CN114609699A

CN114609699A - Telescopic rainfall collector

Info

Publication number: CN114609699A
Application number: CN202210155473.3A
Authority: CN
Inventors: 付沈斌; 王俊刚; 彭广平
Original assignee: Guangzhou Fuyishi Medical Technology Co ltd
Current assignee: Guangzhou Fuyishi Medical Technology Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-06-10

Abstract

The invention relates to the field of rainfall detection, in particular to a telescopic rainfall collector, which comprises a base and a rainwater collecting device arranged at the top of the base, wherein a rainwater circulation cavity communicated with the rainwater collecting device is arranged in the base, the rainwater collecting device is also arranged on the base and positioned in the rainwater circulation cavity, a rainwater outlet communicated with the rainwater circulation cavity is also arranged at the bottom of the base, the rainwater collecting device comprises a sleeve vertically arranged at the top of the base and a funnel-shaped collector arranged at the top end of the sleeve, the size of the caliber of the funnel-shaped collector can be adjusted, the top end of the base is also provided with a caliber adjusting mechanism used for adjusting the caliber of the funnel-shaped collector, and the sleeve is also communicated with the rainwater circulation cavity mutually, the caliber of the funnel-shaped collector is adjusted by the caliber adjusting mechanism, so that the accurate collection of the actual rainfall is realized, the rainfall amount collection is facilitated, and the precision degree of rainfall amount detection is improved.

Description

Telescopic rainfall collector

Technical Field

The invention relates to the field of rainfall detection, in particular to a telescopic rainfall collector.

Background

A rain gauge is a measuring instrument for measuring the rainfall of a region in a period of time, which is an instrument used by meteorologists and hydrologists for measuring the rainfall of the region in a period of time, can help people to detect the rainfall, and is widely applied to the fields of meteorology, facility agriculture, forestry, gardening, animal husbandry and the like, most of the rainfall measurement takes millimeter as a measuring unit, sometimes the measuring result takes inch or centimeter as a unit, the reading of the rainfall measuring device can be manually read or an automatic meteorological station is used, the observation frequency can be changed according to the requirement of a collecting unit, the collected rainwater is not retained after observation in most cases, but a few of the meteorological stations can be retained as samples of pollution degree or other tests, when a user measures the rainfall of the region, the rainfall measuring device is required, and the existing container for collecting the rainfall is of a fixed size, when the rainfall is small, the actual rainfall is difficult to accurately collect due to the small fixed caliber, and the error is large.

The presently disclosed chinese patent CN202021174682.5 is a hydrological rainfall measuring device, which comprises a base, the two sides of the top of the base are both bolted with a chassis, the inner cavity of the chassis is provided with a lifting mechanism, the center of the top of the base is bolted with a mounting box, the inner cavity of the mounting box is connected with a rain collecting box in a sliding way, the top parts of the two sides of the rain collecting box are communicated with water outlet pipes, one end of each water outlet pipe, which is far away from the rain collecting box, extends to the bottom of the inner cavity of the installation box, the water outlet pipe is positioned on the front surface of the first slide block, the front surfaces of the installation box and the rain-collecting box are embedded with observation windows, the right sides of the front surfaces of the installation box and the rain collecting box are all bolted with graduated scales, the top of the rain collecting box is bolted with a funnel, the bottom intercommunication of funnel has the inlet tube, the center department of funnel top both sides all bolted connection has the fixing base, one side that elevating system kept away from quick-witted case and the top fixed connection of fixing base.

According to above-mentioned patent, this patent is adjusted funnel and rain-collecting box's height according to the size of rainfall, has increased measuring device's volume to improved measurement accuracy, however, its self bore can't be adjusted to the funnel of this patent, collection that can't be accurate when collecting the rainwater, the error is great, consequently, needs a collection device that can automatically regulated funnel bore at present.

Disclosure of Invention

Based on this, it is necessary to provide a retractable's rainfall collector to prior art problem, and this application has realized the accurate collection to actual rainfall through the regulation of bore adjustment mechanism to the infundibulate collector bore, has made things convenient for the collection of rainfall, has improved the accurate degree that rainfall detected.

