CN217058942U - High-precision high-protection type flowmeter - Google Patents

Abstract

The utility model discloses a high-accuracy high-protection type flowmeter relates to flowmeter technical field, and this flowmeter aims at solving prior art and does not possess thermal-insulated heat retaining function down, and outside ambient temperature influences the fluid in the flowmeter easily, influences the measurement accuracy of flowmeter, damages easily when receiving external force, the poor technical problem of the corrosion-resistant type of flowmeter. The flowmeter comprises a shell, a heat insulation layer fixed on the outer side of the shell, a detection head fixed at the upper end of the heat insulation layer, a flow display installed at the upper end of the detection head, an impeller arranged in the shell, and end covers installed at the left end and the right end of the shell. This flowmeter utilizes the design of heat preservation, plays thermal-insulated heat retaining function, guarantees the measurement accuracy of flowmeter, and uses through the cooperation of buffering subassembly, fixed protection casing and lift protection casing, plays the effect of protection, and heat preservation and buffering subassembly surface all are provided with anticorrosive coating simultaneously, can improve the corrosion resisting property of flowmeter.

Description

High-precision high-protection type flowmeter

Technical Field

The utility model belongs to the technical field of the flowmeter, concretely relates to high accuracy height prevents type flowmeter.

Background

The flow rate is the amount of fluid flowing through an effective cross section of a closed pipeline or an open channel in unit time, and the flowmeter is a meter for measuring the flow rate of fluid in the pipeline or the open channel, wherein the flow rate is one of important parameters in production process control.

At present, the utility model patent of patent number CN202121361584.7 discloses a multi-functional ultrasonic flowmeter, including the flowmeter body, the control box is installed at the top interval of flowmeter body, just the bottom of control box is provided with the detection case, the detection case is connected with the flowmeter body, the mounting disc is installed to the one end of flowmeter body, the mounting disc is provided with two sets ofly, and it is symmetric distribution about the flowmeter body, the inside of mounting disc is provided with evenly is provided with the fixed orifices, just the fixed orifices matches with the flowmeter body. It adopts be convenient for dispel the heat to the detection case through the scavenge port of detection case lateral wall installation, is convenient for provide the illumination under dim environment through setting up the lamp area, but this flowmeter does not possess thermal-insulated heat retaining function, and external environment temperature influences the fluid in the flowmeter easily, influences the measurement accuracy of flowmeter, and does not have protection machanism, damages easily when receiving external force to the corrosion-resistant type of flowmeter is poor.

Therefore, in order to solve the above problems of low measurement accuracy and easy damage, it is necessary to improve the usage scenario of the flow meter.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem to be solved

An object of the present invention is to provide a high-precision high-protection type flowmeter, which does not have the function of thermal insulation under the prior art, the external environment temperature easily affects the fluid in the flowmeter, affects the measurement accuracy of the flowmeter, and has no protection mechanism, is easily damaged when receiving external force, and the corrosion resistance of the flowmeter is poor.

(2) Technical scheme

In order to solve the technical problem, the utility model provides a high-precision high-protection type flowmeter, which comprises an outer shell, a heat preservation layer fixed outside the outer shell, a detection head fixed on the upper end of the heat preservation layer, a flow display arranged on the upper end of the detection head, an impeller arranged in the outer shell, and end covers arranged at the left end and the right end of the outer shell; the buffer assembly is installed in the outer side of the lower end of the heat preservation layer, the positioning blocks are symmetrically distributed around the fixedly connected with on the inner left side of the outer shell, the left end of each positioning block is provided with a filter screen attached to the inner wall of the outer shell, the fixedly connected with on the upper end of the heat preservation layer is used for protecting the fixed protective cover of the detection head, a groove distributed in an annular equal distance is formed in the upper end of the fixed protective cover, a second elastic element is fixedly connected to the inner side of the groove, a lifting protective cover is fixedly connected to the upper end of the second elastic element, and inserting rods are fixedly connected to the left end and the right end of the lifting protective cover.

Use this technical scheme's flow timing, install the end cover on the pipeline, the medium conveys from the end cover left end to the right end, upwards draw the inserted bar, under second elastic element's in the recess effect, upwards promote the lift protection casing, expose flow display, the medium is filtered through the filter screen, the impeller is rotatory, the magnetic flux of coil is being changed to the periodicity, thereby make coil both ends induction department electric pulse model, through detecting the head, will show the result on flow display, the heat preservation plays thermal-insulated heat retaining effect, avoid overheated or the supercooling flowmeter damage that causes, fixed protection casing and lift protection casing protect detecting head and flow display.

