CN217276372U

CN217276372U - Water meter with detachable vertical spiral wing

Info

Publication number: CN217276372U
Application number: CN202220354194.5U
Authority: CN
Inventors: 万江
Original assignee: Jingzhou Shuiyun Water Equipment Co ltd
Current assignee: Jingzhou Shuiyun Water Equipment Co ltd
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-08-23
Anticipated expiration: 2032-02-22

Abstract

The utility model relates to the technical field of water meters, and discloses a vertical spiral-wing detachable water meter, which comprises a meter shell, a water inlet cavity and a water outlet cavity are arranged in the meter shell, the water inlet cavity is communicated with the water inlet pipe, the water outlet cavity is communicated with the water outlet pipe, an impeller box is arranged between the water inlet cavity and the water outlet cavity, a water inlet of the impeller box is communicated with the water inlet cavity, the water outlet of the impeller box is communicated with the water outlet cavity, an impeller component is arranged in the impeller box and comprises an impeller rotating shaft in transmission connection with the metering device and a plurality of impellers circumferentially arrayed on the impeller rotating shaft, the impeller can be dismantled with the impeller pivot and be connected, the utility model discloses a wedge locking mechanism realizes dismantling of impeller and impeller pivot and is connected, and the change and the maintenance of impeller are more convenient, need not to change whole impeller subassembly, have the maintenance cost low, easy operation, efficient advantage.

Description

Water meter with detachable vertical spiral wing

Technical Field

The utility model relates to a water gauge technical field, in particular to removable water gauge of perpendicular spiral shell wing.

Background

The spiral type water meter is one of speed type water meters, is suitable for large-diameter pipeline and features large flow capacity and small pressure loss. Like the rotor type water meter, the rotor type water meter also belongs to one of the speed type water meters. When water flows into the water meter, the spiral wing-shaped impeller of the water meter is impacted along the axial direction to rotate and then flows out, the rotating speed of the impeller is in direct proportion to the water flow speed, and the total amount of water passing through the water meter is displayed on the indicating device after the water is transmitted by the reduction gear.

When the existing spiral wing type water meter is used for a long time, the spiral wing type impeller is easy to deform under the impact of water, so that the measurement error is increased, the measurement precision is reduced, frequent maintenance and replacement are required, the impeller in the existing vertical spiral wing type water meter is not easy to detach, and the maintenance and replacement operation is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a removable water gauge of perpendicular spiral shell wing, the change and the maintenance of impeller are more convenient, need not to change whole impeller subassembly, have the maintenance cost low, easy operation, efficient advantage.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a removable water gauge of perpendicular spiral shell wing, includes the watchcase, be equipped with intake antrum and play water cavity in the watchcase, the intake antrum communicates with the inlet tube, it communicates with the outlet pipe to go out the water cavity, be equipped with the impeller box between intake antrum and the play water cavity, the water inlet and the intake antrum intercommunication of impeller box, the delivery port and the play water cavity intercommunication of impeller box, be equipped with the impeller subassembly in the impeller box, the impeller subassembly includes the impeller pivot of being connected with the metering device transmission and a plurality of impellers of circumference array setting in the impeller pivot, the impeller can be dismantled with the impeller pivot and be connected.

Through adopting above-mentioned technical scheme, water gets into the intake antrum from the inlet tube, then get into in the impeller box from the water inlet of impeller box, strike the impeller, the impeller begins to rotate, water flows into out the water cavity by the delivery port on impeller box upper portion again, flow into the outlet pipe from going out the water cavity, turn into the metering value of water along with the rotation number of turns of impeller through metering device with the impeller pivot, and show, the impeller can be dismantled with the impeller pivot and be connected, make the change and the maintenance of impeller more convenient, need not to change whole impeller subassembly, the maintenance cost is low, long service life.

The utility model discloses a further set up to: the impeller is characterized in that a plurality of impeller mounting grooves are circumferentially formed in the impeller rotating shaft, one side of the impeller is tightly abutted to the side wall of one side of each impeller mounting groove, and the other side of the impeller is tightly abutted to the other side of each impeller mounting groove through a wedge-shaped locking mechanism.

