CN210929317U - Adjustable spray rod structure for automatic pesticide spraying system - Google Patents
Adjustable spray rod structure for automatic pesticide spraying system Download PDFInfo
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- CN210929317U CN210929317U CN201921670448.9U CN201921670448U CN210929317U CN 210929317 U CN210929317 U CN 210929317U CN 201921670448 U CN201921670448 U CN 201921670448U CN 210929317 U CN210929317 U CN 210929317U
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Abstract
The utility model provides an adjustable spray lance structure for automatic spout medicine system, it is including dangling at the adjustable spray lance and the shower nozzle hose of the truss bottom plate of automatic spout medicine system, and the shower nozzle hose is used for buckling into the shape of directional plant, and the end of shower nozzle hose is equipped with the shower nozzle. The utility model discloses an adopt the structure that adjustable spray lance combines the shower nozzle hose, can evenly spray the front and the back of plant leaf with lower cost realization, improve the effect of pesticide by a wide margin, reduce the waste of pesticide. The spraying height can be adjusted according to the growth state of the plants so as to achieve the best spraying effect.
Description
Technical Field
The utility model relates to a field management equipment field, especially an adjustable spray lance structure for automatic spout medicine system.
Background
The existing farmland management work such as pesticide spraying usually adopts manual or electric sprayers to spray pesticides by manpower, and has the problems of low efficiency, high labor intensity and poor safety protection. There are also solutions in the prior art for spraying pesticides using mechanical equipment. For example, chinese patent document CN107593677A is a track type intelligent pesticide spraying vehicle. Including sliding track, bracing piece, tractor, pesticide dilution tank and two sprinkler, the bracing piece erects on the field ridge, slide the track and slide the track including first track and the second that slides, and fixed laying respectively on the bracing piece, tractor slidable ground sets up on first track that slides, the pesticide dilution tank sets up on the bottom plate of tractor, two sprinkler symmetric distribution in the both sides of tractor have improved spraying efficiency, but this scheme is higher except that tractor self cost, because the dead weight of tractor is heavier, and it is higher to be under construction can possess enough bearing capacity's bracing piece cost. And the pesticide is sprayed from the top, and for some plants with luxuriant branches and leaves, the sprayed pesticide is difficult to be uniformly distributed on the plants. However, the pesticide spraying of the existing mechanical equipment can only be carried out from the top of the plant, and the bottom or the back of the plant is not sprayed, so that the deinsectization effect is influenced. For example, chinese patent document CN204653509U discloses a structure of a pesticide spraying system of a large-scale sprinkler. Chinese patent document CN107226211A describes a fruit tree pesticide spraying device and method, and describes a mode of vertically arranging a plurality of spray heads from top to bottom, which can improve the uniformity of pesticide, but the scheme still has large dead angles, and is difficult to adjust according to the growth state of plants, and the pesticide waste is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an adjustable spray lance structure for automatic spout medicine system is provided, can realize evenly spraying to the front and the back of plant leaf with lower cost, improve the effect of pesticide by a wide margin, reduce the waste of pesticide, in the preferred scheme, can also adjust according to the growth state of plant to reach the best effect of spraying.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: an adjustable spray rod structure for an automatic pesticide spraying system comprises an adjustable spray rod and a spray head hose, wherein the adjustable spray rod is hung on a truss bottom plate of the automatic pesticide spraying system, the spray head hose is used for being bent into a shape pointing to a plant, and a spray head is arranged at the end of the spray head hose.
In the preferred scheme, the adjustable spray rod is a flexible metal pipe, one end of the adjustable spray rod is connected with the spray pipe, and the other end of the adjustable spray rod is directly connected with the spray head hose;
or the other end of the adjustable spray rod is connected with the spray head hose through one or more of the combination of the connecting joint and the connecting pipe.
In the preferred scheme, the top end of the adjustable spray rod is fixedly connected with the truss bottom plate in a detachable mode;
the middle or the bottom end of the adjustable spray rod is fixedly connected with a first connecting joint, the first connecting joint is provided with at least two interfaces, one interface is connected with the spray pipe, and the other interface is connected with a spray nozzle hose or a plug.
