CN209882556U

CN209882556U - Photovoltaic fertilizer injection unit for irrigation

Info

Publication number: CN209882556U
Application number: CN201920336113.7U
Authority: CN
Inventors: 夏志勇
Original assignee: Tibet Dongxu Electric Power Engineering Co Ltd
Current assignee: Tibet Dongxu Electric Power Engineering Co Ltd
Priority date: 2019-03-16
Filing date: 2019-03-16
Publication date: 2020-01-03
Anticipated expiration: 2029-03-16

Abstract

The utility model relates to the solar photovoltaic technical field, in particular to a photovoltaic fertilization device for irrigation, which comprises an irrigation device, a material mixing device and a power supply component, wherein the irrigation device is arranged at one side of the material mixing device, the power supply component is arranged above the material mixing device and supplies power for the irrigation device and the material mixing device, the power supply component comprises a photovoltaic plate and a supporting component, supplementary charging panel and drive assembly, the photovoltaic board sets up the top at supporting component, supplementary charging panel place plane is parallel with photovoltaic board place plane, supplementary charging panel sets up on two sides that the photovoltaic board is relative, supplementary charging panel to the direction that is close to the photovoltaic board extend and with photovoltaic board sliding connection, drive assembly sets up on the photovoltaic board and drives supplementary charging panel to the direction removal that is close to or keeps away from the photovoltaic board, the possibility that the power supply is not enough has been reached, charging efficiency's effect is improved.

Description

Photovoltaic fertilizer injection unit for irrigation

Technical Field

The utility model belongs to the technical field of the solar photovoltaic technique and specifically relates to a photovoltaic fertilizer injection unit is used in irrigation.

Background

At present, irrigation and fertilization are carried out on crops, and meanwhile, fertilizers are accurately supplemented and uniformly applied near root systems according to the nutrient requirements of the crops in various stages of growth, climatic conditions and the like, and are directly absorbed and utilized by the root systems. .

The current chinese patent that publication number is CN207340515U discloses a mobile device of multi-functional photovoltaic sprinkling irrigation, fertilization or pesticide application, the movable truckle is installed to the bottom of base, the top of water tank is provided with the solar photovoltaic board, agitator motor is installed at the top of water tank, the water pump is installed to one side bottom of water tank, the water pump passes through water hose and water tank and spray pipe intercommunication, be provided with evenly distributed's shower nozzle on the spray pipe, the battery box is installed to one side that the base top is close to the water tank, install the radio on the lateral wall of battery box.

The above prior art solutions have the following drawbacks: present multi-functional photovoltaic sprinkling irrigation, the mobile device that fertilizies or give medicine to poor free of charge, if under the less strong condition of sunlight, the photovoltaic board is lower at the effect of sunlight charging efficiency, leads to charged amount less, when needs agitator motor and water pump operating time longer, the not enough condition of photovoltaic board power supply volume just so can appear, like this will greatly reduced work efficiency through photovoltaic board charging then to water pump and agitator motor in the use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an irrigate and use photovoltaic fertilizer injection unit has reached the effect that reduces the not enough possibility of power supply, improves charge efficiency.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides an irrigate and use photovoltaic fertilizer injection unit, including irrigation equipment, compounding device and power supply assembly, irrigation equipment sets up the one side at the compounding device, power supply assembly sets up in compounding device top and for irrigation equipment and compounding device power supply, power supply assembly includes the photovoltaic board, a supporting component, supplementary charging panel and drive assembly, the photovoltaic board sets up the top at a supporting component, supplementary charging panel place plane is parallel with photovoltaic board place plane, supplementary charging panel sets up on two sides that the photovoltaic board is relative, supplementary charging panel extends and with photovoltaic board sliding connection to the direction that is close to the photovoltaic board, drive assembly sets up on the photovoltaic board and drives supplementary charging panel and remove to the direction that is close to or keeps away from the photovoltaic board.

Through adopting the above scheme, when the staff used photovoltaic fertilizer injection unit, the staff can mix fertilizer and water in compounding device inside, then irrigation equipment can carry the position of planting the crop with the solution after the compounding, the power supply subassembly can supply power for compounding device and irrigation equipment, at the power supply subassembly during operation, the photovoltaic board can charge under the effect of sunlight, but when the sunlight is less strong, the staff can drive supplementary charging panel to the direction removal of keeping away from the photovoltaic board through drive assembly, can make supplementary charging panel and photovoltaic board supply power of charging together like this, just so can improve the charging amount of power supply subassembly, reached the possibility that reduces the power supply inadequately, improve charge efficiency's effect.

