CN215867186U

CN215867186U - Portable water injection test device

Info

Publication number: CN215867186U
Application number: CN202121763538.XU
Authority: CN
Inventors: 高峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-02-18
Anticipated expiration: 2031-07-30

Abstract

The utility model relates to the technical field of rainfall observation, and discloses a portable water injection test device which comprises a support, wherein the bottom end of the support is fixedly connected with a base, a clamp plate is movably connected inside the base, the middle part of the support is rotatably connected with a fixed rod, trays are fixedly connected on the left side and the right side of the fixed rod, a cup body is movably connected on the top of the tray, a cup cover is clamped at the top end of the cup body, scale marks are attached to the front surface of the cup body, a hose is fixedly connected to the bottom of the cup body, a hollow groove is formed in the support, a rotating shaft is rotatably connected in the middle of the hollow groove, the two sets of trays are fixedly connected to the left end and the right end of the fixed rod through fixedly connecting the support and the base, and finally the two sets of clamp plates are fixedly connected to a rain gauge through bolts, so that the assembly can be completed, the manufacturing cost is low, and the trays can be retracted into the hollow groove through rotating the fixed rod, greatly reduces the volume of the device, thereby achieving the purpose of convenient carrying.

Description

Portable water injection test device

Technical Field

The utility model relates to the technical field of rainfall observation, in particular to a portable water injection test device.

Background

The rainfall is a concept for measuring the amount of rainfall, and according to the rainfall observation standard requirements, 1.5-2.5 mm/min rainfall intensity needs to be simulated to perform a water injection test on the instrument when the tipping bucket rain gauge is inspected and maintained, so that the measurement error of the instrument is measured.

However, the existing water injection test instrument is expensive and only part of identification mechanisms and units are used; and generally, the measuring cup is directly used for injecting water, the consumed time is long, the flow is difficult to control by manual water injection, and meanwhile, the operation space of part of rod-type rainfall stations is small, so that certain potential safety hazards exist.

Therefore, the demand for high-reliability products is urgent, and a portable water injection test device is provided, which has the advantages of low manufacturing cost, portability and capability of controlling water flow, so that the problems are solved.

SUMMERY OF THE UTILITY MODEL

In order to realize the purposes of low manufacturing cost, portability and capability of controlling water flow, the utility model provides the following technical scheme: the utility model provides a portable water injection test device, includes the support, the bottom fixedly connected with base of support, the inside swing joint of base has splint, the middle part of support rotates and is connected with the dead lever, the equal fixedly connected with tray in the left and right sides of dead lever, the top swing joint of tray has the cup, the top joint of cup has the bowl cover, the front laminating of cup has the scale mark, the bottom fixedly connected with hose of cup, the threaded hole has been seted up to the inside of splint, the inside swing joint of threaded hole has the bolt, the dead slot has been seted up to the inside of support, the middle part of dead slot rotates and is connected with the pivot, the bottom outside fixedly connected with regulator of hose, the back of regulator rotates and is connected with the seal cover, the inside of seal cover rotates and is connected with stifled pearl.

As optimization, splint are provided with two sets ofly, the spout has been seted up to the bottom of base, and is two sets of the equal sliding connection in splint top is in the inside of spout, in order can suitably to adjust the interval between two sets of splint, is applicable to different models.

Preferably, the trays are provided with two groups, a groove is formed in each tray, the hose is movably connected in the groove, and even if one group of trays is damaged, the other group of trays can be used for carrying out a normal experiment in time without delaying the progress of the experiment.

Preferably, the number of the branches of the hose is two, one is U-shaped, and the other is vertically downward, so that the principles of atmospheric pressure and hydrostatic pressure are utilized.

Preferably, the width of the empty groove is matched with that of the tray, the length of the empty groove is larger than the total length of the two groups of trays and the empty groove, and the empty groove does not occupy large space in order to just retract the tray into the empty groove.

As optimization, the sealing sleeve is sleeved on the outer side of the hose, the sealing performance of the sealing sleeve is excellent, and experimental errors are increased in order to prevent leakage at the joint of the hose and the regulator.

Preferably, the blocking bead is rotatably connected to the inside of the hose, the diameter of the blocking bead is the same as the inside diameter of the hose, and the water flow in the hose is controlled through the blocking bead.

