CN113324609B

CN113324609B - Fluid metering device

Info

Publication number: CN113324609B
Application number: CN202110611936.8A
Authority: CN
Inventors: 杨勇; 杨静
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2022-08-23
Anticipated expiration: 2041-06-02
Also published as: CN113324609A

Abstract

The invention is suitable for the technical field of metering, and provides a fluid metering tool which comprises a substrate, a pipe body, a multi-stage metering mechanism, a feedback mechanism and an adjusting mechanism, wherein the multi-stage metering mechanism is arranged on a multi-layer guide rail in a layered mode and is used for measuring a fluid in a partition mode; the multi-stage metering mechanism comprises an elastic part, a firing pin and a supporting plate; the plurality of firing pins are distributed on different layers of the guide rail; the feedback mechanism is arranged at one end of the multi-stage metering mechanism and is used for feeding back a metering result to the external controller for calculation; the device is provided with the adjusting mechanism, the adjusting mechanism is arranged on the surface of the substrate and connected with the feedback mechanism and used for adjusting the positions of the multi-stage metering mechanism and the feedback mechanism, the multi-stage metering mechanism and the feedback mechanism can realize stage metering in the metering process and carry out error analysis on the fluid subjected to stage metering, so that an accurate result is obtained, the accuracy of the metering result is ensured, and the adjusting mechanism is further arranged to complete the metering of fluid flowing at different positions by rotating the position of the tube body.

Description

Fluid measuring device

Technical Field

The invention belongs to the technical field of metering, and particularly relates to a fluid metering tool.

Background

The metering is the eye of industrial production, and the flow metering mainly aims at the metering of fluid, has close relation with national economy, national defense engineering and scientific research, and plays an important role in ensuring the product quality, improving the production efficiency and promoting the development of scientific technology after the work is done.

The existing measuring method mainly comprises a volume type flowmeter, a turbine type flowmeter and an increasingly widely used ultrasonic flowmeter, and the existing measuring device cannot give consideration to all parts when measuring by taking the volume as a unit, so that the problem of insufficient precision caused by incomplete measurement exists.

Disclosure of Invention

The embodiment of the invention aims to provide a fluid metering tool, and aims to solve the problem that the existing metering device is insufficient in precision due to incomplete metering.

The embodiment of the present invention is achieved as described above, in which a fluid measuring device includes a substrate and a tube, and further includes:

the multi-stage metering mechanism is arranged on the multi-layer guide rail on the surface of the substrate in a layered mode and is used for measuring the fluid in a partition mode;

the multi-stage metering mechanism comprises an elastic part, a firing pin abutting against the elastic part, and a supporting plate connected with the firing pin in a sliding manner;

the plurality of firing pins are distributed on different layers of the guide rail;

a cavity is arranged at the top end of the supporting plate, and a feedback mechanism connected with the firing pin is arranged in the cavity;

the feedback mechanism is arranged at one end of the multi-stage metering mechanism and is used for feeding the metering result back to an external controller for calculation; and

and the adjusting mechanism is arranged on the surface of the substrate and connected with the feedback mechanism, and is used for adjusting the positions of the multi-stage metering mechanism and the feedback mechanism.

Preferably, the elastic members are made of flexible materials such as rubber.

Preferably, the feedback mechanism comprises a push rod, a disc arranged at one end of the push rod, trigger rods uniformly distributed on the disc, a trigger arranged on the supporting plate and matched with the trigger rods, a force measuring pad arranged on the upper side surface of the trigger, and an elastic supporting piece sleeved on the side surface of the trigger rods;

one end of the elastic supporting piece is connected with the disc, and the other end of the elastic supporting piece is connected with the force measuring pad;

the force measuring pad and the trigger are electrically connected with an external controller.

Preferably, the feedback mechanism further comprises symmetrically arranged sleeves and telescopic pieces arranged on the inner sides of the sleeves;

the sleeves are arranged in a cavity at one end of the supporting plate, adjacent sleeves are connected through the mounting frame, and the mounting frame is connected with the push rod in a sliding mode.

Preferably, the adjusting mechanism comprises an inner slide block, a middle slide block and an outer slide block which are connected with the guide rail in a sliding way;

the guide rail is provided with a mounting groove and a limiting groove, and the inner side sliding block, the middle sliding block and the outer side sliding block are provided with bulges matched with the mounting groove and the limiting groove.

Preferably, rib plates are symmetrically arranged at the connecting positions of the inner slide block, the middle slide block and the outer slide block with the support plate.

Preferably, one side of the base plate is provided with a notch, and the notch is hinged with a swinging plate.

