CN220584253U - Dustproof device of anemometer - Google Patents

Abstract

The utility model discloses an anemometer dustproof device, and relates to the technical field of anemometers. The wind cup comprises a bottom shell, a top shell and a rotating shaft, wherein a bearing seat is fixed on the inner wall of the top shell, the rotating shaft is in rolling connection with the bearing seat, and a plurality of wind cups are fixed at the top end of the rotating shaft through a connecting cap; when the wind speed is detected, the rotating shaft rotates anticlockwise under the drive of the wind cup; the top shell is internally provided with a cavity, the bottom of the cavity is communicated with a plurality of air inlet assemblies, and the top of the top shell is provided with an air outlet groove. According to the wind speed indicator, the cavity is formed in the top shell, the air inlet assembly and the air outlet pipe are respectively arranged at the bottom and the top of the cavity, when the wind cup rotates anticlockwise around the rotating shaft, the air at the bottom of the wind cup is driven to perform the same-direction disturbance, the anticlockwise rotating air enters the cavity through the air inlet assembly and is then discharged through the air outlet pipe, so that positive wind pressure is formed at the top of the joint of the rotating shaft and the air outlet pipe, external dust is effectively prevented from entering the bearing of the bearing seat through a gap at the outer side of the rotating shaft, and the reliability of the wind speed indicator is improved.

Description

Dustproof device of anemometer

Technical Field

The utility model relates to the technical field of anemometers, in particular to a dustproof device of an anemometer.

Background

The anemometer is used for measuring the instantaneous wind speed and direction, has an automatic display function, mainly comprises a supporting rod, a wind vane, a wind cup and a wind speed and direction sensor, wherein the direction of the wind vane is the direction of incoming wind, the wind speed is calculated according to the rotating speed of the wind cup, the wind speed and the wind direction are required to be measured in the sea navigation process, and the wind speed and direction index is used.

The Chinese patent publication No. CN 218995408U discloses an anemometer which is convenient to install and comprises an anemometer body, a fixed structure, a first adjusting rod, a fixed plate, a fixed structure and the like. The fixing structure and the fixing assembly are installed, so that the anemometer can be installed and detached more conveniently.

The technical problems in the background technology are solved by the scheme. However, in practical application, the above scheme still has a certain problem, so that because the anemometer encounters various different environments in practical application, when the anemometer is used in an environment with more dust (such as sand storm weather), the dust in the environment easily enters the anemometer, and the bearings inside the anemometer are often blocked.

Disclosure of Invention

The utility model aims to provide an anemometer dustproof device so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the anemometer dustproof device comprises a bottom shell, a top shell and a rotating shaft, wherein a bearing seat is fixed on the inner wall of the top shell, the rotating shaft is in rolling connection with the bearing seat, and a plurality of wind cups are fixed at the top end of the rotating shaft through a connecting cap;

when the wind speed is detected, the rotating shaft rotates anticlockwise under the drive of the wind cup;

the top shell is internally provided with a cavity, the bottom of the cavity is communicated with a plurality of air inlet assemblies, the top of the top shell is provided with an air outlet groove, and the top end of the air outlet groove is fixedly provided with an air outlet pipe.

Preferably, the air inlet assembly comprises an air inlet which is obliquely arranged, an air inlet pipe is fixed on the outer side of the air inlet, a horn pipe is fixedly communicated with the pipe body of the air inlet pipe, and the air inlet of the horn pipe faces the same as the cup opening of the air cup.

Preferably, the air outlet pipe comprises a hollow round pipe and a vertical pipe, and the distance between the inner wall of the vertical pipe and the shaft body of the rotating shaft is 3-8mm.

Preferably, an inclined tube is fixed on the inner side of the top end of the top shell, and the inclined tube is in clearance fit with the rotating shaft.

Preferably, a sponge sleeve is fixed on the inner wall of the top shell, and the sponge sleeve is in clearance fit with the rotating shaft.