In order to solve the problems of the prior art, the invention adopts the technical scheme that:

the invention provides a telescopic rainfall collector which comprises a base and a rainwater collecting device arranged at the top of the base, wherein a rainwater circulation cavity communicated with the rainwater collecting device is arranged in the base, a rainfall detecting device is also arranged on the base and positioned in the rainwater circulation cavity, a rainwater outflow port communicated with the rainwater circulation cavity is also formed in the bottom of the base, the rainwater collecting device comprises a sleeve vertically arranged at the top of the base and a funnel-shaped collector arranged at the top end of the sleeve, the funnel-shaped collector can adjust the caliber of the funnel-shaped collector, a caliber adjusting mechanism used for adjusting the caliber of the funnel-shaped collector is further arranged at the top end of the base, and the sleeve is communicated with the rainwater circulation cavity.

Preferably, the infundibulate collector is connected by a plurality of ebonite and a plurality of flexible glue looks interval and is formed, the size of flexible glue is greater than the size of ebonite, the sheathed tube top is coaxial to be equipped with an end cover, the end cover is fixed on the sleeve pipe and the surface of end cover and sheathed tube surface are in same horizontal plane, along the even connector of seting up with a plurality of ebonite the same quantity of sheathed tube circumferencial direction on the end cover, and the tip of the same direction of a plurality of ebonite on the infundibulate collector still fixes respectively in a connector, the one end that every flexible glue is close to the end cover is still all elastic to support and press at the edge of end cover.

Preferably, bore adjustment mechanism establishes the lift overcoat cover on the sleeve pipe and coaxial setting at the intraductal lift axis of rotation of sheathed tube and coaxial cover establish the lift ejector pad that is used for promoting lift overcoat cover to remove in the lift axis of rotation, the diameter of lift axis of rotation is less than sheathed tube internal diameter, the lift axis of rotation can rotate around its axle center in the sleeve pipe, on the base and be located rainwater circulation intracavity still fixed be equipped with one and be used for driving lift axis of rotation pivoted motor, pass through the coupling joint between the output shaft of motor and the tip of lift axis of rotation, and the surface of lift axis of rotation still has the screw thread, threaded connection between lift ejector pad and the lift axis of rotation, the lift ejector pad still with lift overcoat between fixed connection.

Preferably, the lift ejector pad is the ring form, the external diameter of lift ejector pad equals sheathed tube internal diameter, it has a lug to all pass the outside extension of sleeve pipe all around to go up and down the ejector pad, set up the bar groove that supplies the activity of every lug along its axis direction on the sheathed tube pipe wall, it can be through the interval of accomodating the infundibulate collector completely together to leave between lift ejector pad and the lift jacket to all be connected through a connecting strip between every lug and the lift jacket.

Preferably, the end part of the lifting outer shell sleeve, which is close to the funnel-shaped collector, is provided with a flaring which can prevent the surfaces of soft glue and hard glue from being damaged by friction.

Preferably, the rainfall detection device comprises a tipping bucket arranged in the rainwater circulation cavity and water outlet channels symmetrically arranged on two sides of the tipping bucket, the middle part of the tipping bucket is connected to a shaft connection frame, the shaft connection frame is fixed on the base, the symmetrical surfaces of the two water outlet channels are the middle cross sections of the tipping bucket, the two water outlet channels are all located in the rainwater circulation cavity, the two water outlet channels are also all located below the tipping bucket, the two water outlet channels are all fixed on the base, and the end part of each water outlet channel is also provided with a contact switch which can be contacted by the tipping bucket during overturning.

Preferably, the outlet channel is provided with a slope inclined towards the rainwater outlet, and the lower end of the outlet channel is provided with a water outlet for rainwater to flow out towards the rainwater outlet.

Preferably, the lifting and pushing device further comprises a protection mechanism used for protecting the lifting and rotating shaft and the motor, the protection mechanism comprises a corrugated pipe sleeved on the lifting and rotating shaft and a protection casing sleeved on the motor, an annular threaded hole is formed in the top of the lifting and pushing block along the axis of the lifting and pushing block, one end of the corrugated pipe is connected to the threaded hole in a threaded mode, a top disc is fixedly arranged at the end of the end cover, the other end of the corrugated pipe is fixed to the top disc, and the protection casing is fixed to the base.

Preferably, the top plate and the lifting push block are provided with drain ports through which rainwater can enter the rainwater circulation cavity through the sleeve.

Preferably, the top of the top disk is provided with a conical head, the tip of the conical head faces upwards, and the conical head and the sleeve are coaxial.