The utility model discloses further set up to, the upper surface of supplementary charging panel and the lower surface looks butt of photovoltaic board are provided with T type slider on supplementary charging panel, set up the spout with T type slider looks adaptation on the photovoltaic board to the extending direction of spout is the same with the extending direction of supplementary charging panel.

By adopting the scheme, the upper surface of the auxiliary charging plate is abutted against the lower surface of the photovoltaic panel, so that the auxiliary charging plate can be well protected in a non-use state; through setting up T type slider and spout, it is more stable when can making drive assembly drive supplementary charging panel and remove like this.

The utility model discloses further set up to, drive assembly includes two-way lead screw and rotates the piece, and the axis direction of two-way lead screw is the same with the moving direction of supplementary charging panel, and two-way lead screw setting is inside the spout of photovoltaic board one side to the one end of two-way lead screw extends to the photovoltaic board outside and is connected with rotating the piece, two-way lead screw and T type slider threaded connection, and two-way lead screw rotates with the photovoltaic board and is connected.

Through adopting above-mentioned scheme, when the staff passes through drive assembly and drives supplementary charging panel and remove, the staff drives two-way lead screw through rotating the piece and rotates, because two-way lead screw rotates with the photovoltaic board to two-way lead screw and T type slider threaded connection, so when two-way lead screw rotates, can drive T type slider and remove to the direction that is close to each other or keeps away from inside the spout, just so can make supplementary charging panel remove to the direction that is close to each other or keeps away from each other, just so accomplished the removal to supplementary charging panel.

The utility model discloses further set up to, the supporting component includes bracing piece, fixed pipe and adjustable ring, and fixed pipe and the equal vertical setting of bracing piece, the coaxial setting of bracing piece are in the top of fixed pipe to the lower extreme of bracing piece extends to inside the fixed pipe, and the adjustable ring setting is connected in the upper end of fixed pipe and with fixed pipe rotation, and the adjustable ring cover is established on the global of bracing piece and with bracing piece threaded connection.

By adopting the scheme, when a worker supplies power by using the power supply assembly, the worker rotates the adjusting ring, and the adjusting ring is rotatably connected with the fixed pipe and is in threaded connection with the supporting rod, so that the supporting rod can be driven to move upwards when the adjusting ring rotates, the heights of the photovoltaic panel and the auxiliary charging panel can be increased, and sundries can be prevented from falling above the photovoltaic panel and the auxiliary charging panel in the using process; after the staff uses the power supply assembly, the staff can adjust the height of photovoltaic board and supplementary charging panel downwards again, can make things convenient for the staff to carry out the dismouting to the power supply assembly like this.

The utility model discloses further set up to, the compounding device includes the mixing box, and the slope of photovoltaic board sets up the upper end at the bracing piece, and the lower terminal of fixed pipe rotates with the mixing box to be connected, is provided with on fixed pipe global to be used for carrying out the setting element of fixing a position to the dead lever.

Through adopting above-mentioned scheme, when the staff used photovoltaic board and supplementary charging panel to charge, the staff can rotate fixed pipe according to irradiant direction to use the setting element to fix a position fixed pipe after fixed pipe is rotatory, can make illumination and photovoltaic board and supplementary charging panel's upper surface keep directly projecting like this, improve the efficiency of charging.

The utility model discloses further set up to, be provided with the feeding funnel on the side of mixing box, the feeding funnel is linked together with the mixing box, is provided with the compounding subassembly in mixing box inside, is provided with the rotation motor above the mixing box.

Through adopting above-mentioned scheme, when the staff used the compounding system to mix fertilizer and water, the staff added fertilizer under the hopper inside the mixing box, then rotated the motor and driven the compounding subassembly and fully fused fertilizer and water, and the inside waste material concentration of spun solution is inhomogeneous when preventing to irrigate, influences the growth of crop.

