CN215524740U

CN215524740U - Mechanical water meter with metering auxiliary tool

Info

Publication number: CN215524740U
Application number: CN202122122234.1U
Authority: CN
Inventors: 孙胜; 李裕宁; 王新
Original assignee: Kaifeng Shengda Water Meter Co ltd
Current assignee: Kaifeng Shengda Water Meter Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-01-14
Anticipated expiration: 2031-09-03

Abstract

The utility model belongs to the technical field of water meters, in particular to a mechanical water meter with a metering auxiliary tool, which aims at solving the problems that most of the existing mechanical water meters are not provided with a device capable of limiting an impeller, when the phenomenon of backflow occurs in the water supply process, the impeller is easy to rotate reversely, so that the metering result is influenced, and the reading of the water meter has a large error. The utility model has simple structure, can limit the impeller by arranging the limiting mechanism and the backflow preventing mechanism, ensures that the impeller can only rotate in one direction, prevents the impeller from rotating, influences the metering and simultaneously has the function of preventing backflow.

Description

Mechanical water meter with metering auxiliary tool

Technical Field

The utility model relates to the technical field of water meters, in particular to a mechanical water meter with a metering auxiliary tool.

Background

The mechanical water meter is a special meter for measuring water flow, and the general water meter uses the kinetic energy produced by water flowing in air flow to drive impeller to rotate so as to drive meter to start metering.

The existing most of mechanical water meters are not provided with a device capable of limiting the impeller, and when the backflow phenomenon occurs in the water supply process, the impeller is easy to rotate reversely, so that the metering result is influenced, and the reading of the water meter has a large error.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that most of the existing mechanical water meters are not provided with a device capable of limiting an impeller, when the backflow phenomenon occurs in the water supply process, the impeller is easy to rotate reversely, so that the metering result is influenced, and the reading of the water meter has a large error.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a mechanical water meter who possesses measurement appurtenance, includes the table body, one side fixed mounting of the table body has the inlet tube, the opposite side fixed mounting of the table body has the outlet pipe, equal fixed mounting has the joint on outlet pipe and the inlet tube, the top fixed mounting of the table body has the protecting crust, fixed mounting has the dial plate on the inner wall of protecting crust, fixed mounting has hollow post on the bottom inner wall of the table body, rotate on the bottom inner wall of hollow post and install the dwang, be provided with stop gear on the dwang, fixed mounting has the impeller on the dwang, equal fixed mounting has the filter screen on the inner wall of inlet tube and outlet pipe, the top of protecting crust is rotated and is installed the table lid, the inside of the table body is provided with prevents backward flow mechanism.

Preferably, stop gear includes hollow wheel, fixed block, gag lever post and second telescopic link, hollow wheel and dwang fixed connection, the inner wall fixed connection of fixed block and hollow post, the one end and the fixed block of gag lever post rotate to be connected, the one end of second telescopic link and the inner wall fixed connection of hollow post, the other end and the gag lever post fixed connection of second telescopic link.

Preferably, the backflow preventing mechanism comprises a fixing rod, a sliding rod, a first telescopic rod, a baffle and a fixture block, the sliding rod is connected with the fixing rod in a sliding mode, the baffle is fixedly connected with one end of the sliding rod, the fixture block is fixedly connected with the other end of the sliding rod, one end of the first telescopic rod is fixedly connected with the fixing rod, and the other end of the first telescopic rod is fixedly connected with the fixture block.

Preferably, a vertical plate is fixedly mounted on the inner wall of the bottom of the meter body, a water through hole is formed in the vertical plate, a clamping groove is formed in the vertical plate, and the clamping groove is matched with the clamping block.

Preferably, the outside of hollow wheel is provided with the lug, the cover is equipped with the spring on the second telescopic link, the top of dwang is connected with the dial plate.

Compared with the prior art, the utility model has the advantages that:

this scheme is owing to set up stop gear, through spacing to the impeller, makes it can only the folk prescription to rotating, and the operation is more stable, prevents that the impeller from taking place the gyration, influences the measurement result, the effectual accuracy that improves the measurement.

