CN215984696U

CN215984696U - Plastic-packaged small-flow vortex street sensor

Info

Publication number: CN215984696U
Application number: CN202122268154.7U
Authority: CN
Inventors: 阳逸雄; 阳建新; 许坤阳; 许清华
Original assignee: Shanghai Xinliao Electromechanical Technology Co ltd
Current assignee: Shanghai Xinliao Electromechanical Technology Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-03-08
Anticipated expiration: 2031-09-18

Abstract

The utility model relates to the technical field of vortex street sensors, in particular to a plastic-packaged small-flow vortex street sensor which comprises a meter body and a connecting rod, wherein the connecting rod is arranged at the top of the meter body; according to the vortex street sensor, the fixed component is arranged for fixedly arranging the vortex street sensor, the connecting rod is arranged at the top of the meter body, when the conical groove and the arc-shaped fixed block are in the same horizontal position, the arc-shaped fixed block is clamped into the conical groove, and the connecting rod is fixedly arranged.

Description

Plastic-packaged small-flow vortex street sensor

Technical Field

The utility model relates to the technical field of vortex street sensors, in particular to a plastic-packaged low-flow vortex street sensor.

Background

The small flow vortex street sensor is a new type flowmeter for measuring the fluid flow of closed pipeline according to Karman vortex principle. The flow meter has good medium adaptability, can directly measure the working condition volume flow of steam, air, gas, water and liquid without temperature and pressure compensation, is provided with temperature and pressure sensors to measure the standard condition volume flow and mass flow, and is an ideal substitute product of the throttling flow meter. The vortex street sensor is widely applied to the industrial departments of petroleum, chemical industry, metallurgy and the like, and is also applied to municipal engineering and environmental protection industries, and the flow measurement, detection and control of steam.

However, most of the prior plastic-sealed small-flow vortex street sensors are in threaded connection, and during installation, the service life of the vortex street sensors is influenced due to abrasion between a rotating component and a component and instable installation; in addition, the sealing performance of the joint of the vortex street sensor and the meter body is not good, so that external dust, rainwater and the like easily enter through the joint, and the problem of oxidation and rust is caused.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

Aiming at the defects in the prior art, the utility model provides the plastic-packaged small-flow vortex street sensor, which solves the problem that the service life of the vortex street sensor is influenced because the rotating component and the component are abraded and instable in installation because the small-flow vortex street sensor is mostly in threaded connection; in addition, the sealing performance of the joint of the vortex street sensor and the meter body is not good, so that external dust, rainwater and the like easily enter through the joint, and the problem of oxidation and rust is caused.

Technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme:

a plastic-packaged small-flow vortex street sensor comprises a meter body and a connecting rod, wherein the connecting rod is arranged at the top of the meter body, a mounting block is fixedly mounted at the top of the meter body, a built-in groove is formed in the mounting block and communicated with a sliding groove, a sliding block is slidably mounted in the sliding groove through a telescopic spring, an arc-shaped fixed block is fixedly connected to one end, away from the telescopic spring, of the sliding block, and an internal thread sleeve is fixedly connected to the top of the mounting block; the outer side of the bottom of the connecting rod is rotatably connected with the external thread sleeve, the outer side of the bottom of the connecting rod is provided with the tapered groove, the fixing component is used for fixedly arranging the vortex street sensor, the structure is simple, the installation is convenient, the component is not loosened, the abrasion between the components can not occur, and the service life of the vortex street sensor is prolonged.

Furthermore, a vortex generator is arranged on the inner wall of the watch body; the top end part of the connecting rod is fixedly provided with an amplifier, and the bottom end part of the connecting rod is provided with a detection probe; the meter comprises a meter body and is characterized in that a through hole is formed in the center of the top of the meter body, and a sealing ring is fixedly connected to the inner wall of the through hole and used for measuring flow data of fluid.

Furthermore, the bottom end of the connecting rod is provided with a notch, the outer diameter specification of the notch is matched with the inner diameter specification and size of the sealing ring, the sealing ring is positioned outside the notch, and the notch of the bottom end of the connecting rod is attached to the sealing ring so as to prevent fluid in the watch body from flowing out through the connecting part.

Furthermore, the internal thread sleeve is matched with the external thread sleeve in specification and size, the external thread sleeve is connected inside the internal thread sleeve in a threaded mode, and the internal thread sleeve and the external thread sleeve are matched with each other to assist the fixing component in installing the vortex street sensor.

Furthermore, the sliding block is connected with the adjusting block at the top of the sliding block through a connecting block, and the specification of the sliding block is adapted to the specification and the size of the sliding groove; the specification of the arc-shaped fixed block is smaller than that of the built-in groove, and the arc-shaped fixed block is positioned in the inner cavity of the built-in groove; the specification of arc fixed block and the specification and dimension of bell jar suit, and the inside of arc fixed block joint in the bell jar, opposite direction promotes two regulating blocks, and the arc fixed block can enter into built-in groove, and connecting rod bottom end portion loses the fixed point, can be convenient for vortex street sensor installation and dismantlement like this.

