CN213087667U

CN213087667U - Guardrail for municipal afforestation with function is collected to rainwater

Info

Publication number: CN213087667U
Application number: CN202021802509.5U
Authority: CN
Inventors: 琚兴菊; 张�杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-04-30
Anticipated expiration: 2030-08-26

Abstract

The utility model provides a guardrail for municipal afforestation with rainwater collection function, can filter bigger granule of rainwater earlier through the cooperation between filter screen, spiral leaf and lower filter screen, the storage water tank, prevent that the dust in the rainwater from falling into in the storage water tank, simultaneously also better stores the rainwater, has reduced the waste of water resource, including the guardrail frame, the upper end demountable installation of guardrail frame has the filter screen of upper left and right directions, the inside of guardrail frame is rotated and is installed the spiral leaf, the left end of spiral leaf is connected with the lower transfer line that rotates and install in the guardrail frame through first sprocket group, demountable installation has the lower filter screen that lies in lower transfer line top in the guardrail frame, rotate on the lower filter screen and install the cleaning brush that meshes with lower transfer line, when the rainwater is too much in the storage water tank, at this moment collect the rainwater into corresponding pond through the cooperation between cursory ball and the sliding plate, further reducing the waste of rainwater.

Description

Guardrail for municipal afforestation with function is collected to rainwater

Technical Field

The utility model relates to a municipal afforestation technical field especially relates to a guardrail for municipal afforestation with function is collected to rainwater.

Background

In the garden construction, in consideration of plant protection and garden decoration, a large number of guard rails are often required to be arranged, sometimes guard rails in gardens and forests need to be arranged with guard rails of different sizes according to the plant planting range and garden planning, the guard rails in consideration of the above problem sometimes adopt a rail enclosure range, and then adjacent guard rails are connected with each other to form a complete guard rail to protect gardens, so that residents are closer to nature, and meanwhile, the green belt guard rail can play an obvious boundary role.

Under the condition of rainy day, current road greening guardrail can not effectual collection rainwater, and this waste that just causes a part of rain resource when needs fertilize for flowers and plants, needs the manual work to hold fertilizing tool and carries out artifical fertilization, and this intensity of labour and municipal cost of labor that has just increased the staff.

The utility model provides a guardrail for municipal afforestation with function is collected to rainwater solves this problem.

SUMMERY OF THE UTILITY MODEL

To the above circumstances, for overcoming prior art's defect, the utility model provides a guardrail for municipal afforestation with function is collected to rainwater, the effectual problem of having solved can not effectual collection rainwater and automatic fertilization at the guardrail.

The utility model provides a guardrail for municipal afforestation with function is collected to rainwater, includes guardrail frame, characterized in that: the utility model discloses a guardrail device, including guardrail frame, lower rotating rod, agitating unit, fertilizer injection unit, a plurality of delivery ports are seted up to one side of storage water tank, guardrail frame's upper end demountable installation has the filter screen of direction about going up, guardrail frame's inside rotation installs the spiral leaf, the left end of spiral leaf has the lower rotating rod of rotation installation in guardrail frame through first chain wheel group connection, demountable installation has the lower filter screen that is located lower rotating rod top in the guardrail frame, rotate on the lower filter screen install with lower rotating rod complex clearance brush, guardrail frame's lower extreme intercommunication has the storage water tank that is located lower filter screen below, agitating unit is installed to the storage water tank internal rotation, agitating unit is last.

Preferably, agitating unit includes the motor, the left side upper end at the storage water tank is installed to the motor, coaxial fixed mounting has the left puddler of rotating installation in the storage water tank in the axis of rotation of motor, right puddler is installed to the right side internal rotation of storage water tank, through second sprocket group connection between left side puddler and the right puddler, even fixed mounting has a plurality of stirring leaves on the second sprocket group, the upper end fixed mounting of storage water tank has the fertilizer injection unit who is connected with the motor.

