CN210076400U - Crawler-type agricultural unmanned pesticide spraying vehicle - Google Patents
Crawler-type agricultural unmanned pesticide spraying vehicle Download PDFInfo
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- CN210076400U CN210076400U CN201920390258.5U CN201920390258U CN210076400U CN 210076400 U CN210076400 U CN 210076400U CN 201920390258 U CN201920390258 U CN 201920390258U CN 210076400 U CN210076400 U CN 210076400U
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- water
- crawler
- hinged
- wheel
- height adjusting
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Abstract
The utility model discloses a crawler-type agricultural unmanned pesticide spraying vehicle, which comprises a crawler-type walking unit, wherein the crawler-type walking unit is provided with a water tank unit, and the water tank unit is also provided with a water injection pipe; the water outlet end of the water tank unit is connected with the water inlet end of the water spraying actuator through a water supply system; the upper side of the water tank unit is also provided with an actuator height adjusting mechanism, and the water spraying actuator is arranged on the actuator height adjusting mechanism; the nozzles of the high-pressure nozzles swing back and forth with a certain amplitude, so that the spraying range and the spraying uniformity are increased.
Description
Technical Field
The utility model belongs to the robot field.
Background
The equipment for spraying water and pesticide in the jungle needs to continuously adjust the water spraying height and the spraying angle due to diversified vegetation characteristics of the jungle, and in order to have larger spraying area and uniformity in the spraying process, the spray head needs to do certain amplitude swing motion in the spraying process.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the utility model provides a crawler-type agricultural unmanned pesticide spraying vehicle which can spray uniformly and adjust the spraying height.
The technical scheme is as follows: in order to achieve the purpose, the crawler-type agricultural unmanned pesticide spraying vehicle comprises a crawler-type walking unit, wherein a water tank unit is arranged on the crawler-type walking unit, and a water injection pipe is also arranged on the water tank unit; the water outlet end of the water tank unit is connected with the water inlet end of the water spraying actuator through a water supply system; and the upper side of the water tank unit is also provided with an actuator height adjusting mechanism, and the water spraying actuator is arranged on the actuator height adjusting mechanism.
Further, a top platform is fixedly arranged on the upper side of the water tank unit; the actuator height adjusting mechanism comprises a first height adjusting frame and a second height adjusting frame; the lower end of the first height adjusting frame is hinged with the front end of the top platform through a first hinge; the upper end of the first height adjusting frame is hinged with the lower end of the second height adjusting frame through a second hinge; the water spraying actuator is arranged on the second height adjusting frame;
the water supply system comprises a water tank liquid outlet pipe, a high-pressure water pump, a lifting pipe, a flow dividing pipe, a battery valve and a water outlet pipe; the water outlet end of the water tank unit is connected with the water inlet end of the high-pressure water pump through a water tank liquid outlet pipe, the water outlet end of the high-pressure water pump is communicated with the water inlet end of the lifting pipe, and the water outlet end of the lifting pipe is connected with the water inlet ends of the two flow dividing pipes in a shunting manner;
the two battery valves are respectively fixedly arranged on the second height adjusting frame in parallel, and the water outlet ends of the two shunt tubes are respectively communicated with the water inlet ends of the two battery valves; the water outlet ends of the two battery valves are respectively communicated with the liquid inlet ends of the two water outlet pipes, and the water outlet ends of the two water outlet pipes are respectively communicated with the water inlet ends of a plurality of high-pressure spray heads on the water spraying actuator; the lifting pipe and the water outlet pipe are both of a liquid guide hose structure;
further, a first hinge seat is fixedly installed at the tail of the top platform, and a second hinge seat is also fixedly installed on the first height adjusting frame; the actuator height adjusting mechanism further comprises a first push rod linear motor and a second push rod linear motor; the tail end of the first push rod linear motor is hinged with the first hinge base through a third hinge; the tail end of a first linear push rod of the first push rod linear motor is hinged with the second hinge seat through a fourth hinge piece; the tail end of the second linear push rod linear motor is hinged with the second hinge seat through a fifth hinge piece; and the tail end of a second linear push rod of the second linear push rod linear motor is hinged and connected to the middle position of the second height adjusting frame through a sixth hinge component.