Preferably, an L-shaped annular groove is formed in the shaft body of the rotating shaft, an L-shaped sponge ring is fixed on the inner side of the sponge sleeve, and the L-shaped sponge ring is movably arranged in the L-shaped annular groove.

Compared with the prior art, the utility model has the beneficial effects that:

this anemometer dust keeper is provided with the cavity in the inside of top shell, sets up air inlet subassembly and play tuber pipe respectively in the bottom and the top of cavity, and the wind cup drives the air current of its bottom and carries out the equidirectional disturbance when anticlockwise rotation round the pivot, and anticlockwise pivoted air enters into the cavity through air inlet subassembly, then discharges through play tuber pipe to form positive wind pressure at the top of pivot and play tuber pipe junction, effectually prevent that external dust from entering into in the bearing of bearing frame through the clearance in the pivot outside, improve the reliability of anemometer.

Meanwhile, the inclined tube, the sponge sleeve and the L-shaped sponge ring are arranged, if external water drops enter the top shell, the water drops are initially blocked through the inclined tube, so that water enters the cavity along the inclined tube and flows out through the air inlet pipe, when partial water enters the top shell through the gap between the inclined tube and the rotating shaft, the sponge sleeve adsorbs the water, and when the water moves downwards along the rotating shaft, the L-shaped sponge ring adsorbs the water, so that the components in the bottom shell and the top shell are protected from being corroded by the water, the waterproof performance of the anemometer is improved, and the reliability of the anemometer is further improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a front view of the present utility model;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: 1. a bottom case; 2. a top shell; 201. a cavity; 3. a horn tube; 301. an air inlet pipe; 4. a rotating shaft; 5. a wind cup; 6. a bearing seat; 7. an air outlet pipe; 8. a sponge sleeve; 801. an L-shaped sponge ring; 9. and (5) a chute.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The technical problem that current anemograph can meet various different environments in the in-service use, when the anemograph is used in the environment with more dust (such as sand storm weather), dust in the environment easily enters into the anemograph, and the inner bearing of the anemograph is blocked frequently is solved.

Example 1

As shown in fig. 1-3, the present utility model provides a technical solution: the anemometer dustproof device comprises a bottom shell 1, a top shell 2 and a rotating shaft 4, wherein a bearing seat 6 is fixed on the inner wall of the top shell 2, the rotating shaft 4 is in rolling connection with the bearing seat 6, and three annular wind cups 5 which are distributed at equal intervals are fixed at the top end of the rotating shaft 4 through a connecting cap;

in the scheme, when the wind speed is detected, the rotating shaft 4 rotates anticlockwise under the drive of the wind cup 5;

a cavity 201 is formed in the top shell 2, a plurality of air inlet assemblies are communicated with the bottom of the cavity 201, an air outlet groove is formed in the top of the top shell 2, and an air outlet pipe 7 is fixed at the top end of the air outlet groove.

For forming positive wind pressure at the top of pivot 4 and play tuber pipe 7 junction, prevent that the dust from getting into to the top in shell 2, as shown in fig. 3, the air inlet subassembly is fixed with air-supply line 301 including the air intake of slope setting in the outside of air intake, fixed intercommunication has horn 3 on the body of air-supply line 301, it is to know that the air intake of horn 3 is the same with the rim of a cup orientation of cup 5, the mouth of pipe diameter of horn 3 is greater than the diameter of air-supply line 301, make the collection effect of horn 3 better, the wind through horn 3 is through the quick entering into cavity 201 of air-supply line 301, for the wind pressure that improves the air outlet, it is to know that play tuber pipe 7 includes hollow round platform pipe and vertical pipe, the distance between vertical pipe inner wall and the pivot 4 axis is 3-8mm, the preferred distance is 4mm.

To the supplement of this scheme, under the wind pressure effect, the wind cup 5 rotates anticlockwise around pivot 4, drives the air current of its bottom when wind cup 5 rotates and carries out the equidirectional disturbance, anticlockwise pivoted air enters into cavity 201 through the horn tube 3 and the air-supply line 301 of air inlet subassembly, then discharges through air-out pipe 7 to form positive wind pressure at the top of pivot 4 and air-out pipe 7 junction, effectually prevent that external dust from entering into in the bearing of bearing frame 6 through the clearance in the pivot 4 outside, improve the reliability of anemograph.