Preferably, the buffer assembly comprises a first elastic element and an anti-collision plate which is fixed on the outer side of the first elastic element and has a concentric structure with the insulating layer. Through the cooperation use of first elastic element and anticollision board, cushion impact force to the integrity of protection flowmeter.

Preferably, the left end and the right end of the fixed protective cover are fixedly connected with a first positioning clamping block and a second positioning clamping block which are matched with the inserted rod in sequence from top to bottom. The height of the lifting protective cover is adjusted by matching the inserted rod with the first positioning fixture block or the second positioning fixture block, so that the flow display is exposed, and the observation of a measuring result is facilitated.

Preferably, a first limiting groove is formed in the outer side of the inserting rod, a third elastic element is fixedly connected in the first limiting groove, and a first limiting block is fixedly connected to the outer side of the third elastic element. The first limiting block is pushed outwards through the third elastic element, so that the first limiting block is clamped with the first positioning clamping block or the second positioning clamping block, and the stability of the lifting protective cover is ensured.

Preferably, an annular groove is formed in the outer side of the end cover, and a sealing ring is fixedly connected in the annular groove. Through setting up the sealing washer, improve the leakproofness of flowmeter and pipeline junction.

Preferably, the mounting holes are formed in the end cover and distributed in an annular equal distance mode, and the surfaces of the heat preservation layer and the buffer assembly are provided with anti-corrosion coatings. Through the mounting hole, be convenient for the end cover be connected with the pipeline, and heat preservation and buffering subassembly surface all are provided with anticorrosive coating, can improve heat preservation and buffering subassembly's corrosion resisting property.

Preferably, the inner walls of the upper end and the lower end of the outer shell are respectively provided with a second limiting groove, a fourth elastic element is fixedly connected in the second limiting groove, and a second limiting block connected with the filter screen in a clamping manner is fixedly connected to the outer side of the fourth elastic element. The second limiting block is pushed outwards through the resilience of the fourth elastic element, so that the filter screen is fixed, and the normal use of the filter screen is guaranteed.

(3) Advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a flowmeter utilizes the design of heat preservation, play thermal-insulated heat retaining function, reduce the influence of external environment temperature to the flowmeter, guarantee the measurement accuracy of flowmeter, and through the buffering subassembly, the cooperation of fixed protection casing and lift protection casing is used, play the effect of protection, guarantee the integrality of flowmeter, and the lift protection casing is the design of liftable, do not influence flow display's normal use, heat preservation and buffering subassembly surface all are provided with anticorrosive coating simultaneously, can improve the corrosion resisting property of flowmeter, service life is longer.

Drawings

Fig. 1 is a schematic perspective view of a flow meter according to an embodiment of the present invention;

FIG. 2 is a schematic front view of one embodiment of the flow meter of the present invention;

FIG. 3 is a schematic side view of a flow meter according to an embodiment of the present invention;

fig. 4 is an enlarged schematic structural diagram of a point a in fig. 2 according to an embodiment of the flow meter of the present invention.

The labels in the figures are: 1. an outer housing; 2. a heat-insulating layer; 3. a detection head; 4. a flow display; 5. an impeller; 6. an end cap; 7. a buffer assembly; 71. a first elastic element; 72. an anti-collision plate; 8. positioning blocks; 9. a filter screen; 10. fixing a protective cover; 11. a groove; 12. a second elastic element; 13. lifting the protective cover; 14. inserting a rod; 15. a first positioning fixture block; 16. a second positioning fixture block; 17. a first limit groove; 18. a third elastic element; 19. a first stopper; 20. an annular groove; 21. a seal ring; 22. mounting holes; 23. a second limit groove; 24. a fourth elastic element; 25. and a second limiting block.

Detailed Description

Example 1

The specific embodiment is a high-precision high-protection type flowmeter, the three-dimensional structure of which is schematically shown in fig. 1, and the front structure of which is schematically shown in fig. 2, the flowmeter comprises an outer shell 1, a heat-insulating layer 2 fixed on the outer side of the outer shell 1, a detection head 3 fixed on the upper end of the heat-insulating layer 2, a flow display 4 arranged on the upper end of the detection head 3, an impeller 5 arranged in the outer shell 1, and end covers 6 arranged at the left end and the right end of the outer shell 1; buffer unit 7 is installed in the 2 lower extremes of heat preservation outside, locating piece 8 of symmetric distribution around left side fixedly connected with in the shell body 1, 8 left ends of locating piece are provided with the filter screen 9 with the laminating of 1 inner wall of shell body, 2 upper ends fixedly connected with of heat preservation is used for protecting fixed protection casing 10 of detecting head 3, the recess 11 that annular equidistance distributes is seted up to fixed protection casing 10 upper end, fixedly connected with second elastic element 12 in the recess 11, second elastic element 12 upper end fixedly connected with lift protection casing 13, the equal fixedly connected with inserted bar 14 in both ends about lift protection casing 13.