As optimization, the use method of the portable water injection test device comprises the following steps:

s1, firstly, taking down the fixed rod, and then reversely buckling the fixed rod at the mouth of the rain bearing device of the rain gauge;

s2, unscrewing the cup cover, wetting the cup body with water, pouring 15mm of water according to the scale marks, screwing the cup cover and placing the cup cover on the tray;

s3, opening the regulator to start water injection, and adjusting the water flow speed according to the requirement;

s4, when the recorded quantity of the instrument is close to 12.5mm, the flow rate is properly slowed down, and the instrument displays that the flow rate is 12.5mm or the overturning quantity of the tipping bucket reaches 25 minutes (0.5mm single tipping bucket instrument);

and S5, finally, reading the residual water volume V in the cup body according to the scale mark, and calculating the error of the instrument according to the formula (12.5- (15-V))/(15-V).

The utility model has the beneficial effects that:

1. this portable water injection test device, through with support and base fixed connection, with two sets of tray fixed connection both ends about the dead lever again, pass through bolt fixed connection with two sets of splint on the hyetometer at last, can accomplish the equipment, the cost is cheap, can take in the dead lever inside the dead slot with the tray simultaneously through rotating, great reduction self volume to reach the mesh that can portable, simultaneously because simple structure, the cost is low, so be applicable to most units.

2. This portable water injection test device through rotating the regulator, can drive stifled pearl synchronous rotation, because the diameter of stifled pearl is the same with the inside diameter of hose, so can adjust discharge through the area of contact between stifled pearl and the hose inner wall to reach the purpose of control discharge.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a right side view of the stent structure of the present invention;

FIG. 3 is an enlarged view of the regulator of FIG. 1 at A according to the present invention;

fig. 4 is a rear view of the regulator structure of the present invention.

In the figure: 1. a support; 2. a base; 3. a splint; 4. fixing the rod; 5. a tray; 6. a cup body; 7. a cup cover; 8. scale lines; 9. a hose; 10. a bolt; 11. a threaded hole; 12. an empty groove; 13. a rotating shaft; 14. A regulator; 15. sealing sleeves; 16. and (5) blocking the beads.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1, a portable water injection test device, including support 1, the bottom fixedly connected with base 2 of support 1, the inside swing joint of base 2 has splint 3, and the middle part of support 1 rotates and is connected with dead lever 4, and the equal fixedly connected with tray 5 in the left and right sides of dead lever 4, the top swing joint of tray 5 has cup 6, and the top joint of cup 6 has bowl cover 7, and the front laminating of cup 6 has scale mark 8, and the bottom fixedly connected with hose 9 of cup 6, and threaded hole 11 is seted up to splint 3's inside, and the inside swing joint of threaded hole 11 has bolt 10.

Referring to fig. 1, two sets of clamping plates 3 are provided, a sliding groove is formed at the bottom of the base 2, the top ends of the two sets of clamping plates 3 are slidably connected inside the sliding groove, and the clamping plates are suitable for different models in order to properly adjust the distance between the two sets of clamping plates 3.

Referring to fig. 1, two groups of trays 5 are arranged, a groove is formed in each tray 5, a hose 9 is movably connected to the inner portion of the groove, and even if one group of trays 5 is damaged, the other group of trays 5 can be used for carrying out a normal experiment in time through the two groups of trays 5, so that the progress of the experiment is not delayed.

Referring to fig. 1, the hose 9 is branched into two branches, one is U-shaped and the other is vertically downward, in order to utilize the principles of atmospheric pressure and hydrostatic pressure.

Referring to fig. 2-4, an empty groove 12 is formed in the support 1, a rotating shaft 13 is rotatably connected to the middle of the empty groove 12, an adjuster 14 is fixedly connected to the outer side of the bottom end of the hose 9, a sealing sleeve 15 is rotatably connected to the rear of the adjuster 14, and a blocking bead 16 is rotatably connected to the inner portion of the sealing sleeve 15.

Referring to fig. 2, the width of the empty slot 12 matches the width of the tray 5, and the length of the empty slot 12 is greater than the total length of the two sets of trays 5, so that the tray 5 can be just retracted into the empty slot 12 without occupying a large space.

Referring to fig. 3, the sealing sleeve 15 is sleeved outside the hose 9, the sealing performance of the sealing sleeve 15 is excellent, and experimental errors are increased in order to prevent leakage at the joint of the hose 9 and the regulator 14.

Referring to fig. 4, the blocking bead 16 is rotatably connected to the inside of the flexible tube 9, and the diameter of the blocking bead 16 is the same as the inside diameter of the flexible tube 9, so as to control the water flow rate inside the flexible tube 9 through the blocking bead 16.