Compared with the prior art, the beneficial effect of this application is:

1. this application has realized the accurate collection to actual rainfall through the regulation of bore adjustment mechanism to the infundibulate collector bore, has made things convenient for the collection of rainfall, has improved the accurate degree that rainfall detected, through the cooperation between rainfall detection device and the rainwater collection device, has realized the accurate detection to rainfall.

2. This application is connected the constitution to the infundibulate collector through a plurality of ebonite and a plurality of flexible glue looks interval, has realized that the infundibulate collector can change the size of its bore, has improved the accurate collection to actual rainfall, has also made things convenient for the collection to the rainfall.

3. This application has realized the change of infundibulate collector bore through reciprocating of lift shell cover, has made things convenient for the collection of rainfall, has improved the accurate degree of rainfall measurement.

4. This application is connected through the connecting strip between to lift ejector pad and the lift shell cover, has realized the removal of lift shell cover and has moved to target in place, has improved the scope of the regulation of infundibulate collector bore, has made things convenient for the collection to the rainfall more.

5. This application has realized the protection when adjusting the bore funnel-shaped collector through the setting of lifting shell cover tip flaring, has improved the life of funnel-shaped collector, avoids on the funnel-shaped collector flexible glue and ebonite surface impaired serious by the friction, leads to bearing the unable rainwater condition of taking place the fracture.

6. This application is through the contact of upset and contact switch about the tipping bucket, has realized guaranteeing the accuracy that detects to rainfall capacity.

7. This application has realized the protection to lift axis of rotation and motor through the setting of bellows and protection casing, has improved the life-span of lift axis of rotation and motor, avoids the motor to break down and leads to the unable rotation of lift axis of rotation to the condition of unable regulation infundibulate collector bore.

Drawings

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a front view of the present application;

FIG. 3 is a left side view of the present application;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;

FIG. 5 is a top view of the present application;

FIG. 6 is a partial perspective sectional view of FIG. 5 at B-B;

FIG. 7 is an enlarged schematic view at C of FIG. 6;

FIG. 8 is an enlarged schematic view at D of FIG. 6;

FIG. 9 is a schematic perspective view of the rainwater collection device;

FIG. 10 is an exploded view of the perspective structure of FIG. 9;

FIG. 11 is a schematic perspective view of the base and the rain detecting device;

fig. 12 is an exploded perspective view of fig. 11.

The reference numbers in the figures are:

1-a base; 1 a-a rainwater flow-through chamber; 1 b-a rain water outflow;

2-a rainwater collection device; 2 a-a sleeve; 2a 1-end cap; 2a 2-bar groove; 2 b-a funnel-shaped collector; 2b 1-ebonite; 2b 2-soft rubber; 2 c-caliber adjusting mechanism; 2c 1-lifting outer shell; 2c 2-lifting rotating shaft; 2c 3-lifting push block; 2c 4-motor; 2c 5-coupling; 2c 6-bumps; 2c 7-connecting strip;

3-rainfall detection means; 3 a-tipping bucket; 3 b-a water outlet channel; 3 c-a shaft connection frame; 3 d-contact switch;

4-a protection mechanism; 4 a-a bellows; 4 b-a protective enclosure; 4 c-top disk; 4c 1-cone head.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

As shown in fig. 1-12, the present application provides:

the utility model provides a retractable's rainfall collector, including base 1 and the rainwater collection device 2 of setting at base 1 top, be equipped with the rainwater circulation chamber 1a with rainwater collection device 2 intercommunication in the base 1, base 1 is last and be located rainwater circulation chamber 1a and still install rainfall detection device 3, and the rainwater egress opening 1b with rainwater circulation chamber 1a intercommunication is still seted up to base 1's bottom, rainwater collection device 2 includes vertical setting at the sleeve pipe 2a at base 1 top and sets up the infundibulate collector 2b on sleeve pipe 2a top, the size of its bore can be adjusted to infundibulate collector 2b, and base 1's top still is equipped with and is used for adjusting the bore adjustment mechanism 2c of infundibulate collector 2b bore size, sleeve pipe 2a still communicates each other with rainwater circulation chamber 1 a.

