CN113865664A

CN113865664A - Adjust water gauge core

Info

Publication number: CN113865664A
Application number: CN202111328721.1A
Authority: CN
Inventors: 张新忠; 金林峰; 蒋敏娣; 李磊; 王会贞; 常前程
Original assignee: Wenling Younio Water Meter Co ltd
Current assignee: Wenling Younio Water Meter Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2021-12-31
Anticipated expiration: 2041-11-10
Also published as: CN113865664B

Abstract

The invention provides a movement for adjusting a water meter, and belongs to the technical field of water meters. It has solved the problem that current water gauge measurement accuracy is low. This adjust water gauge core is including the support that is equipped with the impeller and the blind flange of locating support, set up the first mouth and the second mouth that overflows that the water supply flow passes through on the support, and be equipped with the adjusting part who adjusts the first mouth aperture that overflows on the support, be equipped with on the support and be located the impeller front portion and be used for carrying out the guide plate that leads to rivers, the guide plate, first mouth and the second mouth that overflows is triangular distribution, swing joint has the second that is used for adjusting the second and overflows the mouth aperture on the support and flows the board, the through hole has been seted up on the blind flange, the spiro union has the regulation pole of wearing to locate in the through hole on the second flows the board. This adjust water table machine core has the advantage that improves water gauge measurement accuracy when guaranteeing the water gauge and adjusting the convenience.

Description

Adjust water gauge core

Technical Field

The invention belongs to the technical field of water meters, and relates to a movement for adjusting a water meter.

Background

The water meter is a meter for measuring water flow, mostly for measuring accumulated flow of water, and generally includes two types, namely a positive displacement water meter and a velocity water meter. The speed type water meter comprises a horizontal spiral wing type water meter suitable for a large-diameter pipeline, and the speed type water meter comprises a meter shell, an error adjusting device, an impeller, a worm gear mechanism, a dial plate, a support with a water inlet and a water outlet and a flange cover of a positioning support, wherein the impeller is arranged on the support to form a water meter movement, the support is positioned in the meter shell, the flange cover is connected with the meter shell, and the flange cover is positioned between the dial plate and the meter shell. When the horizontal spiral wing type water meter is used, the axis of an impeller of the water meter is generally parallel to or coincided with the axis of a tap water pipeline, and the impeller of the water meter adopts a spiral wing shape. When water flows into the water meter, the water impacts the impeller to rotate along the axial direction of the impeller and then flows out, the rotating speed of the impeller is in direct proportion to the water flow speed, the water is transmitted by the worm and gear mechanism, and the total amount of the water passing through the meter shell is displayed on the counting mechanism. Therefore, the stable rotation of the impeller has great relation to the measuring range, sensitivity, precision and flow capacity of the water meter.

When the flow of water is too large, the impeller is impacted by the overloaded water flow, and in order to avoid the overloaded water flow from impacting the impeller as far as possible, the technical personnel in the field can easily think that the shell is additionally provided with the overflowing port for the water flow to pass through, but the movement body is positioned in the meter shell, so when the size of the adjusting port is required to be adjusted, the movement body needs to be detached from the meter shell, and the water meter has the problem of poor adjusting convenience. Meanwhile, the opening of the adjusting port influences the circulation balance of the impeller, namely the water flow circulation of the impeller close to the adjusting port is large, and accordingly the water flow impact force at the position is larger, the position of the impeller is prone to being deflected under the impact effect of the water flow after long-term use, so that the impact force of the water flow on the impeller is increased, the rotation stability of the impeller is reduced, and the measurement accuracy of the water meter is reduced.

Disclosure of Invention

The invention aims to solve the problems in the prior art, provides a water meter movement adjusting mechanism, and solves the problem of low measurement precision of a water meter while ensuring the convenience of adjustment.

The purpose of the invention can be realized by the following technical scheme: the utility model provides an adjust water gauge core, is including the support that is equipped with the impeller and the blind flange of locating support, set up the first mouth and the second mouth that overflows that supply rivers pass through on the support, and be equipped with the adjusting part who adjusts first mouth aperture that overflows on the support, a serial communication port, be equipped with on the support and be located the impeller front portion and be used for carrying out the guide plate that leads to rivers, guide plate, first mouth and the second mouth that overflows are the triangular distribution, swing joint has the second flow baffle that is used for adjusting second mouth aperture that overflows on the support, has seted up the through hole on the blind flange, the spiro union has the regulation pole of wearing to locate in the through hole on the second flow baffle.