Wherein, the buffer component 7 includes a first elastic element 71, an anti-collision plate 72 which is fixed on the outer side of the first elastic element 71 and has a concentric structure with the heat preservation layer 2, a first positioning fixture block 15 and a second positioning fixture block 16 which are matched with the inserted link 14 are fixedly connected with the left end and the right end of the fixed protective cover 10 from top to bottom in sequence, a first limit groove 17 is arranged on the outer side of the inserted link 14, a third elastic element 18 is fixedly connected with the first limit block 19 in the first limit groove 17, a circular groove 20 is arranged on the outer side of the end cover 6, and a sealing ring 21 is fixedly connected with the inner side of the circular groove 20.

In addition, set up annular equidistance distribution's mounting hole 22 on the end cover 6, heat preservation 2 and buffer unit 7 surface all are provided with anticorrosive coating, and second spacing groove 23 has all been seted up to shell body 1 upper and lower both ends inner wall, fixedly connected with fourth elastic element 24 in the second spacing groove 23, and the second stopper 25 that fourth elastic element 24 outside fixedly connected with and filter screen 9 block are connected.

The side structure of the flowmeter is schematically shown in fig. 3, and the enlarged structure of a in fig. 2 is schematically shown in fig. 4.

Use this technical scheme's flow timing, install end cover 6 on the pipeline, the medium conveys from the 6 left ends of end cover to the right end, upwards pull insert rod 14, under the effect of second elastic element 12 in recess 11, upwards promote lift protection casing 13, expose flow display 4, the medium is filtered through filter screen 9, impeller 5 is rotatory, the magnetic flux of coil is being changed to the periodicity, thereby make coil both ends induction department electric pulse model, through detecting head 3, show the result on flow display 4, heat preservation 2 plays thermal-insulated heat retaining effect, avoid overheated or super-cooled to cause the flowmeter to damage, fixed protection casing 10 and lift protection casing 13 protect detecting head 3 and flow display 4.

Claims (7)

1. A high-precision high-protection type flowmeter comprises an outer shell, a heat insulation layer fixed on the outer side of the outer shell, a detection head fixed at the upper end of the heat insulation layer, a flow display installed at the upper end of the detection head, impellers arranged in the outer shell and end covers installed at the left end and the right end of the outer shell; the improved multifunctional testing device is characterized in that a buffer assembly is installed on the outer side of the lower end of the heat preservation layer, positioning blocks are symmetrically distributed in the front and back of the fixedly connected with in the inner left side of the outer shell, a filter screen attached to the inner wall of the outer shell is arranged at the left end of each positioning block, the fixedly connected with in the upper end of the heat preservation layer is used for protecting a fixed protective cover of the testing head, grooves distributed in an annular equal distance are formed in the upper end of the fixed protective cover, a second elastic element is fixedly connected in each groove, a lifting protective cover is fixedly connected in the upper end of the second elastic element, and inserting rods are fixedly connected in the left end and the right end of the lifting protective cover.

2. The flowmeter of claim 1, wherein the damping assembly comprises a first elastic element, and a crash-proof plate fixed outside the first elastic element and concentric with the insulating layer.

3. The flowmeter of claim 1, wherein the first and second positioning clips are fixedly connected to the left and right ends of the fixed shield from top to bottom.

4. The high-precision high-defense type flowmeter according to claim 1, wherein a first limiting groove is formed in the outer side of the inserted link, a third elastic element is fixedly connected in the first limiting groove, and a first limiting block is fixedly connected to the outer side of the third elastic element.

5. The high-precision high-protection type flowmeter as claimed in claim 1, wherein an annular groove is formed in the outer side of the end cover, and a seal ring is fixedly connected in the annular groove.

6. The high-precision high-defense type flowmeter as claimed in claim 1, wherein the end cover is provided with annular mounting holes distributed at equal intervals, and the surfaces of the heat-insulating layer and the buffer component are provided with anti-corrosion coatings.

7. The high-precision high-defense type flowmeter according to claim 1, wherein the inner walls of the upper end and the lower end of the outer casing are provided with second limiting grooves, a fourth elastic element is fixedly connected in the second limiting grooves, and a second limiting block which is connected with the filter screen in a clamping manner is fixedly connected to the outer side of the fourth elastic element.

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