Furthermore, a group of arc-shaped fixing blocks is symmetrically arranged inside the built-in grooves, a group of insertion columns is symmetrically arranged on the end face of one built-in groove, a group of insertion grooves matched with the insertion columns is symmetrically arranged on the end face of the other built-in groove, and the insertion columns are respectively inserted into the insertion grooves.

Advantageous effects

Compared with the known public technology, the technical scheme provided by the utility model has the following beneficial effects:

1. the vortex street sensor is fixedly arranged by the aid of the arranged fixing components, the connecting rod is arranged at the top of the meter body, the inner diameter of the arc-shaped fixing block is from large to small and is supported by the telescopic spring, the outer wall of the connecting rod abuts against the arc-shaped fixing block to retract, when the conical groove and the arc-shaped fixing block are in the same horizontal position, the arc-shaped fixing block is clamped into the conical groove, the connecting rod is fixedly installed, and therefore the vortex street sensor is simple in structure and convenient to install, components are not loosened, abrasion among the components cannot occur, and the service life of the vortex street sensor is prolonged.

2. According to the vortex street sensor, the internal thread sleeve and the external thread sleeve are arranged to assist the fixing component in mounting the vortex street sensor, and the external thread sleeve is rotatably connected to the outer side of the connecting rod and mutually matched to seal the connection part of the vortex street sensor and the top opening of the meter body, so that the problem that external dust and rainwater enter the meter body and are oxidized and rusted is avoided; in addition, when the vortex street sensor is completely installed on the watch body, the notch at the bottom end part of the connecting rod is attached to the sealing ring, so that the fluid in the watch body is prevented from flowing out through the connecting part.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the utility model, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a schematic perspective view of a vortex street sensor according to the present invention;

FIG. 2 is a schematic perspective view of an amplifier according to the present invention;

FIG. 3 is a schematic representation of the volumetric anatomy of the face of the present invention;

FIG. 4 is an enlarged view of the structure at A of FIG. 3;

FIG. 5 is a perspective view of the fixing member of the present invention;

the reference numerals in the drawings denote: 1. a watch body; 2. a vortex generating body; 3. a mounting block; 4. an internal thread sleeve; 5. an adjusting block; 6. a connecting rod; 7. an external thread sleeve; 8. an amplifier; 9. a tapered groove; 10. detecting a probe; 11. a seal ring; 12. a built-in groove; 13. a sliding groove; 14. an arc-shaped fixed block; 15. a slider; 16. connecting blocks; 17. a tension spring; 18. inserting grooves; 19. and (5) inserting the columns.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all 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.

The present invention will be further described with reference to the following examples.

Examples

The plastic-packaged small-flow vortex street sensor comprises a meter body 1 and a connecting rod 6, wherein the connecting rod 6 is arranged at the top of the meter body 1, a mounting block 3 is fixedly mounted at the top of the meter body 1, a built-in groove 12 is formed in the mounting block 3, the built-in groove 12 is communicated with a sliding groove 13, a sliding block 15 is slidably mounted in the sliding groove 13 through an expansion spring 17, an arc-shaped fixing block 14 is fixedly connected to one end, far away from the expansion spring 17, of the sliding block 15, and an internal thread sleeve 4 is fixedly connected to the top of the mounting block 3; the inner wall of the watch body 1 is provided with a vortex generating body 2; a through hole is formed in the center of the top of the watch body 1, and a sealing ring 11 is fixedly connected to the inner wall of the through hole; the internal thread sleeve 4 is adapted to the specification and the size of the external thread sleeve 7, and the external thread sleeve 7 is connected to the inside of the internal thread sleeve 4 in a threaded manner

As shown in fig. 3 to 5, the sliding block 15 is connected with the adjusting block 5 on the top thereof through a connecting block 16, and the specification of the sliding block 15 is adapted to the specification and the size of the sliding groove 13; the specification of the arc-shaped fixing block 14 is smaller than that of the built-in groove 12, and the arc-shaped fixing block 14 is positioned in the inner cavity of the built-in groove 12; the specification of the arc-shaped fixing block 14 is matched with the specification and the size of the conical groove 9, and the arc-shaped fixing block 14 is clamped in the conical groove 9; a group of arc-shaped fixing blocks 14 are symmetrically arranged inside the built-in grooves 12, a group of insertion columns 19 is symmetrically arranged on the end face of one built-in groove 12, a group of insertion grooves 18 corresponding to the insertion columns 19 are symmetrically arranged on the end face of the other built-in groove 12, and the insertion columns 19 are respectively inserted into the insertion grooves 18.

