Water meter combination valve

Abstract

The utility model provides a water meter combination valve, including valve body, pressure reducing valve subassembly, inlet water pressure gauge and outlet water pressure gauge, the both ends of valve body form inlet water end and outlet water end respectively, is provided with first pressure gauge interface, pressure reducing valve interface, water meter interface and second pressure gauge interface on valve body along its water flow direction respectively, inlet water pressure gauge, pressure reducing valve subassembly and outlet water pressure gauge are connected on first pressure gauge interface, pressure reducing valve interface and second pressure gauge interface respectively, and water meter interface is used for connecting water meter, the utility model discloses a water inlet pressure gauge, pressure reducing valve, water meter and outlet water pressure gauge are combined to form integral type structure after, and the water inlet pressure gauge, pressure reducing valve, water meter and outlet water pressure gauge are installed to the end of tap water household pipeline by installation personnel.

Description

Technical Field

[0001] This utility model relates to the field of combination valve technology, and more specifically, to a water meter combination valve. Background Technology

[0002] Currently, in tap water supply systems, it is necessary to install components such as inlet pressure gauges, pressure reducing valves, water meters, and outlet pressure gauges at the end of the tap water supply pipe. However, the inlet pressure gauges, pressure reducing valves, water meters, and outlet pressure gauges on the market are all independent components. This means that installers need to install each of these components one by one at the end of the tap water supply pipe, resulting in low installation efficiency and high labor intensity for installers. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a water meter combination valve, which combines an inlet pressure gauge, a pressure reducing valve, a water meter, and an outlet pressure gauge into an integral structure, making it easy for installers to install the inlet pressure gauge, pressure reducing valve, water meter, and outlet pressure gauge to the end of the tap water inlet pipe.

[0004] This utility model provides a water meter combination valve, including a valve body, a pressure reducing valve assembly, an inlet pressure gauge, and an outlet pressure gauge; the two ends of the valve body form an inlet end and an outlet end, respectively, and the valve body is provided with a first pressure gauge interface, a pressure reducing valve interface, a water meter interface, and a second pressure gauge interface along its water flow direction. The inlet pressure gauge, the pressure reducing valve assembly, and the outlet pressure gauge are respectively connected to the first pressure gauge interface, the pressure reducing valve interface, and the second pressure gauge interface, and the water meter interface is used to connect a water meter.

[0005] By adopting the above-described structure, this utility model can combine the inlet pressure gauge, pressure reducing valve, water meter, and outlet pressure gauge into an integrated structure, thereby facilitating the installation of the inlet pressure gauge, pressure reducing valve, water meter, and outlet pressure gauge to the end of the tap water inlet pipe. This improves the installation efficiency of the inlet pressure gauge, pressure reducing valve, water meter, and outlet pressure gauge and reduces the labor intensity of the installers.

[0006] In one possible implementation, the pressure reducing valve assembly includes a pressure reducing valve body and a handwheel. The pressure reducing valve body is connected to the pressure reducing valve port, and the handwheel is drivenly connected to the upper end of the valve stem in the pressure reducing valve body. The handwheel is used to drive the valve stem to rotate to adjust the flow rate of the pressure reducing valve body. A locking structure is provided between the handwheel and the pressure reducing valve body. When the handwheel is released, the locking structure locks the handwheel onto the pressure reducing valve body to prevent the handwheel from being rotated arbitrarily. By using this pressure reducing valve assembly, when the handwheel drives the valve stem to rotate, the flow rate of the pressure reducing valve body can be adjusted, thereby achieving the adjustment of the outlet water pressure at the outlet end of the valve body. After the pressure reducing valve assembly is adjusted, and when the handwheel is released, the locking structure can lock the handwheel onto the pressure reducing valve body to prevent the handwheel from being rotated arbitrarily, thereby preventing the pressure reducing valve assembly from being accidentally adjusted.