According to the fluid metering tool provided by the embodiment of the invention, the multistage metering mechanism and the feedback mechanism are arranged, so that the staged measurement can be realized in the metering process, the error analysis is carried out on the fluid subjected to the staged measurement, the accurate result is obtained, the accuracy of the result is ensured, and the fluid flow measurement at different positions is completed by rotating the position of the pipe body.

Drawings

Fig. 1 is a schematic structural diagram of a fluid metering device according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a top view of a guide rail of a fluid metering device according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a guide of a fluid metering device according to an embodiment of the present invention;

FIG. 5 is a partial perspective view of a fluid-measuring instrument guide rail according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view of a softer layer of a fluid-measuring instrument guide rail according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a fluid-measuring instrument guide-rail feedback mechanism according to an embodiment of the present invention;

fig. 8 is a partial enlarged view of fig. 7 at B.

In the drawings: 1. a substrate; 2. a pipe body; 3. a guide rail; 4. an inner slide block; 5. a middle slide block; 6. an outer slide block; 7. mounting grooves; 8. a limiting groove; 9. a first soft layer; 10. a soft layer II; 11. a soft layer III; 12. a striker; 13. a support plate; 14. a rib plate; 15. a sleeve; 16. a mounting frame; 17. a telescoping member; 18. a push rod; 19. a disc; 20. a trigger lever; 21. an elastic support member; 22. a force measuring pad; 23. a trigger; 24. and (6) swinging the plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

As shown in fig. 1 and fig. 6, a structure diagram of a fluid metering device provided for an embodiment of the present invention includes a substrate 1, a tube 2, a multi-stage metering mechanism, a feedback mechanism, and an adjusting mechanism, wherein the multi-stage metering mechanism is disposed on a multi-layer guide rail 3 on a surface of the substrate 1 in a layered manner, and is used for measuring a fluid in a partitioned manner; the multi-stage metering mechanism comprises an elastic part, a firing pin 12 abutted against the elastic part, and a supporting plate 13 connected with the firing pin 12 in a sliding manner; the striker 12 is provided in plurality and distributed on different layers of the guide rail 3; the elastic parts are made of flexible materials such as rubber; a cavity is arranged at the top end of the supporting plate 13, and a feedback mechanism connected with the firing pin 12 is arranged in the cavity; the feedback mechanism is arranged at one end of the multi-stage metering mechanism and is used for feeding back a metering result to an external controller for calculation; the adjusting mechanism is arranged on the surface of the substrate 1 and connected with the feedback mechanism, and is used for adjusting the positions of the multi-stage metering mechanism and the feedback mechanism.

In an embodiment of the present invention, the elastic member includes a first soft layer 9, a second soft layer 10, and a third soft layer 11, the first soft layer 9, the second soft layer 10, and the third soft layer 11 have the same shape and are respectively located on the pipe bodies 2 at different positions, and since the first soft layer 9, the second soft layer 10, and the third soft layer 11 are made of rubber and other materials, the flow rate of the fluid can be adjusted; the metering precision can be improved through multi-stage adjustment; the free end of the firing pin 12 is provided with the protective layer, so that the situation that the first soft layer 9, the second soft layer 10 and the third soft layer 11 are punctured in the process of pushing the firing pin 12 is avoided, the tool can realize grading measurement in the measuring process by arranging the multi-stage measuring mechanism and the feedback mechanism, and carry out error analysis on the fluid subjected to grading measurement, so that an accurate result is obtained, the accuracy of the result is ensured, and the tool is further provided with the adjusting mechanism, so that the measurement of fluid flowing at different positions is completed by rotating the position of the pipe body 2.

In an embodiment of the present invention, the fluid flows along the tube 2, and when the fluid passes through the multi-stage metering mechanism, the metering mechanism cooperates with the feedback mechanism to meter the flow rate of the fluid, so as to improve the metering accuracy, and meanwhile, through the adjusting mechanism disposed on the substrate 1, when the fluid at different positions needs to be metered, the positions of the multi-stage metering mechanism and the feedback mechanism can be adjusted by only pushing the adjusting mechanism to move, so as to complete the metering work of the fluid.

As shown in fig. 8, as another preferred embodiment of the present invention, the feedback mechanism includes a push rod 18, a circular disc 19 installed at one end of the push rod 18, trigger bars 20 uniformly distributed on the circular disc 19, a trigger 23 installed on the supporting plate 13 and matched with the trigger bars 20, a force measuring pad 22 disposed on the upper side of the trigger 23, and an elastic supporting member 21 sleeved on the side of the trigger bar 20;

one end of the elastic supporting piece 21 is connected with the disc 19, and the other end of the elastic supporting piece is connected with the force measuring pad 22;

the force measuring pad 22 and the trigger 23 are electrically connected with an external controller.