Through adopting above-mentioned technical scheme, the impeller is installed and is locked through wedge locking mechanism in the impeller mounting groove to realize dismantling of impeller and impeller pivot and be connected, wedge locking mechanism can adapt to the installation of the impeller of different thickness, and the commonality is good.

The utility model discloses a further set up to: the wedge-shaped locking mechanism comprises a wedge-shaped pressing block and a wedge-shaped driving block, one side of the wedge-shaped pressing block is abutted to the side wall of the impeller, the other side of the wedge-shaped pressing block is abutted to one side of the wedge-shaped driving block through a wedge-shaped inclined surface, and the other side of the wedge-shaped driving block is abutted to the impeller mounting groove.

Through adopting above-mentioned technical scheme, wedge drive piece utilizes wedge inclined plane drive wedge compact heap to the tight one side removal of wedge compact heap and impeller mounting groove support to compress tightly the impeller in the impeller mounting groove, thereby realize dismantling the connection of impeller.

The utility model discloses a further set up to: be equipped with the determining deviation between the bottom of wedge drive block and the bottom of impeller mounting groove, be equipped with the bolt hole on the wedge drive block, the bottom surface of bolt hole perpendicular to impeller mounting groove, the bottom surface of impeller mounting groove still be equipped with bolt hole assorted screw hole, the bolt hole on the wedge drive block passes through the locking bolt and is connected with the screw hole of the bottom of impeller mounting groove.

Through adopting above-mentioned technical scheme, be equipped with the determining deviation between the bottom of wedge drive block and the bottom of impeller mounting groove, guarantee that the wedge drive block can reciprocate along the impeller mounting groove, therefore, can stimulate the wedge drive block along impeller mounting groove up-and-down motion through rotatory locking bolt, when wedge drive block upward movement, the wedge inclined plane of wedge drive block gradually with the wedge inclined plane separation of wedge compact heap, the impeller is the unclamping state this moment, when wedge drive block downward movement, the wedge face of wedge drive block gradually with the wedge inclined plane contact of wedge compact heap and support the wedge compact heap to one side of impeller mounting groove gradually tightly, until the impeller is fixed in the impeller mounting groove, just can install and dismantle the impeller because of only needing rotatory locking bolt, the operation is simple, high efficiency.

The utility model discloses a further set up to: elastic pads are arranged on two sides of the impeller.

Through adopting above-mentioned technical scheme, the cushion of impeller both sides not only can increase its and wedge compact heap and impeller mounting groove between frictional force, prevent the impeller roll-off, improved the reliability of impeller unit mount greatly, but also can accumulate certain elasticity, guarantee good tight effect of clamp.

The utility model discloses a further set up to: the water inlet of the impeller box is positioned below the impeller assembly, and the water outlet of the impeller box is positioned above the impeller assembly.

By adopting the technical scheme, the water inlet of the impeller box is positioned below the impeller assembly, and the water outlet of the impeller box is positioned above the impeller assembly, so that water flow enters the casing from the water inlet and impacts the impeller assembly along the axis direction after entering the casing, and the impeller assembly rotates and then flows out from the water outlet.

The utility model discloses a further set up to: a filter screen is arranged in the water inlet cavity in the meter shell, and the water inlet of the impeller box is provided with

Through adopting above-mentioned technical scheme, the filter screen is arranged in filtering the water in the intake antrum, prevents that aquatic impurity from getting into in the impeller box to cause the influence to the impeller subassembly in the impeller box.

The utility model has the advantages that:

1. the utility model discloses well impeller can be dismantled with the impeller pivot and be connected for the change and the maintenance of impeller are more convenient, need not to change whole impeller subassembly, and the maintenance cost is low, long service life.

2. The utility model discloses well wedge locking mechanism comes the pulling wedge drive block through rotatory locking bolt and follows the impeller mounting groove up-and-down motion, and the wedge drive block utilizes wedge inclined plane drive wedge compact heap to the removal of tight one side to wedge compact heap and impeller mounting groove at the in-process of up-and-down motion to compress tightly the impeller in the impeller mounting groove, thereby realize dismantling of impeller and connect, operate into simply, efficient.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic partial sectional view of a vertical spiral detachable water meter of the present invention.