Example two

To increase the waterproof performance of the anemometer, on the basis of the first embodiment, as shown in fig. 3, an inclined tube 9 is fixed at the inner side of the top end of the top case 2, and the inclined tube 9 is in clearance fit with the rotating shaft 4, so that if external water drops enter the inside of the top case 2, the water drops are primarily blocked by the inclined tube 9, so that the water enters the cavity 201 along the inclined tube 9 and flows out through the air inlet tube 301.

Example III

In order to increase the waterproof performance of the anemometer, on the basis of the first embodiment or the second embodiment, as shown in fig. 3, a sponge sleeve 8 is fixed on the inner wall of the top shell 2, and the sponge sleeve 8 is in clearance fit with the rotating shaft 4, so that when part of water enters the top shell 2 through the clearance between the inclined tube 9 and the rotating shaft 4, the sponge sleeve 8 adsorbs the water.

Example IV

In order to increase the waterproof performance of the anemometer, as shown in fig. 3, on the basis of the first embodiment, the second embodiment or the third embodiment, an L-shaped annular groove is formed in the shaft body of the rotating shaft 4, an L-shaped sponge ring 801 is fixed on the inner side of the sponge sleeve 8, and the L-shaped sponge ring 801 is movably arranged in the L-shaped annular groove, so that when water moves downwards along the rotating shaft 4, the water can be adsorbed through the L-shaped sponge ring 801, thereby protecting components in the bottom shell 1 and the top shell 2 from being corroded by the water, improving the waterproof performance of the anemometer, and further improving the reliability of the anemometer.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made hereto without departing from the spirit and scope of the utility model as defined by the appended embodiments and equivalents thereof.

Claims (6)

1. Anemometer dust keeper, including drain pan (1), top shell (2) and pivot (4), its characterized in that: a bearing seat (6) is fixed on the inner wall of the top shell (2), the rotating shaft (4) is in rolling connection with the bearing seat (6), and a plurality of wind cups (5) are fixed at the top end of the rotating shaft (4) through a connecting cap;

when the wind speed is detected, the rotating shaft (4) rotates anticlockwise under the drive of the wind cup (5);

the inside cavity (201) of seting up of top shell (2), the bottom intercommunication of cavity (201) has a plurality of air inlet subassemblies, and air-out groove has been seted up at top of top shell (2), and air-out groove's top is fixed with air-out pipe (7).

2. The anemometer dust prevention device of claim 1 wherein: the air inlet assembly comprises an air inlet which is obliquely arranged, an air inlet pipe (301) is fixed on the outer side of the air inlet, a horn pipe (3) is fixedly communicated with the pipe body of the air inlet pipe (301), and the air inlet of the horn pipe (3) faces the same as the cup mouth of the air cup (5).

3. The anemometer dust prevention device of claim 1 wherein: the air outlet pipe (7) comprises a hollow round platform pipe and a vertical pipe, and the distance between the inner wall of the vertical pipe and the shaft body of the rotating shaft (4) is 3-8mm.

4. The anemometer dust prevention device of claim 1 wherein: an inclined tube (9) is fixed on the inner side of the top end of the top shell (2), and the inclined tube (9) is in clearance fit with the rotating shaft (4).

5. The anemometer dust prevention device of claim 4 wherein: the inner wall of the top shell (2) is fixed with a sponge sleeve (8), and the sponge sleeve (8) is in clearance fit with the rotating shaft (4).

6. The anemometer dust prevention device of claim 5 wherein: an L-shaped annular groove is formed in the shaft body of the rotating shaft (4), an L-shaped sponge ring (801) is fixed on the inner side of the sponge sleeve (8), and the L-shaped sponge ring (801) is movably arranged in the L-shaped annular groove.