In the preferred scheme, the top end of the adjustable spray rod is fixedly connected with the truss bottom plate in a detachable mode;
the middle or the bottom end of the adjustable spray rod is fixedly connected with a first connecting joint, the first connecting joint is provided with three interfaces, one interface is connected with the spray pipe, and the other interface is connected with a spray nozzle hose or a plug.
In the preferred scheme, the top end of the adjustable spray rod is fixedly connected with the truss bottom plate in a detachable mode;
the middle or the bottom end of the adjustable spray rod is fixedly connected with a first connecting joint, the first connecting joint is provided with three interfaces, one interface is connected with the spray pipe, and the other interface is connected with a connecting hose or a plug;
the connecting hose is connected with the nozzle or one interface of the second connecting joint, and the other interfaces of the second connecting joint are connected with the nozzle hose.
In a preferred scheme, the interfaces of the second connecting joint and the nozzle hose are respectively positioned above and below.
In a preferred scheme, the top end of the adjustable spray rod is fixedly connected with the truss bottom plate in a detachable mode;
the middle or the bottom end of the adjustable spray rod is fixedly connected with a first connecting joint, the first connecting joint is provided with four interfaces, wherein the interface positioned at the top is connected with the pesticide spraying pipe, and the interfaces positioned at the two sides are connected with a connecting hose or a plug;
the connecting hose is connected with the nozzle or one interface of the second connecting joint, and other interfaces of the second connecting joint are connected with the nozzle hose;
the interface of the first connecting joint positioned at the bottom is connected with one interface of a third connecting joint through a connecting pipe, and other interfaces of the third connecting joint are connected with a connecting hose or a plug;
the connecting hose is connected with the nozzle or one interface of the second connecting joint, and the other interfaces of the second connecting joint are connected with the nozzle hose.
In a preferred scheme, the spray nozzle hose is a bendable metal pipe;
the nozzle hose comprises an aluminum pipe, a metal spiral lapping plastic composite pipe or a copper pipe.
In the preferred scheme, a sliding sleeve is fixedly arranged on a truss bottom plate, an adjustable spray rod is connected with the sliding sleeve in a sliding mode, a rack is fixedly arranged on the adjustable spray rod, a lifting motor is fixedly arranged on the truss bottom plate and connected with a gear, and the gear is meshed with the rack and is connected with the rack so as to drive the adjustable spray rod to lift through the lifting motor;
and a distance sensor is also arranged at the bottom of the adjustable spray rod so as to adjust the height of the adjustable spray rod according to the distance from the ground.
In a preferred scheme, the adjustable spray rod is a first connecting rod and a second connecting rod which are mutually connected in a sliding mode, and the first connecting rod and the second connecting rod are fixedly connected through a fixing bolt so as to adjust the length of the adjustable spray rod.
In the preferred scheme, a connecting plate is fixedly arranged at the top of the adjustable spray rod, the connecting plate is flat or L-shaped, and the connecting plate is connected with a truss bottom plate of the automatic pesticide spraying system through a bolt;
or a U-shaped groove is formed in the connecting plate, the locking bolt penetrates through the U-shaped groove of the connecting plate and a hole in the truss bottom plate, one end of the locking bolt is connected with the locking nut, the other end of the locking bolt is connected with the cam handle through a pin shaft, a section of cam curve coaxial with the pin shaft is arranged on the cam handle, and the connecting plate is locked and loosened by rotating the cam handle.
The utility model provides an adjustable spray lance structure for automatic spout medicine system through adopting the structure that adjustable spray lance combines the shower nozzle hose, can evenly spray the front and the back of plant leaf with lower cost realization, improves the effect of pesticide by a wide margin, reduces the waste of pesticide. In the preferred scheme, the spraying height can be adjusted according to the growth state of the plants so as to achieve the optimal spraying effect.
Drawings
The invention will be further explained with reference to the following figures and examples:
fig. 1 is a schematic view of the overall structure of the automatic pesticide spraying system of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic view of the structure of the middle quick connector of the present invention.
Fig. 4 is a schematic top view of the quick connection device of the present invention.