Fig. 2 is an external schematic view of the detachable water meter with vertical spiral wing of the present invention.

Fig. 3 is a schematic sectional structure view of the impeller assembly in the vertical spiral detachable water meter of the present invention.

Fig. 4 is a partially enlarged schematic view of a in fig. 3.

In the figure, 1, a watch case; 11. a water inlet cavity; 12. a water outlet cavity; 2. a water inlet pipe; 3. a water outlet pipe; 4. an impeller case; 41. a water inlet; 42. a water outlet; 43. an impeller assembly; 431. an impeller shaft; 432. an impeller; 433. an impeller mounting groove; 434. an elastic pad; 5. a wedge-shaped locking mechanism; 51. a wedge-shaped compaction block; 52. a wedge-shaped driving block; 53. bolt holes; 54. a threaded hole; 55. locking the bolt; 6. a filter screen; 7. a metering device.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 4, a detachable water meter with vertical spiral wing comprises a meter case 1, wherein a water inlet cavity 11 and a water outlet cavity 12 are arranged in the meter case 1, the water inlet cavity 11 is communicated with a water inlet pipe 2, the water outlet cavity 12 is communicated with a water outlet pipe 3, an impeller box 4 is arranged between the water inlet cavity 11 and the water outlet cavity 12, a water inlet 41 of the impeller box 4 is communicated with the water inlet cavity 11, a water outlet 42 of the impeller box 4 is communicated with the water outlet cavity 12, an impeller assembly 43 is arranged in the impeller box 4, the impeller assembly 43 comprises an impeller rotating shaft 431 in transmission connection with a metering device 7 and a plurality of impellers 432 arranged on the impeller rotating shaft 431 in a circumferential array manner, and the impellers 432 are detachably connected with the impeller rotating shaft 431.

Further, a plurality of impeller mounting grooves 433 are circumferentially arranged on the impeller rotating shaft 431, one side of the impeller 432 is tightly abutted to the side wall of one side of the impeller mounting groove 433, and the other side of the impeller 432 is tightly abutted to the other side of the impeller mounting groove 433 through a wedge-shaped locking mechanism 5.

Further, the wedge-shaped locking mechanism 5 comprises a wedge-shaped pressing block 51 and a wedge-shaped driving block 52, one side of the wedge-shaped pressing block 51 is abutted against the side wall of the impeller 432, the other side of the wedge-shaped pressing block 51 is abutted against one side of the wedge-shaped driving block 52 through a wedge-shaped inclined surface, and the other side of the wedge-shaped driving block 52 is abutted against the impeller mounting groove 433.

Further, a certain distance is arranged between the bottom of the wedge-shaped driving block 52 and the bottom of the impeller mounting groove 433, a bolt hole 53 is formed in the wedge-shaped driving block 52, the bolt hole 53 is perpendicular to the bottom surface of the impeller mounting groove 433, a threaded hole 54 matched with the bolt hole 53 is further formed in the bottom surface of the impeller mounting groove 433, and the bolt hole 53 in the wedge-shaped driving block 52 is connected with the threaded hole 54 in the bottom of the impeller mounting groove 433 through a locking bolt 55.

Further, elastic pads 434 are disposed on two sides of the impeller 432.

Further, the water inlet 41 of the impeller box 4 is positioned below the impeller assembly 43, and the water outlet 42 of the impeller box 4 is positioned above the impeller assembly 43.

Furthermore, a filter screen 6 is arranged in the water inlet cavity 11 in the meter shell 1, and the water inlet 41 of the impeller box 4 is arranged.

