CN211527519U

CN211527519U - Water meter with adjustable movement

Info

Publication number: CN211527519U
Application number: CN201922448070.4U
Authority: CN
Inventors: 姜开德; 莫言田; 姜自成; 张其燕; 姜杰; 朱家虎
Original assignee: Jianghua Group Co ltd
Current assignee: Jianghua Group Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-09-18
Anticipated expiration: 2029-12-28

Abstract

The utility model discloses a water meter with adjustable core, which comprises a shell, a core, a trapezoidal block, a snap ring and a connecting plate, wherein one end of the shell is communicated with a water outlet pipe, the snap ring is fixedly welded on the inner wall of the shell, the edge of the bottom end of the snap ring is fixedly connected with a lower sealing ring, the top end of the shell is movably connected with a protective cover through a hinge, the connecting plate is fixedly connected with a reset spring on one side close to a support rod, one end of the reset spring is fixedly connected on a pressure plate, the reset spring is fixedly connected between the connecting plate and the pressure plate, the core is movably clamped in the shell through the snap ring, an upper sealing ring is fixedly sleeved on the outer wall of the core, the water meter with adjustable core can fixedly clamp the core in the shell through the matching of the snap ring, the pressure plate, reach the effect that can dismantle the core, solved the problem of being not convenient for dismantle the maintenance when the damage appears in the water gauge.

Description

Water meter with adjustable movement

Technical Field

The utility model relates to a flow instrument technical field specifically is a water gauge with adjustable core.

Background

The shell of the traditional water meter is cast by pig iron, a machine core is arranged in the shell, an impeller is arranged below the machine core, a gear is arranged on a wheel shaft of the impeller, a plurality of gear shafts which are meshed in sequence are arranged in the machine core, one gear shaft is meshed with the gear of the impeller, a pointer is arranged on the gear shaft, and a dial is printed on the upper surface of the machine core. When water flows through the inside of the water meter, the impeller is driven to rotate, and the impeller drives the gear shaft to rotate, so that the pointer rotates to realize the measurement of water amount, the structure of the impeller metering mechanism of the core of the current common water meter is that an inclined hole is drilled at the bottom of an impeller box and is provided with an adjusting plate, when the opening amount of the adjusting plate is increased, a flow error curve moves downwards, when the opening amount of the adjusting plate is decreased, the flow error curve moves upwards, the opening is adjusted to a proper position through the adjusting plate, so that the errors of a plurality of main flow points meet the national standard requirements, in order to be matched with different shell structures to meet the flow error requirements, the size, the angle and different circumferential central positions of the inclined hole at the bottom of the impeller box are generally adapted to the flow requirements of different shells, and when the water.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a water gauge with adjustable core to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a water gauge with adjustable core, includes casing, core, trapezoidal piece, snap ring and connecting plate, casing one end intercommunication has the water pipe that connects, the casing has the access water pipe at the skew one end intercommunication that connects the water pipe, the fixed welding of snap ring is on shells inner wall, fixedly connected with lower seal circle on the edge of snap ring bottom, there is the visor on the casing top through hinge swing joint, casing top both ends are seted up flutedly, connecting plate quantity is two, two fixed connection is at the casing both ends respectively for the connecting plate, trapezoidal piece one side and bracing piece fixed connection.

The one end of the skew trapezoidal piece of bracing piece runs through connecting plate and recess and swing joint on the casing, the connecting plate fixedly connected with reset spring on the one side that is close to the bracing piece, bracing piece one end fixed connection is on the clamp plate, the clamp plate bottom is equipped with the rubber pad, reset spring one end fixed connection is on the clamp plate, reset spring fixed connection is between connecting plate and clamp plate, the core passes through snap ring activity joint inside the casing, the fixed upper seal circle that has cup jointed on the core outer wall.

Preferably, the connecting plate and the groove are positioned on the same straight line.

Preferably, the return spring is movably sleeved on the support rod.

Preferably, the trapezoidal block is movably connected to the outer wall of the shell through a support rod.

Preferably, the upper sealing ring is positioned between the movement and the snap ring.

Preferably, the length of the pressure plate is smaller than that of the groove, and the height of the pressure plate is larger than the diameter of the support rod.

Preferably, the length of the supporting rod is smaller than that of the groove.

Compared with the prior art, the beneficial effects of the utility model are that: this water gauge with adjustable core can be inside the casing through setting up snap ring, clamp plate, bracing piece and reset spring cooperation with core fixed clamping, utilizes the rubber pad of clamp plate bottom can increase the steadiness of core in the casing, reaches the effect that can dismantle the core, has solved the problem of being not convenient for dismantle the maintenance when the water gauge appears damaging.

The water meter sealing structure has the advantages that the sealing performance of the water meter can be improved by arranging the upper sealing ring and the lower sealing ring, and the problem of water leakage of the water meter is solved by achieving the sealing effect.

Drawings

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

Fig. 2 is an enlarged schematic view of the structure a of the present invention.

Fig. 3 is a schematic view of the top of the structure of the present invention.