Further, the crawler-type traveling unit comprises a traveling machine body, and the water tank unit is fixed above the traveling machine body; crawler wheel units are respectively arranged on two sides of the walking machine body;
the crawler wheel unit comprises a rubber crawler; a plurality of anti-skid protrusions are arranged on the outer side of the rubber track, and the anti-skid protrusions are arrayed at equal intervals along the contour direction of the rubber track; the middle part of the inner side surface of the rubber track is provided with a plurality of engaging convex sections in an equidistant array along the outline direction; a crawler driving wheel, a tensioning guide wheel, a thrust wheel supporting connecting rod, an elastic shock absorber, a shock absorber support and a chain supporting wheel are arranged on the inner side of the rubber crawler; the crawler driving wheel and the tensioning guide wheel are respectively tensioned at the front end and the rear end of the inner side of the rubber crawler, and are meshed with a plurality of meshing convex sections on the inner side surface of the rubber crawler; the supporting chain wheel is connected with the lower side surface of the upper section belt of the rubber crawler belt in a rolling way; four thrust wheels which are arranged at equal intervals along the front-back direction are in rolling connection with the upper side surface of the lower section belt of the rubber track;
each thrust wheel is correspondingly provided with a thrust wheel supporting connecting rod, and the length direction of each thrust wheel supporting connecting rod forms an included angle of 45 degrees with the ground; the upper end of the thrust wheel supporting connecting rod is hinged with the side wall of the walking machine body through a tenth hinge piece, and the lower end of the thrust wheel supporting connecting rod is coaxially and rotatably connected with the corresponding thrust wheel through a rotating shaft; an eleventh hinge part is fixedly arranged in the middle of the thrust wheel supporting connecting rod; the lower end of a vertical elastic shock absorber is hinged to the eleventh hinge part, the upper end of the elastic shock absorber is hinged to the shock absorber support, and the shock absorber support is fixedly connected to the side wall of the walking machine body;
still be provided with track driving motor and reduction gear in the walking organism, track driving motor's output is connected the power input end of reduction gear, the power output end of reduction gear passes through the drive of second shaft coupling and connects the track drive wheel.
Has the advantages that: the utility model has simple structure, and the cross-country walking unit can realize mountain crossing and mountain crossing; the first linear push rod and the second linear push rod of the device are synchronously shortened or synchronously extended, a triangle D formed by connecting lines between triangles D and ABC and formed by connecting lines between ABC are still in an identical state, and the inclination angle of the second height adjusting frame and the ground can be always kept unchanged as long as the first linear push rod and the second linear push rod are ensured to do synchronous shortening or synchronous extension movement, so that the posture of the water spraying actuator is not changed while the height of the water spraying actuator is changed; the nozzles of the high-pressure nozzles swing back and forth with a certain amplitude, so that the spraying range and the spraying uniformity are increased.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the robot;
FIG. 2 is a schematic structural diagram of an actuator height adjusting mechanism and a water spray actuator;
FIG. 3 is a schematic structural view of a water spray actuator;
FIG. 4 is a schematic view of FIG. 3 with the drain tube hidden;
FIG. 5 is a first schematic view of the tilt adjustment of the gear rack;
FIG. 6 is a second schematic view of the tilt adjustment of the gear holder;
FIG. 7 is a front view of the crawler travel unit;
FIG. 8 is a schematic view of a track wheel unit;
FIG. 9 is a schematic view of an internal structure of the crawler wheel unit with an outer crawler belt hidden;
FIG. 10 is a top view of the tracked tread unit;
FIG. 11 is a schematic diagram of a water supply system.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The crawler-type agricultural unmanned pesticide spraying vehicle as shown in the attached fig. 1 to 11 comprises a crawler-type walking unit 41, wherein a water tank unit 28 is arranged on the crawler-type walking unit 41, and a water injection pipe 29 is further arranged on the water tank unit 28; the water tank further comprises a water spraying actuator 26, and the water outlet end of the water tank unit 28 is connected with the water inlet end of the water spraying actuator 26 through a water supply system; an actuator height adjusting mechanism 27 is further installed on the upper side of the water tank unit 28, and the water spraying actuator 26 is installed on the actuator height adjusting mechanism 27.
