CN220542163U - Flowmeter that measurement precision is high - Google Patents

Abstract

The utility model belongs to the technical field of flowmeters, in particular to a flowmeter with high metering precision, which comprises a flowmeter body and a water pipe, wherein the flowmeter body is connected with the water pipe, a fixed sleeve is arranged on the outer side of the flowmeter body, two supporting plates are fixedly arranged at the top of the fixed sleeve, two protecting mechanisms are symmetrically arranged on the two supporting plates, the protecting mechanisms are used for protecting the flowmeter body, each protecting mechanism comprises a threaded sleeve, and a rotating hole is formed in each supporting plate. The utility model has reasonable structural design, and the flowmeter is isolated from the external environment by arranging the protection mechanism, so that external objects, dust, moisture and the like are prevented from entering the flowmeter, thereby protecting sensitive parts and measuring devices of the flowmeter from being damaged, absorbing external impact force to a certain extent, reducing the influence of the external impact on the flowmeter and protecting the structural integrity and the working stability of the flowmeter.

Description

Flowmeter that measurement precision is high

Technical Field

The utility model relates to the technical field of flowmeters, in particular to a flowmeter with high metering precision.

Background

The flow meter indicates the measured flow rate and/or the total amount of fluid in a selected time interval. In short, a meter for measuring the flow rate of a fluid in a pipeline or an open channel is classified into a differential pressure type meter, a rotameter, a throttling type meter, a slit meter, a volumetric meter, an electromagnetic meter, an ultrasonic meter, and the like. Classified by medium: a liquid flow meter and a gas flow meter.

In the prior art, most of flow meters are in direct contact with the external environment, so that external objects, dust, moisture and the like are easy to enter the flow meter, thereby affecting sensitive parts and measuring devices of the flow meter, and the flow meter is easy to damage when being subjected to external impact force, so that a flow meter with high metering precision is provided to solve the problem.

Disclosure of Invention

The utility model aims to solve the problems in the background art, and provides a flowmeter with high metering precision.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a flowmeter with high metering accuracy, comprising:

the flowmeter comprises a flowmeter body and a water pipe, wherein the flowmeter body is connected with the water pipe, a sleeve is fixed on the outer side of the flowmeter body, two supporting plates are fixedly arranged at the top of the sleeve, two protecting mechanisms are arranged on the supporting plates, two groups of protecting mechanisms are symmetrically arranged, and the protecting mechanisms are used for protecting the flowmeter body.

Preferably, the protection mechanism comprises a thread bush, a rotating hole is formed in the supporting plate, the thread bush is rotatably arranged in the rotating hole, a screw is connected with the thread bush in an internal thread manner, a protection cover is fixedly arranged at one end, close to the flowmeter body, of the screw, and the protection cover is matched with the flowmeter body.

Preferably, a limiting rod is fixedly arranged at the bottom of the protective cover, two limiting grooves are formed in the top of the fixing sleeve, and the limiting rod is slidably connected in the limiting grooves.

Preferably, the left sides of the two supporting plates are fixedly provided with mounting plates, the same rotating shaft is rotatably arranged between the two mounting plates, and the front end and the rear end of the rotating shaft respectively penetrate through the corresponding mounting plates.

Preferably, the outside fixed cover of axis of rotation is equipped with two drive pulleys, two the outside of screw thread cover is all fixed the cover and is equipped with driven pulley, the transmission is connected with same belt on drive pulley and the driven pulley.

Preferably, the front side of the mounting plate at the front side is fixedly provided with a motor seat, the left side of the motor seat is fixedly provided with a driving motor, the outer side of an output shaft of the driving motor is fixedly provided with a worm, the outer side of the rotating shaft is fixedly sleeved with a worm wheel, and the worm is meshed with the worm wheel.

According to the flowmeter with high metering precision, the driving motor is started, and the output shaft of the driving motor rotates to drive the worm to be meshed with the worm wheel, so that the rotating shaft can be driven to rotate, and further the two driving belt wheels can be driven to rotate;

according to the flowmeter with high metering precision, the driven belt pulley is driven to rotate through the belt by the rotation of the driving belt pulley, so that the two threaded sleeves can be driven to rotate, the two screw rods drive the corresponding protection covers to move under the limit of the limit rod, the two protection covers are driven to be closed, and the flowmeter body can be protected;

the utility model has reasonable structural design, and the flowmeter is isolated from the external environment by arranging the protection mechanism, so that external objects, dust, moisture and the like are prevented from entering the flowmeter, thereby protecting sensitive parts and measuring devices of the flowmeter from being damaged, absorbing external impact force to a certain extent, reducing the influence of the external impact on the flowmeter and protecting the structural integrity and the working stability of the flowmeter.

Drawings

FIG. 1 is a schematic perspective view of a flowmeter with high measurement accuracy according to the present utility model;

FIG. 2 is a schematic view of a part of a three-dimensional structure of a flowmeter with high measurement accuracy according to the present utility model;

fig. 3 is a schematic perspective view of a flowmeter body and a water pipe part of the flowmeter with high metering accuracy.

In the figure: 1. a flowmeter body; 2. a water pipe; 3. a fixed sleeve; 4. a support plate; 5. a protection mechanism; 6. a mounting plate; 7. a rotating shaft; 8. a driving belt wheel; 9. a driven pulley; 10. a belt; 11. a motor base; 12. a drive motor; 13. a worm; 14. a worm wheel; 501. a thread sleeve; 502. a screw; 503. a protective cover; 504. a limit rod; 505. and a limit groove.

