CN216978073U

CN216978073U - Water meter calibration device

Info

Publication number: CN216978073U
Application number: CN202220892936.XU
Authority: CN
Inventors: 谈未讯; 姜宇; 霍英豪
Original assignee: Liaoning West Technology Co ltd
Current assignee: Liaoning West Technology Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-07-15
Anticipated expiration: 2032-04-18

Abstract

The utility model discloses a water meter calibration device, which comprises a water circulation mechanism and a calibration mechanism, wherein the water circulation mechanism comprises a bottom plate, a floating plate and a water pump, water tanks are symmetrically arranged on the surface of the top of the bottom plate, the interiors of the two water tanks are hollow, an upper mounting table is arranged on the upper surface of the water tank, a movable shaft is slidably mounted in the upper mounting table and penetrates through the upper mounting table, scribed lines are uniformly engraved on the surface of the movable shaft, a limiting plate is arranged on the top of the movable shaft, the limiting plate is arranged above the outer side of the water tank, the floating plate is arranged in the water tank, a through groove is formed in the surface of the floating plate, the lower end of the movable shaft is mounted on the floating plate, the water meter can be repeatedly calibrated, the water flow for calibration can be recycled, the waste of water resources is reduced, and the water level change and the actual change of the water meter in the water tank can be observed at any time, and the accuracy of the water meter value is judged through the variation difference of the two.

Description

Water meter calibration device

Technical Field

The utility model belongs to the technical field of water meter calibration, and particularly relates to a water meter calibration device.

Background

The water meter is an instrument for measuring water flow, mostly the accumulated flow measurement of water, generally divided into a positive displacement water meter and a speed water meter, originated in the uk, the development of the water meter has a history of nearly two hundred years, when selecting the specification of the water meter, the size and the flow range of the used flow under normal conditions are firstly estimated, then the water meter with the specification of which the common flow is closest to the value is selected as a first choice, in order to ensure the precision of the water meter, the factory needs to check the water meter, and the water meter still needs to be regularly checked when in use. At present, a static volume method is generally adopted for water meter calibration, water flowing through a water meter is injected into a container, the water quantity of the container is statically read, and the water quantity is compared with the water quantity displayed by the water meter to determine the indication value error of the water meter, however, at present, water resources are increasingly scarce, a large amount of water is required during water meter calibration, and repeated calibration is required to ensure accurate calibration.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a water meter calibration device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a water meter calibration device comprises a water circulation mechanism and a calibration mechanism, wherein the water circulation mechanism comprises a bottom plate, a floating plate and a water pump, water tanks are symmetrically arranged on the surface of the top of the bottom plate, the two water tanks are hollow, an upper mounting table is arranged on the upper surface of the water tank, a movable shaft is slidably mounted inside the upper mounting table and penetrates through the upper mounting table, scribed lines are uniformly carved on the surface of the movable shaft, a limiting plate is arranged on the top of the movable shaft, the limiting plate is arranged above the outer side of the water tank, the floating plate is arranged inside the water tank, a through groove is formed in the surface of the floating plate, the lower end of the movable shaft is mounted on the floating plate, the floating plate is matched with the inner size of the water tank, the calibration mechanism comprises a mounting cylinder and a ball valve, connecting pipelines are symmetrically mounted on the two sides of the mounting cylinder through threads, the connecting pipelines are L-shaped and penetrate through the water tank, the connecting pipeline runs through the through groove, the inner lower part of the water tank is arranged at one end of the connecting pipeline deviating from the installation barrel, and the arc surface of the installation barrel is provided with the water meter to be tested.

Preferably, the water pump symmetry is installed at the bottom plate upper surface, two the water pump is all arranged in two between the water tank, water pipe A is installed to water pump output shaft end, water pipe A deviates from the one end of water pump and installs at the connecting tube lower surface, just water pipe A link up with the connecting tube is inside.

Preferably, water pipe B is installed to the water pump input shaft end, water pipe B runs through the water tank, the one end that water pipe B deviates from the water pump is provided with the filter, the one end internally mounted that water pipe B is close to the filter has the check valve.