Preferably, the fertilizing device comprises a fertilizing pipe, the upper end of the fertilizing pipe is fixedly arranged on the guardrail frame, the lower end of the fertilizing tube is coaxially and rotatably provided with a first gear, the first gear is provided with a discharge hole, the water storage tank is communicated with a feeding pipe which is tightly attached to the lower surface of the first gear, the feeding pipe is provided with a feeding hole corresponding to the discharging hole, a motor gear is fixedly arranged on a rotating shaft of the motor, a rear one-way gear is rotatably arranged on the water storage tank, a rack which is arranged at the upper end of the water storage tank in a sliding way is engaged and connected between the motor gear and the rear one-way gear, a second gear meshed with the first gear is rotatably arranged on the water storage tank, a third chain wheel set is connected between the second gear and the rear one-way gear, the vertical sliding rod is arranged below the rack in a sliding mode in the vertical direction of the water storage tank, and the lower end of the sliding rod is connected with one of the water outlets through a connecting rod device.

Preferably, a sliding plate which is flush with the bottom end of the water storage tank is vertically and slidably mounted in the guardrail frame, a lower tension spring which is positioned on the guardrail frame is fixedly mounted at the lower end of the sliding plate, and a floating ball which is positioned above the water storage tank is fixedly mounted at the upper end of the sliding plate.

The utility model discloses beneficial effect:

1. through the cooperation between filter screen, spiral leaf and the lower filter screen can filter bigger granule earlier, prevent that the granule in the rainwater from falling into the storage water tank, the setting up of storage water tank can be collected the rainwater better and reduced the waste of water resource.

2. The automation of fertilization and stirring can be better realized through the cooperation between the fertilization device and the stirring device, the labor intensity of workers is reduced, and the labor cost is saved.

3. When the rainwater in the water storage tank is too much, the rainwater can be collected into the corresponding water storage tank through the cooperation between the floating ball and the sliding plate, and the rainwater waste is further reduced.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is the installation diagram of the lower filter screen of the utility model.

Fig. 3 is a sectional view of the water storage tank of the present invention.

Fig. 4 is an enlarged view of the position B of the present invention.

Fig. 5 is an enlarged view of the position a of the present invention.

Fig. 6 is a first gear installation diagram of the present invention.

Fig. 7 is a mounting view of the link device of the present invention.

Fig. 8 is a mounting view of the rear one-way gear of the present invention.

Detailed Description

The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments with reference to the accompanying drawings in fig. 1 to 8, wherein the structural matters in the embodiments are described below with reference to the accompanying drawings.

Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

Embodiment one, a guardrail for municipal afforestation with rainwater collection function, including guardrail frame 1, install humidity transducer and solar cell panel and controlling means on guardrail frame 1, humidity transducer and solar cell panel and controlling means install respectively in waterproof transparent protective housing, humidity transducer connects solar cell panel and controlling means, guardrail 1 comprises a plurality of montants, be hollow structure in one of them montant, the remaining montant is solid structure, the upper end fixed mounting of guardrail 1 has the cross slot, hollow montant intercommunication is on the cross slot, the cross slot can be used for holding rainwater when using, rainwater can flow into hollow montant along with the cross slot bottom to flow into corresponding water receiving storehouse, the upper end demountable installation of guardrail frame 1 has upper filter screen 2 of left and right directions, filter screen 2 demountable installation is in the cross slot, filter screen 2 can filter bigger granule earlier when using, like leaf class impurity etc, spiral leaf 3 is installed in the inside rotation of guardrail frame 1, and fixed mounting has the L shape pipe that is located the cross slot below in the hollow montant when using, spiral leaf 3 is installed to L shape pipe internal rotation, the export has been seted up to the bottom of L shape pipe, and when the rainwater flowed in to L shape pipe through hollow montant, at this moment the flow of rainwater can drive spiral leaf 3 and rotate, the left end of spiral leaf 3 has the lower transfer lever 4 of rotation installation in guardrail frame 1 through first sprocket group connection, lower transfer lever 4 rotates and installs in hollow montant, first sprocket group comprises two first sprocket groups and first chain, one of them sprocket coaxial fixed mounting is in spiral leaf 3's the axis of rotation, another sprocket coaxial fixed mounting is on lower transfer lever 4, a first chain is connected between the two first chain wheels, and when the spiral blade type motor is used, the rotation of the spiral blade 3 drives the lower rotating rod 4 to rotate through the first chain wheel set;

