CN213895369U

CN213895369U - Filtering structure for large-diameter water meter

Info

Publication number: CN213895369U
Application number: CN202021198465.XU
Authority: CN
Inventors: 唐广勇
Original assignee: Tianjin Kingleed Valve Co ltd
Current assignee: Tianjin Kingleed Valve Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-08-06
Anticipated expiration: 2030-06-24

Abstract

The utility model provides a filtration for heavy-calibre water gauge, its characterized in that includes filtering mechanism, filtering mechanism is by the straight tube, the filter tube, the blind flange, strain a section of thick bamboo, the filtration pore, meticulous filter screen, the clearance subassembly, collect the subassembly and constitute, through add filtering mechanism on the inlet tube, make this application novel structure, the operation is convenient, not only can filter the impurity in the rivers, and can clear up fast impurity in the filtering mechanism, need not dismantle whole mechanism, time saving and labor saving, labour and the work degree of difficulty have been reduced for the staff, clear up filtering mechanism, can effectively avoid impurity to block up filtering mechanism, avoid filtering mechanism to appear the poor condition emergence of filter effect, the flexibility and the practicality of use have been improved.

Description

Filtering structure for large-diameter water meter

Technical Field

The utility model relates to a water gauge technical field especially relates to filtration for heavy-calibre water gauge.

Background

The large-caliber water meter is an instrument for measuring water flow, is mostly used for measuring the accumulated flow of water, is generally divided into a positive displacement water meter and a speed water meter, originates from England, has nearly two hundred years of history in the development of the water meter, and when the specification of the water meter is selected, the size and the flow range of the used flow under the normal condition are firstly estimated, and then the water meter with the specification of which the common flow is closest to the value is selected as the first choice;

the water meter is small in size and used for being mounted on a pipeline to record the flow of liquid circulation, the use is very convenient, but the water meter is easy to accumulate impurities in long-term operation engineering, so that the pipeline is blocked and cannot be cleaned, and the measurement accuracy of the water meter is influenced by the inflow of the impurities into the water meter, so that the measurement is inaccurate;

through retrieval, the patent of a water meter with a filtering function, which is published by the application number of CN201620458952.2, is characterized in that a first filtering chamber is arranged on a water inlet pipe, a first filtering layer and a second filtering layer are sequentially arranged at the position, close to a meter shell, in the first filtering chamber, and a sewage discharge valve is arranged at the bottom of the first filtering chamber, so that the water meter body has the advantage of filtering tap water, and the step-by-step filtering is performed, so that impurities in the tap water are fully filtered, the measurement precision of the water meter body is higher, the measurement is more accurate, a user can conveniently clean the interior of the water meter body, and the blockage of the water meter body caused by long-term impurity accumulation is avoided;

the following drawbacks remain for the above patents: in the above-mentioned patent, impurity through the filtering layer is opened and is let out dirty valve and carry out the blowdown, when rivers pass from the filtering layer, its inside large granule impurity blocks the surface at the filtering layer, make it adsorb on the filtering layer surface, open and let out dirty valve, only some impurity landing is to letting out dirty valve, but still leave large granule impurity on the filtering layer surface, if the untimely clean up of impurity on surface, make impurity adsorb on the filtering layer surface for a long time, cause the filter effect of filtering layer to descend, the later stage needs the manual work to dismantle the clearance with the filtering layer, this has just increased labour and the work degree of difficulty for the staff, therefore, the clearance structure of a filtration of urgent need, for this, we propose filtration for the heavy-calibre water gauge.

Disclosure of Invention

According to the technical problem, the utility model provides a large-diameter is filtration structure for water gauge, including inlet tube, filter ball, ball-type filter screen, filter layer, upper ring room, measurement dial plate, outlet pipe, its characterized in that includes filtering mechanism, and the left end of water meter shell has seted up the water inlet, and the water inlet is connected with the inlet channel, install filtering mechanism on the inlet channel, the right side wall of water meter shell has seted up the delivery port, and the delivery port is connected with the outlet channel, and the inside of water meter shell is provided with upper ring room and lower ring room respectively, the top of upper ring room is provided with the measurement dial plate, the inside filter ball that is provided with of lower ring room, the filter ball is the ball-type filter screen, the filter layer is installed to the upside of filter ball;

