposite direction together with the auxiliary axle 6, the pull rope 4 is loosened.

In this embodiment, the tightening assembly is located in an installation groove 12 formed in the protection portion 1; and one end of the pull rope 4 extending out of the support frame 2 is connected with the take-up pulley 8 through a threading channel 13 arranged on the protection part 1. That is, the pull rope 4 is connected to the take-up reel 8 from the inside of the protector 1 when actually arranged, so that the pull rope 4 is not leaked, and the whole device can be used better.

It should be noted that, the outer wall of the take-up pulley 8 is provided with a take-up groove for better taking up the pull rope 4, and in order to better use the take-up pulley 8, the end of the take-up channel corresponds to the position of the take-up pulley 8, as shown in fig. 2 and 3.

In this embodiment, the outer wall of the main wheel sleeve 5 is uniformly provided with a plurality of limiting tooth grooves 14 along the circumferential direction; the end part of the mounting groove 12 is rotatably connected with a limit fastener 15 which can be clamped in a limit tooth slot 14 and is used for limiting the rotation of the main wheel sleeve 5. That is, as described above, the limit clip 15 capable of being caught in the limit teeth groove 14 is rotatably connected to the opening of the mounting groove 12, as shown in fig. 3.

In this embodiment, the protector 1 includes a buffer layer 16 and a connecting portion 17 connected to each other; that is, the protection part 1 is composed of the cushioning layer 16 and the connecting part 17, and the cushioning layer 16 and the connecting part are connected by the elastic member 18, and the elastic member 18 is a spring in the embodiment, as shown in fig. 2; the purpose of this structural arrangement is: when there is the thing that falls etc. to cause the harm to the plant, it is at first with buffer layer 16 contact, and under the effect of elastic component 18, can cushion the certain kinetic energy of thing that falls, and the integrated device that makes is receiving the contact of falling the thing, very big buffering with reduced the influence to its structural stability, avoided more after the contact thing that falls, the condition that the integrated device topples to one side, and then make the integrated device have higher practicality when using.

The supporting component is rotationally connected with the connecting part 17; tightening assembly is located within cushioning layer 16; the cushioning layer 16 is connected to the connecting portion 17 by an elastic member 18. I.e. as shown in fig. 2.

In this embodiment, the sidewall of the buffer layer 16 extends toward one end to form an annular isolation sleeve 19 capable of wrapping the connection portion 17; the connecting portion 17 is provided with a guide post 20, one end of the buffer layer 16 is provided with a jack, and the guide post 20 corresponds to the jack and can extend into the jack when the elastic member 18 is compressed.

In the present embodiment, the connection portion 17 is provided with a through hole 21 for passing the cord 4 therethrough.

In this embodiment, the middle of the buffer layer 16 away from the connecting portion 17 extends outward and forms an arc guide 22. As shown in fig. 2, the upper end of the cushioning layer 16 is formed in an arc shape, and the upper end of the cushioning layer 16 is prevented from being caught by a falling object, so that the stability of the entire device can be improved to some extent.

The working principle of the protection device for crops is as follows: when the protective device is used, the protective part 1 is fixed above a plant or a cauliflower to be protected through the supporting component, and the protective part 1 is of a plate body structure made of metal or plastic and the like, so that the protective part can be covered or covered above the plant or the cauliflower to be protected under the action of the supporting component, the effects of shading sun, preventing falling objects and the like are achieved, and the plant is prevented from yellowing due to insolation or being damaged due to falling objects such as hail and the like; simultaneously, the edge of whole device, be between support frame 2 promptly, leave gapped for the plant can contact with the air all the time, makes it have good growing environment and condition, finally reaches the purpose of protection such as plant or cauliflower.

It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A guard for a crop, comprising a guard and a support assembly connected to one another; the supporting component is used for being inserted into soil of the environment where the plant is located and enabling the protection part to cover the plant;

the supporting component comprises a plurality of supporting frames connected with the protection part, and the supporting frames are positioned at the same side of the protection part.

2. The crop protection apparatus of claim 1, wherein the support frame includes a plurality of connecting rods rotatably connected in sequence;

a pull rope is fixedly connected to the end part of the connecting rod far away from the protection part, and the other end of the pull rope penetrates through the rest connecting rods and is connected with a tightening assembly arranged in the protection part; the tightening component is used for tightening or loosening the pull rope and can enable the support frame to be switched between a bending rotation state and an upright state.

3. The device of claim 2, wherein the pull cord is positioned away from the junction of the plurality of tie bars.

4. A fender for a crop as in claim 2 wherein the take-up assembly includes a primary wheel hub and a secondary wheel axle rotatably connected to each other;

one end of the main wheel sleeve is provided with a groove, the auxiliary wheel shaft penetrates through the groove and is fixedly connected with a take-up pulley, and one end of the auxiliary wheel shaft, which extends out of the main wheel sleeve, is connected with a rotating part; the inner wall of the groove is provided with a plurality of one-way tooth grooves, the outer wall of the auxiliary wheel shaft is provided with a plurality of clamping strips, and the clamping strips are positioned in the groove and can be clamped in the one-way tooth grooves;

and one end of the pull rope extending out of the support frame is connected with the take-up pulley.

5. The crop protection device of claim 4, wherein the tightening assembly is located in a mounting groove formed in the protection portion; and one end of the pull rope extending out of the support frame is connected with the take-up pulley through a threading channel arranged on the protection part.

6. The crop protection device as claimed in claim 5, wherein the outer wall of the main wheel sleeve is uniformly provided with a plurality of limiting tooth grooves along the circumferential direction; the end part of the mounting groove is rotatably connected with a limiting clamping piece which can be clamped into a limiting tooth groove and is used for limiting the rotation of the main wheel sleeve.

7. Protection means for crops as claimed in claim 2, characterized in that said protection means comprise a cushioning layer and a connecting portion connected to each other;

the supporting component is rotatably connected with the connecting part; the tightening assembly is positioned in the buffer layer; the buffer layer is connected with the connecting part through an elastic piece.

8. The shelter of claim 7, wherein the sidewalls of the cushioning layer extend towards one end and form an annular spacer sleeve that wraps around the connecting portion; the connecting portion be provided with the guide post, the jack has been seted up to the one end of buffer layer, the guide post with the jack corresponds to when the elastic component compression, can stretch into in the jack.

9. A guard for a crop as claimed in claim 8, wherein the connection is provided with a through hole for the passage of a drawstring.

10. The shelter of claim 7, wherein the cushioning layer extends outwardly away from a middle portion of the end of the connecting portion and forms an arcuate guide.