Can lead towards the rivers that the impeller flows through being located the anterior guide plate of impeller, adjust the aperture of first overflow mouth through adjusting part for it is controllable through the rivers flow of first overflow mouth, that is to say that the producer can just carry out extensive setting to the aperture of first overflow mouth and the angle of guide plate before the water gauge core leaves the factory. Because of adjusting the second and overflowing the regulation pole of mouthful aperture and wear to establish in the through-hole, and the blind flange is the position that installer easily goes out to touch for the aperture of second overflow mouth can be confirmed according to practical application occasion to the water gauge core, and need not to dismantle the support from the watchcase and go out, makes the water gauge core can the flow interval controllable of circulation, with this rotational stability who improves the impeller. On this basis, combine the guide plate, first excessive mouth and second excessive mouth are the structure of triangular distribution, make rivers be three bundles and pass through the casing, and the line of three bundles of rivers is three horn shapes, the skew takes place for the impeller position is avoided to the at utmost, this application is through the mode of optimizing rivers circulation route through the setting of structure promptly, further improve the rotational stability of impeller, make the rotational balance that still can the at utmost guarantee the impeller when the movement bears great rivers flow, guarantee from this to adjust the measurement accuracy that improves the water gauge when the convenience.

In the above-mentioned regulation water gauge core, first overflow mouth and second overflow mouth all set up in the top of support, and distribute in the both sides of impeller, the guide plate is located the bottom of support. The first overflowing opening and the second overflowing opening are combined to be arranged, so that water flow passes through the shell from two sides of the impeller at the same time, the water flow on two sides of the impeller is balanced, the possibility that the position of the impeller is inclined is avoided as far as possible, and the rotation balance of the impeller can be guaranteed to the maximum degree when the machine core bears large water flow.

In foretell regulation water gauge core, the support is including the water inlet and the preceding fairing of cover outside locating the impeller and have the back fairing seat that holds chamber and delivery port, preceding fairing inlays to be located and holds the intracavity and form above-mentioned support, first overflow mouth and second overflow mouth are all seted up on the back fairing seat, the guide plate is positioned on the preceding fairing seat. Because of rivers are from the water inlet inflow, rivers flow through preceding fairing in proper order, the impeller, back fairing seat, through with the support split for preceding fairing and back fairing seat, and inlay the preceding fairing that is equipped with the impeller and locate on the back fairing seat, take place hard contact with back fairing seat when avoiding the impeller to receive rivers to strike, and through the guide plate, first mouth and the second mouth that overflows optimize rivers route, the impeller through preceding fairing suspension back fairing when rivers pass through the casing on the fairing seat, improve the rotational stability of impeller.

In foretell regulation water gauge core, the bottom of blind flange has the mounting groove, back fairing seat inlays and locates in the mounting groove, through hole and mounting groove intercommunication, adjusting part includes the bolt and is used for adjusting the first fender of first mouth aperture of overflowing and flows the board, the head of bolt is located the mounting groove, and pole portion and first fender stream board spiro union. Inlay the mounting groove with back fairing seat, improve the installation stability of back fairing seat, the mounting groove plays the effect of protection to the bolt, avoids first regulating part to be strikeed by rivers. Meanwhile, the accuracy of adjusting the opening of the first overflowing opening is improved by adopting threaded connection, so that the rotation balance of the impeller is ensured.

In foretell regulation water gauge core, back fairing seat has the frame of inlaying in locating the mounting groove, and the frame inner wall is equipped with the first slide that holds first fender stream board and holds the second slide that the second kept off stream board, first slide and second slide all support with the tank bottom of mounting groove and lean on, set up the first slide that extends to first slide on the wall of first overflow mouth, set up the second slide that extends to the second slide on the wall of second overflow mouth. The first flow baffle moves along the first slide to realize the opening adjustment of the first overflowing port, the second flow baffle moves along the second slide to realize the opening adjustment of the second overflowing port, the first flow baffle can be embedded into the first overflowing port, and the second flow baffle can be embedded into the second overflowing port.

In the aforesaid adjust water gauge core, the connecting hole has been seted up on the second baffling board, the connecting hole has the spiro union section of screw thread and connects the yield section of spiro union section, the yield section accounts for 1/3 of connecting hole total length at least, and the aperture of the hole of stepping down is greater than the aperture of spiro union section. The spiro union section avoids adjusting the spiro union length overlength of pole and second fender and flows the board, lets the position section for letting the rotation of position piece provide the space of stepping down, avoids adjusting the pole and takes place the jamming at the rotation in-process for adjust the pole and drive the stable removal of second fender board, in order to guarantee that the second overflows a mouthful aperture and adjusts the precision.