the filter mechanism comprises a straight pipe, a filter pipe, a flange cover, a filter cartridge, filter holes, a fine filter screen, a cleaning assembly and a collecting assembly, wherein the outer side wall of the water inlet pipe is provided with threads, the straight pipe is installed on the water inlet pipe through the threads, the filter pipe is installed at the bottom of the straight pipe, one end of the filter pipe is communicated with the straight pipe, the filter pipe and the straight pipe are of an integral structure, the flange cover is installed at the other end of the filter pipe, the filter cartridge is installed in the filter pipe, the filter holes are formed in the side wall of the filter cartridge, the number of the filter holes is M, the M is not less than 2, the fine filter screen is installed on the side wall of the filter holes, one end of the filter cartridge extends into the straight pipe and is connected with the inner side wall of the straight pipe, the other end of the filter cartridge is connected with the flange cover, the filter cartridge and the flange cover are vertically installed, the left end and the right end of the flange cover are respectively provided with through holes, the cleaning assembly is installed in the through holes and extends between the outer side wall of the filter cartridge and the inner side wall of the filter pipe, a collecting assembly is arranged inside the flange cover;

the cleaning assembly comprises a pulling plate, a pulling ring, a mounting plate and a brush, the pulling plate is mounted through holes penetrating through two ends of the flange cover and is of a U-shaped structure, a gasket is arranged between the pulling plate and the through holes, the mounting plate is mounted on the side wall of the pulling plate, a groove is formed in the mounting plate, the brush plate is mounted in the groove through bolts, the number of the brush plates is N, N is more than or equal to 2, the pulling ring is mounted at the bottom of each brush plate, and the pulling ring and the pulling plate are of an integral structure;

the collecting assembly is composed of a collecting tank, a blow-off pipe and a blow-off cover, the collecting tank is arranged inside the flange cover, the diameter of the collecting tank is larger than that of the filter cylinder, a blow-off port is arranged at the bottom of the collecting tank and connected with the blow-off pipeline, threads are arranged on the inner side wall of the blow-off pipe, and the blow-off cover is arranged at the blow-off end of the blow-off pipe through threads.

The utility model has the advantages that: the utility model discloses an add filter mechanism on the inlet tube for this application novel structure, the simple operation not only can filter the impurity in the rivers, can clear up the impurity in the filter mechanism fast moreover, need not dismantle whole mechanism, labour saving and time saving has reduced labour and the work degree of difficulty for the staff, clears up the filter mechanism, can effectively avoid impurity to block up the filter mechanism, avoids the filter mechanism to appear the condition emergence that the filter effect is poor, has improved flexibility and the practicality of use;

the utility model discloses the straight tube and filter tube have been increased on the inlet tube to set up a filter cartridge in the filter tube, and the top of straining a section of thick bamboo contacts with the inside wall of straight tube, make rivers get into from the straight tube and strain a section of thick bamboo and filter, the rivers after filtering flow out from the filtration pore and get into the inside of water meter case, and, be provided with meticulous filter screen in straining a section of thick bamboo, can hold back the tiny particle impurity, wherein strain a section of thick bamboo filtration pore can hold back the large granule impurity, make the filter mechanism can effectively block the large granule impurity and the tiny particle impurity in the rivers;

the utility model discloses increased the clearance subassembly between filter tube and filter cylinder, passed the through-hole with the pull board and extended to the filter tube inside, grasped the pull ring through the staff and slided along the axial direction of filter cylinder, drive the brush on its lateral wall and slide, the brush can clear up the impurity that adsorbs on filter hole and meticulous filter screen inside wall when sliding, realized the quick clearance of impurity, need not dismantle the clearance to filter cylinder, easy operation convenient and fast, labour saving and time saving;

the utility model discloses set up collecting vat, blow off pipe and blowdown lid in the inside of blind flange, realized the concentrated collection and the emission of impurity, because blind flange and strain a section of thick bamboo for the vertical installation, so can know, the collecting vat is the slope form for the position of blind flange, makes the collecting vat be the slope form, and the impurity landing under the clearance is to the sewage pipes, and discharges from the sewage pipes;

in conclusion, the mechanism integrates four functions of filtering, cleaning, collecting and discharging, is simple in operation process, and saves time and labor.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the filtering mechanism of the present invention;

FIG. 3 is an enlarged view of the position A of the present invention;

fig. 4 is an enlarged view of the position B of the present invention.

As shown in the figure, the device comprises a filtering mechanism 1, a straight pipe 1-1, a filtering pipe 1-2, a flange cover 1-3, a filtering cylinder 1-4, a filtering hole 1-5, a fine filtering screen 1-6, a drawing plate 1-7, a drawing ring 1-71, a mounting plate 1-72, a brush 1-73, a collecting tank 1-8, a sewage discharge pipe 1-81, a sewage discharge cover 1-82, a water inlet pipe 2, a filtering ball 3, a spherical filtering screen 4, a filtering layer 5, a ring chamber 6, a metering dial plate 7 and a water outlet pipe 8.