Fig. 5 is another preferred structure diagram of the present invention.
Fig. 6 is another preferred structure diagram of the present invention.
Fig. 7 is the structure diagram of the automatic lifting adjustment of the adjustable spray rod of the utility model.
In the figure: an automatic pesticide spraying system 1, a truss bottom plate 11, an adjustable spray rod 2,
the spraying device comprises a spraying pipe 21, a first connecting joint 22, a connecting hose 23, a second connecting joint 24, a nozzle hose 25, a connecting plate 26, a plug 27, a third connecting joint 28, a distance sensor 29, a first connecting rod 201, a fixing bolt 202, a second connecting rod 203, a sliding sleeve 204, a gear 205, a lifting motor 206, a rack 207, a spraying head 3, a quick connecting device 4, a locking bolt 41, a pin shaft 42, a cam handle 43, a locking nut 44 and a plant 5.
Detailed Description
Example 1:
referring to fig. 1 and 2, an adjustable spray bar structure for an automatic pesticide spraying system comprises an adjustable spray bar 2 and a spray nozzle hose 25, wherein the adjustable spray bar 2 is hung on a truss bottom plate 11 of the automatic pesticide spraying system 1, the spray nozzle hose 25 is bent to be directed to a plant 5, and a spray nozzle 3 is arranged at the end of the spray nozzle hose 25. In a preferred embodiment, the nozzle hose 25 is a bendable metal pipe;
the nozzle hose 25 comprises an aluminum pipe, a metal spiral wrapping plastic composite pipe or a copper pipe. Other bendable and capable of being secured, such as a tube of multiple bulb structures sealed to one another, are also included. By the structure, the utility model provides a shower nozzle 3 can be better directional plant 5 need the position of giving medicine to poor free of charge.
Example 2:
on the basis of the embodiment 1, in a preferable scheme, the adjustable spray rod 2 is a flexible metal pipe, one end of the adjustable spray rod 2 is connected with the spraying pipe 21, and the other end of the adjustable spray rod 2 is directly connected with the spray head hose 25;
or the other end of the adjustable spray bar 2 is connected to a spray hose 25 through a combination of one or more of a connection fitting and a connection tube. From this structure, can directly make the better directional plant 5 of shower nozzle 3 through buckling adjustable spray lance 2.
Example 3:
on the basis of the embodiment 1, a preferable scheme is that in fig. 2, the top end of the adjustable spray rod 2 is fixedly connected with a truss bottom plate 11 in a detachable mode;
the middle or the bottom end of the adjustable spray rod 2 is fixedly connected with a first connecting joint 22, the first connecting joint 22 is provided with at least two interfaces, one of the interfaces is connected with the spray pipe 21, and the other interface is connected with a spray head hose 25 or a plug 27. The first connection 22 is preferably connected to the adjustable spray bar 2 by welding. Separating the rod structure for fixation from the tube structure in this example helps to reduce implementation costs with standard components. For example, a common tee joint can be used for each connection joint. The pipeline can adopt common aluminum plastic pipes or plastic pipes.
Example 4:
on the basis of the embodiment 3, in a preferable scheme, the top end of the adjustable spray rod 2 is fixedly connected with the truss bottom plate 11 in a detachable mode;
the middle or the bottom end of the adjustable spray rod 2 is fixedly connected with a first connecting joint 22, the first connecting joint 22 is provided with three interfaces, one of the interfaces is connected with the spray pipe 21, and the other interface is connected with a spray head hose 25 or a plug 27.
Example 5:
on the basis of the embodiments 3-4, the preferable scheme is as shown in fig. 2 and 5, the top end of the adjustable spray rod 2 is fixedly connected with the truss bottom plate 11 in a detachable mode;
the middle or the bottom end of the adjustable spray rod 2 is fixedly connected with a first connecting joint 22, the first connecting joint 22 is provided with three interfaces, one of the interfaces is connected with the pesticide spraying pipe 21, and the other interface is connected with a connecting hose 23 or a plug 27;
the connection hose 23 is connected to the spray head 3 or one of the connections of the second connection nipple 24, and the other connection of the second connection nipple 24 is connected to the spray head hose 25.