Preferably, the connecting pipeline and the water pipe A are internally provided with an inner mounting seat, the ball valve is arranged in the inner mounting seat, the lower surface of the ball valve is provided with a water inlet, and the water inlet is communicated with the inside of the water pipe A.

Preferably, three drain holes are uniformly formed in the surface of the ball valve, and the three drain holes are communicated with the inside of the water inlet hole.

Preferably, the three drain holes are vertically formed, and the drain holes are communicated with the interior of the connecting pipeline.

Preferably, a control shaft is arranged above the ball valve, the control shaft penetrates through the inner mounting seat and the connecting pipeline main body, and a handle is arranged at one end, deviating from the ball valve, of the control shaft.

Preferably, the bottom of the bottom plate is symmetrically provided with support legs.

Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a water meter calibration device, which can repeatedly calibrate a water meter and ensure that the water flow for calibration can be recycled so as to reduce the waste of water resources, can constantly judge the accuracy of the numerical value of the water meter by observing the water level change in a water tank and the actual change of the water meter and by the change difference of the water level change and the actual change of the water meter, can reversely operate after the single measurement is finished, can realize the reversion of the water meter in the process of water backflow, can reduce the step of returning to zero if the numerical value of the water meter is correct, and improves the efficiency and the accuracy of calibration.

Drawings

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

FIG. 2 is a longitudinal cross-sectional elevation view of the present invention;

FIG. 3 is a schematic view of the floating plate structure of the present invention;

FIG. 4 is an enlarged view of area A of FIG. 2 in accordance with the present invention;

fig. 5 is a transverse top cross-sectional view of the gas valve of the present invention.

In the figure: 1. a water circulation mechanism; 101. a base plate; 102. a support leg; 103. a water tank; 104. an upper mounting table; 105. a movable shaft; 106. scribing lines; 107. a limiting plate; 108. a floating plate; 109. a through groove; 110. a water pump; 111. a water pipe A; 112. a water pipe B; 113. a filter plate; 114. a one-way valve; 2. a checking mechanism; 201. mounting the cylinder; 202. a water meter to be tested; 203. connecting a pipeline; 204. an inner mounting seat; 205. a ball valve; 206. a water inlet hole; 207. a drain hole; 208. a control shaft; 209. a handle.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: a water meter calibration device comprises a water circulation mechanism 1 and a calibration mechanism 2, wherein the water circulation mechanism 1 comprises a bottom plate 101, a floating plate 108 and a water pump 110, water tanks 103 are symmetrically arranged on the top surface of the bottom plate 101, the interiors of the two water tanks 103 are hollow, an upper mounting platform 104 is arranged on the upper surface of the water tank 103, a movable shaft 105 is slidably mounted in the upper mounting platform 104, the movable shaft 105 penetrates through the upper mounting platform 104, scribed lines 106 are uniformly engraved on the surface of the movable shaft 105, a limiting plate 107 is arranged on the top of the movable shaft 105, the limiting plate 107 is arranged above the outer side of the water tank 103, the floating plate 108 is arranged in the water tank 103, a through groove 109 is formed in the surface of the floating plate 108, the lower end of the movable shaft 105 is mounted on the floating plate 108, the floating plate 108 is matched with the inner size of the water tank 103, the calibration mechanism 2 comprises a mounting cylinder 201 and a ball valve 205, connecting pipeline 203 is symmetrically mounted on the two sides of the mounting cylinder 201 through threads, the connecting pipeline 203 is L-shaped, the connecting pipeline 203 penetrates through the water tank 103, the connecting pipeline 203 penetrates through the through groove 109, one end, away from the mounting cylinder 201, of the connecting pipeline 203 is arranged below the inner portion of the water tank 103, and the water meter 202 to be tested is mounted on the arc surface of the mounting cylinder 201.

In order to ensure that the inside of the device can be smoothly started when the water pump 110 on one side is started, in this embodiment, preferably, the water pumps 110 are symmetrically installed on the upper surface of the base plate 101, the two water pumps 110 are both arranged between the two water tanks 103, the output shaft end of the water pump 110 is provided with a water pipe a111, one end of the water pipe a111 departing from the water pumps 110 is installed on the lower surface of the connecting pipeline 203, and the water pipe a111 is communicated with the inside of the connecting pipeline 203.

