High-precision water meter with detachable horizontal spiral wing

Abstract

The utility model discloses a high-precision horizontal spiral wing detachable water meter which comprises a water meter shell, a spiral wing metering unit is arranged at the top of the water meter shell, the water meter further comprises a connecting assembly, the connecting assembly comprises connecting flanges arranged at the two ends of the water meter shell, and fixing bolts are connected to the side edges of the connecting flanges in a penetrating mode; the positioning assembly comprises connecting blocks symmetrically arranged on the sides of the connecting flange, positioning hooks are symmetrically arranged on the sides of the water conveying pipeline flange, locking parts are arranged on the sides of the connecting blocks, and limiting parts are arranged on the sides of the locking parts; the locking part on the side of the connecting flange is used for fixing the positioning hook on the side of the water conveying pipeline flange, the limiting part is used for fixing the locking part, and when the water meter is installed and connected, the connecting flange and the pipeline flange are preliminarily fixed and positioned, so that holes in the flange connecting position are aligned, and fixing bolts can be quickly aligned and inserted conveniently; and the time-consuming operation of flange hole alignment during insertion of the fixing bolts is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of propeller water meters, in particular to a high-precision horizontal propeller detachable water meter. Background Art

[0002] In the water supply system, high-precision horizontal propeller water meter is a common water meter, which is generally used in large-diameter pipelines and is suitable for water metering of water supply trunk lines. It is generally fixed to the water pipeline port flange through flanges at both ends;

[0003] However, during the installation of a water meter, the water meter is usually connected to the flange of the water pipe. During this process, the operator needs to manually lift the water meter and maintain the same position height so that the flange fixing holes at both ends of the water meter are aligned with the fixing holes of the pipe flange, and at the same time, the fixing bolts are inserted into the flange alignment holes. During this process, the manual lifting of the water meter is prone to shaking, resulting in misalignment of the flange alignment holes, which requires realignment, which makes the insertion of the fixing bolts time-consuming.

[0004] Therefore, in order to solve the above-mentioned problems, the present invention proposes a high-precision horizontal propeller detachable water meter. Utility Model Content

[0005] The purpose of the utility model is to provide a high-precision horizontal propeller detachable water meter to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a high-precision horizontal propeller detachable water meter, comprising a water meter housing, a propeller metering unit disposed on the top of the water meter housing, and further comprising:

[0007] A connecting assembly is provided at both ends of the water meter housing and is used to fix the water meter housing and the water pipe. The connecting assembly includes connecting flanges provided at both ends of the water meter housing, the sides of the connecting flanges are interspersed with fixing bolts for connecting to the water pipe, and the sides of the connecting flanges are provided with sealing portions;

[0008] A positioning assembly is used to align the connecting flange with the connecting hole of the water pipe flange. The positioning assembly includes a connecting block symmetrically arranged on the side of the connecting flange, and positioning hooks are symmetrically arranged on the side of the water pipe flange. The side of the connecting block is provided with a locking part for connecting a rotating pull ring, and the side of the locking part is provided with a limiting part for fixing the locking part.

[0009] Preferably, the locking portion includes a fixing seat arranged on the side of the connecting block, a rotating shift block is hingedly connected to one side of the fixing seat close to the positioning hook, and a rotating pull ring for connecting the positioning hook is hingedly connected to one end of the rotating shift block close to the positioning hook.

[0010] Preferably, the limiting portion includes an elastic inserting strip provided on the side of the fixing seat, the end of the elastic inserting strip is inserted and connected to the side of the rotating block, and an oblique protrusion is provided on the side of the insertion end of the elastic inserting strip.

[0011] Preferably, a rotating pin is inserted and connected at the hinge between the rotating shift block and the fixing seat.

[0012] Preferably, a socket is provided on the side of the rotating block, and the socket is used for inserting and clamping the insertion end of the elastic insert.

[0013] Preferably, a rivet is provided at the connection between the fixing seat and the connecting block, and the rivet is used to fix the fixing seat and the connecting block.

[0014] Preferably, the sealing portion includes a rubber pad provided on the side of the connecting flange, and the rubber pad is used to seal the connection between the connecting flange and the water pipe flange.