the guardrail frame 1 is internally and detachably provided with a lower filter screen 5 positioned above a lower rotating rod 4, the lower filter screen 5 is detachably arranged between the lower rotating rod 4 and an L-shaped circular tube, the diameter of the meshes of the lower filter screen 5 is smaller than that of the meshes of an upper filter screen 2, the lower filter screen 5 can filter rainwater coming off from the L-shaped circular tube when in use, so that the filtered rainwater is cleaner, the lower filter screen 5 is rotatably provided with a cleaning brush 6 matched with the lower rotating rod 4, the cleaning brush 6 can clean impurities on the lower filter screen 5 and clean the impurities into an impurity bin, so as to prevent the meshes of the filter screen 5 from being blocked, the cleaning brush 6 is rotatably arranged on the filter screen 5 through a fixed rod, the bottom end of the fixed rod is provided with an upper conical gear, and the right end of the lower rotating rod 4 is fixedly provided with a lower conical gear meshed with the upper conical gear, when the guardrail is used, the lower rotating rod 4 is meshed with the lower bevel gear through the upper bevel gear to drive the fixing rod to rotate, the fixing rod drives the cleaning brush 6 to rotate, the lower end of the guardrail frame 1 is communicated with a water storage tank 7 positioned below the lower filter screen 5, the hollow vertical rod is communicated with the upper end of the water storage tank 7, rainwater filtered by the lower filter screen 5 flows into the water storage tank 7 when the guardrail is used, rainwater is collected, and waste of water resources is saved;

a stirring device 8 is rotatably installed in the water storage tank 7, the stirring device is connected with a control device, the control device is connected with a solar cell panel, the stirring device can drive rainwater in the water storage tank 7 to circularly flow when in use, the stirring device is connected with a fertilizing device positioned at the upper end of the water storage tank 7, the stirring device can drive the fertilizing device to rotate when in use, at the moment, fertilizer can fall into the water storage tank 7 to be stirred and dissolved, one side of the water storage tank 7 is provided with a plurality of water outlets, the front sides of the water outlets are fixedly provided with water outlet pipes positioned on the water storage tank 7, the inner wall of the front side of the water storage tank 7 is rotatably provided with rotating columns respectively positioned above the water outlets, the rotating columns are respectively and fixedly provided with switch doors positioned on the water outlets, and torsional springs are fixedly installed, the coefficient of the torsion spring is selected to be in a proper model according to the use, the front side surface of the water storage tank 7 is respectively and fixedly provided with a sprinkler pipe positioned on the water outlet, one of the switch doors is manually pushed when in use, at the moment, one of the switch doors carries a plurality of switch doors to be opened simultaneously, rainwater in the storage tank 7 is respectively sprinkled to the roots of plants through the sprinkler pipes, the labor intensity of workers is reduced through the operation, and meanwhile, the waste of water sources is saved;

when the weather is dry, humidity transducer gives controlling means to signal transmission, and controlling means passes through motor 801 and drives agitating unit and rotate, and agitating unit takes fertilizer injection unit to rotate simultaneously, and at this moment the fertilizer in the fertilizer injection unit falls into the storage water tank 7 in stirs the back, and at this moment fertilizer moisture does not fall from a plurality of delivery ports and helps the growth of flowers and plants on the flowers and plants root, has alleviateed staff's the intensity of labour who waters flowers and plants simultaneously.

In the second embodiment, on the basis of the first embodiment, the stirring device includes a motor 801, the motor 801 may be a forward and reverse rotation motor, the motor 801 is connected to a control device, the control device is connected to a solar panel, when in use, a proper motor model is selected as required, the motor 801 is fixedly installed at the upper end of the left side of the water storage tank 7, a left stirring rod 12 rotatably installed in the water storage tank 7 is coaxially and fixedly installed on a rotation shaft of the motor 801, a right stirring rod 13 is rotatably installed at the right side of the water storage tank 7, the left stirring rod 12 and the right stirring rod 13 are connected through a second sprocket set 14, when in use, the motor 801 drives the left stirring rod 12 and the right stirring rod 13 to synchronously rotate in the water storage tank 7 through the second sprocket set 14, the second sprocket set 14 is composed of two second sprockets and a second chain, one of the second sprockets is coaxially and fixedly installed on the right rotation stirring rod 13, the other second chain wheel is coaxially and fixedly arranged on the left stirring rod 12, a second chain is connected between the two second chain wheels, a plurality of stirring blades 15 are uniformly and fixedly arranged on the second chain wheel group 14, a plurality of stirring blades 15 are uniformly and fixedly arranged on the second chain, when in use, the motor 801 drives the stirring blades 15 to rotate in the water storage tank 7 through the second chain, at the moment, the rainwater in the water storage tank 7 flows along with the plurality of stirring blades 15 simultaneously, the upper end of the water storage tank 7 is fixedly provided with a fertilizing device connected with the motor 801, the fertilizer device can be opened by the linkage of the subsequent parts of the motor 801, at the moment, the fertilizer in the fertilizer device falls into the water storage tank 7, the second chain synchronously drives the stirring blades to rotate, so that the fertilizer is further dissolved with rainwater, the fertilizer and the rainwater can be better dissolved through the operation, and the labor intensity of workers is reduced;

