CN111699890A

CN111699890A - Greenhouse vegetable irrigation spraying device

Info

Publication number: CN111699890A
Application number: CN202010685535.2A
Authority: CN
Inventors: 张玉玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2020-09-25

Abstract

The invention belongs to the technical field of irrigation equipment, and particularly relates to a greenhouse vegetable irrigation spraying device which comprises four telescopic rods, wherein the top ends of the four telescopic rods are respectively hinged with a first fixed block, a second fixed block, a third fixed block and a fourth fixed block, one side of the first fixing block, which is close to the second fixing block, is fixedly provided with the same limiting rod, the third fixed block and the fourth fixed block are provided with the same longitudinal transmission mechanism, the longitudinal transmission mechanism comprises a first reciprocating screw rod, two ends of the first reciprocating screw rod are respectively and rotatably connected with the third fixed block and the fourth fixed block, a first reciprocating multi-filament rod sleeve is sleeved on the first reciprocating screw rod in a threaded manner, slidable mounting has the mounting panel on the gag lever post, be equipped with same horizontal drive mechanism on first past multifilament rod cover and the mounting panel, horizontal drive mechanism is including the installation piece. The invention has the advantages of simple structure, convenient use, low cost and high irrigation efficiency.

Description

Greenhouse vegetable irrigation spraying device

Technical Field

The invention relates to the technical field of irrigation equipment, in particular to a greenhouse vegetable irrigation spraying device.

Background

The vegetable greenhouse is a frame film-covered structure with excellent heat preservation performance, is common in various places in China, and relieves the situation of few vegetables in winter, so that people can eat vegetables in the field in summer in cold winter. The rapid development of greenhouse vegetable production not only fundamentally solves the contradiction between supply and demand of fresh vegetables in winter in northern areas of China, but also reduces the pressure and energy consumption of railway transportation caused by 'north transport of south vegetables'; meanwhile, an effective way is provided for rural industrial structure adjustment and farmer getting rich and running well.

Present irrigation equipment for vegetable greenhouse discovers in the use, and the device can only be installed in big-arch shelter internal fixation's position mostly, can only water the crops of mounted position promptly, and the big-arch shelter often is very long, and this has just led to the fact certain watering limitation, and if all install a device at every other section distance in the big-arch shelter, will appear the problem that the cost increases in a large number, also do not contribute to the daily management of big-arch shelter.

Therefore, we propose a greenhouse vegetable irrigation sprinkler to solve the above problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a greenhouse vegetable irrigation spraying device.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a greenhouse vegetable irrigates sprinkler, includes four telescopic links, four the top of telescopic link articulates respectively has first fixed block, second fixed block, third fixed block and fourth fixed block, one side fixed mounting that first fixed block and second fixed block are close to each other has same gag lever post, be equipped with same vertical drive mechanism on third fixed block and the fourth fixed block, vertical drive mechanism includes first reciprocal lead screw, the both ends of first reciprocal lead screw are connected with third fixed block and fourth fixed block rotation respectively, threaded bush is equipped with first past multifilament rod cover on the first reciprocal lead screw, slidable mounting has the mounting panel on the gag lever post, first be equipped with same horizontal drive mechanism on past multifilament rod cover and the mounting panel, horizontal drive mechanism includes the installation piece, first past the top fixed mounting of multifilament rod cover has first motor, the reciprocating type multi-filament motor is characterized in that a second reciprocating lead screw is fixedly mounted on an output shaft of the first motor, one end, far away from the first motor, of the second reciprocating lead screw is rotatably connected with the mounting block, a second toward multi-filament rod sleeve is sleeved on the second reciprocating lead screw in a threaded manner, and a water spray head is fixedly mounted at the bottom of the second toward the multi-filament rod sleeve.

Preferably, the one end that the third fixed block was kept away from to first reciprocal lead screw runs through fourth fixed block and fixed mounting has first belt pulley, the top fixed mounting of fourth fixed block has the second motor, fixed mounting has the second belt pulley on the output shaft of second motor, the cover is equipped with same belt on second belt pulley and the first belt pulley.