This scheme is owing to set up and has prevented backward flow mechanism, can prevent to appear the problem of backward flow easily at the in-process that supplies water, and through the setting of filter screen, can prevent that some rubbish from getting into the table internally, hinders the impeller and rotates to through having set up the table lid, play certain guard action to the dial plate.

The utility model has simple structure, can limit the impeller by arranging the limiting mechanism and the backflow preventing mechanism, ensures that the impeller can only rotate in one direction, prevents the impeller from rotating, influences the metering and simultaneously has the function of preventing backflow.

Drawings

Fig. 1 is a schematic front view of a mechanical water meter with a metering aid according to the present invention;

fig. 2 is a schematic perspective view of a mechanical water meter with a metering aid according to the present invention;

fig. 3 is a schematic top view of a hollow column, a hollow wheel and a rotating rod of a mechanical water meter with a metering aid according to the present invention;

fig. 4 is a schematic structural diagram of a portion a of fig. 3 of a mechanical water meter with a metering auxiliary tool according to the present invention.

In the figure: 1. a watch body; 2. a water inlet pipe; 3. a joint; 4. a protective shell; 5. a dial plate; 6. a watch cover; 7. rotating the rod; 8. a hollow column; 9. a hollow wheel; 10. an impeller; 11. a vertical plate; 12. fixing the rod; 13. a first telescopic rod; 14. a clamping block; 15. a slide bar; 16. a baffle plate; 17. a filter screen; 18. a limiting rod; 19. a second telescopic rod; 20. and (5) discharging a water pipe.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Referring to fig. 1-4, a mechanical water meter with auxiliary metering tool, including the table body 1, one side fixed mounting of the table body 1 has inlet tube 2, the opposite side fixed mounting of the table body 1 has outlet pipe 20, equal fixed mounting has joint 3 on outlet pipe 20 and the inlet tube 2, the top fixed mounting of the table body 1 has protecting crust 4, fixed mounting has dial 5 on the inner wall of protecting crust 4, fixed mounting has hollow post 8 on the bottom inner wall of the table body 1, rotate on the bottom inner wall of hollow post 8 and install dwang 7, be provided with stop gear on the dwang 7, fixed mounting has impeller 10 on the dwang 7, equal fixed mounting has filter screen 17 on the inner walls of inlet tube 2 and outlet pipe 20, the top of protecting crust 4 rotates and installs table lid 6, the inside of the table body 1 is provided with backflow prevention mechanism.

In this embodiment, stop gear includes hollow wheel 9, fixed block, gag lever post 18 and second telescopic link 19, hollow wheel 9 and dwang 7 fixed connection, fixed block and hollow column 8's inner wall fixed connection, and the one end and the fixed block of gag lever post 18 rotate to be connected, the one end and the inner wall fixed connection of hollow column 8 of second telescopic link 19, the other end and the gag lever post 18 fixed connection of second telescopic link 19.

In this embodiment, the backflow preventing mechanism includes a fixing rod 12, a sliding rod 15, a first telescopic rod 13, a baffle 16 and a fixture block 14, the sliding rod 15 is slidably connected to the fixing rod 12, the baffle 16 is fixedly connected to one end of the sliding rod 15, the fixture block 14 is fixedly connected to the other end of the sliding rod 15, one end of the first telescopic rod 13 is fixedly connected to the fixing rod 12, and the other end of the first telescopic rod 13 is fixedly connected to the fixture block 14.

In this embodiment, the inner wall of the bottom of the watch body 1 is fixedly provided with a vertical plate 11, the vertical plate 11 is provided with a water through hole, the vertical plate 11 is provided with a clamping groove, and the clamping groove is matched with the clamping block 14.

In this embodiment, the outside of hollow wheel 9 is provided with the lug, and the cover is equipped with the spring on the second telescopic link 19, and the top of dwang 7 is connected with dial 5.