[0015] The technical effects and advantages of this utility model are:

[0016] The utility model is characterized in that positioning components are symmetrically arranged on the sides of the side connecting flanges at both ends of the water meter housing, and the locking part in the positioning component is used to fix the positioning hooks on the sides of the water supply pipeline flange, and the limiting part fixes the position of the locking part. This design can preliminarily fix and position the connecting flange and the pipeline flange when the water meter is installed and connected to the pipeline, so that the openings at the flange connection are aligned and fixed, which is convenient for the rapid alignment and insertion of the fixing bolts, and avoids the time-consuming operation of aligning the flange holes at the same time as the fixing bolts are inserted. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is one of the schematic structural diagrams of the entire utility model.

[0018] Figure 2 This is the second schematic diagram of the overall structure of the utility model.

[0019] Figure 3 For this utility model Figure 2 A magnified view of the structure at point A.

[0020] Figure 4 This is a partial structural diagram of the positioning component of the utility model.

[0021] Figure 5 It is a cross-sectional view of the positioning component of the utility model.

[0022] In the figure: 1. Water meter housing; 101. Fixing bolt; 102. Propeller metering unit; 2. Connecting flange; 201. Connecting block; 202. Rubber pad; 3. Positioning hook; 4. Fixing seat; 401. Elastic insert; 402. Rotating pin; 403. Rivet; 5. Rotating dial block; 501. Socket; 6. Rotating pull ring. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] The utility model provides Figure 1-5 The high-precision horizontal propeller detachable water meter shown includes a water meter housing 1, a propeller metering unit 102 is provided on the top of the water meter housing 1, and further includes a connecting component and a positioning component;

[0025] It should be noted that the overall reference model of the water meter housing 1 and the propeller metering unit 102 is the working principle of the LXLC-100 propeller water meter;

[0026] Specifically, the connecting components are provided at both ends of the water meter housing 1, and are used to fix the water meter housing 1 and the water pipe. The connecting components include connecting flanges 2 provided at both ends of the water meter housing 1, and the sides of the connecting flanges 2 are interspersed with fixing bolts 101 for connecting to the water pipe. The sides of the connecting flanges 2 are provided with sealing portions.

[0027] It should be noted that the connecting flange 2 is welded and fixed to the water meter housing 1, and the sealing portion includes a rubber pad 202 bonded to the side of the connecting flange 2. The rubber pad 202 is used to seal the connection between the connecting flange 2 and the water pipe flange.

[0028] Specifically, the positioning assembly is used to align the connecting flange 2 with the flange connection hole of the water pipe. The positioning assembly includes a connecting block 201 symmetrically arranged on the side of the connecting flange 2, a positioning hook 3 symmetrically arranged on the side of the water pipe flange, and a locking portion for connecting the rotating pull ring 6 is provided on the side of the connecting block 201;

[0029] It should be noted that the connecting block 201 is welded to the connecting flange 2, and the locking portion includes a fixing seat 4 provided on the side of the connecting block 201. A rotating shift block 5 is hingedly connected to one side of the fixing seat 4 close to the positioning hook 3. A rotating pull ring 6 for connecting to the positioning hook 3 is hingedly connected to one end of the rotating shift block 5 close to the positioning hook 3.

[0030] Specifically, a rivet 403 is provided at the connection between the fixing seat 4 and the connecting block 201, and the rivet 403 is used to fix the fixing seat 4 and the connecting block 201. A rotating pin 402 is inserted and connected at the hinge of the rotating block 5 and the fixing seat 4. After the rotating block 5 is rotated, the rotating pull ring 6 can be sleeved on the outside of the positioning hook 3. The positioning hook 3 is glued and fixed to the outside of the water pipe flange. The position of the fixing seat 4 and the position of the positioning hook 3 are calculated and measured, so that the flange holes can be completely aligned.

