CN215826982U - Plant protection unmanned aerial vehicle uses novel spray lance - Google Patents

Abstract

The utility model relates to the technical field of plant protection unmanned aerial vehicles, in particular to a novel spray rod for a plant protection unmanned aerial vehicle. Comprises an inner rod body, a fixed block is fixedly connected with the position of the outer surface of the lower end of the inner rod body close to the left end, the outer surface of the lower end of the fixed block is provided with a movable groove, the position close to the left end inside the movable groove is fixedly connected with a connecting rod, the outer surface of the connecting rod is sleeved with a sleeve, the outer surface of the lower end of the sleeve is fixedly connected with a dustproof cover, the structure of the device not only can automatically fold the spray rod when the unmanned aerial vehicle collides by accident, reduce the collision force and prevent the spray rod from being broken, but also can close the water valve when being folded, prevent the spray rod from spraying pesticide to the same area all the time, avoid a great amount of waste of pesticide, prevent the agriculture and forestry in the same area from harming the agriculture and forestry due to the excessive pesticide spraying, and can cover the shower nozzle automatically under fold condition, prevent that the shower nozzle from adsorbing too much dust and causing shower nozzle department to block up.

Description

Plant protection unmanned aerial vehicle uses novel spray lance

Technical Field

The utility model relates to the technical field of plant protection unmanned aerial vehicles, in particular to a novel spray rod for a plant protection unmanned aerial vehicle.

Background

A plant protection unmanned aerial vehicle, also called unmanned aerial vehicle, is an unmanned aircraft used for the operation of agriculture and forestry plant protection, this type of unmanned aircraft is made up of three parts of flying platform (fixed wing, helicopter, multiaxis aircraft), navigation flight control, sprinkling mechanism, fly control through ground remote control or navigation, realize and spray the operation, can spray medicament, seed, powder, etc., the small-scale unmanned helicopter has the operation height to be low, drift is few, can hover in the air, does not need the specialized take-off and landing airport, the downward air current that the rotor wing produces helps increasing the penetrating property of fog flow to crop, the preventing and controlling effect is high, remote control operation of long distance, spray the operating personnel and avoid exposing to the danger of the pesticide, have improved and sprayed many advantages such as the operation security;

in the process of implementing the utility model, the inventor finds that at least the following problems in the prior art are not solved:

1. when the plant protection unmanned aerial vehicle sprays, the spray rod is large in size and long in length, a large amount of time and manpower are needed for disassembling and installing, the occupied area is large, when an accident occurs, the spray rod is easy to collide with a barrier to cause damage to the spray rod, particularly when pesticides are sprayed on a forest, branches grow unevenly, collision risks exist, the spray rod of the traditional plant protection unmanned aerial vehicle does not have self-protection and folding functions, and the whole body needs to be improved;

2. when plant protection unmanned aerial vehicle is carrying out agriculture and forestry and is spraying work, when the accident of bumping, unmanned aerial vehicle is impaired unable to be removed, and the spray lance can carry out the pesticide to same region always and spray, both can cause a large amount of pesticides waste, can make same region agriculture and forestry produce harm to agriculture and forestry because of spraying excessive pesticide, can cause very big economic loss for the user, and traditional plant protection unmanned aerial vehicle spray lance when out of work, shower nozzle department lacks the shield, when standing for a long time, adsorb too much dust easily and cause shower nozzle department to block up, influence the spraying work of spray lance, the life of spray lance is shortened.

