CN216846385U

CN216846385U - Anti-theft water meter

Info

Publication number: CN216846385U
Application number: CN202123410725.2U
Authority: CN
Inventors: 周平洋
Original assignee: Kaifeng Jinghua Instrument Co ltd
Current assignee: Kaifeng Jinghua Instrument Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-28
Anticipated expiration: 2031-12-30

Abstract

The utility model provides a theftproof water gauge relates to water gauge technical field, this theftproof water gauge, include: the water gauge body is installed at the water gauge dial plate at water gauge body top and is installed inlet tube and outlet pipe at water gauge body both ends, the internally mounted of water gauge body has the baffle, the rotation axis is installed in the rotation of middle part of baffle, the bottom of rotation axis stretches into the below of baffle and installs the rivers impeller, the top and the fixed mounting that stretch into the baffle on the top of rotation axis have the transmission shaft, the outer wall top and the bottom of transmission shaft fixed mounting respectively have reverse first flywheel and the second flywheel that sets up, the top of water gauge body is rotated and is installed the watch core pivot, the bottom of watch core pivot install with first flywheel complex first ratchet, the top one end fixed mounting of baffle has drive mechanism. Therefore, the rotating shaft of the meter core can normally rotate no matter the water meter is normally installed or reversely installed.

Description

Anti-theft water meter

Technical Field

The utility model relates to a water gauge technical field specifically is a theftproof water gauge.

Background

The water gauge is the instrument of measuring discharge, the accumulated flow measurement of water mostly, traditional water gauge theftproof effect is not enough, only through the screw-tightening between general protecting sheathing and the guard plate, very easily be dismantled by the people, and after the guard plate was dismantled, some users may reform transform the water gauge dish in the protecting sheathing by oneself, thereby influence its normal demonstration numerical value, cause the loss of the waste of water resource and the loss of national wealth, some quality and weakness personnel destroy the measuring water gauge, steal the water phenomenon, cause the loss and the waste of a large amount of water resources.

The Chinese patent with the publication number of CN212620926U discloses an anti-theft water meter, which comprises an intelligent meter cover, a meter cover and meter body connecting shaft, an anti-theft water meter main body, a forced unlocking alarm device, an IC card induction unlocking device, a water meter positioning device, an annular anti-magnetic ring, a liquid crystal display reading screen, a water meter core, a water flow impeller and a tap water filter screen.

However, the above technical solution has the following defect that after the water inlet and the water outlet of the water meter are connected in an inverted manner, the water flow impeller is inverted, so that the meter core of the water meter cannot work normally, the reading of the water meter is reduced, and the water consumption cannot be effectively detected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a theftproof water gauge aims at solving the water inlet and the water yield switching back of the theftproof water gauge among the prior art for the rivers impeller reverses, thereby leads to the unable normal work of water gauge watch core, makes the reading of water gauge reduce, thereby can't effectively carry out the problem that detects to the water consumption.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the theftproof water gauge includes: the water gauge body is installed at the water gauge dial plate at water gauge body top and is installed inlet tube and the outlet pipe at water gauge body both ends, the internally mounted of water gauge body has the baffle, the rotation axis is installed in the rotation of middle part of baffle, the bottom of rotation axis stretches into the below of baffle and installs the rivers impeller, the top of rotation axis stretches into the top and the fixed mounting of baffle has the transmission shaft, the outer wall top and the bottom of transmission shaft respectively fixed mounting have reverse first flywheel and the second flywheel that sets up, the top of water gauge body is rotated and is installed and be used for driving water gauge core pivoted watch core pivot, the bottom of watch core pivot install with first flywheel complex first ratchet, the top one end fixed mounting of baffle has and is used for driven drive mechanism between second flywheel and the watch core pivot.

The utility model discloses a further technical scheme does, the top of baffle is rotated and is installed the second ratchet of cup jointing at second flywheel outer wall, drive mechanism is including rotating the spacing pivot of installing between baffle and water gauge body inner wall top, driven driving medium between the top of spacing pivot and the watch core pivot outer wall.

The utility model discloses a further technical scheme does, the outer wall of second ratchet is equipped with the driving gear, the bottom fixed mounting of spacing pivot has the drive gear that is used for with the driving gear meshing of second ratchet outer wall.

The utility model discloses a further technical scheme does, the driving medium is drive belt or driving sprocket.

A further technical solution of the present invention is that, the pawls of the first and second flywheels are reverse and opposite, and the opening directions of the ratchet grooves of the first and second ratchets are the same.

The utility model discloses a further technical scheme does, the rivers impeller has two at least, and the circumferencial direction equipartition of a plurality of rivers impellers along the axis of rotation.

The utility model has the advantages that:

when the water meter is normally installed, water flow drives a rotating shaft, a transmission shaft, a first flywheel and a second flywheel to rotate through a water flow impeller, at the moment, the first flywheel drives a first ratchet wheel to rotate so as to drive a meter core rotating shaft to normally rotate, at the moment, the second flywheel cannot drive a second ratchet wheel to rotate due to the fact that the pawl directions of the first flywheel and the second flywheel are opposite, the meter dial can normally count the water flow, after a water inlet pipe and a water outlet pipe of the water meter are reversely installed, the water flow impeller drives the rotating shaft, the transmission shaft, the first flywheel and the second flywheel rotate in a reverse direction, at the moment, the first flywheel cannot drive the first ratchet wheel to rotate, the second flywheel drives the second ratchet wheel to rotate, a limiting rotating shaft is driven to rotate through the meshing of the second ratchet wheel and the transmission gear, the limiting rotating shaft drives the meter core rotating shaft to normally rotate through a transmission part, and therefore, the meter core rotating shaft can normally rotate no matter whether the water meter is normally installed or reversely installed, the water meter can not rotate reversely, and the water flow can be counted no matter the water meter is normally installed or reversely installed.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the transmission mechanism of the present invention.

In the figure: 1. a water meter body; 2. a water meter dial; 3. a partition plate; 4. a water inlet pipe; 5. a water outlet pipe; 6. a rotating shaft; 7. a water flow impeller; 8. a drive shaft; 9. a first flywheel; 10. a second flywheel; 11. a first ratchet wheel; 12. a watch movement rotating shaft; 13. a transmission member; 14. a second ratchet wheel; 15. a limiting rotating shaft; 16. a transmission gear.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1-2, an anti-theft water meter includes: a water meter body 1 is arranged on a water meter dial 2 at the top of the water meter body 1, and a water inlet pipe 4 and a water outlet pipe 5 which are arranged at two ends of the water meter body 1, a clapboard 3 is arranged inside the water meter body 1, a rotating shaft 6 is rotatably arranged in the middle of the clapboard 3, the bottom end of the rotating shaft 6 extends into the lower part of the clapboard 3 and is provided with a water flow impeller 7, the top end of the rotating shaft 6 extends into the upper part of the clapboard 3 and is fixedly provided with a transmission shaft 8, the top and the bottom of the outer wall of the transmission shaft 8 are respectively and fixedly provided with a first flywheel 9 and a second flywheel 10 which are arranged in opposite directions, a meter core rotating shaft 12 for driving the meter core of the water meter to rotate is rotatably arranged at the top end of the water meter body 1, the bottom of the watch core rotating shaft 12 is provided with a first ratchet wheel 11 matched with the first flywheel 9, and one end of the top of the partition plate 3 is fixedly provided with a transmission mechanism for transmission between the second flywheel 10 and the watch core rotating shaft 12.

In this embodiment, when the water meter is normally installed, the water flow drives the rotation shaft 6, the transmission shaft 8, the first flywheel 9 and the second flywheel 10 to rotate through the water flow impeller 7, at this time, the first flywheel 9 drives the first ratchet 11 to rotate, so as to drive the meter core rotation shaft 12 to normally rotate, at this time, because the pawl directions of the first flywheel 9 and the second flywheel 10 are opposite, the second flywheel 10 cannot drive the second ratchet 14 to rotate, so that the meter panel 2 can normally count the water flow, after the water inlet pipe 4 and the water outlet pipe 5 of the water meter are reversely installed, the water flow impeller 7 drives the rotation shaft 6, the transmission shaft 8, the first flywheel 9 and the second flywheel 10 to reversely rotate, at this time, the first flywheel 9 cannot drive the first ratchet 11 to rotate, the second flywheel 10 drives the second ratchet 14 to rotate, and the limit rotation shaft 15 is driven to rotate through the meshing of the second ratchet 14 and the transmission gear 16, spacing pivot 15 passes through driving medium 13 and drives table core pivot 12 normal rotation to no matter make the water gauge just adorn or turn over the dress, table core pivot 12 can both normal rotation, and unable antiport has guaranteed that no matter just adorns or turn over the dress of water gauge can both make statistics of rivers flow.

Specifically, the top end of the partition plate 3 is rotatably provided with a second ratchet wheel 14 sleeved on the outer wall of the second flywheel 10, the transmission mechanism comprises a limiting rotating shaft 15 rotatably installed between the partition plate 3 and the top end of the inner wall of the water meter body 1, and a transmission member 13 is driven between the top end of the limiting rotating shaft 15 and the outer wall of the meter core rotating shaft 12.

Furthermore, the outer wall of the second ratchet wheel 14 is provided with transmission teeth, and the bottom end of the limiting rotating shaft 15 is fixedly provided with a transmission gear 16 which is used for being meshed with the transmission teeth on the outer wall of the second ratchet wheel 14.

The transmission part 13 is a transmission belt or a transmission chain wheel, when the water flow impeller 7 rotates forwards, the first flywheel 9 drives the watch core rotating shaft 12 to rotate forwards through the first ratchet wheel 11, when the water flow impeller 7 rotates backwards, the second flywheel 10 drives the limiting rotating shaft 15 to rotate forwards through the meshing of the second ratchet wheel 14 and the transmission gear 16, and the limiting rotating shaft 15 drives the watch core rotating shaft 12 to rotate forwards through the transmission part 13.

Preferably, the pawls of the first flywheel 9 and the second flywheel 10 are opposite in direction, and the opening directions of the ratchet grooves of the first ratchet wheel 11 and the second ratchet wheel 14 are the same.

Preferably, there are at least two water flow impellers 7, and the water flow impellers 7 are uniformly distributed along the circumferential direction of the rotating shaft 6.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. An anti-theft water meter, comprising: install water gauge dial plate (2) at water gauge body (1) top and install inlet tube (4) and outlet pipe (5) at water gauge body (1) both ends, its characterized in that, the internally mounted of water gauge body (1) has baffle (3), the rotation axis (6) is installed in the rotation of the middle part of baffle (3), the bottom of rotation axis (6) stretches into the below of baffle (3) and installs rivers impeller (7), the top of rotation axis (6) stretches into the top of baffle (3) and fixed mounting has transmission shaft (8), the outer wall top and the bottom of transmission shaft (8) fixed mounting respectively have reverse first flywheel (9) and the second flywheel (10) that set up, the top of water gauge body (1) is rotated and is installed and is used for driving water gauge core pivoted watch core pivot (12), the bottom of watch core pivot (12) install with first ratchet (11) of first flywheel (9) complex, and a transmission mechanism for transmission between the second flywheel (10) and the watch core rotating shaft (12) is fixedly arranged at one end of the top of the partition plate (3).

2. An anti-theft water meter according to claim 1, characterized in that the top end of the partition plate (3) is rotatably provided with a second ratchet wheel (14) sleeved on the outer wall of the second flywheel (10), the transmission mechanism comprises a limit rotating shaft (15) rotatably arranged between the partition plate (3) and the top end of the inner wall of the water meter body (1), and a transmission member (13) for transmission between the top end of the limit rotating shaft (15) and the outer wall of the meter core rotating shaft (12).

3. The anti-theft water meter according to claim 2, wherein the outer wall of the second ratchet wheel (14) is provided with driving teeth, and the bottom end of the limiting rotating shaft (15) is fixedly provided with a driving gear (16) which is engaged with the driving teeth on the outer wall of the second ratchet wheel (14).

4. An antitheft water meter as claimed in claim 3, wherein the transmission member (13) is a transmission belt or a transmission sprocket.

5. An anti-theft water meter according to any one of claims 1 to 4, characterized in that the pawls of the first flywheel (9) and the second flywheel (10) are in opposite directions, and the directions of the openings of the ratchet grooves of the first ratchet wheel (11) and the second ratchet wheel (14) are the same.

6. An anti-theft water meter according to any one of claims 1 to 4, characterized in that there are at least two water flow impellers (7), and a plurality of water flow impellers (7) are uniformly distributed along the circumferential direction of the rotating shaft (6).