Based on the above embodiments, the technical problem that the present application intends to solve is how to accurately collect and detect rainwater. Therefore, the rainwater is collected by the rainwater collecting device 2, when the rain is rainy, the rainwater enters the funnel-shaped collector 2b and slides into the sleeve 2a along the funnel-shaped collector 2b, then the rainwater enters the rainwater circulation cavity 1a and falls on the rainfall detecting device 3, the rainfall is judged along with the detection of the rainfall detecting device 3 on the rainwater, finally, the rainwater can be discharged along the rainwater outlet 1b, however, when the rainfall is small or large, the actual rainfall is difficult to be accurately collected by the funnel-shaped collector 2b without adjusting the caliber, the error ratio is large, therefore, the caliber of the funnel-shaped collector 2b is adjusted by the caliber adjusting mechanism 2c, so that the caliber of the funnel-shaped collector 2b can be adjusted to a proper opening degree according to the rainfall, and the rainwater is collected, the rainfall detection device 3 can finally detect the actual rainfall.

Further, as shown in fig. 6, 7, 9 and 10:

funnel-shaped collector 2b is connected by a plurality of ebonite 2b1 and a plurality of flexible glue 2b2 looks interval and constitutes, flexible glue 2b 2's size is greater than ebonite 2b 1's size, the top of sleeve pipe 2a is coaxial to be equipped with an end cover 2a1, end cover 2a1 is fixed on sleeve pipe 2a and end cover 2a 1's surface is in same horizontal plane with sleeve pipe 2 a's surface, the even connector of having seted up with a plurality of ebonite 2b1 the same quantity along the circumferencial direction of sleeve pipe 2a on the end cover 2a1, and the tip of the same direction of a plurality of ebonite 2b1 on funnel-shaped collector 2b still fixes respectively in a connector, the one end that every flexible glue 2b2 is close to end cover 2a1 still all presses at end cover 2a 1's edge in elasticity.

Based on the above embodiments, the technical problem that the present application intends to solve is how the size of the aperture of the funnel-shaped collector 2b can be adjusted. Therefore, the composition of the funnel-shaped collector 2b is connected at intervals by the hard glue 2b1 and the soft glue 2b2, so that the caliber of the funnel-shaped collector 2b can be changed, when the caliber of the funnel-shaped collector 2b is changed by the caliber adjusting mechanism 2c, the caliber of the funnel-shaped collector 2b can be changed under the elastic action of the funnel-shaped collector 2b, the caliber adjusting mechanism 2c can enable the caliber of the funnel-shaped collector 2b to be adjusted to a proper size, rainwater can be collected conveniently, the funnel-shaped collector 2b1 and the soft glue 2b2 are connected at intervals, so that the funnel-shaped collector 2b has contraction and expansion properties, if the connection between the hard glue 2b1 and the soft glue 2b2 is arranged unevenly, the funnel-shaped collector 2b cannot be changed into a funnel shape, rainwater collection is influenced, the hard glue 2b1 and the soft glue 2b2 are connected in a sealing manner, and the connection mode between the ebonite 2b1 and the soft glue 2b2 and the end cover 2a1 respectively, when collecting rainwater, the rainwater can slide along the inner surfaces of the ebonite 2b1 and the soft glue 2b2 and can not overflow outwards, so that the rainwater can be better collected.

Further, as shown in fig. 4, 8 and 10:

the caliber adjusting mechanism 2c comprises a lifting outer casing sleeve 2c1 coaxially sleeved on the sleeve 2a, a lifting rotating shaft 2c2 coaxially arranged in the sleeve 2a, and a lifting pushing block 2c3 coaxially sleeved on the lifting rotating shaft 2c2 and used for pushing the lifting outer casing sleeve 2c1 to move, the diameter of the lifting rotating shaft 2c2 is smaller than the inner diameter of the sleeve 2a, the lifting rotating shaft 2c2 can rotate around the axis of the sleeve 2a, a motor 2c4 used for driving the lifting rotating shaft 2c2 to rotate is fixedly arranged on the base 1 and positioned in the rainwater flowing cavity 1a, the output shaft of the motor 2c4 is connected with the end part of the lifting rotating shaft 2c2 through a coupler 2c5, the outer surface of the lifting rotating shaft 2c2 is also provided with threads, the lifting push block 2c3 is in threaded connection with the lifting rotating shaft 2c2, and the lifting push block 2c3 is also fixedly connected with the lifting outer shell sleeve 2c 1.