Preferably, the sprinkler bead includes the inlet tube, the inlet tube is kept away from the second and is equipped with first atomising head and four second atomising heads toward the one end of multifilament pole cover, the same six-way joint of one end fixedly connected with that inlet tube, first atomising head and four second atomising heads are close to each other, be equipped with three atomizing mouth that is linear arrangement on the second atomising head, two baffles of overhead fixed mounting of second atomising are located the both sides of three atomizing mouth respectively.

Preferably, the telescopic link includes the pipe, the internal thread sleeve is installed to the pipe internal rotation, internal thread sleeve female connection has the screw rod, the screw rod runs through the internal thread sleeve, and the top of screw rod extends to outside the pipe, fixed cover is equipped with the terminal surface fluted disc on the internal thread sleeve, the rotation hole has been seted up on one side inner wall of pipe, rotate downthehole rotation and install the rotation post, the rotation post is close to internal thread sleeve's one end fixed mounting and has the gear, gear and terminal surface fluted disc mesh mutually.

Preferably, the bottom end of the telescopic rod is fixedly provided with a disc, and the bottom of the disc is fixedly provided with an anti-skid conical nail.

Preferably, through holes are formed in the third fixing block and the fourth fixing block, and the first reciprocating screw rod is rotatably connected with the inner walls of the two through holes.

Preferably, a mounting hole is formed in one side of the water inlet pipe, a guide pipe is fixedly mounted in the mounting hole, and a flange plate is fixedly mounted at one end, far away from the water inlet pipe, of the guide pipe.

Preferably, the mounting plate and the mounting block are respectively provided with a slide hole and a limiting hole, the limiting rod penetrates through the slide hole and is in sliding connection with the inner wall of the slide hole, and the second reciprocating screw rod is in rotating connection with the inner wall of the limiting hole.

Preferably, be equipped with first bearing in the pipe, the outer lane of first bearing and the inner wall fixed connection of pipe, the inner circle fixed sleeve of first bearing is established on the internal thread sleeve, fixed mounting has the sealing washer in the pipe, the inner wall rotation sealing connection of internal thread sleeve and sealing washer.

Preferably, be equipped with the second bearing on the inner wall in rotation hole, the outer lane of second bearing and the inner wall fixed connection in rotation hole, the fixed cover of inner circle of second bearing is established on rotating the post, the one end that the gear was kept away from to the rotation post extends to and fixed mounting has the hand wheel outside rotating the hole.

Compared with the prior art, the invention has the beneficial effects that: an external power supply and a switch are connected in the greenhouse, wherein a first motor, a second motor, the external power supply and the switch are sequentially connected through leads to form a loop, four telescopic rods of the device are distributed in four corners of the greenhouse, when the device is used for irrigating vegetables in the greenhouse, the first motor and the second motor are started through the switch, when the first motor rotates, a second reciprocating screw rod rotates along with the rotation of the first motor, when the second reciprocating screw rod rotates, the second reciprocating screw rod is sleeved on the second reciprocating screw rod to perform reciprocating transverse motion, when the second motor rotates, a second belt pulley rotates along with the second motor, the second belt pulley drives a first belt pulley to rotate through a belt, the first belt pulley drives the first reciprocating screw rod to rotate, the first reciprocating screw rod drives the first reciprocating screw rod to be sleeved on the first reciprocating screw rod to perform reciprocating longitudinal motion, the installation block on the first reciprocating screw rod sleeve drives the second reciprocating screw rod to perform reciprocating longitudinal motion, so that the second reciprocating screw rod sleeve of the second reciprocating screw rod drives the water spray head to spray water to vegetables in the whole greenhouse, when the water spray head works, the guide pipes on the water supply pipe and the water inlet pipe are fixedly connected together through the flange, water in the water supply pipe firstly enters the water inlet pipe through the guide pipes, the water entering the water inlet pipe is uniformly distributed to the first atomizing head and the four second atomizing heads through the six-way joint, finally the irrigation water is sprayed out by the first atomizing head and the four second atomizing heads to irrigate the vegetables in the greenhouse, when the water supply pipe and the water spray head are connected together, the hand wheels on the four telescopic rods are sequentially rotated clockwise, the hand wheels are rotated and drive the rotating column to rotate, the rotating column drives the gear to rotate, and the gear drives the end face fluted disc to rotate, the end face fluted disc drives the internal thread sleeve again and rotates, and in the screw rod will gradually contract into the pipe along with internal thread sleeve's constantly rotates to the length of telescopic link just can shorten, when four telescopic links all shorten, alright in order to pass through flange fixed connection with delivery pipe and inlet tube together, later the hand wheel on four telescopic links of anticlockwise rotation in proper order again, make whole device all rise after the top of big-arch shelter alright in order to irrigate work.