In foretell regulation water gauge core, the hole of stepping down has been seted up on the second slide, it has the diameter to be greater than the portion of leaning on in through hole aperture to adjust the pole, the portion of leaning on is located the hole of stepping down, be equipped with on the blind flange and make by rubber material and paste the retaining ring that leans on the portion of leaning on. The support part limits the length of the adjusting rod capable of stretching into the connecting hole, the structure reduces impact of water flow to the support and transmits the impact to the flange cover through the adjusting rod on one hand, and the support part plays a positioning role on the other hand, so that the rotation stability of the adjusting rod is improved, and the movement stability of the second flow baffle plate is further ensured.

In the regulating water meter movement, the first overflowing port and the second overflowing port are the same in shape, the calibers of the first overflowing port and the second overflowing port are gradually reduced from the flange cover to the support, and the first overflowing port and the second overflowing port are symmetrically arranged relative to the axis of the impeller. The structure that first overflow mouth and second overflow mouth shape are the same and the symmetry sets up the assurance that more is favorable to the circulation flow balance of impeller both sides, simultaneously, through the change of first overflow mouth and second overflow mouth bore, improves flow control's precision to satisfy the demand of different circulation flows.

In the above-mentioned regulation water gauge core, the guide plate is vertical to be set up, and has the clearance between guide plate and the impeller, be equipped with the mounting panel that has the arc wall on the outer wall of preceding rectification cover, the water gauge core still includes the bolt of locating the guide plate in the arc wall. Not hard up bolt makes it to remove along the arc wall, realizes the regulation to the guide plate angle, and the angle of guide plate can match with the aperture of first overflowing mouth and the aperture of second overflowing mouth, further improves flow control's precision to guarantee impeller pivoted stability.

Compared with the prior art, the adjustable water meter movement provided by the invention has the following advantages:

1. through first overflow mouth, second overflow mouth for the support can bear the weight of the rivers circulation that exceeds the impeller and bear, and combine the guide plate, make rivers pass through the circulation route of support and optimize to the position of first overflow mouth and second overflow mouth, still can guarantee the rotational stability of impeller under the circumstances that the support circulation exceeds the impeller and bear, improve the measurement accuracy of water gauge from this.

2. Through wearing to establish the regulating part in the through hole, install the back in the watchcase when the water gauge core, still can adjust the aperture of second overflow mouth, because of regulating part and second fender stream board spiro union, this kind of connected mode has improved the accuracy that the aperture of second overflow mouth was adjusted to guarantee the rotational stability of impeller, improve the measurement accuracy of water gauge from this.

Drawings

Figure 1 is a cross-sectional view of the present regulating water meter cartridge.

Fig. 2 is a partially enlarged view a of fig. 1.

Fig. 3 is a schematic view of the overall structure of the movement of the water meter.

Fig. 4 is an exploded view of fig. 3.

Fig. 5 is a partially enlarged view B of fig. 3.

In the figure, 1, a bracket; 11. a first flow port; 12. a second flow port; 13. an outer frame; 14. a first slider; 15. a second slide carriage; 151. a hole of abdication; 16. a first slideway; 17. a second slideway; 2. an impeller; 3. a flange cover; 31. a through hole; 32. mounting grooves; 4. an adjustment assembly; 41. a bolt; 42. a first flow baffle; 421. a threaded hole; 43. a partition plate; 51. adjusting a rod; 511. an abutting portion; 512. an adjustment groove; 52. a second flow baffle; 521. connecting holes; 522. a screw joint section; 523. a bit-yielding segment; 6. a retainer ring; 7. a front rectifying sleeve; 71. a water inlet; 8. a rear rectifying base; 81. an accommodating chamber; 82. a water outlet; 9. a baffle; 10. mounting a plate; 101. an arc-shaped groove.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, the adjusting water meter movement comprises a bracket 1 provided with an impeller 2 and a flange cover 3 for positioning the bracket 1.

As shown in fig. 2-4, the bracket 1 includes a front rectifying sleeve 7 having a water inlet 71 and sleeved outside the impeller 2, and a rear rectifying base 8 having a receiving cavity 81 and a water outlet 82, wherein the front rectifying sleeve 7 is embedded in the receiving cavity 81 and forms the bracket 1. Set up respectively on the back fairing seat 8 and be located the both sides of impeller 2 and be used for the first excessive flow mouth 11 and the second excessive flow mouth 12 that supply rivers to pass through, the shape of first excessive flow mouth 11 is the same with the shape of second excessive flow mouth 12, and the bore of both reduces from the direction of blind flange 3 to support 1 gradually, and first excessive flow mouth 11 and second are crossed mouthful and are set up for the axis symmetry of impeller 2. The bracket 1 is provided with an adjusting component 4 for adjusting the opening degree of the first flow through opening 11.