In the figure: the water inlet and outlet water pipe comprises a shell 1, a water outlet pipe 2, a water inlet pipe 3, a protective cover 4, a machine core 5, a trapezoidal block 6, a pressing plate 7, an upper sealing ring 8, a lower sealing ring 9, a snap ring 10, a connecting plate 11, a supporting rod 12, a return spring 13, a groove 14 and a rubber pad 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a water gauge with adjustable core, which comprises a housin 1, core 5, trapezoidal piece 6, snap ring 10 and connecting

plate

11, 1 one end intercommunication of casing has and connects outlet pipe 2, casing 1 has the access water pipe 3 at the skew one end intercommunication that connects outlet pipe 2, snap ring 10 fixed welding is on 1 inner wall of casing, fixedly connected with lower seal circle 9 on the edge of snap ring 10 bottom, there is visor 4 on 1 top of casing through hinge swing joint, 1 top both ends of casing are seted up flutedly 14, 11 quantity of connecting plate are two, two connecting plate 11 difference fixed connection are at 1 both ends of casing, connecting plate 11 is located same straight line with

recess

14, 6 one side of trapezoidal piece and bracing piece 12 fixed connection, the length of bracing piece 12 is less than the length of recess 14.

One end of a support rod 12 deviating from the trapezoidal block 6 penetrates through a connecting plate 11 and a groove 14 and is movably connected to the shell 1, the trapezoidal block 6 is movably connected to the outer wall of the shell 1 through the support rod 12 so as to be convenient to operate and pull out a pressing plate 7, a reset spring 13 is fixedly connected to one side of the connecting plate 11 close to the support rod 12, one end of the support rod 12 is fixedly connected to the pressing plate 7, a rubber pad 15 is arranged at the bottom end of the pressing plate 7, the stability between the pressing plate 7 and the movement 5 can be improved by the rubber pad 15, the phenomenon that the movement 5 is unstable due to a gap between the pressing plate 7 and the top of the movement 5 is avoided, the length of the pressing plate 7 is smaller than that of the groove 14, the pressing plate 7 can be moved into the groove 14 to be separated from the top end of the movement 5, the movement 5 can be convenient to take out, the, reset spring 13 fixed connection is between connecting plate 11 and clamp plate 7, utilizes reset spring 13 to make clamp plate 7 get back to the original place when not having the pulling force, drives clamp plate 7 and sticiss on core 5 top, and core 5 passes through snap ring 10 activity joint inside casing 1, and fixed the having cup jointed sealing washer 8 on the 5 outer walls of core, and sealing washer 8 is located between core 5 and the snap ring 10, is favorable to increasing the leakproofness.

The working principle is as follows: when needs maintain the water gauge, through outside pulling trapezoidal piece 6, drive clamp plate 7 simultaneously and remove and break away from the 5 tops of core in to recess 14, be convenient for take out core 5 and maintain the adjustment, during the installation, place core 5 after, loosen trapezoidal piece 6, the effect holding down plate 7 at reset spring 13 returns to the original place to press on the 5 tops of core, utilize rubber pad 15 to be favorable to stabilizing core 5.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a water gauge with adjustable core, includes casing (1), core (5), trapezoidal piece (6), snap ring (10) and connecting plate (11), its characterized in that: one end of the shell (1) is communicated with a water receiving and discharging pipe (2), one end of the shell (1) deviating from the water receiving and discharging pipe (2) is communicated with a water receiving and discharging pipe (3), the snap ring (10) is fixedly welded on the inner wall of the shell (1), the edge of the bottom end of the snap ring (10) is fixedly connected with a lower sealing ring (9), the top end of the shell (1) is movably connected with a protective cover (4) through a hinge, grooves (14) are formed in two ends of the top of the shell (1), the two connecting plates (11) are two in number, the two connecting plates (11) are respectively and fixedly connected to two ends of the shell (1), and one side of the trapezoidal block (6) is fixedly connected with;

the one end of skew trapezoidal piece (6) of bracing piece (12) runs through connecting plate (11) and recess (14) and swing joint on casing (1), fixedly connected with reset spring (13) on one side that is close to bracing piece (12) of connecting plate (11), bracing piece (12) one end fixed connection is on clamp plate (7), clamp plate (7) bottom is equipped with rubber pad (15), reset spring (13) one end fixed connection is on clamp plate (7), reset spring (13) fixed connection is between connecting plate (11) and clamp plate (7), core (5) are inside casing (1) through snap ring (10) swing joint, fixed upper seal circle (8) of having cup jointed on core (5) outer wall.

2. A water meter with an adjustable movement as set forth in claim 1, wherein: the connecting plate (11) and the groove (14) are positioned on the same straight line.

3. A water meter with an adjustable movement as set forth in claim 1, wherein: the return spring (13) is movably sleeved on the support rod (12).

4. A water meter with an adjustable movement as set forth in claim 1, wherein: the trapezoidal block (6) is movably connected to the outer wall of the shell (1) through a support rod (12).

5. A water meter with an adjustable movement as set forth in claim 1, wherein: the upper sealing ring (8) is positioned between the movement (5) and the snap ring (10).

6. A water meter with an adjustable movement as set forth in claim 1, wherein: the length of the pressing plate (7) is smaller than that of the groove (14), and the height of the pressing plate (7) is larger than the diameter of the supporting rod (12).

7. A water meter with an adjustable movement as set forth in claim 1, wherein: the length of the support rod (12) is smaller than that of the groove (14).