The utility model discloses further set up to, the compounding subassembly includes driving shaft and stirring vane, and the vertical setting of driving shaft is inside the mixing box, and the driving shaft upwards extends to the mixing box outside and be connected with the rotating electrical machines, and stirring vane sets up on the global of driving shaft.

Through adopting above-mentioned scheme, when the compounding subassembly mixes the solution of mixing box inside, rotate the motor and drive the driving shaft and rotate, the driving shaft just can drive the epaxial stirring vane of driving and stir the solution of mixing box inside, has just so reached and has made more even that fertilizer and water mix, has improved the effect of stirring efficiency moreover.

The utility model discloses further set up to, the setting element includes holding ring, connecting rod and positioning bolt, and the holding ring cover is established on fixed global of managing and is connected with fixed pipe rotation, and the connecting rod setting is between compounding case and holding ring, and positioning bolt sets up on the holding ring, and positioning bolt extends and the butt is on fixed managing to the direction that is close to fixed managing.

By adopting the scheme, when a worker needs to rotate the fixed pipe, the worker firstly loosens the positioning bolt, and the fixed pipe is rotatably connected with the positioning ring which is also fixed above the mixing box through the connecting rod, so that the photovoltaic panel and the auxiliary charging panel driven by the fixed pipe can be rotated; after the angle adjustment to photovoltaic board and supplementary charging panel is suitable, the staff screws up positioning bolt again, the holding ring alright fix the position of fixed pipe like this.

To sum up, the utility model discloses following technological effect has:

1. by arranging the auxiliary charging plate, the auxiliary charging plate can enlarge the charging working area of the power supply assembly, and the effects of reducing the possibility of insufficient power supply and improving the charging efficiency are achieved;

2. by arranging the supporting assembly, the supporting assembly can adjust the heights of the photovoltaic panel and the auxiliary charging panel, so that the photovoltaic panel and the auxiliary charging panel can be conveniently dismounted and mounted;

3. through having set up setting element and fixed pipe, the staff can rotate the position of photovoltaic board and supplementary charging panel through rotatory fixed pipe, and the setting element can be fixed the position of fixed pipe, has reached the effect that improves photovoltaic board and supplementary charging panel charge efficiency.

Drawings

FIG. 1 is an overall structure of the present invention;

FIG. 2 is a block diagram of a stirring assembly;

FIG. 3 is a partial view from another angle of the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 1.

In the figure, 1, irrigation devices; 11. a main flow pipe; 12. a water pump; 13. an extension pipe; 2. a mixing device; 21. a mixing box; 22. rotating the motor; 23. feeding a hopper; 24. a stirring assembly; 241. a drive shaft; 242. a stirring blade; 3. a power supply assembly; 31. a support assembly; 311. a support bar; 312. a fixed tube; 313. an adjusting ring; 32. a photovoltaic panel; 33. an auxiliary charging plate; 331. a T-shaped slider; 332. a chute; 34. a bidirectional lead screw; 345. rotating the rod; 35. a positioning member; 351. positioning the bolt; 352. a connecting rod; 353. a retaining ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the utility model provides a photovoltaic fertilizer injection unit for irrigation, including irrigation equipment 1, compounding device 2 and power supply unit 3, compounding device 2 sets up subaerial and can mix water and fertilizer, and irrigation equipment 1 sets up in one side of compounding device 2 and can carry the position of planting the crop with the mixed solution of the inside water of compounding device 2 and fertilizer, and power supply unit 3 sets up in the top of compounding device 2 and can supply power for irrigation equipment 1 and compounding device 2.

Referring to fig. 1 and 2, the mixing device 2 includes a mixing box 21, a rotating motor 22, a feeding hopper 23 and a stirring assembly 24, the stirring assembly 24 is disposed inside the mixing box 21, the rotating motor 22 is disposed above the mixing box 21 and can drive the stirring assembly 24 to work, and the feeding hopper 23 is disposed at one side of the mixing box 21 and is communicated with the inside of the mixing box 21. When mixing materials, workers add fertilizer into the mixing box 21 through the feeding hopper 23, so that splashing of the fertilizer or water can be prevented; then the staff opens rotating electrical machines 22, and rotating electrical machines 22 drives stirring subassembly 24 work, and stirring subassembly 24 can make fertilizer and water intensive mixing, can prevent the inhomogeneous condition of waste material of aquatic mixture like this.