As shown in fig. 3, a second flow baffle 52 for adjusting the opening of the second flow passage 12 is movably connected to the bracket 1, a through hole 31 is formed in the flange cover 3, and an adjusting rod 51 inserted into the through hole 31 is screwed on the second flow baffle 52. The adjusting part 4 includes that be shaft-like bolt 41 and the first fender stream board 42 of the first mouth 11 that overflows of ability shutoff, mounting groove 32 has been seted up to the bottom of blind flange 3, support 1 is including inlaying the frame 13 of locating in mounting groove 32, frame 13 inner wall is equipped with the first slide 14 that holds first fender stream board 42 and holds the second slide 15 of second fender stream board 52, first slide 14 and second slide 15 all lean on with the tank bottom of mounting groove 32, set up the first slide 16 that extends to first slide 14 on the wall of first mouth 11 that overflows, set up the second slide 17 that extends to second slide 15 on the wall of second mouth 12 that overflows.

The flange cover 3 is provided with a through hole 31, the through hole 31 is communicated with the mounting groove 32, as shown in fig. 2, the second flow baffle 52 is provided with a connecting hole 521, the connecting hole 521 is provided with a threaded screw section 522 and an abdicating section 523 for connecting the threaded screw section 522, the abdicating section 523 at least occupies 1/3 of the total length of the connecting hole 521, the aperture of the abdicating hole 151 is larger than that of the threaded screw section 522, one end of an adjusting rod 51 is inserted into the through hole 31, the other end of the adjusting rod is in threaded connection with the threaded screw section 522, and an end face of one end of the adjusting rod 51 inserted into the through hole 31 is provided with an adjusting groove 512 in a straight shape; the first baffle plate 42 is provided with a threaded hole 421, the head of the bolt 42 is positioned in the mounting groove 32 and abuts against the first slide seat 14, the rod part is screwed with the threaded hole 421, the shell is connected with a partition plate 43 abutting against the bottom of the mounting groove 32, and the head of the bolt 41 abuts against the partition plate 43.

The second slide carriage 15 is provided with a yielding hole 151, the adjusting rod 51 is provided with a supporting portion 511, the diameter of the supporting portion 511 is larger than the aperture of the yielding hole 151, the second flow baffle 52 supports against the supporting portion 511, the supporting portion 511 is located in the yielding hole 151, and the flange cover 3 is embedded with a retaining ring 6 which is made of rubber materials and supports against the supporting portion 511.

As shown in fig. 5, be equipped with the guide plate 9 that is located water inlet 71 department on the preceding rectifying sleeve 7, guide plate 9 is vertical to be set up, and has the clearance between guide plate 9 and the impeller 2, be equipped with the mounting panel 10 that has arc wall 101 on the outer wall of preceding rectifying sleeve 7, guide plate 9 passes through the bolt location in arc wall 101, guide plate 9, first mouth 11 and the second mouth 12 of overflowing are triangular distribution. The first overflowing opening 11 and the second overflowing opening 12 are both arranged at the top of the support 1 and distributed on two sides of the impeller 2, and the guide plate 9 is positioned at the bottom of the support 1.

This core can be used on current horizontal spiral shell wing formula water gauge, and horizontal spiral shell wing formula water gauge is used in industrial field usually, therefore the core need bear great rivers flow usually. Before the movement is installed, the opening degrees of the first overflowing port 11 and the second overflowing port 12 are adjusted through the bolt 41 and the adjusting rod 51, and then the support 1 is embedded into the installation groove 32 and connected with the installation groove, so that the support 1 is positioned on the flange cover 3. The conventional wristwatch case has an inflow port, an outflow port, and a mounting port. When the core is installed, stretch into the core by the mounting hole of watchcase, connect the watchcase and shelter from the installing port through blind flange 3, when needs are balanced first opening 11 and the second opening 12 that overflows, under the prerequisite of not dismantling the core, adjust pole 51 and adjust the opening of second opening 12 that overflows through rotating, with the balanced rivers flow that passes through 2 both sides of impeller, with the rotational stability of further guaranteeing the core, improve the measurement accuracy of water gauge when guaranteeing to adjust the convenience from this.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although the terms of the bracket 1, the first flow passing port 11, the second flow passing port 12, the outer frame 13, the first slide seat 14, the second slide seat 15, the relief hole 151, the first slide way 16, the second slide way 17, the impeller 2, the flange cover 3, the through hole 31, the mounting groove 32, the adjusting assembly 4, the bolt 41, the first baffle plate 42, the threaded hole 421, the partition plate 43, the adjusting rod 51, the abutting portion 511, the adjusting groove 512, the second baffle plate 52, the connecting hole 521, the threaded section 522, the relief section 523, the baffle 6, the front rectifying sleeve 7, the water inlet 71, the rear rectifying seat 8, the accommodating cavity 81, the water outlet 82, the baffle 9, the mounting plate 10, the arc-shaped groove 101, and the like are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. An adjustable water meter movement comprises a bracket (1) provided with an impeller (2) and a flange cover (3) for positioning the bracket (1), a first overflowing opening (11) and a second overflowing opening (12) for water to pass through are arranged on the bracket (1), and the bracket (1) is provided with an adjusting component (4) for adjusting the opening of the first overflowing opening (11), it is characterized in that a guide plate (9) which is positioned at the front part of the impeller (2) and used for guiding water flow is arranged on the bracket (1), the guide plate (9), the first overflowing port (11) and the second overflowing port (12) are distributed in a triangular shape, a second flow baffle (52) used for adjusting the opening degree of the second overflowing opening (12) is movably connected on the bracket (1), a through hole (31) is arranged on the flange cover (3), the second flow baffle (52) is screwed with an adjusting rod (51) which is arranged in the through hole (31) in a penetrating way.