Therefore, a novel spray rod for a plant protection unmanned aerial vehicle is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel spray rod for a plant protection unmanned aerial vehicle, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a novel spray lance for a plant protection unmanned aerial vehicle comprises an inner rod body, wherein a fixed block is fixedly connected to the position, close to the left end, of the outer surface of the lower end of the inner rod body, a movable groove is formed in the outer surface of the lower end of the fixed block, a connecting rod is fixedly connected to the position, close to the left end, of the inner portion of the movable groove, a sleeve is sleeved on the outer surface of the connecting rod, a dustproof cover is fixedly connected to the outer surface of the lower end of the sleeve, an elastic block is fixedly connected to the outer surface of the right side of the sleeve, a first spring is fixedly connected to the outer surface of the upper end of the elastic block, one end, far away from the elastic block, of the first spring is fixedly connected with the fixed block, a limiting block is fixedly connected to the position, close to the left end, of the outer surface of the lower end of the fixed block, a valve shell is glued to the outer surface of the right end of the inner rod body, a valve core is sleeved inside of the valve shell, and a through-flow hole is formed in the position, corresponding to the left outer surface of the valve core and the inner rod body, the outer surface of the lower end of the valve core is fixedly connected with an outer rod body, the position of the right outer surface of the valve shell, which is close to the lower end, is fixedly connected with a fastener, the right inner surface of the fastener is provided with a spherical groove, the position of the upper outer surface of the outer rod body, which is close to the left end, is fixedly connected with a clamping block, the right outer surface of the clamping block is provided with a T-shaped groove, the position of the inside of the T-shaped groove, which is close to the left side, is provided with a spring gasket, the right outer surface of the spring gasket is provided with a marble, the position of the upper outer surface of the outer rod body, which is close to the middle, is fixedly connected with a round seat, the inside of the round seat is connected with a bearing in an embedded manner, the inner surface of the bearing is fixedly connected with an arc rod, the outer ring of the bearing is fixedly connected with the round seat, the inner ring of the bearing is fixedly connected with the arc rod, and the position of the upper outer surface of the inner rod body, which is close to the middle, is fixedly connected with a fixing rod, the position of the right side surface of the fixed rod, which is close to the upper end, is fixedly connected with a second spring, and one end, far away from the fixed rod, of the second spring is fixedly connected with the arc-shaped rod.

By adopting the technical scheme, the spray rod of the plant protection unmanned aerial vehicle can be rotated and folded at any angle, the floor area of the spray rod is greatly reduced, the carrying, the disassembly and the installation are convenient, when the unmanned aerial vehicle works, the inner rod body and the outer rod body are in an open state, if an accident happens, the outer rod body collides with a barrier, at the moment, the outer rod body is converted into a folded state under the action of the second tensile force of the spring, so that the collision force is reduced, the spray rod is prevented from being broken, and when the folding state is recovered, the outer rod body drives the valve core to rotate, so that the outer rod body and the inner rod body are not communicated, the spray rod stops spraying immediately, the pesticide waste is avoided, the damage to agriculture and forestry is prevented, when the inner rod body and the outer rod body are in a folded state, the dustproof cover can automatically seal and cover the spray head tightly, and the spray head is prevented from being blocked due to the fact that the spray head adsorbs excessive dust.

Preferably, the inner rod body and the outer rod body are equal in length, are distributed in a parallel state and are rotatably connected with the valve core through the valve casing.

Through adopting above-mentioned technical scheme, the body of rod and the folding and opening of the outer body of rod in the convenience can reduce the area of spray lance when unmanned aerial vehicle is out of work, has made things convenient for carrying and dismantling the installation of spray lance, can enlarge the spray area of spray lance at unmanned aerial vehicle during operation again, has saved operating time.

Preferably, the valve casing and the valve core are designed in a T-shaped structure, and the valve casing and the valve core are mutually inosculated and are in rotating connection.

Through adopting above-mentioned technical scheme, make the case can be steadily at the valve casing internal rotation, can not break away from each other, when unmanned aerial vehicle during operation, the through-flow hole corresponds each other with interior pole position, and interior pole body and outer pole body are in the feed through state, and the normal circulation of pesticide, when bumping, interior pole body and outer pole body are in fold condition, and the water valve is closed, has reduced the waste of pesticide.

Preferably, the outer surface of the fixture block and the inner surface of the fastener are both designed into arc surfaces and are matched with each other, and the marble and the spherical groove correspond to and are attached to each other.

Through adopting above-mentioned technical scheme, when interior rod body and outer rod body are in the state of opening, the fastener passes through marble and sphere groove mutual block with the fixture block and is in the same place, prevents that the outer rod body can take place the offset at unmanned aerial vehicle normal during operation, has guaranteed that interior rod body and outer rod body are in the feed through state.