Referring to fig. 1 and 2, the stirring assembly 24 includes a driving shaft 241 and stirring blades 242, the driving shaft 241 is vertically disposed inside the mixing box 21, the driving shaft 241 extends upward to the outside of the mixing box 21 and is connected to the rotating motor 22, the stirring blades 242 are disposed on the circumferential surface of the driving shaft 241 to extend in a direction away from the driving shaft 241, and the stirring blades 242 are inclined from top to bottom in a direction away from the driving shaft 241. When the rotating motor 22 works, the driving shaft 241 is driven to rotate, and the driving shaft 241 drives the stirring blade 242 to mix water and waste materials, so that the effect of mixing the water and the waste materials in the mixing tank more uniformly is achieved.

Referring to fig. 1, irrigation equipment 1 includes mainstream pipe 11, water pump 12 and extension 13, mainstream pipe 11 is close to the one end and the inside of mixing box 21 and is linked together, water pump 12 sets up on mainstream pipe 11, the one end that mixing box 21 was kept away from to mainstream pipe 11 is sealed, extension 13 along mainstream pipe 11 extending direction evenly distributed and with the inside intercommunication of mainstream pipe 11, extension 13 extends to the direction of keeping away from mainstream pipe 11, extension 13 keeps away from the end of mainstream pipe 11 sealed, a plurality of drip holes have been seted up in extension 13's below. The water pump 12 can pump the mixed solution of water and fertilizer inside the mixing box 21 to the inside of the extension pipe 13, and then the mixed solution drops to the root of the crop through the dropping holes on the extension pipe 13, so that the irrigation and fertilization of the crop are completed.

Referring to fig. 1, the power supply assembly 3 includes a support assembly 31, a photovoltaic panel 32, an auxiliary charging panel 33, and a driving assembly, the support assembly 31 is disposed above the mixing box 21, the photovoltaic panel 32 is disposed above the support assembly 31 in an inclined manner, the auxiliary charging panel 33 is disposed on two opposite sides of the photovoltaic panel 32, the auxiliary charging panel 33 extends into the photovoltaic panel 32 in a direction close to the photovoltaic panel 32 and is slidably connected to the photovoltaic panel 32, and the driving assembly is disposed on the photovoltaic panel 32 and can drive the auxiliary charging panel 33 to move in a direction close to or away from the photovoltaic panel 32 in a horizontal direction.

When the staff uses photovoltaic board 32 to charge and supply power, if meet sunlight light weakly, the staff can drive supplementary charging panel 33 through drive assembly and remove to the direction of keeping away from photovoltaic board 32, supplementary charging panel 33 and photovoltaic board 32 can charge simultaneously like this, just so can enlarge power supply unit 3's the working area that charges, just so reached reduce the not enough possibility of power supply, improve charge efficiency's effect.

Referring to fig. 1 and 3, in order to allow the auxiliary charging plate 33 to be completely stored in a non-use state, and to prevent the auxiliary charging plate 33 from being damaged, the auxiliary charging plate 33 is disposed below the photovoltaic panel 32 and an upper surface of the auxiliary charging plate 33 is in contact with a lower surface of the photovoltaic panel 32; in order to make the driving assembly drive the auxiliary charging plate 33 to move more stably, the T-shaped sliding block 331 is disposed on the auxiliary charging plate 33, the photovoltaic panel 32 is provided with a sliding slot 332 adapted to the T-shaped sliding block 331, and the extending direction of the sliding slot 332 is the same as the extending direction of the auxiliary charging plate 33.

Referring to fig. 3, the driving assembly includes a bidirectional screw 34 and a rotating member, the axial direction of the bidirectional screw 34 is the same as the moving direction of the auxiliary charging plate 33, the bidirectional screw 34 is disposed inside the sliding groove 332 on one side of the photovoltaic panel 32, one end of the bidirectional screw 34 extends to the outside of the photovoltaic panel 32 and is connected to the rotating member, the bidirectional screw 34 is screwed to the T-shaped slider 331, and the bidirectional screw 34 is rotatably connected to the photovoltaic panel 32. When the staff need use supplementary charging panel 33 like this, the staff drives two-way lead screw 34 through rotating the piece and rotates alright with the direction removal that drives supplementary charging panel 33 and be close to or keep away from photovoltaic board 32.