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.

Referring to fig. 1-3, a high metering accuracy flow meter, comprising:

flowmeter body 1 and water pipe 2, flowmeter body 1 is connected with water pipe 2, and fixed cover 3 in the outside of flowmeter body 1, the top fixed mounting of fixed cover 3 have two backup pads 4, all are provided with protection machanism 5 in two backup pads 4, and two sets of protection machanism 5 are the symmetry setting, and protection machanism 5 is used for protecting flowmeter body 1.

In the utility model, the protection mechanism 5 comprises a threaded sleeve 501, a rotating hole is formed in a supporting plate 4, the threaded sleeve 501 is rotatably arranged in the rotating hole, a screw rod 502 is connected in the threaded sleeve 501 in a threaded manner, a protection cover 503 is fixedly arranged at one end, close to the flowmeter body 1, of the screw rod 502, and the protection cover 503 is matched with the flowmeter body 1.

In the utility model, a limiting rod 504 is fixedly arranged at the bottom of a protective cover 503, two limiting grooves 505 are formed at the top of a fixed sleeve 3, and the limiting rod 504 is slidably connected in the limiting grooves 505.

In the utility model, mounting plates 6 are fixedly arranged on the left sides of two support plates 4, the same rotating shaft 7 is rotatably arranged between the two mounting plates 6, and the front end and the rear end of the rotating shaft 7 respectively penetrate through the corresponding mounting plates 6.

In the utility model, two driving belt wheels 8 are fixedly sleeved on the outer side of a rotating shaft 7, driven belt wheels 9 are fixedly sleeved on the outer sides of two thread sleeves 501, and the driving belt wheels 8 and the driven belt wheels 9 are in transmission connection with the same belt 10.

In the utility model, a motor seat 11 is fixedly arranged on the front side of a mounting plate 6 positioned on the front side, a driving motor 12 is fixedly arranged on the left side of the motor seat 11, a worm 13 is fixedly arranged on the outer side of an output shaft of the driving motor 12, a worm wheel 14 is fixedly sleeved on the outer side of a rotating shaft 7, and the worm 13 is meshed with the worm wheel 14.

In the utility model, when the flowmeter is used, the driving motor is started, the output shaft of the driving motor rotates to drive the worm 13 to be meshed with the worm wheel 14, so that the rotating shaft 7 can be driven to rotate, further, the two driving belt pulleys 8 can be driven to rotate through the belt 10 to drive the driven belt pulleys 9 to rotate, further, the two screw rods 502 can drive the corresponding protection covers 503 to move under the limit of the limit rod 504, the two protection covers 503 are driven to be closed, the flowmeter body 1 can be protected, the flowmeter is isolated from the external environment, and foreign objects, dust, moisture and the like are prevented from entering the flowmeter, so that the sensitive parts and the measuring device of the flowmeter are protected from being damaged, the external impact force can be absorbed to a certain extent, the influence of the external impact on the flowmeter is reduced, and the structural integrity and the working stability of the flowmeter are protected.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (6)

1. A flowmeter having high measurement accuracy, comprising:

flowmeter body (1) and water pipe (2), flowmeter body (1) is connected with water pipe (2), fixed cover (3) in the outside of flowmeter body (1), the top fixed mounting of fixed cover (3) has two backup pads (4), two all be provided with protection machanism (5) on backup pad (4), two sets of protection machanism (5) are the symmetry setting, protection machanism (5) are used for protecting flowmeter body (1).

2. The flowmeter of claim 1, wherein the protecting mechanism (5) comprises a threaded sleeve (501), a rotating hole is formed in the supporting plate (4), the threaded sleeve (501) is rotatably arranged in the rotating hole, a screw (502) is connected with the threaded sleeve (501) in a threaded manner, a protecting cover (503) is fixedly arranged at one end, close to the flowmeter body (1), of the screw (502), and the protecting cover (503) is matched with the flowmeter body (1).

3. The flowmeter with high metering accuracy according to claim 2, wherein a limit rod (504) is fixedly installed at the bottom of the protective cover (503), two limit grooves (505) are formed in the top of the fixed sleeve (3), and the limit rod (504) is slidably connected in the limit grooves (505).

4. The flowmeter with high metering accuracy according to claim 2, wherein the left sides of the two supporting plates (4) are fixedly provided with mounting plates (6), the same rotating shaft (7) is rotatably arranged between the two mounting plates (6), and the front end and the rear end of the rotating shaft (7) respectively penetrate through the corresponding mounting plates (6).

5. The flowmeter with high metering accuracy according to claim 4, wherein two driving pulleys (8) are fixedly sleeved on the outer side of the rotating shaft (7), driven pulleys (9) are fixedly sleeved on the outer sides of the two threaded sleeves (501), and the driving pulleys (8) and the driven pulleys (9) are in transmission connection with the same belt (10).

6. The flowmeter with high metering accuracy according to claim 4, wherein a motor base (11) is fixedly mounted on the front side of the mounting plate (6) on the front side, a driving motor (12) is fixedly mounted on the left side of the motor base (11), a worm (13) is fixedly mounted on the outer side of an output shaft of the driving motor (12), a worm wheel (14) is fixedly sleeved on the outer side of the rotating shaft (7), and the worm (13) is meshed with the worm wheel (14).