A top platform 101 is fixedly arranged on the upper side of the water tank unit 28; the actuator height adjustment mechanism 27 includes a first height adjustment bracket 66 and a second height adjustment bracket 73; the lower end of the first height adjusting bracket 66 is hinged with the front end of the top platform 101 through a first hinge 63; the upper end of the first height adjusting bracket 66 is hinged with the lower end of the second height adjusting bracket 73 through a second hinge 71; the water spraying actuator 26 is mounted on the second height adjusting bracket 73;
the water supply system comprises a water tank liquid outlet pipe 43, a high-pressure water pump 46, a lifting pipe 67, a flow dividing pipe 74, a battery valve 75 and a water outlet pipe 76; the water outlet end of the water tank unit 28 is connected with the water inlet end of the high-pressure water pump 46 through a water tank liquid outlet pipe 43, the water outlet end of the high-pressure water pump 46 is communicated with the water inlet end of the lifting pipe 67, and the water outlet end of the lifting pipe 67 is connected with the water inlet ends of the two shunt pipes 74 in a shunting manner;
the two battery valves 75 are respectively and fixedly arranged on the second height adjusting bracket 73 in parallel, and the water outlet ends of the two shunt pipes 74 are respectively communicated with the water inlet ends of the two battery valves 75; the water outlet ends of the two battery valves 75 are respectively communicated with the liquid inlet ends of the two water outlet pipes 76, and the water outlet ends of the two water outlet pipes 76 are respectively communicated with the water inlet ends of the plurality of high-pressure spray heads 79 on the water spraying actuator 26; the lifting pipe 67 and the water outlet pipe 76 are both of a liquid guide hose structure;
a first hinge seat 59 is fixedly installed at the tail part of the top platform 101, and a second hinge seat 64 is also fixedly installed on the first height adjusting frame 66; the actuator height adjustment mechanism 27 further comprises a first push rod linear motor 60 and a second push rod linear motor 69; the tail end of the first push rod linear motor 60 is hinged with the first hinge seat 59 through a third hinge 58; the end of the first linear push rod 61 of the first push rod linear motor 60 is hinged to the second hinge base 64 through a fourth hinge 62; the tail end of the second linear push rod linear motor 69 is hinged to the second hinge base 64 through a fifth hinge 65; the end of the second linear push rod 70 of the second linear push rod linear motor 69 is hinged to the middle position of the second height adjusting bracket 73 through a sixth hinge part 72.
The water spraying actuator 26 comprises a gear bracket 83 which is obliquely arranged, and the short end of the gear bracket 83 is indirectly connected with the top end of the second height adjusting bracket 73 through a seventh hinge element 078; the top end position of the second height adjusting frame 73 is also fixedly provided with a screw rod motor 92, the output end of the screw rod motor 92 is in driving connection with a screw rod 94 through a first coupler 93, the second height adjusting frame further comprises a displacement block 90 perpendicular to the screw rod 94, a screw rod threaded hole is arranged on the displacement block 90 in a penetrating manner, and the screw rod 94 is in transmission connection with the screw rod threaded hole; two guide rods 89 are symmetrically and fixedly connected to two sides of the displacement block 90; two guide grooves 8 are symmetrically arranged in the beam bodies on the two sides of the second height adjusting frame 73 respectively, the tail ends of the two guide rods 89 movably extend into the two guide grooves 8 respectively, and the guide rods 89 can slide along the length direction of the guide grooves 8; the displacement block further comprises a connecting rod 91, and the lower end of the connecting rod 91 is hinged and connected with the upper end of the displacement block 90 through an eighth hinge member 080; the upper end of the connecting rod 91 is hinged to the upper end of the gear bracket 83 through a ninth hinge element 079;
a left gear 86 and a right gear 87 are respectively rotatably arranged in the gear bracket 83, and the left gear 86 and the right gear 87 are meshed with each other; the two sides of the gear bracket 83 further comprise a left driving arm 78 and a right driving arm 84 which are symmetrical to each other, and the roots of the left driving arm 78 and the right driving arm 84 are respectively and fixedly connected with a left gear 86 and a right gear 87; the two sides of the gear bracket 83 also comprise a left link arm 77 and a right link arm 85 which are symmetrical to each other, and the root parts of the left link arm 77 and the right link arm 85 are respectively hinged with the gear bracket 83; the gear bracket 83 is also fixedly provided with a gear driving motor 82, and the gear driving motor 82 is in driving connection with the left gear 86 or the right gear 87;
the two sides of the gear bracket 83 are symmetrically provided with a left water spraying seat 81.1 and a right water spraying seat 81.2, the tail ends of the left driving arm 78 and the left link arm 77 are respectively hinged with the two ends of the left water spraying seat 81.1, and the tail ends of the right driving arm 84 and the right link arm 85 are respectively hinged with the two ends of the right water spraying seat 81.2; the left water spraying seat 81.1 and the right water spraying seat 81.2 are respectively provided with a plurality of high-pressure spray heads 79, and spray nozzles 80 of the high-pressure spray heads 79 are arranged outwards.