The utility model discloses a theory of operation: water enters the water inlet cavity 11 from the water inlet pipe, then enters the impeller box 4 from the water inlet 41 of the impeller box 4, impacts the impeller 432, the impeller 432 starts to rotate, the water flows into the water outlet cavity 12 from the water outlet at the upper part of the impeller box 4, flows into the water outlet pipe 3 from the water outlet cavity 12, the impeller rotating shaft 431 is converted into a measured value of the water along with the rotating turns of the impeller 432 through the metering device 7, and the measured value is displayed, the impeller 432 is detachably connected with the impeller rotating shaft 431, so that the replacement and maintenance of the impeller 432 are more convenient, the wedge-shaped driving block 52 is pulled to move up and down along the impeller mounting groove 433 by rotating the locking bolt 55 in the wedge-shaped locking mechanism 5, when the wedge-shaped driving block 52 moves up, the wedge-shaped inclined surface of the wedge-shaped driving block 52 is gradually separated from the wedge-shaped inclined surface of the wedge-shaped pressing block 51, at the moment, the impeller 432 is in a loose state, the impeller 432 can be disassembled, when the wedge-shaped driving block 52 moves down, the wedge-shaped surface of the wedge-shaped driving block 52 gradually contacts with the wedge-shaped inclined surface of the wedge-shaped pressing block 51 and gradually supports the wedge-shaped pressing block 51 to one side of the impeller mounting groove 433 tightly until the impeller 432 is fixed in the impeller mounting groove 433, so that the impeller 432 is mounted and dismounted only by rotating the locking bolt 55, and the operation is simple and efficient.

Claims

1. The utility model provides a removable water gauge of perpendicular spiral shell wing which characterized in that: including watchcase (1), be equipped with intake antrum (11) and play water cavity (12) in watchcase (1), intake antrum (11) and inlet tube (2) intercommunication, it communicates with outlet pipe (3) to go out water cavity (12), be equipped with impeller box (4) between intake antrum (11) and play water cavity (12), water inlet (41) and intake antrum (11) intercommunication of impeller box (4), delivery port (42) and play water cavity (12) intercommunication of impeller box (4), be equipped with impeller subassembly (43) in impeller box (4), impeller subassembly (43) include impeller pivot (431) and the circumference array setting a plurality of impellers (432) on impeller pivot (431) of being connected with metering device (7) transmission, impeller (432) can be dismantled with impeller pivot (431) and be connected.

2. A vertical, spiral, removable water meter according to claim 1, further comprising: the impeller is characterized in that a plurality of impeller mounting grooves (433) are circumferentially formed in the impeller rotating shaft (431), one side of the impeller (432) is tightly abutted to the side wall of one side of each impeller mounting groove (433), and the other side of the impeller (432) is tightly abutted to the other side of each impeller mounting groove (433) through a wedge-shaped locking mechanism (5).

3. A vertical, spiral, removable water meter according to claim 2, further comprising: the wedge-shaped locking mechanism (5) comprises a wedge-shaped pressing block (51) and a wedge-shaped driving block (52), one side of the wedge-shaped pressing block (51) is abutted against the side wall of the impeller (432), the other side of the wedge-shaped pressing block (51) is abutted against one side of the wedge-shaped driving block (52) through a wedge-shaped inclined surface, and the other side of the wedge-shaped driving block (52) is abutted against an impeller mounting groove (433).

4. A vertical, spiral, removable water meter according to claim 3, further comprising: be equipped with a determining deviation between the bottom of wedge drive piece (52) and the bottom of impeller mounting groove (433), be equipped with bolt hole (53) on wedge drive piece (52), the bottom surface of bolt hole (53) perpendicular to impeller mounting groove (433), the bottom surface of impeller mounting groove (433) still is equipped with screw hole (54) with bolt hole (53) assorted, bolt hole (53) on wedge drive piece (52) are connected through locking bolt (55) and screw hole (54) of the bottom of impeller mounting groove (433).

5. The vertical spiral detachable water meter of claim 4, further comprising: elastic pads (434) are arranged on two sides of the impeller (432).

6. A vertical, spiral, removable water meter according to claim 1, further comprising: the water inlet (41) of the impeller box (4) is positioned below the impeller assembly (43), and the water outlet (42) of the impeller box (4) is positioned above the impeller assembly (43).

7. A vertical, spiral, removable water meter according to claim 1, further comprising: a filter screen (6) is arranged in a water inlet cavity (11) in the meter shell (1), and a water inlet (41) of the impeller box (4) is formed.