In order to ensure that water flow cannot flow out through the water pump 110 on the other side after the water pump 110 on one side is started, so as to ensure the direction of the internal water flow, in the present embodiment, preferably, a water pipe B112 is installed at the input shaft end of the water pump 110, the water pipe B112 penetrates through the water tank 103, a filter plate 113 is arranged at one end of the water pipe B112 away from the water pump 110, and a check valve 114 is installed inside one end of the water pipe B112 close to the filter plate 113.

In order to control the unobstructed internal water flow by controlling the rotation angle of the ball valve 205, so as to switch the flow direction of the water flow, in this embodiment, preferably, an inner mounting base 204 is arranged inside the joint of the connecting pipe 203 and the water pipe a111, the ball valve 205 is arranged inside the inner mounting base 204, a water inlet 206 is formed in the lower surface of the ball valve 205, the water inlet 206 is communicated with the inside of the water pipe a111, three drain holes 207 are uniformly formed in the surface of the ball valve 205, the three drain holes 207 are communicated with the inside of the water inlet 206, the three drain holes 207 are vertically formed, and the drain holes 207 are communicated with the inside of the connecting pipe 203.

In order to more conveniently control the rotation angle of the ball valve 205, in this embodiment, it is preferable that a control shaft 208 is disposed above the ball valve 205, the control shaft 208 penetrates through the inner mounting seat 204 and the main body of the connecting pipe 203, and a handle 209 is disposed at an end of the control shaft 208 away from the ball valve 205.

In order to ensure that the bottom plate 101 can be horizontal, and thus the water flow inside the water tanks 103 on both sides can be kept horizontal, so as to ensure the accuracy of the change value of the scribed lines 106, it is preferable that the bottom of the bottom plate 101 is symmetrically provided with the legs 102.