Preferably, the diameter of the through-flow hole is equal to the inner diameter of the inner rod body, and the through-flow hole and the inner rod body correspond to each other in position.

Through adopting above-mentioned technical scheme, when through-flow hole and interior shank position correspond to each other, the spray lance is in the circulation state, and when the through-flow hole was rotated to the shank position in keeping away from, the spray lance was in the closed condition.

Preferably, the arc inner diameter of the arc-shaped rod is equal to the outer diameter of the inner rod body, and the centers of the arc-shaped rod and the inner rod body are at the same horizontal height.

By adopting the technical scheme, the inner rod body and the outer rod body are completely in a folded state, and the stability of the inner rod body and the outer rod body after being folded is improved.

Compared with the prior art, the utility model has the beneficial effects that:

1. by adding a series of structural components such as the inner rod body, the outer rod body, the valve shell and the like into the device, when the unmanned aerial vehicle needs to work, the outer rod body is rotated, the clamping block and the fastening piece are in a clamping state under the action of the marble, the spring gasket and the spherical groove, the inner rod body and the outer rod body are in a completely opened state at the moment, the valve core is fixedly connected with the outer rod body, the outer rod body drives the valve core to rotate, the through hole formed in the outer surface of the valve core corresponds to the position of the inner rod body at the moment, the inner rod body and the outer rod body are in a communicated state, the unmanned aerial vehicle can normally spray, when the unmanned aerial vehicle works abnormally and is accidentally collided, the outer rod body collides with an obstacle, the position of the clamping block and the position of the fastening piece deviate, under the action of the tensile force of the spring II, the outer rod body is changed into a folded state, the collision force is reduced, the spray rod is prevented from being broken, and when the folded state is recovered, the outer rod body drives the valve core to rotate, so that the outer rod body and the inner rod body are not communicated, and the spray rod immediately stops spraying, thereby not only avoiding the waste of pesticide, but also preventing the damage to agriculture and forestry;

2. by adding a series of structural components such as the elastic block, the dustproof cover, the arc-shaped rod and the like into the device, when the arc-shaped rod is contacted with the inner rod body in the folding process, under the action of the round seat and the bearing, the arc-shaped part of the arc-shaped rod is mutually attached to the inner rod body, the inner rod body and the outer rod body are completely in the folded state, the stability of the inner rod body and the outer rod body after being folded is also improved, and the collision between the inner rod body and the arc-shaped rod is avoided, when the spray head of the spray rod is contacted with the elastic block, the elastic block is extruded into the movable groove, the elastic block rotates anticlockwise around the connecting rod, because the elastic block is fixedly connected with the sleeve, the dustproof cover follows the elastic block to move anticlockwise around the connecting rod, the effect of tightly covering the spray head is achieved, the spray head is prevented from adsorbing excessive dust to cause the blockage of the spray head, when the spray head is separated from the elastic block, under the effect of the spring I, the dustproof cover can be restored to the original state, the limiting block plays a role in limiting the position of the dustproof cover.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is an overall structural view of the present invention;

FIG. 2 is a combined view of the valve core and valve housing of the present invention;

FIG. 3 is a combination view of the dust cap and the bullet block of the present invention;

FIG. 4 is a view of the combination of the fixing member and the latch according to the present invention;

fig. 5 is a combination view of the circular seat and the arc-shaped rod of the present invention.

Description of reference numerals:

1. an inner rod body; 2. a fixed block; 3. a movable groove; 4. a connecting rod; 5. a sleeve; 6. a dust cover; 7. a spring block; 8. a first spring; 9. a limiting block; 10. a valve housing; 11. a valve core; 12. a through-flow aperture; 13. an outer rod body; 14. a fastener; 15. a clamping block; 16. a round base; 17. a bearing; 18. an arcuate bar; 19. fixing the rod; 20. a second spring; 21. a spherical groove; 22. a T-shaped groove; 23. a spring washer; 24. a marble.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1 to 5, the present invention provides a technical solution:

a novel spray lance for a plant protection unmanned aerial vehicle comprises an inner rod body 1, wherein a fixed block 2 is fixedly connected to the position, close to the left end, of the outer surface of the lower end of the inner rod body 1, a movable groove 3 is formed in the outer surface of the lower end of the fixed block 2, a connecting rod 4 is fixedly connected to the position, close to the left end, of the inner portion of the movable groove 3, a sleeve 5 is sleeved on the outer surface of the connecting rod 4, a dustproof cover 6 is fixedly connected to the outer surface of the lower end of the sleeve 5, an elastic block 7 is fixedly connected to the outer surface of the right side of the sleeve 5, a spring I8 is fixedly connected to the outer surface of the upper end of the elastic block 7, one end, far away from the elastic block 7, of the spring I8 is fixedly connected with the fixed block 2, a limiting block 9 is fixedly connected to the position, close to the left end, of the outer surface of the right end of the inner rod body 1 is glued with a valve shell 10, and a valve core 11 is sleeved inside the valve shell 10, the position of the left outer surface of the valve core 11 corresponding to the inner rod body 1 is provided with a through-flow hole 12, the lower outer surface of the valve core 11 is fixedly connected with an outer rod body 13, the position of the right outer surface of the valve casing 10 close to the lower end is fixedly connected with a fastener 14, the right inner surface of the fastener 14 is provided with a spherical groove 21, the position of the upper outer surface of the outer rod body 13 close to the left end is fixedly connected with a fixture block 15, the right outer surface of the fixture block 15 is provided with a T-shaped groove 22, the position of the inside of the T-shaped groove 22 close to the left side is provided with a spring gasket 23, the right outer surface of the spring gasket 23 is provided with a ball 24, the position of the upper outer surface of the outer rod body 13 close to the middle is fixedly connected with a round seat 16, the inside of the round seat 16 is connected with a bearing 17 in an embedded manner, the inner surface of the bearing 17 is fixedly connected with an arc-shaped rod 18, and the outer ring of the bearing 17 is fixedly connected with the round seat 16, the inner ring of the bearing 17 is fixedly connected with the arc-shaped rod 18, the outer surface of the upper end of the inner rod body 1 is fixedly connected with a fixed rod 19 close to the middle position, the outer surface of the right side of the fixed rod 19 is fixedly connected with a second spring 20 close to the upper end, and one end, far away from the fixed rod 19, of the second spring 20 is fixedly connected with the arc-shaped rod 18.

By adopting the technical scheme, the spray rod of the plant protection unmanned aerial vehicle can be rotated and folded at any angle, the floor area of the spray rod is greatly reduced, the carrying, the disassembly and the installation are convenient, when the unmanned aerial vehicle works, the inner rod body 1 and the outer rod body 13 are in an open state, if an accident happens, the outer rod body 13 collides with a barrier, at the moment, the outer rod body 13 is changed into a folded state under the action of the tension of the second spring 20, so that the collision force is reduced, the spray rod is prevented from being broken, and when the folding state is recovered, the outer rod body 13 can drive the valve core 11 to rotate, so that the outer rod body 13 and the inner rod body 1 are not communicated, the spray rod stops spraying immediately, the pesticide waste is avoided, the damage to agriculture and forestry is prevented, when the inner rod body 1 and the outer rod body 13 are in a folded state, the dustproof cover 6 can automatically seal and cover the spray head tightly, and the spray head is prevented from being blocked due to the fact that too much dust is adsorbed by the spray head.

Specifically, as shown in fig. 1, the inner rod 1 and the outer rod 13 have the same length, are distributed in parallel, and are rotatably connected to the valve core 11 through the valve housing 10.

Through adopting above-mentioned technical scheme, the body of rod 1 and the folding and opening of outer body of rod 13 in the convenience can reduce the area of spray lance when unmanned aerial vehicle is out of work, has made things convenient for carrying and dismantling the installation of spray lance, can enlarge the area of spraying of spray lance at unmanned aerial vehicle during operation again, has saved operating time.