[0031] A limiting portion for fixing the locking portion is provided on the side of the locking portion;

[0032] Specifically, the limiting portion includes an elastic insert 401 provided on the side of the fixing seat 4, the end of the elastic insert 401 is inserted and connected to the side of the rotating block 5, and an oblique protrusion is provided on the insertion end side of the elastic insert 401;

[0033] It should be noted that the positioning hook 3 is adhered to the outer edge of the water pipe flange in advance, the elastic insert 401 is fixed to the fixing seat 4 by welding, the elastic insert 401 is made of copper alloy, and a socket 501 is provided on the side of the rotating block 5. The socket 501 is used for the insertion end of the elastic insert 401 to be inserted and engaged. After the elastic insert 401 is inserted into the socket 501, the oblique protrusion is engaged with the surface of the socket 501 by virtue of its elasticity, thereby fixing the rotating block 5;

[0034] During actual use, the water meter housing 1 is placed on opposite sides of the two water pipe flanges. At this time, the rotating block 5 is rotated to put the rotating pull ring 6 on the outside of the positioning hook 3, the rotating block 5 is rotated to reset, and the elastic insert 401 is inserted into the insertion hole 501. The elastic insert 401 is locked with the rotating block 5. At this time, the flange holes are in a fully aligned state, which is convenient for the rapid alignment and insertion of the fixing bolts 101, avoiding the need to lift the water meter housing 1 at the same time as the fixing bolts 101 are inserted, thereby avoiding the time-consuming operation of aligning the flange holes caused by lifting and shaking.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A high-precision horizontal propeller detachable water meter, comprising a water meter housing (1), wherein a propeller metering unit (102) is provided on the top of the water meter housing (1), characterized in that: Also includes: A connecting assembly, the connecting assembly being arranged at both ends of a water meter housing (1), the connecting assembly being used to fix the water meter housing (1) and a water pipe, the connecting assembly comprising connecting flanges (2) arranged at both ends of the water meter housing (1), fixing bolts (101) for connecting to the water pipe being inserted and connected to the sides of the connecting flanges (2), and a sealing portion being provided on the sides of the connecting flanges (2); A positioning assembly is provided for aligning a connecting flange (2) with a connecting hole of a water pipeline flange. The positioning assembly comprises a connecting block (201) symmetrically arranged on the side of the connecting flange (2), a positioning hook (3) symmetrically arranged on the side of the water pipeline flange, a locking portion for connecting a rotating pull ring (6) is provided on the side of the connecting block (201), and a limiting portion for fixing the locking portion is provided on the side of the locking portion.

2. A high-precision horizontal propeller detachable water meter according to claim 1, characterized in that: The locking portion comprises a fixing seat (4) arranged on the side of the connecting block (201); a rotating shift block (5) is hingedly connected to one side of the fixing seat (4) close to the positioning hook (3); and a rotating pull ring (6) for connecting to the positioning hook (3) is hingedly connected to one end of the rotating shift block (5) close to the positioning hook (3).

3. A high-precision horizontal propeller detachable water meter according to claim 2, characterized in that: The limiting portion comprises an elastic insert (401) arranged on the side of the fixing seat (4), the end of the elastic insert (401) is inserted and connected to the side of the rotating shift block (5), and an oblique protrusion is provided on the side of the insertion end of the elastic insert (401).

4. A high-precision horizontal propeller detachable water meter according to claim 3, characterized in that: A rotating pin (402) is inserted and connected at the hinged joint between the rotating shift block (5) and the fixed seat (4).

5. A high-precision horizontal propeller detachable water meter according to claim 4, characterized in that: An inserting hole (501) is provided on the side of the rotating shifting block (5), and the inserting hole (501) is used for inserting and clamping the insertion end of the elastic inserting strip (401).

6. A high-precision horizontal propeller detachable water meter according to claim 4, characterized in that: A rivet (403) is provided at the connection between the fixing seat (4) and the connecting block (201), and the rivet (403) is used to fix the fixing seat (4) and the connecting block (201).

7. A high-precision horizontal propeller detachable water meter according to claim 1, characterized in that: The sealing portion comprises a rubber pad (202) arranged on the side of the connecting flange (2), and the rubber pad (202) is used for sealing the connection between the connecting flange (2) and the water pipe flange.

Images