In a preferred embodiment, the connection ports of the second connector 24 and the nozzle hose 25 are located above and below, respectively. By the structure, the posture of the spray head 3 can be better adjusted, and the spraying effect is improved. This solution is suitable for shorter plants 5.
Example 6:
on the basis of the embodiment 3-5, the preferable scheme is as shown in FIG. 6, the top end of the adjustable spray rod 2 is fixedly connected with the truss bottom plate 11 in a detachable mode;
the middle or the bottom end of the adjustable spray rod 2 is fixedly connected with a first connecting joint 22, the first connecting joint 22 is provided with four interfaces, wherein the interface positioned at the top is connected with the pesticide spraying pipe 21, and the interfaces positioned at the two sides are connected with a connecting hose 23 or a plug 27;
the connecting hose 23 is connected with one interface of the spray head 3 or the second connecting joint 24, and the other interface of the second connecting joint 24 is connected with the spray head hose 25;
the interface of the first connecting joint 22 at the bottom is connected with one interface of a third connecting joint 28 through a connecting pipe, and the other interface of the third connecting joint 28 is connected with a connecting hose 23 or a choke plug 27;
the connection hose 23 is connected to the spray head 3 or one of the connections of the second connection nipple 24, and the other connection of the second connection nipple 24 is connected to the spray head hose 25. This solution is suitable for plants 5 of higher height.
Example 7:
based on embodiments 3 to 6, a preferable scheme is as shown in fig. 2 and 5, the adjustable spray rod 2 is a first connecting rod 201 and a second connecting rod 203 which are slidably connected with each other, and the first connecting rod 201 and the second connecting rod 203 are fixedly connected through a fixing bolt 202 so as to adjust the length of the adjustable spray rod 2. Preferably, the first connecting rod 201 and the second connecting rod 203 are selected from steel pipes sleeved with each other or angle irons slidably connected with each other.
Example 8:
on the basis of the embodiments 3-7, the preferable scheme is as shown in fig. 3 and 4, a connecting plate 26 is fixedly arranged at the top of the adjustable spray rod 2, the connecting plate 26 is flat or L-shaped, and the connecting plate 26 is connected with the truss bottom plate 11 of the automatic pesticide spraying system 1 through bolts;
or a U-shaped groove is arranged on the connecting plate 26, the locking bolt 41 penetrates through the U-shaped groove of the connecting plate 26 and the hole on the truss bottom plate 11, one end of the locking bolt 41 is connected with the locking nut 44, the other end of the locking bolt 41 is connected with the cam handle 43 through the pin shaft 42, a section of cam curve coaxial with the pin shaft 42 is arranged on the cam handle 43, and the connecting plate 26 is locked and loosened by rotating the cam handle 43.
Taking the embodiments 3 to 8 as examples, when in use, the spraying pipe 21 of the automatic spraying system 1 is connected with a spraying pump, and the spraying pipe 21 is of a tree structure comprising a main pipe and a plurality of branch pipes. A plurality of holes are formed in a truss bottom plate 11 of the automatic pesticide spraying system 1, the adjustable spray rod 2 is connected with the holes in the truss bottom plate 11 according to the position of a plant 5, and the connection mode is bolt connection or quick connection device 4 fixed connection. The quick connection device 4 is configured such that the locking bolt 41 is first inserted through a hole in the truss bottom plate 11 and fixed by a locking nut 44, in this example, the locking nut 44 is two nuts that are locked to each other, a sufficient gap is provided between the cam handle 43 and the truss bottom plate 11 to penetrate the connection plate 26, a "U" -shaped slot of the connection plate 26 is inserted onto the locking bolt 41, the cam handle 43 is pulled, and the connection plate 26 and the truss bottom plate 11 are compressed and fixed by using the change of the cam curve. The branch pipe of the spraying pipe 21 is connected with the first connecting joint 22, and the bending posture of the nozzle hose 25 is adjusted to make the nozzle 3 located at a better position, so as to improve the spraying effect. Starting the automatic pesticide spraying system 1, the omnibearing pesticide spraying operation can be carried out on the plant 5.