Specifically, as shown in fig. 2, the valve housing 10 and the valve core 11 are designed to be T-shaped, and the two are engaged with each other and rotatably connected.

Through adopting above-mentioned technical scheme, make case 11 can be steadily at 10 internal rotations of valve casing, can not break away from each other, when unmanned aerial vehicle during operation, through-flow hole 12 corresponds each other with interior body of rod 1 position, and interior body of rod 1 is in the connected state with outer body of rod 13, and the normal circulation of pesticide, when bumping, interior body of rod 1 is in fold condition with outer body of rod 13, and the water valve is closed, has reduced the waste of pesticide.

Specifically, as shown in fig. 4, the outer surface of the latch 15 and the inner surface of the fastening member 14 are both designed as arc surfaces and are matched with each other, and the position of the ball 24 corresponds to and fits the position of the spherical groove 21.

Through adopting above-mentioned technical scheme, when interior rod body 1 is in open state with outer rod body 13, fastener 14 passes through marble 24 and spherical groove 21 mutual block with fixture block 15 and is in the same place, prevents that outer rod body 13 from can take place the offset at unmanned aerial vehicle normal during operation, has guaranteed that interior rod body 1 is in the feed through state with outer rod body 13.

Specifically, as shown in fig. 2, the diameter of the through-flow hole 12 is equal to the inner diameter of the inner rod 1, and the two positions correspond to each other.

By adopting the technical scheme, when the through-flow hole 12 corresponds to the position of the inner rod body 1, the spray rod is in a through state, and when the through-flow hole 12 is rotated to a position far away from the inner rod body 1, the spray rod is in a closed state.

Specifically, as shown in fig. 1, the arc inner diameter of the arc rod 18 is equal to the outer diameter of the inner rod body 1, and the centers of the two arc rods are at the same horizontal height.

By adopting the technical scheme, the inner rod body 1 and the outer rod body 13 are completely in a folded state, and the stability of the inner rod body and the outer rod body after being folded is improved.

The working principle is as follows: when the unmanned aerial vehicle needs to work, the outer rod body 13 is rotated, the clamping block 15 and the fastening piece 14 are in a clamping state under the action of the marble 24, the spring gasket 23 and the spherical groove 21, the inner rod body 1 and the outer rod body 13 are in a completely opened state, the valve core 11 is fixedly connected with the outer rod body 13, the outer rod body 13 drives the valve core 11 to rotate, the through hole 12 formed in the outer surface of the valve core 11 corresponds to the position of the inner rod body 1, the inner rod body 1 and the outer rod body 13 are in a communicated state, the unmanned aerial vehicle can normally spray, when the unmanned aerial vehicle works abnormally and is in accidental collision, the outer rod body 13 collides with an obstacle, the clamping block 15 and the fastening piece 14 are deviated, under the action of the pulling force of the spring two 20, the outer rod body 13 is changed into a folded state, the collision force is reduced, the spray rod is prevented from being broken, and when the folded state is recovered, the outer rod body 13 can drive the valve core 11 to rotate, the outer rod body 13 and the inner rod body 1 are not communicated, the spray rod immediately stops spraying work, pesticide waste is avoided, agriculture and forestry are prevented from being damaged, when the arc-shaped rod 18 and the inner rod body 1 are contacted with each other in the folding process, under the action of the round seat 16 and the bearing 17, the arc-shaped part of the arc-shaped rod 18 and the inner rod body 1 are mutually attached, the inner rod body 1 and the outer rod body 13 are completely in a folded state, the stability of the inner rod body and the outer rod body after the inner rod body and the outer rod body are folded is improved, the collision between the inner rod body 1 and the arc-shaped rod body 18 is avoided, when a spray head of the spray rod is contacted with the elastic block 7, the elastic block 7 is extruded into the movable groove 3, the elastic block 7 rotates anticlockwise around the connecting rod 4, the elastic block 7 is fixedly connected with the sleeve 5, the dustproof cover 6 follows the elastic block 7 to move anticlockwise around the connecting rod 4, and the effect of tightly covering the spray head is achieved, prevent that the shower nozzle from adsorbing too much dust and causing shower nozzle department to block up, when the shower nozzle breaks away from bullet piece 7, under the effect of spring 8, shield 6 can resume original state, and stopper 9 then plays the effect of injecing shield 6 position.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (6)