Detailed Description

Example 1

The utility model provides a filtration structure for large-diameter water meter, including inlet tube 2, filter ball 3, spherical filter screen 4, filter layer 5, fit with a contraceptive ring room 6, measurement dial plate 7, outlet pipe 8, its characterized in that includes filter mechanism 1, the left end of water meter shell has seted up the water inlet, the water inlet is connected with inlet tube 2 way, install filter mechanism 1 on inlet tube 2 way, the right side wall of water meter shell has seted up the delivery port, the delivery port is connected with outlet pipe 8 way, the inside of water meter shell is provided with upper ring room 6 and lower ring room respectively, the top of fitting with a contraceptive ring room 6 is provided with measurement dial plate 7, the inside filter ball 3 that is provided with of lower ring room, filter ball 3 is spherical filter screen 4, the upside of filter ball 3 is installed filter layer 5;

the filtering mechanism 1 comprises straight pipes 1-1, filtering pipes 1-2, flange covers 1-3, filtering cylinders 1-4, filtering holes 1-5, fine filtering nets 1-6, a cleaning assembly and a collecting assembly, wherein the outer side wall of the water inlet pipe 2 is provided with threads, the straight pipe 1-1 is installed on the water inlet pipe 2 through threads, the filtering pipes 1-2 are installed at the bottom of the straight pipe 1-1, one end of each filtering pipe 1-2 is communicated with the straight pipe 1-1, the filtering pipes 1-2 and the straight pipe 1-1 are of an integral structure, the flange covers 1-3 are installed at the other ends of the filtering pipes 1-2, the filtering cylinders 1-4 are installed in the filtering pipes 1-2, the filtering holes 1-5 are formed in the side walls of the filtering cylinders 1-4, the number of the filtering holes 1-5 is M, the M is not less than 2, the fine filtering nets 1-6 are installed on the side walls of the filtering holes 1-5, one end of a filter cartridge 1-4 extends into the straight pipe 1-1 and is connected with the inner side wall of the straight pipe 1-1, the other end of the filter cartridge 1-4 is connected with a flange cover 1-3, the filter cartridge 1-4 and the flange cover 1-3 are vertically arranged, the left end and the right end of the flange cover 1-3 are respectively provided with a through hole, a cleaning assembly is arranged in each through hole and extends to a position between the outer side wall of the filter cartridge 1-4 and the inner side wall of the filter pipe 1-2, and a collecting assembly is arranged inside the flange cover 1-3;

the cleaning assembly comprises a pull plate 1-7, a pull ring 1-71, a mounting plate 1-72 and a brush 1-73, the pull plate 1-7 is mounted through a through hole penetrating through two ends of the flange cover, the pull plate 1-7 is of a U-shaped structure, a gasket is arranged between the pull plate 1-7 and the through hole, the mounting plate 1-72 is mounted on the side wall of the pull plate 1-7, a groove is formed in the mounting plate 1-72, the brush 1-73 is mounted in the groove through bolts, the number of the brush 1-73 is N, N is not less than 2, the pull ring 1-71 is mounted at the bottom of the brush 1-73, and the pull ring 1-71 and the pull plate 1-7 are of an integral structure;

the collecting component consists of a collecting tank 1-8, a sewage pipe 1-81 and a sewage cover 1-82, the collecting tank 1-8 is arranged inside the flange cover 1-3, the diameter of the collecting tank 1-8 is larger than that of the filter cartridge 1-4, a sewage outlet is arranged at the bottom of the collecting tank 1-8 and is connected with the sewage pipe 1-81, the inner side wall of the sewage pipe 1-81 is provided with threads, and the sewage end of the sewage pipe 1-81 is provided with the sewage cover 1-82 through threads.

Example 2

The filter ball 3, the spherical filter screen 4, the filter layer 5, the upper ring chamber 6 and the metering dial plate 7 related in the application are all the prior art;

when the utility model is used, the water flow in the water inlet pipe 2 enters the filtering structure to be filtered, then enters the water meter shell to adsorb metal ions in the water flow through the filtering ball 3, the filtering layer 5 filters micro particulate matter impurities in the water flow, the metering dial plate 7 can count the water flow, and after being filtered by the filtering ball 3 and the filtering layer 5, the water flow enters the upper ring chamber 6 through the lower ring chamber and is discharged from the water outlet pipe 8;

