CN210570867U

CN210570867U - Water meter

Info

Publication number: CN210570867U
Application number: CN201921509931.9U
Authority: CN
Inventors: 邢伟华
Original assignee: Zhongwuhe Group Co ltd
Current assignee: Zhongwuhe Group Co ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-05-19
Anticipated expiration: 2029-09-11

Abstract

The utility model provides a water meter, include: the water inlet and the water outlet are formed at two ends of the shell; a drainage channel formed in the housing and communicated with the water outlet; the sewage draining channel is formed in the shell and communicated with the water inlet; the positive displacement flowmeter is arranged in the shell and is provided with an inlet and an outlet, the inlet is communicated with the water inlet, the inlet is provided with a filtering device, and the filtering device is positioned between the water inlet and the sewage discharge channel; the valve device is arranged among the drainage channel, the positive displacement flowmeter and the sewage draining channel, the valve device can be communicated with the drainage channel and the outlet and can cut off the drainage channel and the sewage draining channel in a first state, and the valve device can be also communicated with the drainage channel and the sewage draining channel and can cut off the drainage channel and the outlet in a second state, so that liquid flowing in from the water inlet can flow to the sewage draining channel through the filtering device. The utility model discloses can improve the accuracy of measurement and the reliability of use.

Description

Water meter

Technical Field

The utility model relates to a metering equipment technique especially relates to a water gauge.

Background

The water meter is a commonly used metering device in daily life, and can meter the amount of water flowing through a pipeline by connecting the water meter in the pipeline.

The volumetric water meter in the existing water meter has wide measuring range and high measuring precision, but the influence of impurities in water on the measuring precision of the volumetric water meter is large, so that the volumetric water meter has the problem of low use reliability.

SUMMERY OF THE UTILITY MODEL

The utility model provides a water meter to improve the accuracy of measurement and the reliability of use.

The utility model provides a water meter, include:

the water inlet and the water outlet are formed at two ends of the shell;

the drainage channel is formed in the shell and communicated with the water outlet;

a trapway formed within the housing, the trapway being in communication with the water inlet;

the positive displacement flowmeter is arranged in the shell and provided with an inlet and an outlet, the positive displacement flowmeter is used for metering the flow of liquid flowing in from the inlet and flowing out from the outlet, the inlet is communicated with the water inlet, the inlet is provided with a filtering device, the filtering device is positioned between the water inlet and a sewage discharge channel, and the filtering device is used for filtering the liquid flowing into the positive displacement flowmeter;

a valve means disposed between the drain passage, the positive displacement flow meter and the trapway, the valve means being capable of communicating with the drain passage and the outlet and blocking the drain passage and the trapway in a first state, such that the positive displacement flow meter is capable of metering the flow of liquid entering from the water inlet, the valve means being further capable of communicating with the drain passage and the trapway and blocking the drain passage and the outlet in a second state, such that liquid flowing from the water inlet can flow through the filter means to the trapway.

The water meter preferably further comprises a flow sensor and a controller, the flow sensor is connected with the controller, the controller is connected with the valve device, the flow sensor is used for sensing a liquid flow parameter flowing into the volumetric flowmeter and providing the liquid flow parameter to the controller, and the controller is used for controlling the valve device to enter the first state or the second state according to the liquid flow parameter.

Preferably, the valve device of the water meter comprises a valve plate and a driving device, the valve plate is provided with a through hole and is rotatably connected with the housing through a rotating shaft, the driving device is connected with the valve plate, and the driving device is used for driving the valve plate to rotate relative to the housing by taking the rotating shaft as a center so as to enable the valve plate to reach a first position and a second position; the valve plate can close the sewage channel and enable the through hole to communicate with the drainage channel and the outlet when the valve plate reaches the first position, so that the valve device enters the first state; the valve plate can close the outlet when reaching the second position and enable the through hole to communicate with the drainage channel and the sewage channel so as to enable the valve device to enter the second state.

Preferably, the through hole of the water meter comprises a water outlet hole and a sewage draining outlet; the valve plate can close the sewage channel and enable the water outlet hole to be communicated with the drainage channel and the outlet in the state that the valve plate reaches the first position, so that the valve device enters the first state; the valve plate can close the outlet when reaching the second position and enable the sewage draining outlet to be communicated with the water draining channel and the sewage draining channel so as to enable the valve device to enter the second state.

The water gauge, it is preferred, the valve plate includes gear portion, gear portion with the pivot coaxial line, drive arrangement includes drive gear and motor, drive gear with gear portion meshes, the output of motor with drive gear connects, the motor is used for driving drive gear uses the axis as the center for the casing is rotatory, so that drive gear drives the valve plate with the pivot is for the center the casing is rotatory.

The water gauge, preferred, the valve plate still includes sector plate body, the apopore is seted up on the sector plate body, gear portion is fan-shaped and connects one side of sector plate body, sector plate body with gear portion coaxial line, the diameter of gear portion is less than sector plate body with the edge of valve plate forms the drain.

The water meter preferably further comprises a first connecting part and a second connecting part, wherein a first threaded part is formed on the inner wall of the shell and extends along the axial direction of the shell; the first connecting part comprises a first frame, the drainage channel is arranged in the first frame, a second threaded part is formed on the outer wall of the first frame, and the second threaded part is in threaded connection with the first threaded part so that the first connecting part is in threaded connection in the shell; the second connecting part comprises a second frame, the sewage channel and the positive displacement flow meter are arranged in the second frame, a third thread part is formed on the outer wall of the first frame, and the third thread part is in threaded connection with the first thread part so that the second connecting part is in threaded connection in the shell; the valve device is clamped between the first connecting part and the second connecting part.

The water gauge, it is preferred, the casing includes first casing portion and second casing portion, first casing portion and second casing portion are followed the axial of casing is arranged and can be dismantled the connection and constitute the casing, the delivery port sets up on the first casing portion, water inlet and first screw thread portion set up on the second casing portion.

The water meter, preferably, a sealing member is disposed between the first frame and the valve device.

Preferably, the valve means is further capable of blocking the drain passage and the trapway and blocking the drain passage and the outlet in a third state.

Based on the foregoing, the utility model provides a pair of water meter, in the use, accessible valve device intercommunication drainage channel and export and cut off drainage channel and sewage pipes, even valve device gets into first state, at this moment, the import that can pass through positive displacement flowmeter in proper order by the liquid that the water inlet flowed in, positive displacement flowmeter's export, drainage channel and delivery port, positive displacement flowmeter can measure the liquid flow who flows in by the water inlet this moment, at this in-process, the filter equipment that is located positive displacement flowmeter import department can filter the liquid that flows in positive displacement flowmeter, debris in the liquid can be blocked by filter equipment, thereby avoided positive displacement flowmeter to receive the influence of debris in the liquid, meanwhile, debris in the liquid also can be piled up on filter equipment. When debris on the filter equipment need be cleared up, accessible valve gear intercommunication drainage channel and drain off drainage channel and export, the liquid that flows in by the water inlet this moment can be in proper order through drain, drainage channel and delivery port, because filter equipment is located between water inlet and the drain, consequently the filter equipment washs by the liquid that the water inlet flows into drain can flow through filter equipment, the debris that wash down by filter equipment can be along with liquid through drain and drainage channel in proper order and flow out by the delivery port, therefore, it influences the flow that liquid flowed into the positive displacement flowmeter to have avoided piling up too much debris on the filter equipment. Because the utility model provides a water gauge adopts positive displacement flowmeter, consequently can improve the range width and the measurement accuracy of water gauge, in addition, through setting up filter equipment and can realize the clearance to filter equipment, has avoided the debris of aquatic to positive displacement flowmeter's influence, has improved the reliability that the water gauge used.

Drawings

Fig. 1 is a schematic view of an internal structure of a water meter according to an embodiment of the present invention;

fig. 2 is a schematic view of a partial structure of a water meter according to an embodiment of the present invention;

fig. 3 is a schematic view of a control system of a water meter according to an embodiment of the present invention.

Reference numerals:

101: a housing; 102: a water inlet; 103: a water outlet;

104: a drainage channel; 105: a trapway; 106: a positive displacement flow meter;

107: an inlet; 108: a filtration device; 109: a valve means;

110: a flow sensor; 111: a controller; 112: a valve plate;

113: a drive device; 114: a water outlet hole; 115: a sewage draining outlet;

116: a gear portion; 117: a drive gear; 118: a motor;

119: a sector plate body; 120: a first connection portion; 121: a second connecting portion;

122: a first threaded portion; 123: a second threaded portion; 124: a third threaded portion;

125: a first housing portion; 126: a second housing portion; 127: a rotating shaft.

Detailed Description

To make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, an embodiment of the present invention provides a water meter, including: a shell 101, wherein a water inlet 102 and a water outlet 103 are formed at two ends of the shell 101; a drain passage 104 formed in the housing 101 and communicating with the water outlet 103; a trapway 105 formed within the housing 101, the trapway 105 being in communication with the water inlet 102; the positive displacement flowmeter 106 is arranged in the shell 101, the positive displacement flowmeter 106 is provided with an inlet 107 and an outlet, the positive displacement flowmeter 106 is used for metering the flow rate of liquid flowing in from the inlet 107 and flowing out from the outlet, the inlet 107 is communicated with the water inlet 102, a filtering device 108 is arranged at the inlet 107, the filtering device 108 is positioned between the water inlet 102 and the sewage discharge channel 105, and the filtering device 108 is used for filtering the liquid flowing into the positive displacement flowmeter 106; a valve means 109, the valve means 109 being disposed between the drain 104, the volumetric flow meter 106 and the trapway 105, the valve means 109 being capable of communicating with the drain 104 and the outlet and blocking the drain 104 and the trapway 105 in a first state such that the volumetric flow meter 106 is capable of metering the flow of liquid entering through the inlet 102, and the valve means 109 being further capable of communicating with the drain 104 and the trapway 105 and blocking the drain 104 and the outlet in a second state such that liquid flowing in through the inlet 102 is capable of flowing through the filter means 108 to the trapway 105.

In the water meter of the embodiment, in the using process, the drainage channel 104 and the outlet can be communicated and the drainage channel 104 and the drainage channel 105 can be blocked through the valve device 109, even if the valve device 109 enters the first state, at this time, the liquid flowing in from the water inlet 102 can sequentially pass through the inlet 107 of the volumetric flowmeter 106, the outlet of the volumetric flowmeter 106, the drainage channel 104 and the water outlet 103, at this time, the volumetric flowmeter 106 can measure the flow rate of the liquid flowing in from the water inlet 102, in this process, the filtering device 108 located at the inlet 107 of the volumetric flowmeter 106 can filter the liquid flowing into the volumetric flowmeter 106, and the impurities in the liquid can be blocked by the filtering device 108, so that the volumetric flowmeter 106 is prevented from being influenced by the impurities in the liquid, and meanwhile, the impurities in the liquid can also be accumulated on the filtering device 108. When sundries on the filtering device 108 need to be cleaned, the valve device 109 can be used for communicating the drainage channel 104 with the sewage channel 105 and blocking the drainage channel 104 and the outlet, at the moment, liquid flowing in from the water inlet 102 can sequentially pass through the sewage channel 105, the drainage channel 104 and the water outlet 103, and as the filtering device 108 is positioned between the water inlet 102 and the sewage channel 105, the liquid flowing from the water inlet 102 to the sewage channel 105 can flow through the filtering device 108 to clean the filtering device 108, and the sundries cleaned from the filtering device 108 can sequentially pass through the sewage channel 105 and the drainage channel 104 and flow out from the water outlet 103 along with the liquid, so that the influence of the accumulated sundries on the filtering device 108 on the flow of the liquid flowing into the volumetric flowmeter 106 is avoided. Because the utility model provides a water gauge adopts positive displacement flowmeter 106, consequently can improve the range width and the measurement accuracy of water gauge, in addition, through setting up filter equipment 108 and can realize the clearance to filter equipment 108, has avoided the debris of aquatic to positive displacement flowmeter 106's influence, has improved the reliability that the water gauge used.

Referring to fig. 3, in this embodiment, the water meter further preferably includes a flow sensor 110 and a controller 111, the flow sensor 110 is connected to the controller 111, the controller 111 is connected to the valve device 109, the flow sensor 110 is configured to sense a liquid flow parameter flowing into the volumetric flowmeter 106 and provide the sensed liquid flow parameter to the controller 111, and the controller 111 is configured to control the valve device 109 to enter the first state or the second state according to the liquid flow parameter. Because the sundries accumulated on the filtering device 108 can affect the liquid flow parameter, the controller 111 can judge whether the filtering device 108 needs to be cleaned according to the liquid flow parameter, so as to control the valve device 109 to enter the first state or the second state, thereby realizing the automatic cleaning of the filtering device 108. Specifically, when the impurities on the filtering device 108 are accumulated more, the liquid flow parameter is decreased, and when the liquid flow parameter is less than or equal to the first set value, the controller 111 controls the valve device 109 to enter the second state, so as to clean the filtering device 108.

Referring to fig. 2, in the present embodiment, preferably, valve device 109 includes a valve plate 112 and a driving device 113, where valve plate 112 has a through hole, valve plate 112 is rotatably connected to housing 101 through a rotating shaft 127, driving device 113 is connected to valve plate 112, and driving device 113 is configured to drive valve plate 112 to rotate relative to housing 101 around rotating shaft 127 so as to enable valve plate 112 to reach a first position and a second position; the valve plate 112 is able to close the trapway 105 and put the through hole into communication with the drain 104 and the outlet in a state that the valve plate reaches the first position, to put the valve arrangement 109 into the first state; the valve plate 112 is able to close the outlet and put the through hole into communication with the drain channel 104 and the trapway channel 105 in a state that the valve plate reaches the second position, to put the valve arrangement 109 into the second state. Thus, the valve device 109 is simple in structure and reliable in use. Of course, the valve device 109 can also be a multi-way valve. Specifically, controller 111 is connected to driving device 113, and controller 111 is configured to control driving device 113 to drive valve plate 112 to rotate about rotation shaft 127 relative to housing 101 according to the liquid flow parameter, so as to bring valve plate 112 to the first position and the second position, thereby bringing valve device 109 into the first state or the second state.

In this embodiment, preferably, the through hole includes a water outlet hole 114 and a sewage draining exit 115; the valve plate 112 is capable of closing the trapway 105 and placing the outlet aperture 114 in communication with the drain 104 and the outlet when in the first position, to bring the valve arrangement 109 into the first state; the valve plate 112 is able to close the outlet and put the waste outlet 115 into communication with the drain 104 and the waste 105 in the state of reaching the second position, so as to bring the valve arrangement 109 into the second state. This is advantageous in improving the reliability of the use of the valve device 109.

In this embodiment, preferably, valve plate 112 includes a gear portion 116, gear portion 116 is coaxial with rotating shaft 127, driving device 113 includes a driving gear 117 and a motor 118, driving gear 117 is meshed with gear portion 116, an output end of motor 118 is connected to driving gear 117, and motor 118 is configured to drive driving gear 117 to rotate around the axis relative to housing 101, so that driving gear 117 drives valve plate 112 to rotate around rotating shaft 127 relative to housing 101. This makes the driving device 113 simple in structure and reliable in driving.

In this embodiment, preferably, the valve plate 112 further includes a sector plate 119, the water outlet hole 114 is opened on the sector plate 119, the gear portion 116 is fan-shaped and is connected to one side of the sector plate 119, the sector plate 119 and the gear portion 116 are coaxial, and the diameter of the gear portion 116 is smaller than the sector plate 119 so as to form the sewage outlet 115 at the edge of the valve plate 112. Thereby making the valve plate 112 compact and reliable in use.

In this embodiment, the water meter preferably further includes a first connecting portion 120 and a second connecting portion 121, a first threaded portion 122 is formed on an inner wall of the housing 101, and the first threaded portion 122 extends along an axial direction of the housing 101; the first connection part 120 includes a first frame in which the drainage passage 104 is provided, a second screw part 123 is formed on an outer wall of the first frame, and the second screw part 123 is screw-coupled with the first screw part 122 so that the first connection part 120 is screw-coupled in the housing 101; the second connection part 121 comprises a second frame, the second frame is internally provided with the sewage channel 105 and the volumetric flowmeter 106, a third thread part 124 is formed on the outer wall of the first frame, and the third thread part 124 is in threaded connection with the first thread part 122 so that the second connection part 121 is in threaded connection in the shell 101; the valve device 109 is interposed between the first connection portion 120 and the second connection portion 121. Therefore, during the assembly process of the water meter, the second thread part 123 is matched with the first thread part 122, and the third thread part 124 is matched with the threads of the first thread part 122, so that the first connecting part 120 and the second connecting part 121 move along the axial direction of the shell 101 and clamp the valve device 109, and the valve device 109 is positioned opposite to the first connecting part 120 and the second connecting part 121, thereby facilitating the assembly of the water meter.

In this embodiment, it is preferable that the housing 101 includes a first housing portion 125 and a second housing portion 126, the first housing portion 125 and the second housing portion 126 are arranged along an axial direction of the housing 101 and detachably connected to form the housing 101, the water outlet 103 is disposed on the first housing portion 125, and the water inlet 102 and the first threaded portion 122 are disposed on the second housing portion 126. Therefore, in the water meter assembling process, the second connecting part 121 can be firstly installed in the second housing 101 through the matching of the third thread part 124 and the first thread part 122, then the valve device 109 is installed, the first connecting part 120 is installed in the second housing 126 through the matching of the second thread part 123 and the first thread part 122, the valve device 109 is clamped by the first connecting part 120 and the second connecting part 121, the valve device 109 is relatively positioned with the first connecting part 120 and the second connecting part 121, and finally the first housing 125 and the second housing 126 are connected to complete the water meter assembling, so that the water meter is convenient to assemble.

In this embodiment, a seal is preferably provided between the first frame and the valve device 109. Thereby improving the sealing between the first frame and the valve arrangement 109.

In this embodiment, it is preferable that a sealing member is provided between the first frame and the casing 101 and between the second frame and the casing 101. Thereby improving the sealability between the first frame and the casing 101 and between the second frame and the casing 101.

In this embodiment, it is preferred that the valve means 109 is also capable of blocking the drain passage 104 and the trapway passage 105 and blocking the drain passage 104 and the outlet in the third state. Therefore, the function of blocking water inflow is achieved, and the flexibility of the water meter in use is improved.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A water meter, comprising:

the water inlet and the water outlet are formed at two ends of the shell;

2. A water meter as claimed in claim 1, further comprising a flow sensor and a controller, said flow sensor being connected to said controller, said controller being connected to said valve means, said flow sensor being adapted to sense a parameter of liquid flow into said volumetric flow meter and provide said parameter to said controller, said controller being adapted to control said valve means to said first state or said second state based on said parameter of liquid flow.

3. A water meter as claimed in claim 1, wherein said valve means includes a valve plate having a through hole formed therein, said valve plate being rotatably connected to said housing by a shaft, and drive means connected to said valve plate for driving said valve plate to rotate about said shaft relative to said housing to move said valve plate to a first position and a second position;

the valve plate can close the sewage channel and enable the through hole to communicate with the drainage channel and the outlet when the valve plate reaches the first position, so that the valve device enters the first state;

the valve plate can close the outlet when reaching the second position and enable the through hole to communicate with the drainage channel and the sewage channel so as to enable the valve device to enter the second state.

4. A water meter as claimed in claim 3, wherein said through-hole includes an outlet opening and a drain outlet;

the valve plate can close the sewage channel and enable the water outlet hole to be communicated with the drainage channel and the outlet in the state that the valve plate reaches the first position, so that the valve device enters the first state;

the valve plate can close the outlet when reaching the second position and enable the sewage draining outlet to be communicated with the water draining channel and the sewage draining channel so as to enable the valve device to enter the second state.

5. A water meter as claimed in claim 4, wherein the valve plate includes a gear portion coaxial with the shaft, the drive mechanism includes a drive gear and a motor, the drive gear is engaged with the gear portion, an output of the motor is connected to the drive gear, and the motor is configured to drive the drive gear to rotate about the shaft relative to the housing, so that the drive gear drives the valve plate to rotate about the shaft relative to the housing.

6. A water meter as claimed in claim 5, wherein the valve plate further includes a sector plate, the outlet hole is formed in the sector plate, the gear portion is fan-shaped and connected to one side of the sector plate, the sector plate and the gear portion are coaxial, and the gear portion has a diameter smaller than that of the sector plate to form the drain outlet at an edge of the valve plate.

7. A water meter as set forth in claim 1, further comprising a first connection portion and a second connection portion, said housing having a first threaded portion formed on an inner wall thereof, said first threaded portion extending in an axial direction of said housing;

the first connecting part comprises a first frame, the drainage channel is arranged in the first frame, a second threaded part is formed on the outer wall of the first frame, and the second threaded part is in threaded connection with the first threaded part so that the first connecting part is in threaded connection in the shell;

the second connecting part comprises a second frame, the sewage channel and the positive displacement flow meter are arranged in the second frame, a third thread part is formed on the outer wall of the first frame, and the third thread part is in threaded connection with the first thread part so that the second connecting part is in threaded connection in the shell;

the valve device is clamped between the first connecting part and the second connecting part.

8. A water meter as claimed in claim 7, wherein said housing includes a first housing portion and a second housing portion, said first and second housing portions being axially aligned with and removably connected to form said housing, said water outlet being disposed on said first housing portion, said water inlet and said first threaded portion being disposed on said second housing portion.

9. A water meter as claimed in claim 7, wherein a seal is provided between said first frame and said valve means.

10. A water meter as claimed in claim 1, wherein said valve means is further adapted to block said drain and trapways and to block said drain and outlet in the third condition.