when using, controlling means control motor 11 rotates, and motor 11 takes a plurality of stirring leaf 15 to rotate through the second chain in step, and fertilizer in the fertilizer injection unit falls into storage water tank 7 simultaneously, and at this moment the water in storage water tank 7 rotates with a plurality of stirring leaf 15, and fertilizer and water are dissolved together, have alleviateed staff's work load through above-mentioned operation.

In the third embodiment, on the basis of the second embodiment, the fertilizer applying apparatus includes a fertilizer applying pipe 9, fertilizer can be stored in the fertilizer applying pipe 9, the upper end of the fertilizer applying pipe 9 is fixedly installed on the guardrail frame 1, the lower end of the fertilizer applying pipe 9 is coaxially and rotatably installed with a first gear 901, a discharge hole is formed in the first gear 901, the first gear 901 can rotate on the fertilizer applying pipe 9 when in use, a feeding pipe 902 attached to the lower end of the first gear 901 is fixedly installed on the water storage tank 7, a feeding hole corresponding to the discharge hole is formed in the upper end of the feeding pipe 902, when in use, the initial state of the discharge hole and the feeding hole is staggered, when the first gear 901 rotates on the fertilizer applying pipe 9, the discharge hole and the feeding hole coincide, at this time, fertilizer in the fertilizer applying pipe 9 falls into the feeding hole from the discharge hole and finally into the water storage tank 7, a motor gear 16 is fixedly installed on a rotating shaft of the motor 801, a rear one-way gear 17 is rotatably mounted at the upper end of the water storage tank 7, a rack 18 which is slidably mounted at the upper end of the water storage tank 7 is engaged and connected between the motor gear 16 and the rear one-way gear 17, a vertical fixing plate is fixedly mounted at the upper end of the water storage tank 7, a sliding hole is formed in the fixing plate, a fixing rod in the left-right direction is slidably mounted in the sliding hole, racks 18 are fixedly mounted on the front end surface and the rear end surface of the fixing rod, the number of teeth on the front side surface and the rear side surface of each rack 18 is equal, and the racks 18 are synchronously; the other end of the rack 18 is connected with an upper tension spring positioned on the water storage tank 7, one end of the upper tension spring is fixedly arranged on one end of the sliding rod, the other end of the tension spring is fixedly arranged on the fixing plate, and the upper tension spring is selected as required when the water storage tank is used;

a second gear 19 meshed with the first gear 901 is rotatably mounted on the water storage tank 7, a third chain wheel set is connected between the second gear 19 and the rear one-way gear 17, the second gear 19 is rotatably mounted on the water storage tank 7 through a second rotating shaft column, the rear one-way gear 17 is rotatably mounted on the water storage tank 7 through a rear one-way rotating shaft column, the third chain wheel set comprises two third chain wheels and a third chain, the two third chain wheels are coaxially and fixedly mounted on the second rotating shaft column and the rear one-way rotating shaft column respectively, the third chain is connected between the two third chain wheels, the rack 8 can be meshed with the rear one-way gear 17 to rotate when in use, the rear one-way gear 17 drives the second gear 19 to rotate through the third chain wheel set, a vertical sliding rod 21 positioned below the rack 18 is slidably mounted in the up-down direction of the water storage tank 7, the upper end of the vertical sliding rod 21 is an arc surface, the lower end of the left side of the sliding plate is fixedly provided with an arc-shaped protruding block positioned on the left side of the front and rear teeth of the rack 18, and the vertical sliding rod 21 can slide up and down in the water storage tank 7;