The vortex street sensor is fixedly arranged by the arranged fixing component, the connecting rod 6 is arranged at the top of the meter body 1, the inner diameter of the arc-shaped fixing block 14 is from large to small and is supported by the telescopic spring 17, the outer wall of the connecting rod 6 props against the arc-shaped fixing block 14 to retract, when the conical groove 9 and the arc-shaped fixing block 14 are positioned at the same horizontal position, the arc-shaped fixing block 14 is clamped into the conical groove 9, and the connecting rod 6 is fixedly installed, so that the vortex street sensor is simple in structure and convenient to install, no component is loosened, abrasion among components cannot occur, and the service life of the vortex street sensor is prolonged; if when dismantling the vortex street sensor, promote two regulating blocks 5 to opposite direction, arc fixed block 14 will enter built-in groove 12, and connecting rod 6 bottom end portion loses the fixed point, can be convenient for vortex street sensor installation and dismantlement like this.

As shown in fig. 2, the outer side of the bottom of the connecting rod 6 is rotatably connected with an external thread sleeve 7, and the outer side of the bottom of the connecting rod 6 is provided with a tapered groove 9; the top end part of the connecting rod 6 is fixedly provided with an amplifier 8, and the bottom end part of the connecting rod 6 is provided with a detection probe 10; the bottom end of the connecting rod 6 is provided with a notch, the external diameter specification of the notch is matched with the internal diameter specification and size of the sealing ring 11, and the sealing ring 11 is positioned on the outer side of the notch.

The internal thread sleeve 4 and the external thread sleeve 7 are used for assisting the fixed component in installing the vortex street sensor, and the external thread sleeve 7 is rotatably connected to the outer side of the connecting rod 6 and can be matched with each other to seal the connection part of the vortex street sensor and the top opening of the watch body 1, so that the problems of oxidation and rusting caused by external dust and rainwater are avoided; in addition, when the vortex street sensor is completely installed on the watch body 1, the notch at the bottom end of the connecting rod 6 is abutted with the sealing ring 11 to prevent the fluid in the watch body 1 from flowing out through the joint.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims

1. The utility model provides a little flow vortex street sensor of plastic envelope, includes table body (1) and connecting rod (6), its characterized in that: the connecting rod (6) is arranged at the top of the watch body (1), the top of the watch body (1) is fixedly provided with a mounting block (3), a built-in groove (12) is formed in the mounting block (3), the built-in groove (12) is communicated with a sliding groove (13), a sliding block (15) is slidably mounted in the sliding groove (13) through an expansion spring (17), an arc-shaped fixed block (14) is fixedly connected to one end, far away from the expansion spring (17), of the sliding block (15), and an internal thread sleeve (4) is fixedly connected to the top of the mounting block (3); the outer side of the bottom of the connecting rod (6) is rotatably connected with an external thread sleeve (7), and the outer side of the bottom of the connecting rod (6) is provided with a conical groove (9).

2. The plastic-packaged small-flow vortex street sensor according to claim 1, wherein a vortex generator (2) is arranged on the inner wall of the watch body (1); the top end part of the connecting rod (6) is fixedly provided with an amplifier (8), and the bottom end part of the connecting rod (6) is provided with a detection probe (10); the center department at table body (1) top has seted up the through-hole, and fixedly connected with sealing ring (11) on the inner wall of through-hole.

3. The plastic-packaged small-flow vortex street sensor according to claim 2, wherein a notch is formed at the bottom end of the connecting rod (6), the outer diameter of the notch is matched with the inner diameter of the sealing ring (11), and the sealing ring (11) is located outside the notch.

4. The plastic-packaged small-flow vortex street sensor according to claim 1, characterized in that the internal thread sleeve (4) is adapted to the external thread sleeve (7) in specification and size, and the external thread sleeve (7) is screwed inside the internal thread sleeve (4).

5. The plastic-packaged small-flow vortex street sensor according to claim 1, characterized in that the sliding block (15) is connected with the adjusting block (5) on the top through a connecting block (16), and the specification of the sliding block (15) is adapted to the specification and size of the sliding groove (13); the specification of the arc-shaped fixing block (14) is smaller than that of the built-in groove (12), and the arc-shaped fixing block (14) is positioned in the inner cavity of the built-in groove (12); the specification of arc fixed block (14) and the specification and size of bell jar (9) suit, and arc fixed block (14) joint is in the inside of bell jar (9).

6. The plastic-packaged small-flow vortex street sensor according to claim 1, characterized in that a set of arc-shaped fixing blocks (14) is symmetrically arranged inside the built-in grooves (12), and a set of plugging columns (19) is symmetrically arranged on the end surface of one of the built-in grooves (12), and a set of plugging grooves (18) corresponding to the plugging columns (19) is symmetrically arranged on the end surface of the other built-in groove (12), and the plugging columns (19) are respectively plugged inside the plugging grooves (18).