The invention has the advantages of simple structure, convenient use, low cost and high irrigation efficiency.

Drawings

FIG. 1 is a schematic perspective view of a greenhouse vegetable irrigation sprinkler according to the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is an enlarged schematic view of portion B of FIG. 1;

FIG. 4 is an enlarged schematic view of section C of FIG. 1;

FIG. 5 is an enlarged schematic view of portion D of FIG. 1;

fig. 6 is a schematic front sectional view of a telescopic rod of the irrigation sprinkler for greenhouse vegetables according to the present invention.

In the figure: 1. a telescopic rod; 101. a circular tube; 102. an internally threaded sleeve; 103. a screw; 104. an end face fluted disc; 105. rotating the hole; 106. rotating the column; 107. a gear; 2. a first fixed block; 3. a second fixed block; 4. a third fixed block; 5. a fourth fixed block; 6. a limiting rod; 7. a longitudinal transmission mechanism; 701. a first reciprocating screw rod; 702. a first pulley; 703. a second motor; 704. a second pulley; 8. a transverse transmission mechanism; 801. mounting blocks; 802. a first motor; 803. a second reciprocating screw rod; 9. a sprinkler head; 901. a water inlet pipe; 902. a six-way joint; 903. a first atomizing head; 904. a second atomizing head; 905. an atomizing port; 906. a baffle plate; 10. mounting a plate; 11. a first multifilament rod sleeve; 12. second to multifilament rod sleeves.

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.

Examples

Referring to fig. 1-6, the embodiment provides a greenhouse vegetable irrigation spraying device, which includes four telescopic rods 1, top ends of the four telescopic rods 1 are respectively hinged with a first fixed block 2, a second fixed block 3, a third fixed block 4 and a fourth fixed block 5, one side of the first fixed block 2, which is close to the second fixed block 3, is fixedly provided with a same limiting rod 6, the third fixed block 4 and the fourth fixed block 5 are provided with a same longitudinal transmission mechanism 7, the longitudinal transmission mechanism 7 includes a first reciprocating lead screw 701, two ends of the first reciprocating lead screw 701 are respectively rotatably connected with the third fixed block 4 and the fourth fixed block 5, a first multifilament rod sleeve 11 is threaded on the first reciprocating lead screw 701, a mounting plate 10 is slidably mounted on the limiting rod 6, the first multifilament rod sleeve 11 and the mounting plate 10 are provided with a same transverse transmission mechanism 8, the transverse transmission mechanism 8 includes a mounting block 801, a first motor 802 is fixedly installed on the top of the first toward multifilament rod sleeve 11, a second reciprocating screw rod 803 is fixedly installed on an output shaft of the first motor 802, one end, far away from the first motor 802, of the second reciprocating screw rod 803 is rotatably connected with the installation block 801, a second toward multifilament rod sleeve 12 is sleeved on the second reciprocating screw rod 803 in a threaded manner, and a water spray head 9 is fixedly installed on the second toward the bottom of the multifilament rod sleeve 12.