The crawler-type traveling unit 41 includes a traveling body 3, and the water tank unit 28 is fixed above the traveling body 3; crawler wheel units 2 are respectively arranged on two sides of the walking machine body 3;
the crawler wheel unit 2 includes a rubber crawler 12; a plurality of anti-skid lugs 13 are arranged on the outer side of the rubber crawler 12, and the anti-skid lugs 13 are arrayed at equal intervals along the contour direction of the rubber crawler 12; the middle part of the inner side surface of the rubber track 12 is provided with a plurality of engaging convex joints 11 in an equidistant array along the outline direction; the inner side of the rubber track 12 is provided with a track driving wheel 1, a tensioning guide wheel 14, a thrust wheel 9, a thrust wheel support connecting rod 8, an elastic shock absorber 4, a shock absorber support 5 and a chain supporting wheel 6; the crawler driving wheel 1 and the tensioning guide wheel 14 are respectively tensioned at the front end and the rear end of the inner side of the rubber crawler 12, and the crawler driving wheel 1 and the tensioning guide wheel 14 are both meshed with a plurality of meshing convex joints 11 on the inner side surface of the rubber crawler 12; the chain supporting wheel 6 is connected with the lower side surface of an upper section belt 14.1 of the rubber crawler belt 12 in a rolling way; four thrust wheels 9 which are arranged at equal intervals along the front-back direction are connected with the upper side surface of a lower belt 14.2 of the rubber crawler 12 in a rolling manner;
each thrust wheel 9 is correspondingly provided with a thrust wheel supporting connecting rod 8, and the length direction of each thrust wheel supporting connecting rod 8 forms an included angle of 45 degrees with the ground; the upper end of the thrust wheel supporting connecting rod 8 is hinged with the side wall of the walking machine body 3 through a tenth hinge part 7, and the lower end of the thrust wheel supporting connecting rod 8 is coaxially and rotatably connected with a corresponding thrust wheel 9 through a rotating shaft; an eleventh hinge member 10 is fixedly installed in the middle of the thrust wheel support connecting rod 8; the lower end of a vertical elastic shock absorber 4 is hinged to the eleventh hinge part 10, the upper end of the elastic shock absorber 4 is hinged to the shock absorber support 5, and the shock absorber support 5 is fixedly connected to the side wall of the walking machine body 3; still be provided with track driving motor 39 and reduction gear 38 in the walking organism 3, the output of track driving motor 39 is connected the power input end of reduction gear 38, the power output end of reduction gear 38 passes through the drive of second shaft coupling 40 and connects track drive wheel 1.
The third hinge 58 is a, the fourth hinge 62 is B, and the first hinge 63 is C; the fifth hinge 65 is a, the sixth hinge part 72 is b, and the second hinge 71 is c; a triangle formed by connecting lines among the ABCs is a triangle D, and a triangle formed by connecting lines among the ABCs is a triangle D; the triangle D and the triangle D are equal.