2. An adjustable water meter movement according to claim 1, wherein the first (11) and second (12) flow ports are both provided at the top of the support (1) and are distributed on both sides of the impeller (2), and the deflector (9) is positioned at the bottom of the support (1).

3. An adjustable water meter movement according to claim 1 or 2, wherein the support (1) includes a front rectifying sleeve (7) which is provided with a water inlet (71) and is sleeved outside the impeller (2) and a rear rectifying base (8) which is provided with a containing cavity (81) and a water outlet (82), the front rectifying sleeve (7) is embedded in the containing cavity (81) and forms the support (1), the first overflowing port (11) and the second overflowing port (12) are both provided on the rear rectifying base (8), and the guide plate (9) is positioned on the front rectifying sleeve (7).

4. An adjusting water meter movement according to claim 3, characterized in that the bottom of the flange cover (3) has a mounting groove (32), the rear rectifying seat (8) is embedded in the mounting groove (32), the through hole (31) is communicated with the mounting groove (32), the adjusting assembly (4) comprises a bolt (41) and a first flow baffle (42) for adjusting the opening of the first flow port (11), the head of the bolt (41) is located in the mounting groove (32), and the rod part is screwed with the first flow baffle (42).

5. An adjustable water meter movement according to claim 3, wherein the rear rectifying seat (8) has an outer frame (13) embedded in the mounting groove (32), a first slide (14) accommodating the first flow baffle (42) and a second slide (15) accommodating the second flow baffle (52) are disposed on the inner wall of the outer frame (13), the first slide (14) and the second slide (15) are both abutted against the bottom of the mounting groove (32), a first slide (16) extending to the first slide (14) is disposed on the wall surface of the first overflowing port (11), and a second slide (17) extending to the second slide (15) is disposed on the wall surface of the second overflowing port (12).

6. An adjustable water meter movement according to claim 1 or 2, wherein the second flow baffle (52) is provided with a connecting hole (521), the connecting hole (521) is provided with a screw joint section (522) and an abdicating section (523) connected with the screw joint section (522), the abdicating section (523) at least occupies 1/3 of the total length of the connecting hole (521), the aperture of the abdicating hole (151) is larger than that of the screw joint section (522), and the adjusting rod (51) is in screw joint with the screw joint section (522).

7. An adjusting water meter movement according to claim 4, characterized in that the second slide (15) is provided with a relief hole (151), the adjusting rod (51) is provided with a support portion (511) with a diameter larger than the aperture of the through hole (31), the support portion (511) is located in the relief hole (151), and the flange cover (3) is provided with a retainer ring (6) made of rubber material and supporting the support portion (511).

8. An adjusting water meter movement according to claim 1 or 2, characterized in that the first flow port (11) and the second flow port (12) are of the same shape and have a diameter which decreases from the flange cover (3) to the bracket (1), and the first flow port (11) and the second flow port are arranged symmetrically with respect to the axis of the impeller (2).

9. An adjustable water meter movement according to claim 3, wherein the deflector (9) is vertically disposed with a gap between the deflector (9) and the impeller (2), the outer wall of the front rectifying sleeve (7) is provided with a mounting plate (10) having an arc-shaped groove (101), and the water meter movement further comprises a bolt for positioning the deflector (9) in the arc-shaped groove (101).