One end of the first reciprocating screw rod 701, which is far away from the third fixed block 4, penetrates through the fourth fixed block 5 and is fixedly provided with a first belt pulley 702, the top of the fourth fixed block 5 is fixedly provided with a second motor 703, an output shaft of the second motor 703 is fixedly provided with a second belt pulley 704, the second belt pulley 704 and the first belt pulley 702 are sleeved with the same belt, the water spray head 9 comprises a water inlet pipe 901, one end of the water inlet pipe 901, which is far away from the second end towards the multifilament rod sleeve 12, is provided with a first atomizing head 903 and four second atomizing heads 904, one end of the water inlet pipe 901, which is close to each other, the first atomizing head 903 and the four second atomizing heads 904 is fixedly connected with the same six-way connector 902, the second atomizing head 904 is provided with three atomizing ports 905 which are linearly arranged, the second atomizing head 904 is fixedly provided with two baffle plates 906, the two baffle plates 906 are respectively positioned at two, an internal thread sleeve 102 is rotatably mounted in the circular tube 101, a screw 103 is connected with the internal thread of the internal thread sleeve 102 in a threaded manner, the screw 103 penetrates through the internal thread sleeve 102, the top end of the screw 103 extends out of the circular tube 101, an end face fluted disc 104 is fixedly sleeved on the internal thread sleeve 102, a rotating hole 105 is formed in one side inner wall of the circular tube 101, a rotating column 106 is rotatably mounted in the rotating hole 105, a gear 107 is fixedly mounted at one end, close to the internal thread sleeve 102, of the rotating column 106, the gear 107 is meshed with the end face fluted disc 104, a disc with anti-skid taper nails fixedly mounted at the bottom is fixedly mounted at the bottom end of the telescopic rod 1, through holes are formed in the third fixing block 4 and the fourth fixing block 5, the first reciprocating screw rod 701 is rotatably connected with the inner walls of the two through holes, a mounting plate 10 and a mounting block 801 are respectively provided with a slide hole and a limiting hole, a limiting rod 6 penetrates through the slide hole and is connected with the inner wall of the slide hole in a sliding manner, a second reciprocating screw 803 is connected with the inner wall of the limiting hole in a rotating manner, a first bearing is arranged in a round tube 101, the outer ring of the first bearing is fixedly connected with the inner wall of the round tube 101, the inner ring of the first bearing is fixedly sleeved on an internal thread sleeve 102, a sealing ring is fixedly arranged in the round tube 101, the inner wall of the internal thread sleeve 102 is connected with the inner wall of the sealing ring in a rotating and sealing manner, a second bearing is arranged on the inner wall of a rotating hole 105, the outer ring of the second bearing is fixedly connected with the inner wall of the rotating hole 105, the inner ring of the second bearing is fixedly sleeved on a rotating column 106, one end, far away from a gear 107, of the rotating column 106 extends to the outside of the rotating hole 105 and is, the four telescopic rods 1 of the device are distributed in four corners of the greenhouse, when the device is used for irrigating vegetables in the greenhouse, a first motor 802 and a second motor 703 are turned on through a switch, when the first motor 802 rotates, a second reciprocating screw 803 rotates along with the rotation of the first motor 802, when the second reciprocating screw 803 rotates, a second reciprocating rod sleeve 12 moves transversely in a reciprocating manner on the second reciprocating screw 803, when the second motor 703 rotates, a second belt pulley 704 rotates along with the second motor 703, the second belt pulley 704 drives a first belt pulley 702 to rotate through a belt, the first belt pulley 702 drives a first reciprocating screw 701 to rotate, the first reciprocating screw 701 drives a first reciprocating rod sleeve 11 to move longitudinally in a reciprocating manner on the first reciprocating screw 701, and therefore a mounting block 801 on the first reciprocating rod sleeve 11 drives the second reciprocating screw 803 to move longitudinally, therefore, the second toward multifilament rod sleeve 12 of the second reciprocating screw 803 will drive the sprinkler head 9 to sprinkle and irrigate the vegetables in the whole greenhouse, when the sprinkler head 9 works, the water supply pipe and the upper conduit of the water inlet pipe 901 are fixedly connected together through the flange, the water in the water supply pipe firstly enters the water inlet pipe 901 through the conduit, the water entering the water inlet pipe 901 is uniformly distributed to the first atomizing head 903 and the four second atomizing heads 904 through the six-way joint 902, finally the irrigation water is sprayed out by the first atomizing head 903 and the four second atomizing heads 904 to irrigate the vegetables in the greenhouse, when the water supply pipe and the sprinkler head 9 are connected together, the hand wheels on the four telescopic rods 1 are firstly and sequentially rotated clockwise, the hand wheels rotate and drive the rotating columns 106 to rotate, the rotating columns 106 then drive the gears 107 to rotate, the gears 107 then drive the end face fluted disc 104 to rotate, the end face fluted disc 104 then drives the internal thread sleeves 102 to rotate, the screw rod 103 can be gradually contracted into the circular tube 101 along with the continuous rotation of the internal thread sleeve 102, so that the length of the telescopic rods 1 can be shortened, when the four telescopic rods 1 are all shortened, the water supply pipe and the water inlet pipe 901 can be fixedly connected together through the flange, then hand wheels on the four telescopic rods 1 are sequentially rotated anticlockwise, and the whole device can be irrigated after the whole device is lifted to the top of the greenhouse