The operation method, the process and the technical progress arrangement of the scheme are as follows:
if the height of the water spraying actuator 26 needs to be adjusted to be lower or higher, the control simultaneously controls the first linear push rod linear motor 60 and the second linear push rod linear motor 69 to enable the first linear push rod 61 and the second linear push rod 70 to synchronously shorten or synchronously elongate, thereby leading the water spraying actuator 26 to do descending or ascending movement, realizing the height adjustment of the water spraying actuator 26, since the first linear push rod 61 and the second linear push rod 70 are simultaneously shortened or simultaneously lengthened, the triangle D formed by the connecting lines between the triangles D and ABC formed by the connecting lines between the ABC still keeps the congruent state, according to the structure, as long as the first linear push rod 61 and the second linear push rod 70 are ensured to synchronously shorten or synchronously elongate, the inclination angle of the second height adjusting bracket 73 and the ground can be ensured to be always kept unchanged, thereby realizing that the height of the water spraying actuator 26 is changed and the posture of the water spraying actuator 26 is not changed;
the first degree of freedom adjusting method of the water spraying actuator 2 comprises the following steps: controlling the screw rod motor 92, further rotating the screw rod 94 to drive the displacement block 90 to displace along the screw rod 94, and meanwhile, the guide rods 89 at the two sides of the displacement block 90 slide in the two guide grooves 8 in an adaptive manner; the movement of the displacement block 90 drives the gear bracket 83 to rotate along the seventh hinge part 078 through the connecting rod 91, so that the posture of the gear bracket 83 is changed, and the spraying angle of each nozzle 80 of the high-pressure spray heads 79 is adjusted;
the second degree of freedom motion method of the water spray actuator 2 comprises the following steps: the gear driving motor 82 is controlled to drive the left gear 86 or the right gear 87 to do meshing motion back and forth periodically, so that the nozzles 80 of the high-pressure nozzles 79 do back and forth swing to a certain extent, and the spraying range and the uniformity are further increased.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (4)
1. Unmanned laxative car of crawler-type agricultural, its characterized in that: the crawler-type water tank is characterized by comprising a crawler-type walking unit (41), wherein a water tank unit (28) is arranged on the crawler-type walking unit (41), and a water injection pipe (29) is further arranged on the water tank unit (28); the water tank further comprises a water spraying actuator (26), and the water outlet end of the water tank unit (28) is connected with the water inlet end of the water spraying actuator (26) through a water supply system; an actuator height adjusting mechanism (27) is further mounted on the upper side of the water tank unit (28), and the water spraying actuator (26) is mounted on the actuator height adjusting mechanism (27).
2. The tracked agricultural unmanned pesticide spraying vehicle of claim 1, wherein: a top platform (101) is fixedly arranged on the upper side of the water tank unit (28); the actuator height adjustment mechanism (27) comprises a first height adjustment bracket (66) and a second height adjustment bracket (73); the lower end of the first height adjusting frame (66) is hinged with the front end of the top platform (101) through a first hinge piece (63); the upper end of the first height adjusting bracket (66) is hinged with the lower end of the second height adjusting bracket (73) through a second hinge part (71); the water spraying actuator (26) is arranged on the second height adjusting frame (73);
the water supply system comprises a water tank liquid outlet pipe (43), a high-pressure water pump (46), a lifting pipe (67), a shunt pipe (74), a battery valve (75) and a water outlet pipe (76); the water outlet end of the water tank unit (28) is connected with the water inlet end of the high-pressure water pump (46) through a water tank liquid outlet pipe (43), the water outlet end of the high-pressure water pump (46) is communicated with the water inlet end of the lifting pipe (67), and the water outlet end of the lifting pipe (67) is connected with the water inlet ends of the two shunt pipes (74) in a shunt manner;
the two battery valves (75) are respectively fixedly arranged on the second height adjusting frame (73) in parallel, and the water outlet ends of the two shunt pipes (74) are respectively communicated with the water inlet ends of the two battery valves (75); the water outlet ends of the two battery valves (75) are respectively communicated with the liquid inlet ends of the two water outlet pipes (76), and the water outlet ends of the two water outlet pipes (76) are respectively communicated with the water inlet ends of a plurality of high-pressure spray heads (79) on the water spraying actuator (26); the lifting pipe (67) and the water outlet pipe (76) are both of a liquid guide hose structure.