[0007] In one possible implementation, the locking structure includes a spring; the lower end of the handwheel is sleeved on the outer side of the upper end of the pressure reducing valve body, and an insertion hole is provided on the inner side of the upper end of the handwheel. The upper end of the valve stem is inserted into the insertion hole and circumferentially limited by the insertion hole. The handwheel and the valve stem are vertically slidably connected. A screw is threadedly connected to the upper end of the valve stem. The screw abuts against the upper end of the handwheel to prevent the handwheel from disengaging from the valve stem. The spring is sleeved on the outer side of the upper part of the valve stem. The two ends of the spring abut against the outer top of the pressure reducing valve body and the inner top of the handwheel, respectively. The spring applies a spring force to the handwheel to drive it to move upward and reset. Several ratchet teeth are provided on the inner wall of the lower end of the handwheel in a circumferentially evenly distributed manner, and several tooth grooves are provided on the outer wall of the upper end of the pressure reducing valve body in a circumferentially spaced manner. When the handwheel is released and driven upward and reset by the spring, each ratchet tooth is engaged in the tooth groove at the corresponding position. With this structure, when the flow rate of the pressure reducing valve body needs to be adjusted, the handwheel is first pressed down. At this time, the handwheel can overcome the spring force and move downward. After the handwheel moves downward, each ratchet can disengage from its corresponding slot. At this time, the handwheel can be rotated, and the handwheel can drive the valve stem to rotate to adjust the flow rate of the pressure reducing valve body. When the handwheel is released, the spring can drive the handwheel to move upward relative to the valve stem and reset. At this time, each ratchet can engage in one of the slots, thereby locking the handwheel and the pressure reducing valve body to prevent the handwheel from being rotated arbitrarily, and thus preventing the pressure reducing valve assembly from being accidentally adjusted. In the above structure, a square post is provided at the upper end of the valve stem, and the insertion hole on the handwheel is a square hole. The square post is inserted into the square hole and slides with the square hole, thereby enabling the handwheel to be circumferentially limited and vertically slidably connected to the valve stem.

[0008] In one possible implementation, the water meter combination valve further includes a plug cap; when no water meter is installed at the water meter interface, the plug cap is threaded onto the water meter interface and used to seal the water meter interface, and a sealing ring is embedded between the plug cap and the water meter interface; by setting the plug cap, when no water meter is installed at the water meter interface, the plug cap can be threaded onto the water meter interface and used to seal the water meter interface; or the plug cap can achieve the function of preventing dust from the water meter interface.

[0009] In one possible implementation, at least one check valve core is installed on the inner side of the valve body located between the water meter interface and the second pressure gauge interface; by setting the check valve core, it is possible to prevent the water inside the valve body from flowing back, that is, to prevent the water in the pipeline system downstream of the valve body from flowing back into the pipeline system upstream of the valve body.

[0010] In one possible implementation, two check valve cores are installed on the inner side of the valve body located between the water meter interface and the second pressure gauge interface, and the two check valve cores are separated by a spacer ring. By setting two check valve cores, the backflow prevention function of water can be further realized, so as to further effectively prevent water in the pipeline system downstream of the valve body from flowing back into the pipeline system upstream of the valve body. By setting the spacer ring, the spacer ring can realize the reliable support and separation function between the two check valve cores.

[0011] In one possible implementation, the inlet and outlet ends of the valve body are respectively connected to an inlet ball valve and an outlet ball valve. By setting the inlet ball valve and the outlet ball valve, when the inlet ball valve is closed, the inlet ball valve can isolate the valve body from the pipeline upstream of the valve body, and when the outlet ball valve is closed, the outlet ball valve can isolate the valve body from the pipeline downstream of the valve body. Attached Figure Description

[0012] Figure 1 This is a top view of the structure of this utility model; Figure 2 This is a schematic diagram of the rear view structure of this utility model; Figure 3 This is a cross-sectional structural diagram of the present invention; Figure 4 for Figure 3 A magnified structural diagram of point A in the middle; Figure 5 This is a partially exploded three-dimensional structural diagram of the present invention. Detailed Implementation

[0013] First, those skilled in the art should understand that these embodiments are merely used to explain the technical principles of the embodiments of this application and are not intended to limit the scope of protection of the embodiments of this application. Those skilled in the art can make adjustments as needed to adapt to specific application scenarios.

[0014] In the description of the embodiments of this application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application based on the specific circumstances.

[0015] In the embodiments of this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0016] The present application will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0017] See Figures 1-5 As shown in the figure, this application discloses a water meter combination valve, including a valve body 1, a pressure reducing valve assembly 2, an inlet pressure gauge 3, and an outlet pressure gauge 4. The valve body 1 has an inlet end 11 and an outlet end 12 at its two ends, respectively. A first pressure gauge interface 13, a pressure reducing valve interface 14, a water meter interface 15, and a second pressure gauge interface 16 are respectively provided on the valve body 1 along its water flow direction. The inlet pressure gauge 3, the pressure reducing valve assembly 2, and the outlet pressure gauge 4 are respectively connected to the first pressure gauge interface 13, the pressure reducing valve interface 14, and the second pressure gauge interface 16. The water meter interface 15 is used to connect a water meter. The inlet pressure gauge can indicate the water pressure in the pipeline system upstream of the pressure reducing valve assembly, and the outlet pressure gauge can indicate the water pressure in the pipeline system downstream of the pressure reducing valve assembly. Users can adjust the outlet pressure of the water meter combination valve through the pressure reducing valve assembly to meet their water pressure requirements.