In this embodiment, an external power source and a switch are connected in a greenhouse, wherein a first motor 802, a second motor 703, the external power source and the switch are sequentially connected through a wire to form a loop, four telescopic rods 1 of the device are distributed in four corners of the greenhouse, when the device is used for irrigating vegetables in the greenhouse, the first motor 802 and the second motor 703 are turned on through the switch, when the first motor 802 rotates, a second reciprocating screw 803 rotates along with the first motor 802, when the second reciprocating screw 803 rotates, a second reciprocating multifilament rod sleeve 12 reciprocates on the second reciprocating screw 803, when the second motor 703 rotates, a second belt pulley 704 rotates along with the second motor 703, the second belt pulley drives a first belt pulley 702 to rotate through a belt, the first belt pulley 702 drives the first reciprocating screw 701 to rotate, first reciprocal lead screw 701 drives again first reciprocating longitudinal motion on first reciprocal lead screw 701 toward multifilament pole cover 11, thereby first toward the reciprocal lead screw 803 of installation piece 801 on multifilament pole cover 11 will drive the reciprocating longitudinal motion of second, thereby the reciprocal lead screw 803 of second toward multifilament pole cover 12 will drive sprinkler bead 9 and can both carry out the watering irrigation to the vegetables in the whole big-arch shelter, when sprinkler bead 9 works, earlier with delivery pipe and inlet tube 901 upper conduit through flange fixed connection together, water in the delivery pipe enters into the inlet tube 901 through the conduit earlier, the water rethread six joint 902 that enters into in the inlet tube 901 evenly distributes for first atomising head 903 and four second atomising heads 904, irrigation water is again by first atomising head 903 and four second atomising heads 904 blowout and irrigate the vegetables in the big-arch shelter at last.

In this embodiment, when the water supply pipe is connected to the sprinkler head 9, the handwheel on the four telescopic rods 1 is sequentially rotated clockwise, the handwheel rotates and drives the rotating column 106 to rotate, the rotating column 106 drives the gear 107 to rotate, the gear 107 drives the end face fluted disc 104 to rotate, the end face fluted disc 104 drives the internal thread sleeve 102 to rotate, the screw 103 will gradually shrink into the circular pipe 101 as the internal thread sleeve 102 rotates continuously, therefore, the length of the telescopic rods 1 can be shortened, when the four telescopic rods 1 are shortened, the water supply pipe and the water inlet pipe 901 can be fixedly connected together through the flanges, and then the hand wheels on the four telescopic rods 1 are rotated anticlockwise in sequence, so that the whole device can be irrigated after the whole device is lifted to the top of the greenhouse.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a greenhouse vegetable irrigation sprinkler, includes four telescopic links (1), its characterized in that, four the top of telescopic link (1) articulates respectively has first fixed block (2), second fixed block (3), third fixed block (4) and fourth fixed block (5), one side fixed mounting that first fixed block (2) and second fixed block (3) are close to each other has same gag lever post (6), be equipped with same vertical drive mechanism (7) on third fixed block (4) and fourth fixed block (5), vertical drive mechanism (7) include first reciprocal lead screw (701), the both ends of first reciprocal lead screw (701) rotate with third fixed block (4) and fourth fixed block (5) respectively and are connected, threaded sleeve is equipped with first toward multifilament pole cover (11) on first reciprocal lead screw (701), slidable mounting has mounting panel (10) on gag lever post (6), first be equipped with same horizontal drive mechanism (8) toward being equipped with on multifilament pole cover (11) and mounting panel (10), horizontal drive mechanism (8) are including installation piece (801), first top fixed mounting toward multifilament pole cover (11) has first motor (802), fixed mounting has the reciprocal lead screw of second (803) on the output shaft of first motor (802), the reciprocal lead screw of second (803) is kept away from the one end of first motor (802) and is installed piece (801) and rotate the connection, the threaded sleeve is equipped with the reciprocal lead screw of second (803) and is overlapped toward multifilament pole cover (12) on the reciprocal lead screw of second (803), the bottom fixed mounting of second toward multifilament pole cover (12) has sprinkler bead (9).