3. The tracked agricultural unmanned pesticide spraying vehicle of claim 2, wherein: the crawler-type walking unit (41) comprises a walking machine body (3), and the water tank unit (28) is fixed above the walking machine body (3); crawler wheel units (2) are respectively arranged on two sides of the walking machine body (3);
the crawler wheel unit (2) comprises a rubber crawler belt (12); a plurality of anti-skid protrusions (13) are arranged on the outer side of the rubber track (12), and the anti-skid protrusions (13) are arrayed in an equidistant mode along the contour direction of the rubber track (12); the middle part of the inner side surface of the rubber track (12) is provided with a plurality of engaging convex sections (11) in an equidistant array along the outline direction; a crawler driving wheel (1), a tensioning guide wheel (14), a thrust wheel (9), a thrust wheel support connecting rod (8), an elastic shock absorber (4), a shock absorber support (5) and a chain supporting wheel (6) are arranged on the inner side of the rubber crawler (12); the crawler driving wheel (1) and the tensioning guide wheel (14) are respectively tensioned at the front end and the rear end of the inner side of the rubber crawler (12), and the crawler driving wheel (1) and the tensioning guide wheel (14) are respectively meshed with a plurality of meshing convex sections (11) on the inner side surface of the rubber crawler (12); the supporting chain wheel (6) is in rolling connection with the lower side surface of an upper section belt (14.1) of the rubber crawler belt (12); four thrust wheels (9) which are arranged at equal intervals along the front-back direction are connected with the upper side surface of a lower section belt (14.2) of the rubber crawler belt (12) in a rolling manner;
each thrust wheel (9) is correspondingly provided with a thrust wheel supporting connecting rod (8), and the length direction of each thrust wheel supporting connecting rod (8) forms an included angle of 45 degrees with the ground; the upper end of the thrust wheel supporting connecting rod (8) is hinged with the side wall of the walking machine body (3) through a tenth hinge piece (7), and the lower end of the thrust wheel supporting connecting rod (8) is coaxially and rotatably connected with a corresponding thrust wheel (9) through a rotating shaft; an eleventh hinging piece (10) is fixedly arranged in the middle of the thrust wheel supporting connecting rod (8); the lower end of a vertical elastic shock absorber (4) is hinged to the eleventh hinged part (10), the upper end of the elastic shock absorber (4) is hinged to a shock absorber support (5), and the shock absorber support (5) is fixedly connected to the side wall of the walking machine body (3);
still be provided with track driving motor (39) and reduction gear (38) in walking organism (3), the output of track driving motor (39) is connected the power input end of reduction gear (38), the power take off of reduction gear (38) passes through second shaft coupling (40) drive and connects track drive wheel (1).
4. The tracked agricultural unmanned pesticide spraying vehicle of claim 3, wherein: a first hinged seat (59) is fixedly installed at the tail part of the top platform (101), and a second hinged seat (64) is also fixedly installed on the first height adjusting frame (66); the actuator height adjusting mechanism (27) further comprises a first push rod linear motor (60) and a second push rod linear motor (69); the tail end of the first push rod linear motor (60) is hinged with the first hinge seat (59) through a third hinge piece (58); the tail end of a first linear push rod (61) of the first push rod linear motor (60) is hinged and connected with the second hinge seat (64) through a fourth hinge (62); the tail end of the second linear push rod linear motor (69) is hinged with the second hinge seat (64) through a fifth hinge (65); the tail end of a second linear push rod (70) of the second linear push rod linear motor (69) is hinged to the middle position of the second height adjusting frame (73) through a sixth hinge component (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920390258.5U CN210076400U (en) | 2019-03-26 | 2019-03-26 | Crawler-type agricultural unmanned pesticide spraying vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920390258.5U CN210076400U (en) | 2019-03-26 | 2019-03-26 | Crawler-type agricultural unmanned pesticide spraying vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210076400U true CN210076400U (en) | 2020-02-18 |
Family
ID=69472582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920390258.5U Expired - Fee Related CN210076400U (en) | 2019-03-26 | 2019-03-26 | Crawler-type agricultural unmanned pesticide spraying vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210076400U (en) |
-
2019
- 2019-03-26 CN CN201920390258.5U patent/CN210076400U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200218 Termination date: 20210326 |
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| CF01 | Termination of patent right due to non-payment of annual fee |