[0018] The pressure reducing valve assembly 2 includes a pressure reducing valve body 21 and a handwheel 22. The pressure reducing valve body 21 is connected to the pressure reducing valve interface 14. The handwheel 22 is drivenly connected to the upper end of the valve stem 211 in the pressure reducing valve body 21. The handwheel 22 is used to drive the valve stem 211 to rotate to adjust the flow rate of the pressure reducing valve body 21. A locking structure is provided between the handwheel 22 and the pressure reducing valve body 21. When the handwheel 22 is released, the locking structure is used to lock the handwheel 22 onto the pressure reducing valve body 21 to prevent the handwheel 22 from being rotated arbitrarily. By adopting this pressure reducing valve assembly, when the handwheel drives the valve stem to rotate, the flow rate of the pressure reducing valve body can be adjusted, thereby achieving the adjustment of the outlet water pressure at the outlet end of the valve body. After the pressure reducing valve assembly is adjusted, when the handwheel is released, the locking structure can lock the handwheel onto the pressure reducing valve body to prevent the handwheel from being rotated arbitrarily, thereby preventing the pressure reducing valve assembly from being accidentally adjusted.

[0019] The locking structure includes a spring 23; the lower end of the handwheel 22 is sleeved on the outer side of the upper end of the pressure reducing valve body 21, and an insertion hole 221 is provided on the inner side of the upper end of the handwheel 22. The upper end of the valve stem 211 is inserted into the insertion hole 221 and is circumferentially limited by the insertion hole 221. The handwheel 22 and the valve stem 211 are vertically slidably connected. A screw 24 is threadedly connected to the upper end of the valve stem 211. The screw 24 is used to abut against the upper end of the handwheel 22 to prevent the handwheel 22 from disengaging from the valve stem 211. The spring 23 is sleeved on the valve... On the outer side of the upper part of the lever 211, the two ends of the spring 23 abut against the outer top of the pressure reducing valve body 21 and the inner top of the handwheel 22, respectively. The spring 23 is used to apply a spring force to the handwheel 22 to drive it upward and reset. The inner wall of the lower end of the handwheel 22 is provided with several ratchet teeth 222 evenly distributed in a circumferential direction, and the outer wall of the upper end of the pressure reducing valve body 21 is provided with several tooth grooves 212 spaced in a circumferential direction. When the handwheel 22 is released and driven by the spring 23, the handwheel 22 is activated. After moving upwards and resetting, each ratchet 222 engages in the corresponding slot 212. With this structure, when the flow rate of the pressure reducing valve body needs to be adjusted, the handwheel is first pressed down. At this time, the handwheel can overcome the spring force and move downwards. After the handwheel moves downwards, each ratchet can disengage from the corresponding slot. At this time, the handwheel can be rotated, and the handwheel can drive the valve stem to rotate to adjust the flow rate of the pressure reducing valve body. When the handwheel is released, the spring can drive the handwheel to move upwards relative to the valve stem and reset. At this time, each ratchet can engage in one of the slots, thereby locking the handwheel and the pressure reducing valve body to prevent the handwheel from being rotated arbitrarily, and thus preventing the pressure reducing valve assembly from being accidentally adjusted. In the above structure, a square post is provided at the upper end of the valve stem, and the insertion hole on the handwheel is a square hole. The square post is inserted into the square hole and slides with the square hole, thereby enabling the handwheel to be circumferentially limited and vertically slidably connected to the valve stem.

[0020] The water meter combination valve also includes a plug cap 5; when the water meter interface 15 is not installed with a water meter, the plug cap 5 is used to be threaded onto the water meter interface 15 and to seal the water meter interface 15, and a sealing ring 51 is embedded between the plug cap 5 and the water meter interface 15; by setting the plug cap, when the water meter interface is not installed with a water meter, the plug cap can be threaded onto the water meter interface and to seal the water meter interface; or the plug cap can achieve the function of dust prevention for the water meter interface.

[0021] At least one check valve core 6 is installed on the inner side of the valve body 1 located between the water meter interface 15 and the second pressure gauge interface 16. By setting the check valve core, the backflow of water inside the valve body can be prevented, that is, the backflow of water in the pipeline system downstream of the valve body can be prevented from flowing back to the pipeline system upstream of the valve body. The check valve core is an existing component on the market and is existing technology, so it will not be described in detail here.