2. The greenhouse vegetable irrigation spraying device as claimed in claim 1, wherein one end of the first reciprocating screw rod (701) far away from the third fixed block (4) penetrates through a fourth fixed block (5) and is fixedly provided with a first belt pulley (702), a second motor (703) is fixedly arranged at the top of the fourth fixed block (5), a second belt pulley (704) is fixedly arranged on an output shaft of the second motor (703), and the same belt is sleeved on the second belt pulley (704) and the first belt pulley (702).

3. The irrigation sprinkler for greenhouse vegetables as claimed in claim 1, wherein the sprinkler head (9) comprises a water inlet pipe (901), a first atomizing head (903) and four second atomizing heads (904) are arranged at one end of the water inlet pipe (901) far away from the second end toward the multifilament rod sleeve (12), one end of the water inlet pipe (901), the first atomizing head (903) and the four second atomizing heads (904) close to each other is fixedly connected with a same six-way joint (902), three atomizing ports (905) arranged in a linear manner are arranged on the second atomizing head (904), two baffles (906) are fixedly arranged on the second atomizing head (904), and the two baffles (906) are respectively positioned at two sides of the three atomizing ports (905).

4. The greenhouse vegetable irrigation spraying device as claimed in claim 1, wherein the telescopic rod (1) comprises a circular tube (101), an internally threaded sleeve (102) is rotatably mounted in the circular tube (101), a screw (103) is connected to the internally threaded sleeve (102) in a threaded manner, the screw (103) penetrates through the internally threaded sleeve (102), the top end of the screw (103) extends out of the circular tube (101), an end-face toothed disc (104) is fixedly sleeved on the internally threaded sleeve (102), a rotating hole (105) is formed in the inner wall of one side of the circular tube (101), a rotating column (106) is rotatably mounted in the rotating hole (105), a gear (107) is fixedly mounted at one end, close to the internally threaded sleeve (102), of the rotating column (106), and the gear (107) is meshed with the end-face toothed disc (104).

5. The irrigation sprinkler for greenhouse vegetables as claimed in claim 1, wherein a disc with anti-skid conical nails fixedly mounted at the bottom is fixedly mounted at the bottom end of the telescopic rod (1).

6. The irrigation sprinkler for greenhouse vegetables as claimed in claim 1, wherein the third fixing block (4) and the fourth fixing block (5) are both provided with through holes, and the first reciprocating screw rod (701) is rotatably connected with the inner walls of the two through holes.

7. The irrigation sprinkler for greenhouse vegetables as claimed in claim 3, wherein a mounting hole is formed in one side of the water inlet pipe (901), a guide pipe is fixedly mounted in the mounting hole, and a flange is fixedly mounted at one end of the guide pipe, which is far away from the water inlet pipe (901).

8. The irrigation sprinkler for greenhouse vegetables as claimed in claim 1, wherein the mounting plate (10) and the mounting block (801) are respectively provided with a slide hole and a limiting hole, the limiting rod (6) penetrates through the slide hole and is slidably connected with the inner wall of the slide hole, and the second reciprocating screw rod (803) is rotatably connected with the inner wall of the limiting hole.

9. The irrigation sprinkler for greenhouse vegetables as claimed in claim 4, wherein a first bearing is arranged in the circular tube (101), an outer ring of the first bearing is fixedly connected with an inner wall of the circular tube (101), an inner ring of the first bearing is fixedly sleeved on the internally threaded sleeve (102), a sealing ring is fixedly arranged in the circular tube (101), and the internally threaded sleeve (102) is rotatably and hermetically connected with the inner wall of the sealing ring.

10. The irrigation sprinkler for greenhouse vegetables as claimed in claim 4, wherein a second bearing is arranged on the inner wall of the rotating hole (105), the outer ring of the second bearing is fixedly connected with the inner wall of the rotating hole (105), the inner ring of the second bearing is fixedly sleeved on the rotating column (106), and one end of the rotating column (106) far away from the gear (107) extends out of the rotating hole (105) and is fixedly provided with a hand wheel.