Example 9:
on the basis of embodiments 1 and 3 to 6, a preferable scheme is as shown in fig. 7, a sliding sleeve (204) is fixedly arranged on a truss bottom plate (11), an adjustable spray rod (2) is in sliding connection with the sliding sleeve (204), a rack (207) is fixedly arranged on the adjustable spray rod (2), a lifting motor (206) is fixedly arranged on the truss bottom plate (11), the lifting motor (206) is connected with a gear (205), and the gear (205) is in meshing connection with the rack (207) so as to drive the adjustable spray rod (2) to lift through the lifting motor (206); a groove for accommodating the rack (207) is arranged in the sliding sleeve (204), and the rack (207) simultaneously plays a role in limiting the rotation of the adjustable spray rod (2) in the sliding sleeve (204).
The bottom of the adjustable spray rod (2) is also provided with a distance sensor (29), the distance sensor (29) preferably adopts a laser distance measuring sensor or an ultrasonic distance measuring sensor, the distance measuring precision is controlled within 5cm, and the height of the adjustable spray rod (2) is adjusted according to the distance from the ground. By the structure, automatic height adjustment of the adjustable spray rod (2) in the working process is realized.
The above embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the features in the embodiments and the examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (10)
1. The utility model provides an adjustable spray lance structure for automatic medicine system that spouts, characterized by: the automatic spraying system comprises an adjustable spray rod (2) and a spray head hose (25) which are hung on a truss bottom plate (11) of the automatic spraying system (1), wherein the spray head hose (25) is used for being bent into a shape pointing to a plant (5), and a spray head (3) is arranged at the end of the spray head hose (25).
2. The adjustable spray bar structure for an automatic pesticide spraying system as claimed in claim 1, wherein: the adjustable spray rod (2) is a flexible metal pipe, one end of the adjustable spray rod (2) is connected with the spray pipe (21), and the other end of the adjustable spray rod (2) is directly connected with the spray head hose (25);
or the other end of the adjustable spray rod (2) is connected with the spray head hose (25) through one or more of a connecting joint and a connecting pipe.
3. The adjustable spray bar structure for an automatic pesticide spraying system as claimed in claim 1, wherein: the top end of the adjustable spray rod (2) is fixedly connected with the truss bottom plate (11) in a detachable mode;
the middle or the bottom end of the adjustable spray rod (2) is fixedly connected with a first connecting joint (22), the first connecting joint (22) is provided with at least two interfaces, one interface is connected with the spray pipe (21), and the other interface is connected with a spray head hose (25) or a plug (27);
the nozzle hose (25) is a bendable metal pipe;
the spray head hose (25) comprises an aluminum pipe, a metal spiral wrapping plastic composite pipe or a copper pipe.
4. The adjustable spray bar structure for an automatic pesticide spraying system as claimed in claim 1, wherein: the top end of the adjustable spray rod (2) is fixedly connected with the truss bottom plate (11) in a detachable mode;
the middle or the bottom end of the adjustable spray rod (2) is fixedly connected with a first connecting joint (22), the first connecting joint (22) is provided with three interfaces, one of the interfaces is connected with the spraying pipe (21), and the other interface is connected with a spray head hose (25) or a plug (27).
5. The adjustable spray bar structure for an automatic pesticide spraying system as claimed in claim 1, wherein: the top end of the adjustable spray rod (2) is fixedly connected with the truss bottom plate (11) in a detachable mode;
the middle or the bottom end of the adjustable spray rod (2) is fixedly connected with a first connecting joint (22), the first connecting joint (22) is provided with three interfaces, one of the interfaces is connected with the pesticide spraying pipe (21), and the other interface is connected with a connecting hose (23) or a plug (27);
the connecting hose (23) is connected with the nozzle (3) or one interface of the second connecting joint (24), and the other interface of the second connecting joint (24) is connected with the nozzle hose (25).
6. An adjustable spray bar structure for an automatic pesticide spraying system as claimed in claim 5, wherein: the interfaces of the second connecting joint (24) and the nozzle hose (25) are respectively positioned above and below.