Based on the above embodiments, the technical problem to be solved by the present application is how to adjust the aperture size of the funnel-shaped collector 2b by the aperture adjusting mechanism 2 c. Therefore, the lifting rotating shaft 2c2 is driven to rotate by the motor 2c4, because the lifting rotating shaft 2c2 and the lifting pushing block 2c3 are in threaded connection, and the lifting pushing block 2c3 and the lifting outer shell sleeve 2c1 are in fixed connection, along with the rotation of the lifting rotating shaft 2c2, the lifting pushing block 2c3 can push the lifting outer shell sleeve 2c1 to move upwards, when the lifting outer shell sleeve 2c1 is located on the lower half part of the sleeve 2a and does not contact with the funnel-shaped collector 2b, the funnel-shaped collector 2b is in an open state under the action of self elasticity, the caliber of the funnel-shaped collector 2b is in a maximum state, along with the upward sliding of the lifting outer shell sleeve 2c1 on the sleeve 2a, the lifting outer shell sleeve 2c1 can wrap the funnel-shaped collector 2b, the funnel-shaped collector 2b is stored therewith, and the caliber thereof becomes smaller and smaller until the lifting outer shell sleeve 2c1 moves up to the end point position, the end of the funnel-shaped collector 2b is completely wrapped therein, and the funnel-shaped collector 2b also becomes a cylindrical shape, and the caliber thereof is also at a minimum.

Further, as shown in fig. 4, 8 and 10:

the lifting push block 2c3 is circular, the outer diameter of the lifting push block 2c3 is equal to the inner diameter of the sleeve 2a, the lifting push block 2c3 penetrates through the sleeve 2a to extend outwards to form a convex block 2c6, a strip-shaped groove 2a2 for each convex block 2c6 to move is formed in the pipe wall of the sleeve 2a along the axis direction of the sleeve, a space capable of completely containing the funnel-shaped collector 2b through the lifting outer shell 2c1 is reserved between the lifting push block 2c3 and the lifting outer shell 2c1, and each convex block 2c6 is connected with the lifting outer shell 2c1 through a connecting strip 2c 7.

Based on the above embodiments, the technical problem that the present application intends to solve is how the lifting and lowering push block 2c3 pushes the lifting and lowering outer shell 2c1 and ensures that the lifting and lowering outer shell 2c1 can be moved completely to the right position. Therefore, the lifting outer shell sleeve 2c1 can move along with the lifting push block 2c3 when the lifting rotating shaft 2c2 rotates to drive the lifting push block 2c3 to move through the connection of the connecting strip 2c7 between the lifting push block 2c3 and the lifting outer shell sleeve 2c1, because the end of the lifting rotating shaft 2c2 is flush with the end cover 2a1, if the position of the lifting outer shell sleeve 2c1 is not higher than the position of the lifting push block 2c3, the lifting outer shell sleeve 2c1 can not completely wrap the funnel-shaped collector 2b, the connection of the connecting strip 2c7 between the lifting outer shell sleeve 2c1 and the lifting push block 2c3 allows a proper distance to be reserved between the lifting outer shell sleeve 2c1 and the funnel-shaped collector 2b, after the lifting push block 2c3 moves in place, the lifting outer shell sleeve 2c1 can also completely wrap the funnel-shaped collector 2b, the scope of the aperture of the funnel-shaped collector 2b is wider, and the collection of rainfall is more convenient.

Further, as shown in fig. 4 and 7:

the end part of the lifting outer shell 2c1 close to the funnel-shaped collector 2b is provided with a flaring which can prevent the surfaces of the soft glue 2b2 and the hard glue 2b1 from being damaged by friction.

Based on the above-described embodiments, the technical problem that the present application intends to solve is how to avoid a situation where the lifting outer shell 2c1 loses the surface of the funnel-shaped collector 2b while moving up and down. For this reason, this application is through the setting of lift shell cover 2c1 tip flaring, when lift shell cover 2c1 rebound, funnel-shaped collector 2b can inwards accomodate along the interior limit of lift shell cover 2c1, can not contact with the corner of lift shell cover 2c1 tip, takes place the condition on friction damage ebonite 2b1 and flexible glue 2b2 surface, has protected funnel-shaped collector 2 b.