In the embodiment, when the water meter is used, water enters the inside of the meter body 1 through the water inlet pipe 2, the impeller 10 is driven to rotate by the impact force of water flow under the action of the impeller 10, the rotating rod 7 is driven to rotate when the impeller 10 rotates, so that the dial 5 is counted, the hollow wheel 9 is driven to rotate when the rotating rod 7 rotates, the hollow wheel 9 can rotate under the action of the limiting rod 18, the second telescopic rod 19 and the spring, the limiting rod 18 is extruded by a convex block on the outer side of the hollow wheel 9 when the hollow wheel 9 rotates clockwise, one end of the limiting rod 18 rotates downwards, the second telescopic rod 19 and the spring are compressed, the hollow wheel 9 can rotate at the moment, when the hollow wheel 9 rotates reversely, the hollow wheel 9 can be limited under the action of the spring, the second telescopic rod 19 and the limiting rod 18, the hollow wheel 9 cannot rotate reversely, the reverse rotation of the impeller 10 is prevented, and the metering accuracy is improved, when the backward flow phenomenon appears in the table body 1, rivers will flow back to the table body 1 from outlet pipe 20 in, because baffle 16's effect, the water of backward flow will promote baffle 16 and move to table body 1 is inside to drive slide bar 15 and fixture block 14 and move to table body 1 is inside, make fixture block 14 enter into the draw-in groove, the water of backward flow this moment will not enter into table body 1 inside, thereby reach the effect that prevents the water backward flow.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. The utility model provides a mechanical water meter who possesses measurement appurtenance, includes the table body (1), its characterized in that, one side fixed mounting of the table body (1) has inlet tube (2), the opposite side fixed mounting of the table body (1) has outlet pipe (20), equal fixed mounting has joint (3) on outlet pipe (20) and inlet tube (2), the top fixed mounting of the table body (1) has protecting crust (4), fixed mounting has dial plate (5) on the inner wall of protecting crust (4), fixed mounting has hollow post (8) on the bottom inner wall of the table body (1), it installs dwang (7) to rotate on the bottom inner wall of hollow post (8), be provided with stop gear on dwang (7), fixed mounting has impeller (10) on dwang (7), equal fixed mounting has filter screen (17) on the inner wall of inlet tube (2) and outlet pipe (20), the top of protective housing (4) is rotated and is installed table lid (6), the inside of table body (1) is provided with prevents backward flow mechanism.

2. The mechanical water meter with the metering auxiliary tool according to claim 1, wherein the limiting mechanism comprises a hollow wheel (9), a fixed block, a limiting rod (18) and a second telescopic rod (19), the hollow wheel (9) is fixedly connected with the rotating rod (7), the fixed block is fixedly connected with the inner wall of the hollow column (8), one end of the limiting rod (18) is rotatably connected with the fixed block, one end of the second telescopic rod (19) is fixedly connected with the inner wall of the hollow column (8), and the other end of the second telescopic rod (19) is fixedly connected with the limiting rod (18).

3. The mechanical water meter with the metering auxiliary tool according to claim 1, wherein the backflow preventing mechanism comprises a fixed rod (12), a sliding rod (15), a first telescopic rod (13), a baffle plate (16) and a clamping block (14), the sliding rod (15) is slidably connected with the fixed rod (12), the baffle plate (16) is fixedly connected with one end of the sliding rod (15), the clamping block (14) is fixedly connected with the other end of the sliding rod (15), one end of the first telescopic rod (13) is fixedly connected with the fixed rod (12), and the other end of the first telescopic rod (13) is fixedly connected with the clamping block (14).

4. A mechanical water meter with auxiliary measuring tool according to claim 3, wherein a vertical plate (11) is fixedly installed on the inner wall of the bottom of the meter body (1), a water through hole is formed on the vertical plate (11), a clamping groove is formed on the vertical plate (11), and the clamping groove is matched with the clamping block (14).

5. A mechanical water meter with auxiliary metering tool as claimed in claim 2, wherein the outside of said ring gear (9) is provided with a projection, said second telescopic rod (19) is sleeved with a spring, and the top end of said rotating rod (7) is connected with the dial (5).