when the water storage tank is used, the motor 801 is meshed with the rack 18 through the motor gear 16 to slide rightwards on the fixing plate, at the moment, the rack 18 synchronously drives the rear one-way wheel 17 to rotate, when the arc-shaped surface of the upper end of the vertical sliding rod 21 is contacted with the arc-shaped protruding block, the arc-shaped protruding block presses the upper end of the vertical sliding rod 21 to slide downwards, the rear one-way wheel 17 and the motor gear 16 are simultaneously disengaged from the rack 18, at the moment, the motor 801 always rotates, because the rack 18 is under the pulling force of the upper tension spring, at the moment, the rear one-way wheel 17 and the front motor gear 16 always stir the teeth on two sides of the rack 18, meanwhile, the arc-shaped protruding block on the rack 18 always presses the upper end of the vertical sliding rod 21, the lower end of the sliding rod 21 is connected with one of the water outlets through the connecting rod device 25, the connecting rod device 25 is composed of a V-shaped connecting, the right end of the V-shaped connecting rod and the rear side face of one of the switch doors are connected with a rotating connecting rod, when the water storage tank is used, when the vertical sliding rod 21 slides downwards, the lower end of the vertical sliding rod 21 presses the rear end of the V-shaped connecting rod to slide downwards, meanwhile, the front end of the V-shaped connecting rod slides upwards, at the moment, the front end of the V-shaped connecting rod drives one of the switches to be opened through the transmission connecting rod, at the moment, one of the switch doors synchronously drives a plurality of switch doors to be opened simultaneously through the rotating column, and at the moment, fertilizer water in the water storage tank 7 flows to the roots of flowers and grasses through;

when the fertilizer applying pipe is used, when the motor 801 respectively drives the stirring device and the motor gear 16 to rotate, the stirring device always rotates, the motor gear 16 drives the rack 18 to slide rightwards, the rack 18 drives the tension spring to extend rightwards, the rack 18 synchronously drives the rear one-way gear 17 to rotate, the rear one-way gear 17 drives the second gear 19 to rotate through the third chain wheel set, the second gear 19 is meshed with the first gear 901 to rotate, the discharge hole and the feed hole are overlapped, the fertilizer in the fertilizer applying pipe 9 falls into the water storage tank 7 through the discharge hole and the feed hole, the motor gear 16 continuously drives the rack 18 to slide rightwards, the rack 18 drives the third chain wheel set to rotate through the rear one-way gear 17, the second gear 19 rotates to continuously drive the first gear 901 to rotate, the discharge hole and the feed hole are staggered, and the fertilizer applying in the fertilizer applying pipe 9 stops discharging, when the rear one-way gear 17 and the motor gear 16 are separated from the rack 18, the arc-shaped convex block at the bottom end of the rack 18 presses the upper end of the vertical sliding rod 21 to slide downwards, the discharge hole and the feeding hole are staggered, the lower end of the vertical sliding rod 21 presses the rear end of the V-shaped connecting rod to slide downwards, at the moment, the front end of the V-shaped connecting rod opens one of the switch doors by rotating the connecting rod, at the moment, fertilizer water flows into the roots of flowers and plants through a plurality of water outlets, and the flowers and the plants can be fertilized more conveniently by the operation;

when a plurality of opening and closing doors are opened for a certain time, the control device controls the motor 801 to rotate reversely, the motor gear 16 is meshed with the outer teeth of the rear one-way gear 17 through the rack 18 to rotate reversely, the upper tension spring is contracted, the inner shaft of the rear one-way gear 17 does not rotate, the arc-shaped protruding block is separated from the upper end of the vertical sliding rod 21, and one of the opening and closing doors is driven to be in a V-shaped connection through the transmission connecting rod to restore the initial state of the vertical sliding rod 21 due to the effect of the torsion springs on the plurality of opening and closing doors.

In the fourth embodiment, on the basis of the second embodiment, a sliding plate 22 is installed in the guardrail frame 1 in a vertically sliding manner, a sliding plate 22 is arranged in one of the vertical rods in a vertically sliding manner, when the water storage tank is used, the bottom of the lower sliding plate 22 is always flush with the bottom of the water storage tank 7 under the action of no external force on the lower sliding plate 22, the lower end surface of the sliding plate 22 is fixedly provided with a lower tension spring 23 positioned on the guardrail frame 1, a fixed column is fixedly arranged in one hollow rod, the lower end of the lower spring 23 is fixedly arranged on the fixing column, the upper end of the lower spring 23 is fixedly arranged on the lower bottom surface of the lower sliding plate 22, the bottom of the hollow rod is communicated with a reservoir positioned at the lower side of the water storage tank 7, the lower tension spring 23 selects a proper model according to the requirement, the upper end of the sliding plate 22 is fixedly provided with a floating ball 24 positioned above the water storage tank 7, and the height of the floating ball 24 is equal to that of the top surface of the water storage tank 7;