Further, as shown in fig. 4, 11 and 12:

the rainfall detection device 3 comprises a tipping bucket 3a arranged in a rainwater circulation cavity 1a and water outlet channels 3b symmetrically arranged on two sides of the tipping bucket 3a, the middle part of the tipping bucket 3a is connected on a shaft connecting frame 3c in a shaft mode, the shaft connecting frame 3c is fixed on a base 1, the symmetrical surfaces of the two water outlet channels 3b are the middle cross section of the tipping bucket 3a, the two water outlet channels 3b are located in the rainwater circulation cavity 1a, the two water outlet channels 3b are also located below the tipping bucket 3a, the two water outlet channels 3b are fixed on the base 1, and the end part of each water outlet channel 3b is also provided with a contact switch 3d which can be contacted when the tipping bucket 3a turns over.

Based on the above-described embodiment, the technical problem that the present application intends to solve is how the rainfall amount detection device 3 detects the rainfall amount of the collected rainwater. Therefore, the rainwater is received by the tipping bucket 3a, when the rainwater flows into the rainwater circulation cavity 1a of the base 1 from the sleeve 2a, the rainwater falls into the tipping bucket 3a, when the accumulated water amount on the tipping bucket 3a reaches a certain height, such as 0.1 mm, the tipping bucket 3a is out of balance and overturns to pour out the rainwater, because the inner wall of the base 1 is provided with a structure which is concave towards the tipping bucket 3a, the end part of the tipping bucket 3a can overturn along the inner wall of the base 1 when overturning, and no gap exists between the end part of the tipping bucket 3a and the inner wall of the base 1, therefore, the rainwater can directly fall on the tipping bucket 3a and can not directly fall on the water outlet channel 3b when falling, the rainwater is prevented from directly falling on the water outlet channel 3b, the tipping bucket 3a can not accurately receive the rainwater, and the actual rainfall determination of the contact switch 3d is inaccurate, with the continuous rainfall, the tipping bucket 3a is turned left and right, the tipping bucket 3a can contact the contact switch 3d, the contact switch 3d changes the turning times of the tipping bucket 3a into an electric signal and sends the electric signal to the recorder, rainfall data is read out on the accumulation counter and the self-recording clock, the rainfall process can be measured by reciprocating in such a way, the actual rainfall amount is finally detected, the poured rainwater can fall into the water outlet channel 3b, and finally the rainwater is discharged through the rainwater outlet 1b along the water outlet channel 3 b.

Further, as shown in fig. 4 and 12:

the water outlet channel 3b is provided with a slope inclined towards the rainwater outlet 1b, and the lower end of the water outlet channel 3b is also provided with a water outlet for rainwater to flow out towards the rainwater outlet 1 b.

Based on the above embodiment, when the water in the dump bucket 3a is poured out and falls into the water outlet channel 3b, the rainwater will flow along the slope toward the rainwater outlet 1b, and finally the rainwater will be discharged out of the rainwater outlet 1b through the water outlet on the water outlet channel 3b, if there is no slope on the water outlet channel, when rainwater is poured on the water outlet channel 3b, water accumulation on the water outlet channel 3b is easy to occur, the arrangement of the slope can enable the rainwater to flow towards the rainwater outlet 1b more smoothly, the rainwater is guided, and the rainwater outlet 1b on the base 1 is arranged to discharge the rainwater in time after being detected, so that the condition that the tipping bucket 3a cannot turn left and right due to the accumulation of the rainwater in the rainwater circulation cavity 1a is avoided, so that the cooperation between the dump bucket 3a and the contact switch 3d can better detect the rainfall amount.

Further, as shown in fig. 4 and 7:

still include and be used for playing protection effect's protection machanism 4 to lift axis of rotation 2c2 and motor 2c4, protection machanism 4 is including establishing bellows 4a and the protection casing 4b of establishing on motor 2c4 on lift axis of rotation 2c2, annular screw thread mouth has been seted up along its axle center in the top of lift ejector pad 2c3, a threaded connection of a terminal of bellows 4a is on the screw thread mouth, the end fixing of end cover 2a1 is equipped with a top dish 4c, the other end of bellows 4a is fixed on top dish 4c, protection casing 4b is fixed on base 1.