Referring to fig. 3, the rotating member includes a rotating rod 345, an axial direction of the rotating rod 345 is perpendicular to an axial direction of the bidirectional screw 34, and the rotating rod 345 may facilitate a worker to rotate the bidirectional screw 34.

Referring to fig. 3, the support assembly 31 includes a support rod 311, a fixed tube 312 and an adjusting ring 313, the fixed tube 312 and the support rod 311 are both vertically disposed, the support rod 311 is coaxially disposed above the fixed tube 312, a lower end of the support rod 311 extends into the fixed tube 312, the adjusting ring 313 is disposed at an upper end of the fixed tube 312 and rotatably connected with the fixed tube 312, and the adjusting ring 313 is sleeved on a circumferential surface of the support rod 311 and is in threaded connection with the support rod 311. When the worker supplies power by using the power supply assembly 3, the worker rotates the adjusting ring 313, because the adjusting ring 313 is rotatably connected with the fixed pipe 312, and the adjusting ring 313 is in threaded connection with the supporting rod 311, when the adjusting ring 313 rotates, the supporting rod 311 is driven to move upwards, so that the heights of the photovoltaic panel 32 and the auxiliary charging plate 33 can be lifted, and thus, sundries can be prevented from falling above the photovoltaic panel 32 and the auxiliary charging plate 33 in the using process; after the staff uses power supply unit 3 to end, the staff can be with photovoltaic board 32 and supplementary charging panel 33's height downwardly adjusting again, can make things convenient for the staff to carry out the dismouting to power supply unit 3 like this.

Referring to fig. 4, in order to further improve the charging efficiency of the photovoltaic panel 32 and the auxiliary charging panel 33, the lower end of the fixed pipe 312 is rotatably connected to the mixing box 21, and a positioning member 35 for positioning the fixed rod is provided on the circumferential surface of the fixed pipe 312.

Referring to fig. 4, the positioning member 35 includes a positioning bolt 351, a connecting rod 352 and a positioning ring 353, the positioning ring 353 is sleeved on the peripheral surface of the fixed pipe 312 and rotatably connected with the fixed pipe 312, the connecting rod 352 is disposed between the mixing box 21 and the positioning ring 353, the positioning bolt 351 is disposed on the positioning ring 353, and the positioning bolt 351 extends in a direction close to the fixed pipe 312 and abuts against the fixed pipe 312. Like this when the staff need drive photovoltaic board 32 and supplementary charging panel 33 through fixed pipe 312 and rotate, the staff loosens positioning bolt 351 earlier, because holding ring 353 rotates with fixed pipe 312 to holding ring 353 passes through connecting rod 352 to be fixed in the top of compounding case 21, so the staff can rotate fixed pipe 312, like this alright accomplish the regulation to photovoltaic board 32 and supplementary charging panel 33.

To sum up, the utility model discloses a use does: when the worker needs to use the photovoltaic fertilizing device, the worker adds the waste materials into the mixing box 21 at the position of the feeding hopper 23; then, the worker starts the rotating motor 22 and the water pump 12, the rotating motor 22 drives the driving shaft 241 and the stirring blades 242 to stir the liquid in the mixing box 21, and the water pump 12 pumps the fertilizer solution in the mixing box 21 to the position where crops are planted; meanwhile, the photovoltaic panel 32 inside the power supply assembly 3 supplies power for the water pump 12 and the rotating motor 22, when sunlight is weak, a worker drives the bidirectional screw rod 34 to rotate through the rotating rod 345, the bidirectional screw rod 34 can drive the T-shaped sliding block 331 to move towards the direction away from each other, so that the auxiliary charging panel 33 can be completely unfolded, the working area of the power supply assembly 3 during charging can be enlarged, and the worker can rotate the fixed tube 312 according to the irradiation direction of the light at different times, so that the charging efficiency of the power supply assembly 3 can be further improved.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides an irrigate and use photovoltaic fertilizer injection unit, includes irrigation equipment (1), compounding device (2) and power supply subassembly (3), irrigation equipment (1) sets up in one side of compounding device (2), and power supply subassembly (3) set up in compounding device (2) top and for irrigation equipment (1) and compounding device (2) power supply, its characterized in that: the power supply assembly (3) comprises a photovoltaic panel (32), a supporting assembly (31), an auxiliary charging panel (33) and a driving assembly, the photovoltaic panel (32) is arranged above the supporting assembly (31), the plane where the auxiliary charging panel (33) is located is parallel to the plane where the photovoltaic panel (32) is located, the auxiliary charging panel (33) is arranged on two opposite side faces of the photovoltaic panel (32), the auxiliary charging panel (33) extends towards the direction close to the photovoltaic panel (32) and is in sliding connection with the photovoltaic panel (32), and the driving assembly is arranged on the photovoltaic panel (32) and drives the auxiliary charging panel (33) to move towards the direction close to or away from the photovoltaic panel (32).