[0022] Two check valve cores 6 are installed on the inner side of the valve body 1 located between the water meter interface 15 and the second pressure gauge interface 16. The two check valve cores 6 are separated by a spacer ring 7. The setting of the two check valve cores can further realize the backflow prevention function of water, so as to further effectively prevent water in the pipeline system downstream of the valve body from flowing back into the pipeline system upstream of the valve body. The spacer ring can reliably support and separate the two check valve cores.

[0023] The inlet end 11 and outlet end 12 of the valve body 1 are respectively connected to an inlet ball valve 8 and an outlet ball valve 9. Through the setting of the inlet ball valve and the outlet ball valve, when the inlet ball valve is closed, the inlet ball valve can isolate the valve body from the pipeline upstream of the valve body, and when the outlet ball valve is closed, the outlet ball valve can isolate the valve body from the pipeline downstream of the valve body.

[0024] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A water meter combination valve, characterized in that: It includes a valve body (1), a pressure reducing valve assembly (2), an inlet pressure gauge (3), and an outlet pressure gauge (4); the valve body (1) has an inlet end (11) and an outlet end (12) at its two ends respectively. The valve body (1) is provided with a first pressure gauge interface (13), a pressure reducing valve interface (14), a water meter interface (15), and a second pressure gauge interface (16) along its water flow direction. The inlet pressure gauge (3), the pressure reducing valve assembly (2), and the outlet pressure gauge (4) are respectively connected to the first pressure gauge interface (13), the pressure reducing valve interface (14), and the second pressure gauge interface (16). The water meter interface (15) is used to connect a water meter.

2. The water meter combination valve according to claim 1, characterized in that: The pressure reducing valve assembly (2) includes a pressure reducing valve body (21) and a handwheel (22); the pressure reducing valve body (21) is connected to the pressure reducing valve interface (14), and the handwheel (22) is connected to the upper end of the valve stem (211) in the pressure reducing valve body (21). The handwheel (22) is used to drive the valve stem (211) to rotate to adjust the flow rate of the pressure reducing valve body (21); a locking structure is provided between the handwheel (22) and the pressure reducing valve body (21). When the handwheel (22) is released, the locking structure is used to lock the handwheel (22) on the pressure reducing valve body (21) to prevent the handwheel (22) from being rotated at will.

3. The water meter combination valve according to claim 2, characterized in that: The locking structure includes a spring (23); the lower end of the handwheel (22) is sleeved on the outer side of the upper end of the pressure reducing valve body (21), and an insertion hole (221) is provided on the inner side of the upper end of the handwheel (22). The upper end of the valve stem (211) is inserted into the insertion hole (221) and is circumferentially limited by the insertion hole (221). The handwheel (22) and the valve stem (211) are vertically slidably connected. A screw (24) is threadedly connected to the upper end of the valve stem (211). The screw (24) is used to abut against the upper end of the handwheel (22) to prevent the handwheel (22) from disengaging from the valve stem (211). The spring (23) is sleeved on the outer side of the upper part of the valve stem (211). On the side, the two ends of the spring (23) abut against the outer top of the pressure reducing valve body (21) and the inner top of the handwheel (22), respectively. The spring (23) is used to apply a spring force to the handwheel (22) to drive the handwheel (22) to move upward and reset. The inner wall of the lower end of the handwheel (22) is provided with a number of ratchet teeth (222) evenly distributed in the circumferential direction. The outer wall of the upper end of the pressure reducing valve body (21) is provided with a number of tooth grooves (212) spaced in the circumferential direction. When the handwheel (22) is released and driven by the spring (23) to move upward and reset, each ratchet tooth (222) is engaged in the tooth groove (212) at the corresponding position.

4. The water meter combination valve according to any one of claims 1-3, characterized in that: The water meter combination valve also includes a plug cap (5); when the water meter interface (15) is not installed with a water meter, the plug cap (5) is used to be threaded onto the water meter interface (15) and used to seal the water meter interface (15), and a sealing ring (51) is embedded between the plug cap (5) and the water meter interface (15).

5. The water meter combination valve according to any one of claims 1-3, characterized in that: At least one check valve core (6) is installed on the inner side of the valve body (1) located between the water meter interface (15) and the second pressure gauge interface (16).

6. The water meter combination valve according to claim 5, characterized in that: Two check valve cores (6) are installed on the inner side of the valve body (1) located between the water meter interface (15) and the second pressure gauge interface (16), and the two check valve cores (6) are separated by a spacer ring (7).

7. The water meter combination valve according to any one of claims 1-3, characterized in that: The inlet end (11) and outlet end (12) of the valve body (1) are respectively connected to an inlet ball valve (8) and an outlet ball valve (9).

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