The working principle and the using process of the utility model are as follows: after the water meter inspection device is installed, firstly, the installation fixing and the safety protection of the water meter inspection device are checked, then the water meter inspection device can be used, firstly, the inside of one water tank 103 is filled with water, as the water in the water tank 103 can float the floating plate 108 to a certain height, the connecting pipeline 203 penetrates through the through groove 109, the floating plate 108 can be ensured to move up and down when being subjected to buoyancy, so that the floating plate 108 can be ensured to vertically move up and down in the water tank 103, the movable shaft 105 is driven to vertically move through the upper installation platform 104, so that the height of the water level in the water tank 103 is judged by penetrating through the scribed line 106, then, the water meter to be inspected 202 is installed on the installation barrel 201, the water meter to be inspected 202 can be driven to operate when water flows through the inside the installation barrel 201, meanwhile, the installation barrel 201 is ensured to be respectively connected with the connecting pipelines 203 at two ends, the inside is ensured to be communicated, and when the water tank 103 at the left side is filled with water, the ball valve 205 can be controlled to rotate by controlling the control shafts 208 at two ends The water inlet holes 206 at both ends are always communicated with the water pipes A111 at both ends, the ball valve 205 at the left end can be rotated to ensure that two of the three water outlet holes 207 are symmetrical and can not be communicated with each other, while the other is communicated with one end of the connecting pipe 203 close to the mounting cylinder 201, while the ball valve 205 at the right end is rotated to ensure that two water outlet holes 207 symmetrical with each other are communicated with each other and the other can not be communicated with each other, so as to ensure the stroke path of the connecting pipe 203 at the right end, and because of the existence of the one-way valve 114, even if the water pump 110 at one end does not work, the water flow can not flow reversely through the water pipe B112, then the water pump 110 at the left end is started, when the water pump 110 at the left end works, the water flow in the water tank 103 at the left end can be pumped out after being filtered by the filter plate 113 through the water pipe B112 and can enter the connecting pipe 203, and simultaneously because of the ball valve 205 adjusted in advance can ensure that the water flow moves towards the mounting cylinder 201 in the connecting pipe 203, the water flow can not flow back to the left water tank 103, the water flow can pass through the water meter to be checked 202 and then pass through the water tank 103 on the right side of the flow channel of the ball valve 205 which is adjusted in advance on the right side, smooth flow of the flow channel is realized, the water level height inside the right water tank 103 is judged by observing the right scribed line 106 and is combined with the numerical value of the water meter to be checked 202, whether the numerical value of the water meter to be checked 202 is accurate is verified, after the measurement is finished, the flow can be operated reversely, reverse water flow is carried out, meanwhile, the water flow inside the water tank 103 is enabled to realize circulation, the accuracy of the water meter to be checked 202 can be verified reversely, the water meter to be checked 202 returns to an initial state after the measurement is finished, the operation of returning to zero is reduced, and the checking efficiency is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a water gauge calibration equipment, includes water circulation mechanism (1) and calibration mechanism (2), its characterized in that: the water circulation mechanism (1) comprises a bottom plate (101), a floating plate (108) and a water pump (110), wherein the water tank (103) is symmetrically arranged on the top surface of the bottom plate (101), the water tank (103) is hollow inside, an upper surface of the water tank (103) is provided with an upper mounting table (104), a movable shaft (105) is arranged inside the upper mounting table (104) in a sliding manner, the movable shaft (105) penetrates through the upper mounting table (104), scribed lines (106) are uniformly carved on the surface of the movable shaft (105), a limiting plate (107) is arranged on the top of the movable shaft (105), the limiting plate (107) is arranged above the outer side of the water tank (103), the floating plate (108) is arranged inside the water tank (103), a through groove (109) is formed in the surface of the floating plate (108), the lower end of the movable shaft (105) is arranged on the floating plate (108), and the floating plate (108) is matched with the inner size of the water tank (103), check up mechanism (2) are including installation section of thick bamboo (201) and ball valve (205), connecting tube (203) is installed through the screw thread symmetry to installation section of thick bamboo (201) both sides, connecting tube (203) shape is L shape, connecting tube (203) run through water tank (103), connecting tube (203) run through groove (109), the inside below of water tank (103) is arranged in to the one end that connecting tube (203) deviates from installation section of thick bamboo (201), installation section of thick bamboo (201) circular arc surface mounting has water gauge (202) of waiting to be tested.

2. A water meter calibration device as set forth in claim 1, wherein: water pump (110) symmetry is installed at bottom plate (101) upper surface, two water pump (110) all is arranged in two between water tank (103), water pipe A (111) are installed to water pump (110) output shaft end, water pipe A (111) deviate from the one end of water pump (110) and install at connecting tube (203) lower surface, just water pipe A (111) link up with connecting tube (203) is inside.

3. A water meter calibration device as set forth in claim 2, wherein: water pipe B (112) is installed to water pump (110) input shaft end, water pipe B (112) run through water tank (103), the one end that water pipe B (112) deviates from water pump (110) is provided with filter (113), the one end internally mounted that water pipe B (112) are close to filter (113) has check valve (114).

4. A water meter calibration device as set forth in claim 3, wherein: connecting tube (203) and water pipe A (111) junction are inside to be provided with interior mount pad (204), inside mount pad (204) including ball valve (205) are arranged in, inlet opening (206) have been seted up to ball valve (205) lower surface, inlet opening (206) and water pipe A (111) are inside to link up.

5. A water meter calibration device as set forth in claim 4, wherein: three drain holes (207) are uniformly formed in the surface of the ball valve (205), and the three drain holes (207) are communicated with the inside of the water inlet hole (206).

6. A water meter calibration device as set forth in claim 5, wherein: the three drain holes (207) are vertically formed, and the drain holes (207) are communicated with the inside of the connecting pipeline (203).

7. A water meter calibration device as set forth in claim 6, wherein: a control shaft (208) is arranged above the ball valve (205), the control shaft (208) penetrates through the inner mounting seat (204) and the main body of the connecting pipeline (203), and a handle (209) is arranged at one end, deviating from the ball valve (205), of the control shaft (208).

8. A water meter calibration device as set forth in claim 1, wherein: the bottom of the bottom plate (101) is symmetrically provided with supporting legs (102).