Based on the above-described embodiments, the technical problem that the present application intends to solve is how to protect the elevation rotation shaft 2c2 and the motor 2c4 when rainwater is collected. Therefore, according to the present invention, by the protection of the corrugated tube 4a against the lifting rotating shaft 2c2 and the protection of the protection housing 4b against the motor 2c4, when the rainwater flows through the casing 2a and the rainwater flow through cavity 1a, the corrugated tube 4a and the protection housing 4b are isolated from rainwater, so that rainwater does not contact the lifting rotating shaft 2c2 and the motor 2c4, when the lifting push block 2c3 moves, the length of the corrugated tube 4a is changed along with the movement of the lifting push block 2c3, the corrugated tube 4a does not rotate along with the lifting rotating shaft 2c2, the corrugated tube 4a is prevented from being stirred together to affect the rotation of the lifting rotating shaft 2c2, and the corrugated tube 4a is connected between the lifting push block 2c3 and the top plate 4c, so as to prevent the rotation of the lifting rotating shaft 2c2 from being hindered, and also to protect the lifting rotating shaft 2c 2.

Further, as shown in fig. 5-8:

the top plate 4c and the lifting push block 2c3 are both provided with water flowing openings for rainwater to enter the rainwater flowing cavity 1a through the sleeve 2 a.

Based on the above embodiment, when rainwater falls into the funnel-shaped collector 2b, the rainwater enters the casing 2a along the drain hole on the top plate 4c, then the rainwater slides down along the casing 2a and enters the rainwater circulation cavity 1a through the drain hole on the lifting push block 2c3, and the drain holes on the top plate 4c and the lifting push block 2c3 are provided, so that the rainwater can smoothly flow into the rainwater circulation cavity 1a, and the rainfall is detected by the rainfall detection device 3.

Further, as shown in fig. 4, 6 and 7:

the top of top disk 4c is provided with a cone 4c1, the tip of cone 4c1 is upward, and cone 4c1 is coaxial with sleeve 2 a.

Based on the above embodiment, when rainwater falls into the funnel-shaped collector 2b, the rainwater will slide down along the inner wall of the funnel-shaped collector 2b, and when rainwater falls directly onto the cone head 4c1, the rainwater will slide down along the conical surface of the cone head 4c1 because the tip of the cone head 4c1 faces upwards, and the rainwater will flow towards the drain on the top plate 4c under the guidance of the cone head 4c1, so as to avoid the rainwater from accumulating on the top plate 4 c.

This application has realized the accurate collection to actual rainfall through the regulation of bore adjustment mechanism 2c to funnel-shaped collector 2b bore, has made things convenient for the collection of rainfall, has improved the accurate degree that rainfall detected, through the cooperation between rainfall detection device 3 and rainwater collection device 2, has realized the accurate detection to the rainfall.

The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A retractable rainfall collector comprises a base (1) and a rainwater collecting device (2) arranged at the top of the base (1), wherein a rainwater circulation cavity (1a) communicated with the rainwater collecting device (2) is arranged in the base (1), a rainfall detection device (3) is also arranged on the base (1) and positioned in the rainwater circulation cavity (1a), a rainwater outflow port (1b) communicated with the rainwater circulation cavity (1a) is also formed in the bottom of the base (1), the retractable rainfall collector is characterized in that the rainwater collecting device (2) comprises a sleeve (2a) vertically arranged at the top of the base (1) and a funnel-shaped collector (2b) arranged at the top end of the sleeve (2a), the funnel-shaped collector (2b) can adjust the caliber of the funnel-shaped collector, and the top end of the base (1) is also provided with a caliber adjusting mechanism (2c) used for adjusting the caliber of the funnel-shaped collector (2b), the sleeve (2a) is also communicated with the rainwater circulation cavity (1 a).

2. The retractable rainfall collector of claim 1, wherein the funnel-shaped collector (2b) is formed by connecting a plurality of hard glues (2b1) and a plurality of soft glues (2b2) at intervals, the soft glues (2b2) are larger than the hard glues (2b1), an end cap (2a1) is coaxially arranged at the top end of the sleeve (2a), the end cap (2a1) is fixed on the sleeve (2a), the outer surface of the end cap (2a1) and the outer surface of the sleeve (2a) are on the same horizontal plane, the end cap (2a1) is uniformly provided with a plurality of connecting ports which are the same as the hard glues (2b1) in number along the circumferential direction of the sleeve (2a), the ends of the plurality of hard glues (2b1) on the funnel-shaped collector (2b) in the same direction are respectively fixed in a connecting port, and one end of each soft glue (2b2) close to the end cover (2a1) is elastically pressed against the edge of the end cover (2a 1).