7. The adjustable spray bar structure for an automatic pesticide spraying system as claimed in claim 1, wherein: the top end of the adjustable spray rod (2) is fixedly connected with the truss bottom plate (11) in a detachable mode;
the middle or the bottom end of the adjustable spray rod (2) is fixedly connected with a first connecting joint (22), the first connecting joint (22) is provided with four interfaces, wherein the interface positioned at the top is connected with the pesticide spraying pipe (21), and the interfaces positioned at two sides are connected with a connecting hose (23) or a plug (27);
the connecting hose (23) is connected with the nozzle (3) or one interface of the second connecting joint (24), and the other interface of the second connecting joint (24) is connected with the nozzle hose (25);
the interface of the first connecting joint (22) at the bottom is connected with one interface of a third connecting joint (28) through a connecting pipe, and the other interfaces of the third connecting joint (28) are connected with a connecting hose (23) or a choke plug (27);
the connecting hose (23) is connected with the nozzle (3) or one interface of the second connecting joint (24), and the other interface of the second connecting joint (24) is connected with the nozzle hose (25).
8. An adjustable spray bar structure for an automatic pesticide spraying system as claimed in any one of claims 3 to 7, wherein: a sliding sleeve (204) is fixedly arranged on the truss bottom plate (11), the adjustable spray rod (2) is in sliding connection with the sliding sleeve (204), a rack (207) is fixedly arranged on the adjustable spray rod (2), a lifting motor (206) is fixedly arranged on the truss bottom plate (11), the lifting motor (206) is connected with a gear (205), and the gear (205) is in meshed connection with the rack (207) so as to drive the adjustable spray rod (2) to lift through the lifting motor (206);
a distance sensor (29) is also arranged at the bottom of the adjustable spray rod (2) so as to adjust the height of the adjustable spray rod (2) according to the distance from the ground.
9. An adjustable spray bar structure for an automatic pesticide spraying system as claimed in any one of claims 3 to 7, wherein: the adjustable spray rod (2) is a first connecting rod (201) and a second connecting rod (203) which are mutually connected in a sliding mode, and the first connecting rod (201) is fixedly connected with the second connecting rod (203) through a fixing bolt (202) so as to adjust the length of the adjustable spray rod (2).
10. An adjustable spray bar structure for an automatic pesticide spraying system as claimed in any one of claims 3 to 7, wherein: a connecting plate (26) is fixedly arranged at the top of the adjustable spray rod (2), the connecting plate (26) is flat or L-shaped, and the connecting plate (26) is connected with a truss bottom plate (11) of the automatic pesticide spraying system (1) through a bolt;
or a U-shaped groove is formed in the connecting plate (26), a locking bolt (41) penetrates through the U-shaped groove of the connecting plate (26) and a hole in the truss bottom plate (11), one end of the locking bolt (41) is connected with a locking nut (44), the other end of the locking bolt (41) is connected with a cam handle (43) through a pin shaft (42), a section of cam curve coaxial with the pin shaft (42) is arranged on the cam handle (43), and the connecting plate (26) is locked and loosened by rotating the cam handle (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921670448.9U CN210929317U (en) | 2019-10-08 | 2019-10-08 | Adjustable spray rod structure for automatic pesticide spraying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921670448.9U CN210929317U (en) | 2019-10-08 | 2019-10-08 | Adjustable spray rod structure for automatic pesticide spraying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210929317U true CN210929317U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921670448.9U Expired - Fee Related CN210929317U (en) | 2019-10-08 | 2019-10-08 | Adjustable spray rod structure for automatic pesticide spraying system |
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| Country | Link |
|---|---|
| CN (1) | CN210929317U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114846979A (en) * | 2022-06-01 | 2022-08-05 | 杭州大圃艺科创农业有限公司 | Precious and rare afforestation plant leaf surface dust removal insecticidal maintenance integrated device in gardens |
-
2019
- 2019-10-08 CN CN201921670448.9U patent/CN210929317U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114846979A (en) * | 2022-06-01 | 2022-08-05 | 杭州大圃艺科创农业有限公司 | Precious and rare afforestation plant leaf surface dust removal insecticidal maintenance integrated device in gardens |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |