CN213579519U - Water meter with fluid guide groove structure - Google Patents

Abstract

The utility model discloses a water gauge with fluid guide way structure, including dial plate and watchcase, the watchcase is equipped with the inlet channel, go out the water course, and be used for placing the fixed orifices of dial plate, the dial plate upper end is equipped with the counter, the dial plate lower extreme is established core group and core cover, the core cover is equipped with the inlet opening that switches on with the inlet channel, and the apopore that switches on with going out the water course, core group includes the frame, deflector and impeller, the frame is equipped with sewer and a plurality of grid hole, grid hole switches on with the inlet opening, the sewer switches on with the apopore, the deflector is equipped with the guide vane that a plurality of intervals set up, and be located the guiding gutter between two adjacent guide vanes, the guiding gutter corresponds with the impeller position, the impeller rotates with the deflector to be connected, the deflector is fixed to be. The utility model discloses can make rivers can continuously impact the impeller directionally behind the guiding gutter, the rotational speed of impeller just realizes guaranteeing discharge measurement accuracy with the velocity of flow synchro variation of rivers.

Description

Water meter with fluid guide groove structure

Technical Field

The utility model belongs to the technical field of at the water gauge and specifically relates to a water gauge with fluid guide way structure is related to.

Background

A water meter counter is a meter for measuring the flow of water, usually mounted on a water pipe, and when a user discharges water, a pointer or a print wheel on the meter rotates to indicate the amount of water passing through. The water flow in the shell impacts the water wheel blade of the machine core to generate torque, so that the impeller rotates, the larger the faucet is opened, the more rapid the water flow is, the faster the impeller rotates, and the water wheel drives the gear to rotate, so that the pointer or the character wheel displays the passing water flow.

If rivers can not direct impact water wheel blade, then the rotational speed of water wheel blade just does not change correspondingly along with the velocity of flow change, just so the velocity of flow is invariable, and the rotational speed of water wheel blade also must not be invariable, just so can make the water flow data that the water gauge counter measured inaccurate. The accuracy of the measured data after the combined action of the water flow, the water wheel blade and the water meter counter becomes a technical difficulty and needs to be solved by an engineer.

Disclosure of Invention

The utility model aims to solve the technical problem that a water gauge with fluid guide way structure is provided, rivers follow the grid hole and get into, continuously impact the impeller directionally behind the guiding gutter, and rivers flow out from the sewer of impeller below at last, and the rotational speed of impeller just realizes guaranteeing the measurement accuracy of discharge with the velocity of flow synchro variation of rivers.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a water gauge with fluid guide way structure, includes dial plate and watchcase, the watchcase be equipped with inlet channel, exhalant canal and be used for placing the fixed orifices of dial plate, dial plate upper end be equipped with the counter, the dial plate lower extreme establish core group and core cover, the core cover be equipped with the inlet opening that the inlet channel switched on and with the apopore that the exhalant canal switched on, core group including frame, deflector and impeller, the frame be equipped with sewer and a plurality of grid hole, grid hole switch on with the inlet opening, sewer and apopore switch on, the deflector be equipped with the guide vane that a plurality of intervals set up and be located the guiding gutter between two adjacent guide vanes, the guiding gutter correspond with the impeller position, impeller and guide vane rotate and be connected, the deflector fix and set up in the frame.

As the utility model discloses further improve: the dial plate is provided with an upper cavity and a lower cavity, the counter is fixedly connected with the upper cavity, and the movement group is fixedly arranged in the lower cavity.

As the utility model discloses further improve: the upper end of the impeller is provided with a magnet, and a magnetic induction piece is arranged in the counter; the upper cavity is provided with an inner concave part, and an iron disc is installed on the inner concave part.

As the utility model discloses further improve: the water inlet hole is arranged at the edge of the core sleeve and communicated with the lower cavity, and the lower cavity is communicated with the grid hole.

As the utility model discloses further improve: the apopore be "L" shape and include side hole portion and be located the well hole portion of core cover center, well hole portion communicate with the sewer, side hole portion communicate with the outlet channel.

As the utility model discloses further improve: the lower end of the frame is hermetically connected with the edge of the middle hole part of the core sleeve through a sealing ring.

As the utility model discloses further improve: the upper end of the guide disc is fixedly provided with a blank cap, and the upper end of the impeller is rotatably connected with the blank cap.

The utility model has the advantages of rivers can continuously impact the impeller directionally after the guiding gutter, and the rotational speed of impeller just realizes guaranteeing the measurement accuracy of discharge with the velocity of flow synchro variation of rivers.

The water inlet channel and the water outlet channel of the meter shell are connected with a water pipe of natural water, the water enters the water inlet hole from the water inlet channel, then enters the rack through the grid hole, and continuously impacts the impeller (the guide piece of the guide disc can guide the direction of water flow) directionally after passing through the flow guide groove, so that the impeller rotates, and the counter is driven to start counting work when the impeller rotates; then the water flow leaves the water meter after passing through the sewer, the water outlet hole and the water outlet channel in sequence. The dial and the fixing hole may be screw-coupled.

Drawings

Fig. 1 is a schematic perspective exploded view of the present invention;

FIG. 2 is a perspective view of the present invention;

fig. 3 is a schematic cross-sectional view of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1-3: the utility model provides a water gauge with fluid guide way structure, including dial plate 3 and watchcase 9, watchcase 9 is equipped with inlet channel 92, outlet channel 93, and be used for placing dial plate 3's fixed orifices 91, dial plate 3 upper end is equipped with counter 1, dial plate 3 lower extreme is equipped with core group and core cover 8, core cover 8 is equipped with inlet opening 81 that switches on with inlet channel 92, and apopore 84 that switches on with outlet channel 93, core group includes frame 7, deflector 6 and impeller 5, frame 7 is equipped with sewer 71 and a plurality of grid hole 72, grid hole 72 switches on with inlet opening 81, sewer 71 switches on with apopore 84, deflector 6 is equipped with a plurality of guide vanes 61 that the interval set up, and be located the guiding gutter 62 between two adjacent guide vanes 61, guiding gutter 62 corresponds with impeller 5 position, impeller 5 is connected with guide vane 6 rotation, deflector 6 is fixed to be set up in frame 7.

Dial plate 3 is equipped with upper cavity 31 and lower cavity 33, and counter 1 and upper cavity 31 fixed connection, core group fixed setting are in lower cavity 33. The counter can be fixedly connected with the upper cavity in a threaded connection mode; the movement set can be fixedly connected with the lower cavity in an inverted buckle clamping mode, or the movement set is fixed in a dial pressing mode.

The upper end of the impeller 5 is provided with a magnet 51, and a magnetic induction piece is arranged in the counter 1; the upper cavity 31 is provided with an inner recess 32, and the iron disc 2 is mounted in the inner recess 32. When the impeller rotates, the magnet attracts the magnetic induction piece in the counter to rotate, so that the counter starts to count; the counting precision of the counter can be influenced after the magnet is interfered by an external magnetic field, and the iron disc plays a role in resisting magnetic interference and prevents the magnet from being interfered by the external magnetic field.

The water inlet 81 is arranged at the edge of the core sleeve 8 and communicated with the lower cavity 33, and the lower cavity 33 is communicated with the grid hole 72. Water enters the water inlet hole from the water inlet channel, then enters the rack through the grid holes after passing through the lower cavity, and impacts the impeller after passing through the diversion trench, so that the impeller rotates.

The water outlet hole 84 is L-shaped and includes a side hole portion 83 and a middle hole portion 82 located at the center of the core sleeve 8, the middle hole portion 82 is communicated with the sewer 71, and the side hole portion 83 is communicated with the water outlet passage 93. Water enters from the grid holes of the rack, passes through the diversion trench of the guide disc, sequentially passes through the sewer, the middle hole part, the side hole part and the water outlet channel, and then a complete water flow flowing place is formed.

The lower end of the frame 7 is connected with the edge of the central hole 82 of the core sleeve 8 in a sealing way through a sealing ring 73. The lower end of the frame and the edge of the middle hole part of the core sleeve can be connected in a sealing way, so that a sealing ring is arranged at the joint, and the water flow in the sewer can not seep out from the joint but can flow into the middle hole part completely.

The upper end of the guide disc 6 is fixedly provided with a blank cap 4, and the upper end of the impeller 5 is rotationally connected with the blank cap 4. The first function of the blank cap is: the upper end position of the impeller is limited, the lower end position of the impeller is limited by the guide disc, and the impeller can smoothly rotate and cannot randomly shake in the rotating process; the second function of the blank cap is: water enters from the grid holes of the rack, impacts the impeller after passing through the diversion trench of the guide disc, and after the cover is covered, the water flow does not flow out from the upper end of the guide disc but completely flows out from a sewer, so that a closed water flow directional flow structure is formed.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (7)

1. A water meter with fluid guide groove structure comprises a dial plate and a meter shell, and is characterized in that the meter shell is provided with a water inlet channel, a water outlet channel and a fixing hole for placing the dial plate, the upper end of the dial plate is provided with a counter, the lower end of the dial plate is provided with a core group and a core sleeve, the core sleeve is provided with a water inlet communicated with the water inlet channel and a water outlet communicated with the water outlet channel, the machine core assembly comprises a machine frame, a guide disc and an impeller, wherein the machine frame is provided with a sewer and a plurality of grid holes, the grid hole is communicated with the water inlet hole, the sewer is communicated with the water outlet hole, the guide disc is provided with a plurality of guide vanes arranged at intervals and a guide groove positioned between two adjacent guide vanes, the guide groove corresponds to the impeller in position, the impeller is rotatably connected with the guide disc, and the guide disc is fixedly arranged in the rack.

2. A water meter with a fluid guide channel structure as recited in claim 1, wherein said dial has an upper cavity and a lower cavity, said counter is fixedly connected to said upper cavity, and said movement is fixedly disposed in said lower cavity.

3. A water meter having a fluid guide channel structure as set forth in claim 2, wherein said impeller is provided at an upper end thereof with a magnet, and said counter is provided with a magnetic induction member; the upper cavity is provided with an inner concave part, and an iron disc is installed on the inner concave part.

4. A water meter with a fluid guide channel structure as recited in claim 2, wherein said inlet opening is formed in the periphery of said core sleeve and is in communication with said lower cavity, said lower cavity being in communication with said grid opening.

5. A water meter with a fluid guiding channel structure as claimed in claim 1, wherein said outlet hole is "L" shaped and includes a side hole portion and a central hole portion located at the center of said core sleeve, said central hole portion is connected to the sewer, and said side hole portion is connected to the outlet channel.

6. A water meter having a fluid guide channel structure as set forth in claim 5, wherein said lower end of said housing is sealingly connected to the edge of said central opening of said core housing by a seal ring.

7. A water meter with a fluid guiding slot structure as recited in claim 1, wherein a cover is fixedly disposed on an upper end of said guiding plate, and an upper end of said impeller is rotatably connected to the cover.

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