In an embodiment of the present invention, when the striker 12 moves to push the push rod 18, the push rod 18 moves to push the disc 19, the disc 19 drives the trigger rods 20 uniformly distributed to move along the direction of the trigger 23, and applies an acting force to the elastic support 21 during the movement, the elastic support 21 may be a spring, an elastic sleeve, or the like, the force measuring pad 22 detects the force transmitted from the elastic support 21 and transmits the detected result to an external controller, and when the trigger rod 20 contacts the trigger 23, the magnitude of the force is detected again, and the external controller performs calculation, so as to obtain an accurate result and improve the metering accuracy.

As shown in fig. 7, as another preferred embodiment of the present invention, the feedback mechanism further includes a symmetrically arranged sleeve 15, a telescopic member 17 installed inside the sleeve 15;

the sleeves 15 are mounted in a cavity at one end of the support plate 13, adjacent sleeves 15 are connected by a mounting bracket 16, and the mounting bracket 16 is slidably connected with a push rod 18.

In one embodiment of the present invention, when telescopic member 17 is operated, its extended end drives striker 12 to move and push rod 18 to slide along the middle of mounting bracket 16, so that the firmness of telescopic member 17 and the smoothness of sliding of rod 18 can be improved by providing mounting bracket 16.

As shown in fig. 3, 4 and 5, as another preferred embodiment of the present invention, the adjusting mechanism includes an inner slide 4, a middle slide 5 and an outer slide 6 slidably connected to the guide rail 3;

the guide rail 3 is provided with a mounting groove 7 and a limiting groove 8, and the inner slide block 4, the middle slide block 5 and the outer slide block 6 are provided with bulges matched with the mounting groove 7 and the limiting groove 8.

In an example of the present invention, the free ends of the adjacent guide rails 3 are provided with a limiting block to prevent the inner slide block 4, the middle slide block 5 and the outer slide block 6 from sliding out of the guide rails 3 in the sliding process, when the position of the pipe body 2 is not fixed, the multistage metering mechanism can still be ensured to complete the metering work by adjusting the positions of the inner slide block 4, the middle slide block 5 and the outer slide block 6 on the guide rails 3, because the mounting grooves 7 and the limiting grooves 8 are arranged on the two sides of the guide rails 3, the inner slide block 4, the middle slide block 5 and the outer slide block 6 can stably slide without deviating from the guide rails 3, and a certain distance exists between the adjacent guide rails 3 to ensure that the inner slide block 4, the middle slide block 5 and the outer slide block 6 do not generate motion interference in the sliding process.

As shown in fig. 2, as another preferred embodiment of the present invention, rib plates 14 are symmetrically arranged at the joints of the inner slide 4, the middle slide 5, the outer slide 6 and the support plate 13.

In an embodiment of the present invention, by providing the rib plates 14, when the support plates 13 are mounted on the surfaces of the inner slide block 4, the middle slide block 5 and the outer slide block 6, the stability of the support plates 13 is improved, and the deformation of the structure of the support plates 13 caused by uneven stress during the operation process is avoided.

As shown in fig. 1, as another preferred embodiment of the present invention, a notch is provided on one side of the base plate 1, and a swing plate 24 is hinged to the notch.

In an embodiment of the present invention, the swing plate 24 disposed at the notch is hinged to the bottom of the base plate 1, and the pipe body 2 may directly pass through the bottom upwards, or the swing plate 24 may be mounted on the base plate 1 at the notch.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. A fluid metering device comprises a substrate and a tube body, and is characterized by further comprising:

the feedback mechanism is arranged at one end of the multi-stage metering mechanism and is used for feeding the metering result back to an external controller for calculation;

the feedback mechanism comprises a push rod, a disc arranged at one end of the push rod, trigger rods uniformly distributed on the disc, a trigger arranged on the supporting plate and matched with the trigger rods, a force measuring pad arranged on the upper side face of the trigger, and an elastic supporting piece sleeved on the side face of the trigger rods;

the force measuring pad and the trigger are electrically connected with an external controller;

the feedback mechanism also comprises symmetrically arranged sleeves and telescopic pieces arranged on the inner sides of the sleeves;

the sleeves are arranged in the cavity at one end of the supporting plate, the adjacent sleeves are connected through the mounting frame, and the mounting frame is in sliding connection with the push rod;

2. The fluid metering device of claim 1, wherein the resilient members are each made of a flexible material.

3. The fluid metering device of claim 1, wherein said adjustment mechanism comprises a plurality of concentrically disposed guide rails, an inner slide, a middle slide, and an outer slide slidably coupled to said guide rails;

4. The fluid metering device of claim 3, wherein rib plates are symmetrically arranged at the joints of the inner slide block, the middle slide block, the outer slide block and the support plate.

5. The fluid measuring device of claim 1, wherein a notch is provided on one side of the base plate, and a swing plate is hinged to the notch.