3. The retractable rainfall collector as claimed in claim 1, wherein the caliber adjusting mechanism (2c) comprises a lifting outer casing (2c1) coaxially sleeved on the casing (2a), a lifting rotating shaft (2c2) coaxially arranged in the casing (2a), and a lifting pushing block (2c3) coaxially sleeved on the lifting rotating shaft (2c2) for pushing the lifting outer casing (2c1) to move, the diameter of the lifting rotating shaft (2c2) is smaller than the inner diameter of the casing (2a), the lifting rotating shaft (2c2) can rotate around the axis of the casing (2a), a motor (2c4) for driving the lifting rotating shaft (2c2) to rotate is further fixedly arranged on the base (1) and in the rainwater flow cavity (1a), the output shaft of the motor (2c4) is connected with the end of the lifting rotating shaft (2c2) through a coupling (2c5), and the outer surface of the lifting rotating shaft (2c2) is also provided with threads, the lifting push block (2c3) is in threaded connection with the lifting rotating shaft (2c2), and the lifting push block (2c3) is also fixedly connected with the lifting outer shell sleeve (2c 1).

4. The retractable rainfall collector as claimed in claim 3, wherein the lifting pushing block (2c3) is annular, the outer diameter of the lifting pushing block (2c3) is equal to the inner diameter of the sleeve (2a), a protrusion (2c6) extends outwards through the sleeve (2a) around the lifting pushing block (2c3), a strip-shaped groove (2a2) for each protrusion (2c6) to move is formed in the wall of the sleeve (2a) along the axial direction, a space for completely containing the funnel-shaped collector (2b) through the lifting outer shell sleeve (2c1) is left between the lifting pushing block (2c3) and the lifting outer shell sleeve (2c1), and each protrusion (2c6) and the lifting outer shell sleeve (2c1) are connected through a connecting strip (2c 7).

5. A retractable rain collector as claimed in claim 4 wherein the end of the lifting cover (2c1) near the funnel-shaped collector (2b) is provided with a flare to prevent the surface of the soft glue (2b2) and hard glue (2b1) from being damaged by friction.

6. The retractable rainfall collector of claim 1, wherein the rainfall detection device (3) comprises a tipping bucket (3a) disposed in the rainwater circulation chamber (1a) and water outlet channels (3b) symmetrically disposed at both sides of the tipping bucket (3a), the middle part of the tipping bucket (3a) is connected to a shaft connecting frame (3c) in a shaft manner, the shaft connecting frame (3c) is fixed on the base (1), the symmetrical surfaces of the two water outlet channels (3b) are the middle cross section of the tipping bucket (3a), the two water outlet channels (3b) are both located in the rainwater circulation chamber (1a) and the two water outlet channels (3b) are also both located below the tipping bucket (3a), the two water outlet channels (3b) are both fixed on the base (1), and the end part of each water outlet channel (3b) is also provided with a contact switch (3d) which can be contacted when the tipping bucket (3a) overturns.

7. The retractable rainfall collector of claim 6 wherein the outlet channel (3b) has a slope inclined toward the rainwater outlet (1b), and the lower ends of the outlet channels (3b) are each further provided with a water outlet for rainwater to flow out toward the rainwater outlet (1 b).

8. The retractable rainfall collector of claim 1, further comprising a protection mechanism (4) for protecting the lifting rotating shaft (2c2) and the motor (2c4), wherein the protection mechanism (4) comprises a corrugated tube (4a) sleeved on the lifting rotating shaft (2c2) and a protection housing (4b) sleeved on the motor (2c4), the top of the lifting pushing block (2c3) is provided with an annular threaded opening along the axis thereof, one end of the corrugated tube (4a) is connected to the threaded opening in a threaded manner, the end of the end cap (2a1) is fixedly provided with a top plate (4c), the other end of the corrugated tube (4a) is fixed to the top plate (4c), and the protection housing (4b) is fixed to the base (1).

9. The retractable rainfall collector of claim 8, wherein the top plate (4c) and the lifting push block (2c3) are provided with water outlets through which rainwater can enter the rainwater flow chamber (1a) through the sleeve (2 a).

10. A retractable rain collector as claimed in claim 9 wherein the top of the top plate (4c) is provided with a conical head (4c1), the tip of the conical head (4c1) is upward, and the conical head (4c1) is coaxial with the sleeve (2 a).