A use method of a portable water injection test device comprises the following steps:

The working principle of the device is as follows: the transfusion system is formed by utilizing the principles of atmospheric pressure and hydrostatic pressure, the internal pressure is higher than the external pressure, and the liquid flows downwards automatically; where hydrostatic pressure refers to the pressure (weight of the liquid) generated by the fluid at rest;

the diameter of the tipping bucket type rain gauge rain bearing device is 20cm, the rain amount is set as P, the diameter of the cup body of the device is 6cm, the corresponding height is D, according to a formula pi 10^ 2P ^ pi 3^ 2D, D ═ 100/9 ^ P is obtained, namely the height of 1mm rain amount in the cup body of the device is 11.1mm, and the lowest readable scale of the cup body is 0.1mm (the height of the cup body is 1.11 mm);

the specification requires that the water injection amount of a rain gauge with the resolution of 0.1mm and 0.2mm is not less than 10mm, the water injection test of a rain gauge with the resolution of 0.5mm and 1.0mm is not less than 12.5mm and 25mm, and more rain gauges with the resolution of 0.1mm and 0.5mm are adopted in general areas, so that the cup body of the device can bear the rain amount of at least 15mm, and the height of the cup body is more suitable for taking 20 m; for example, a water injection test on a 1.0mm resolution rain gauge may be performed with two water injections.

In conclusion, the portable water injection test device is assembled by fixedly connecting the bracket 1 and the base 2, fixedly connecting the two groups of trays 5 to the left end and the right end of the fixing rod 4 and fixedly connecting the two groups of clamping plates 3 to the rain gauge through the bolts 10, and the portable water injection test device is low in manufacturing cost, and meanwhile, the trays 5 can be retracted into the empty groove 12 by rotating the fixing rod 4, so that the size of the portable water injection test device is greatly reduced, the portable water injection test device can be conveniently carried, and meanwhile, the portable water injection test device is simple in structure and low in manufacturing cost and is suitable for most units;

the regulator 14 is rotated to drive the blocking bead 16 to rotate synchronously, and the diameter of the blocking bead 16 is the same as the inner diameter of the hose 9, so that the water flow can be regulated through the contact area between the blocking bead 16 and the inner wall of the hose 9, and the purpose of controlling the water flow is achieved.

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

Claims

1. The utility model provides a portable water injection test device, includes support (1), its characterized in that: the bottom of the support (1) is fixedly connected with a base (2), the inner part of the base (2) is movably connected with a clamping plate (3), the middle part of the support (1) is rotatably connected with a fixed rod (4), the left side and the right side of the fixed rod (4) are both fixedly connected with a tray (5), the top of the tray (5) is movably connected with a cup body (6), the top end of the cup body (6) is connected with a cup cover (7) in a clamping way, the front of the cup body (6) is attached with a scale mark (8), the bottom of the cup body (6) is fixedly connected with a hose (9), the inner part of the clamping plate (3) is provided with a threaded hole (11), the inner part of the threaded hole (11) is movably connected with a bolt (10), the inner part of the support (1) is provided with a hollow groove (12), the middle part of the hollow groove (12) is rotatably connected with a rotating shaft (13), the outer side of the bottom of the hose (9) is fixedly connected with an adjuster (14), the rear surface of the regulator (14) is rotatably connected with a sealing sleeve (15), and the inside of the sealing sleeve (15) is rotatably connected with a blocking bead (16).

2. A portable water injection test device as defined in claim 1, wherein: the clamp plate (3) is provided with two sets, the bottom of the base (2) is provided with a sliding groove, and the top ends of the clamp plate (3) are connected to the inside of the sliding groove in a sliding mode.

3. A portable water injection test device as defined in claim 1, wherein: the tray (5) is provided with two groups, a groove is formed in the tray (5), and the hose (9) is movably connected in the groove.

4. A portable water injection test device as defined in claim 1, wherein: the number of the branches of the hose (9) is two, one is U-shaped, and the other is vertically downward.

5. A portable water injection test device as defined in claim 1, wherein: the width of the empty groove (12) is matched with that of the trays (5), and the length of the empty groove is greater than the total length of the two groups of trays (5) and the empty groove (12).

6. A portable water injection test device as defined in claim 1, wherein: the sealing sleeve (15) is sleeved on the outer side of the hose (9).

7. A portable water injection test device as defined in claim 1, wherein: the rear surface of the regulator (14) is rotatably connected to the front surface of the blocking bead (16), the blocking bead (16) is rotatably connected to the inside of the hose (9), and the diameter of the blocking bead (16) is the same as the inside diameter of the hose (9).