1. The utility model provides a plant protection unmanned aerial vehicle is with novel spray lance, includes interior body of rod (1), its characterized in that: the outer surface of the lower end of the inner rod body (1) is close to a fixed block (2) fixedly arranged at the position of the left end, the outer surface of the lower end of the fixed block (2) is provided with a movable groove (3), the inner part of the movable groove (3) is close to a connecting rod (4) fixedly arranged at the position of the left end, the outer surface of the connecting rod (4) is sleeved with a sleeve (5), the outer surface of the lower end of the sleeve (5) is fixedly connected with a dust cover (6), the outer surface of the right side of the sleeve (5) is fixedly connected with an elastic block (7), the outer surface of the upper end of the elastic block (7) is fixedly connected with a first spring (8), one end of the first spring (8), which is far away from the elastic block (7), is fixedly connected with the fixed block (2), the outer surface of the lower end of the fixed block (2) is close to a position fixedly connected with a limiting block (9) at the left end, and the outer surface of the right end of the inner rod body (1) is glued with a valve casing (10), the valve core (11) is sleeved in the valve casing (10), a through hole (12) is formed in the position, corresponding to the inner rod body (1), of the outer surface of the left side of the valve core (11), an outer rod body (13) is fixedly connected to the outer surface of the lower end of the valve core (11), a fastening piece (14) is fixedly connected to the position, close to the lower end, of the outer surface of the right side of the valve casing (10), a spherical groove (21) is formed in the inner surface of the right side of the fastening piece (14), a clamping block (15) is fixedly connected to the position, close to the left end, of the outer surface of the upper end of the outer rod body (13), a T-shaped groove (22) is formed in the outer surface of the right side of the clamping block (15), a spring gasket (23) is arranged in the position, close to the left side, of the inside of the T-shaped groove (22), a marble (24) is arranged on the outer surface of the right side of the spring gasket (23), a round seat (16) is fixedly connected to the position, close to the middle, the embedded bearing (17) that is connected with in inside of circle seat (16), the internal surface fixed connection of bearing (17) has arc pole (18), the outer lane and the circle seat (16) fixed connection of bearing (17), the inner circle and arc pole (18) fixed connection of bearing (17), the upper end surface of the interior body of rod (1) is close to middle position fixedly connected with dead lever (19), the right side surface of dead lever (19) is close to position fixedly connected with spring two (20) of upper end, the one end and arc pole (18) fixed connection of dead lever (19) are kept away from to spring two (20).

2. The plant protection unmanned aerial vehicle of claim 1 uses novel spray lance characterized in that: the length of the inner rod body (1) is equal to that of the outer rod body (13), and the inner rod body and the outer rod body are distributed in a parallel state and are rotationally connected with the valve core (11) through the valve casing (10).

3. The plant protection unmanned aerial vehicle of claim 1 uses novel spray lance characterized in that: the valve shell (10) and the valve core (11) are in a T-shaped structural design, and the valve shell and the valve core are mutually inosculated and are in rotating connection.

4. The plant protection unmanned aerial vehicle of claim 1 uses novel spray lance characterized in that: the outer surface of the fixture block (15) and the inner surface of the fastener (14) are both designed into arc surfaces and are matched with each other, and the marble (24) and the spherical groove (21) are corresponding to each other and are attached to each other.

5. The plant protection unmanned aerial vehicle of claim 1 uses novel spray lance characterized in that: the diameter of the through-flow hole (12) is equal to the inner diameter of the inner rod body (1), and the two positions of the through-flow hole and the inner rod body correspond to each other.

6. The plant protection unmanned aerial vehicle of claim 1 uses novel spray lance characterized in that: the arc inner diameter of the arc-shaped rod (18) is equal to the outer diameter of the inner rod body (1), and the centers of the arc-shaped rod and the inner rod body are at the same horizontal height.

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