2. The photovoltaic fertilization device for irrigation as recited in claim 1, wherein: the upper surface of the auxiliary charging plate (33) is abutted against the lower surface of the photovoltaic panel (32), a T-shaped sliding block (331) is arranged on the auxiliary charging plate (33), a sliding groove (332) matched with the T-shaped sliding block (331) is formed in the photovoltaic panel (32), and the extending direction of the sliding groove (332) is the same as that of the auxiliary charging plate (33).

3. The photovoltaic fertilization device for irrigation as recited in claim 2, wherein: the driving assembly comprises a bidirectional lead screw (34) and a rotating piece, the axial direction of the bidirectional lead screw (34) is the same as the moving direction of the auxiliary charging plate (33), the bidirectional lead screw (34) is arranged inside a sliding groove (332) on one side of the photovoltaic plate (32), one end of the bidirectional lead screw (34) extends to the outer side of the photovoltaic plate (32) and is connected with the rotating piece, the bidirectional lead screw (34) is in threaded connection with a T-shaped sliding block (331), and the bidirectional lead screw (34) is in rotating connection with the photovoltaic plate (32).

4. The photovoltaic fertilization device for irrigation as recited in claim 1, wherein: the supporting component (31) comprises a supporting rod (311), a fixed pipe (312) and an adjusting ring (313), wherein the fixed pipe (312) and the supporting rod (311) are vertically arranged, the supporting rod (311) is coaxially arranged above the fixed pipe (312), the lower end of the supporting rod (311) extends into the fixed pipe (312), the adjusting ring (313) is arranged at the upper end of the fixed pipe (312) and is rotatably connected with the fixed pipe (312), and the adjusting ring (313) is sleeved on the circumferential surface of the supporting rod (311) and is in threaded connection with the supporting rod (311).

5. The photovoltaic fertilization device for irrigation as recited in claim 4, wherein: the mixing device (2) comprises a mixing box (21), the photovoltaic panel (32) is obliquely arranged at the upper end head of the supporting rod (311), the lower end head of the fixed tube (312) is rotatably connected with the mixing box (21), and positioning pieces (35) used for positioning the fixed rod are arranged on the circumferential surface of the fixed tube (312).

6. The photovoltaic fertilization device for irrigation as recited in claim 5, wherein: a feeding hopper (23) is arranged on the side surface of the mixing box (21), the feeding hopper (23) is communicated with the mixing box (21), a mixing component is arranged in the mixing box (21), and a rotating motor (22) is arranged above the mixing box (21).

7. The photovoltaic fertilization device for irrigation as recited in claim 6, wherein: the mixing assembly comprises a driving shaft (241) and stirring blades (242), the driving shaft (241) is vertically arranged inside the mixing box (21), the driving shaft (241) upwards extends to the outer side of the mixing box (21) and is connected with a rotating motor (22), and the stirring blades (242) are arranged on the peripheral surface of the driving shaft (241).

8. The photovoltaic fertilization device for irrigation as recited in claim 7, wherein: the positioning piece (35) comprises a positioning ring (353), a connecting rod (352) and a positioning bolt (351), the positioning ring (353) is sleeved on the peripheral surface of the fixed pipe (312) and is rotationally connected with the fixed pipe (312), the connecting rod (352) is arranged between the mixing box (21) and the positioning ring (353), the positioning bolt (351) is arranged on the positioning ring (353), and the positioning bolt (351) extends towards the direction close to the fixed pipe (312) and abuts against the fixed pipe (312).