when the rainwater flow-out device is used, when the water level in one hollow rod vertical rod is higher than the top surface of the water storage tank 7, rainwater can take the floating ball 24 to rise, at the moment, the floating ball 24 takes the sliding plate 22 to slide upwards, the sliding plate 22 takes the lower pull spring to extend, when the rising bottom surface of the sliding plate 22 is higher than the bottom surface of the water storage tank 7, the rainwater can flow into the water storage tank from a gap between the bottom surface of the sliding plate 22 and the bottom surface of the water storage tank 7, a water source is further provided for later-stage manual watering of flowers and plants, when the rainwater flows out, the floating ball 24 can fall along with the rainwater, at the moment, the bottom surface of the sliding plate 22 is flush with the bottom surface of the water storage tank 7 until a water outlet is.

The utility model discloses beneficial effect:

Claims

1. The utility model provides a guardrail for municipal afforestation with function is collected to rainwater, includes guardrail frame (1), its characterized in that: the upper end of the guardrail frame (1) is detachably provided with a filter screen (2) in the left-right direction, the interior of the guardrail frame (1) is rotatably provided with a spiral blade (3), the left end of the spiral blade (3) is connected with a lower rotating rod (4) which is rotatably arranged in the guardrail frame (1) through a first chain wheel set, a lower filter screen (5) positioned above the lower rotating rod (4) is detachably arranged in the guardrail frame (1), a cleaning brush (6) matched with the lower rotating rod (4) is rotatably arranged on the lower filter screen (5), the lower end of the guardrail frame (1) is communicated with a water storage tank (7) positioned below the lower filter screen (5), the stirring device is rotatably installed in the water storage tank (7), the stirring device is connected with a fertilizing device positioned at the upper end of the water storage tank (7), and one side of the water storage tank (7) is provided with a plurality of water outlets.

2. The guardrail for municipal greening with a rainwater collection function according to claim 1, wherein: agitating unit includes motor (801), the left side upper end at storage water tank (7) is installed in motor (801), coaxial fixed mounting has left puddler (12) of rotation installation in storage water tank (7) in the axis of rotation of motor (801), right puddler (13) are installed to the right side internal rotation of storage water tank (7), connect through second sprocket group (14) between left side puddler (12) and right puddler (13), even fixed mounting has a plurality of stirring leaves (15) on second sprocket group (14), the upper end fixed mounting of storage water tank (7) has the fertilizer injection unit who is connected with motor (801).

3. The guardrail for municipal greening with a rainwater collection function according to claim 2, wherein: the fertilizer applying device comprises a fertilizer applying pipe (9), the upper end of the fertilizer applying pipe (9) is fixedly arranged on a guardrail frame (1), the lower end of the fertilizer applying pipe (9) is coaxially and rotatably provided with a first gear (901), a discharge hole is formed in the first gear (901), a feed pipe (902) tightly attached to the lower surface of the first gear (901) is communicated with the water storage tank (7), a feed hole corresponding to the discharge hole is formed in the feed pipe (902), a motor gear (16) is fixedly arranged on a rotating shaft of a motor (801), a rear one-way gear (17) is rotatably arranged on the water storage tank (7), a rack (18) slidably arranged at the upper end of the water storage tank (7) is connected between the motor gear (16) and the rear one-way gear (17) in a meshing manner, a second gear (19) meshed with the first gear (901) is rotatably arranged on the water storage tank (7), a third chain wheel set is connected between the second gear (19) and the rear one-way gear (17), a vertical sliding rod (21) located below the rack (18) is installed on the water storage tank (7) in a sliding mode in the vertical direction, and the lower end of the sliding rod (21) is connected with one of the water outlets through a connecting rod device (25).

4. The guardrail for municipal greening with a rainwater collection function according to claim 2, wherein: the guardrail comprises a guardrail frame (1), and is characterized in that a sliding plate (22) which is flush with the bottom end of a water storage tank (7) is vertically and slidably mounted in the guardrail frame (1), a lower tension spring (23) which is positioned on the guardrail frame (1) is fixedly mounted at the lower end of the sliding plate (22), and a floating ball (24) which is positioned above the water storage tank (7) is fixedly mounted at the upper end of the sliding plate (22).