water flow enters a filter cylinder 1-4 from a straight pipe 1-1 to be filtered, the filtered water flow flows out of a filter hole 1-5 to enter the interior of a water meter shell, a fine filter screen 1-6 is arranged in the filter hole 1-5 of the filter cylinder 1-4 and can intercept small-particle impurities, large-particle impurities can be intercepted by the filter hole 1-5 of the filter cylinder 1-4, the filter mechanism 1 can effectively block the large-particle impurities and the small-particle impurities in the water flow, after the filter mechanism 1 achieves a period of time, the impurities in the filter cylinder 1-4 are cleaned by a cleaning assembly, a worker grasps a pull ring 1-71 to slide along the axial direction of the filter cylinder 1-4 to drive a brush 1-73 on the side wall to slide, and the brush 1-73 can clean the impurities attached to the inner side walls of the filter hole 1-5 and the fine filter screen 1-6 while sliding The rapid cleaning of impurities is realized, the filter cartridge 1-4 does not need to be disassembled and cleaned, the operation is simple, convenient, rapid and time-saving, the concentrated collection and discharge of the impurities are realized through the collection tank 1-8, the drain pipe 1-81 and the drain cover 1-82 which are arranged in the flange cover 1-3, and the flange cover 1-3 and the filter cartridge 1-4 are vertically arranged, so that the positions of the collection tank 1-8 relative to the flange cover 1-3 are inclined, the collection tank 1-8 is inclined, the cleaned impurities slide to the drain pipe 1-81 and are discharged from the drain pipe 1-81;

in conclusion, the mechanism integrating four functions of filtering, cleaning, collecting and discharging is simple in operation process, time-saving and labor-saving, not only improves the filtering efficiency of water flow, but also improves the cleaning efficiency of impurities.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. The utility model discloses each part that mentions is the common technique in prior art, and the technical personnel of this trade should understand, the utility model discloses do not receive the restriction of above-mentioned embodiment, the description only is the explanation in above-mentioned embodiment and the description the principle of the utility model, under the prerequisite that does not deviate from the spirit and the scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the protection of claim the utility model is within the scope. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The filtering structure for the large-diameter water meter comprises a water inlet pipe, a filtering ball, a spherical filtering net, a filtering layer, an upper ring chamber, a metering dial plate and a water outlet pipe, and is characterized by comprising a filtering mechanism, wherein the left end of a water meter shell is provided with a water inlet which is connected with a water inlet pipeline, the water inlet pipeline is provided with the filtering mechanism, the right side wall of the water meter shell is provided with a water outlet which is connected with a water outlet pipeline, the inside of the water meter shell is respectively provided with the upper ring chamber and a lower ring chamber, the top of the upper ring chamber is provided with the metering dial plate, the inside of the lower ring chamber is provided with the filtering ball, the filtering ball is the spherical filtering net, and the;

the filter mechanism comprises a straight pipe, a filter pipe, a flange cover, a filter cartridge, filter holes, a fine filter screen, a cleaning assembly and a collecting assembly, wherein the outer side wall of the water inlet pipe is provided with threads, the straight pipe is installed on the water inlet pipe through the threads, the filter pipe is installed at the bottom of the straight pipe, one end of the filter pipe is communicated with the straight pipe, the flange cover is installed at the other end of the filter pipe, the filter cartridge is installed in the filter pipe, the filter holes are formed in the side wall of the filter cartridge, the fine filter screen is installed on the side wall of the filter holes, one end of the filter cartridge extends into the straight pipe and is connected with the inner side wall of the straight pipe, the other end of the filter cartridge is connected with the flange cover, the filter cartridge and the flange cover are vertically installed, through holes are respectively formed in the left end and the right end of, a collecting assembly is arranged inside the flange cover;

the cleaning assembly comprises a drawing plate, a drawing ring, an installation plate and a brush, the drawing plate is installed through holes penetrating through two ends of the flange cover, a gasket is arranged between the drawing plate and the through holes, the installation plate is installed on the side wall of the drawing plate, a groove is formed in the installation plate, the brush plate is installed in the groove through a bolt, and the drawing ring is installed at the bottom of the brush plate;

2. A filter construction for a large diameter water meter as defined in claim 1, wherein said filter tube is integrally formed with said straight tube.

3. The filter structure for a large-caliber water meter according to claim 1, wherein the number of the filter holes is M, M is more than or equal to 2.

4. The filter structure for a large-caliber water meter according to claim 1, wherein the pull plate is of a "U-shaped" structure.

5. The filter structure for a large-caliber water meter according to claim 1, wherein the number of the brush plates is N, N is 2 or more.

6. The filter structure for a large diameter water meter according to claim 1, wherein said pull ring and pull plate are of an integral structure.