Adjustable pressure dispatching valve

Abstract

The utility model discloses an adjustable pressure dispatching valve, which belongs to the technical field of pressure dispatching valves and comprises a valve body, an upper rod is fixedly connected onto the valve body, a valve rod is rotatably connected onto the upper rod in a penetrating manner, a threaded structure is arranged at the bottom of the valve rod, a valve core is in threaded connection onto the threaded structure, a first groove is arranged on the valve body, and a second groove is arranged on the valve body. The upper rod is fixedly connected with the valve body, the lower rod is fixedly connected with the valve body, the upper rod and the lower rod are respectively provided with a groove II, and the valve core slides in the groove I. The rotary handle is rotated to drive the valve core to slide in the valve body, the upper rod and the lower rod through the valve rod and the thread structure, so that the valve core adjusts the area between an inlet and an outlet in the valve body, and the valve core is not prone to falling off. Therefore, adjustment is carried out according to the pressure needing to be controlled, operation is easy and fast, then the adjustment amount can be seen through the through groove in the rotating handle and the indicator on the upper rod, control is convenient, and the device is simple in structure and high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure dispatching valves, in particular to an adjustable pressure dispatching valve. Background Art

[0002] Pressure regulating valve is also called self-balancing valve, flow control valve, flow controller, dynamic balancing valve, flow balancing valve. It is an intuitive and simple flow regulating control device. The flow regulating valve used in the pipe network can directly set the flow according to the design. The valve can automatically eliminate the flow deviation caused by the residual pressure head and pressure fluctuation of the pipeline under the action of water. No matter how the system pressure changes, the set flow is kept unchanged. These functions of the valve can complete the pipe network flow regulation at one time, turning the network adjustment work into a simple flow distribution, and effectively solving the hydraulic imbalance of the pipe network. The existing pressure regulating valve has a complex structure and is not easy to produce and assemble. Utility Model Content

[0003] The utility model solves the technical problem in the above-mentioned background technology and provides an adjustable pressure dispatching valve.

[0004] In order to solve the above technical problems, the technical solution provided by the utility model is:

[0005] An adjustable pressure dispatching valve comprises a valve body, an upper rod is fixedly connected to the valve body, a valve stem is rotatably connected to the upper rod, a threaded structure is provided at the bottom of the valve stem, a valve core is threadedly connected to the threaded structure, a groove 1 is provided on the valve body, a lower rod is fixedly connected to the valve body, groove 2 is respectively provided on the upper rod and the lower rod, and the valve core slides in groove 1 and groove 2.

[0006] Preferably, a rotating handle is provided at one end of the valve stem, a through slot is provided on the rotating handle, and an indicator mark is provided on the top of the upper rod.

[0007] Preferably, mounting plates are fixedly connected to both sides of the valve body respectively, and mounting holes are provided on the mounting plates, and the mounting holes are provided in a plurality of groups.

[0008] Preferably, one end of the valve stem is rotatably connected to the lower rod, and the upper rod and the lower rod are symmetrically arranged.

[0009] Preferably, the width of the valve core is consistent with the width of the groove 1 and the groove 2, and the length of the upper rod is greater than the height of the valve core.

[0010] Preferably, a sealing ring is provided at the connection between the valve stem and the upper rod, and a sealing ring is provided at the joint between the valve body and the valve core.

[0011] Preferably, the valve body is made of bronze, and the valve stem is made of stainless steel.

[0012] With the above structure, the utility model has the following advantages:

[0013] 1. The utility model can drive the valve core to slide in the valve body, the upper rod and the lower rod by rotating the turning handle through the valve stem and the threaded structure, so that the valve core can adjust the area between the inlet and outlet on the valve body, thereby adjusting according to the pressure to be controlled. The operation is simple and quick, and then the adjustment amount can be seen through the through groove on the turning handle and the indicator on the upper rod, which is convenient for control. The device has a simple structure and strong practicality.

[0014] 2. The utility model facilitates installation and fixation of the device through a plurality of groups of mounting holes on the mounting plates on both sides of the valve body. The fixing effect is good and the operation is simple, thereby improving the convenience of the device.

[0015] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a structural schematic diagram of an adjustable pressure dispatching valve of the utility model;

[0018] Figure 2 This is a structural explosion diagram of an adjustable pressure dispatching valve of the utility model;

[0019] Figure 3 It is a partial structural schematic diagram of an adjustable pressure dispatching valve of the utility model.

[0020] As shown in the figure: 1. Valve body; 2. Upper rod; 3. Valve stem; 4. Threaded structure; 5. Valve core; 6. Groove 1; 7. Lower rod; 8. Groove 2; 9. Turn handle; 10. Through groove; 11. Indicator mark; 12. Installation plate; 13. Installation hole. Specific implementation plan

[0021] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0022] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0023] The utility model is further described in detail below in conjunction with the full text:

[0024] Combined with Figures 1 to 3 , an adjustable pressure dispatching valve, including a valve body 1, an upper rod 2 is fixedly connected to the valve body 1, a valve stem 3 is rotatably connected to the upper rod 2, a threaded structure 4 is provided at the bottom of the valve stem 3, a valve core 5 is threadedly connected to the threaded structure 4, a groove 1 6 is provided on the valve body 1, a lower rod 7 is fixedly connected to the valve body 1, and a groove 2 8 is respectively provided on the upper rod 2 and the lower rod 7, and the valve core 5 slides in the groove 1 6 and the groove 2 8. By rotating a turning handle 9 through the valve stem 3 and the threaded structure 4, the valve core 5 can be driven to slide in the valve body 1, the upper rod 2, and the lower rod 7, so that the valve core 5 can adjust the area between the inlet and outlet on the valve body 1, thereby adjusting according to the pressure to be controlled. The operation is simple and quick, and then the adjustment amount can be seen through the through groove 10 on the turning handle 9 and the indicator 11 on the upper rod 2, which is convenient for control. The device has a simple structure and strong practicality.

[0025] Among them, a turning handle 9 is provided at one end of the valve stem 3, and a through groove 10 is provided on the turning handle 9, an indicator mark 11 is provided on the top of the upper rod 2, and mounting plates 12 are fixedly connected on both sides of the valve body 1, and mounting holes 13 are provided on the mounting plates 12, and a plurality of mounting holes 13 are provided. One end of the valve stem 3 is rotatably connected to the lower rod 7, the upper rod 2 and the lower rod 7 are symmetrically arranged, the width of the valve core 5 is consistent with the width of the groove 1 6 and the groove 2 8, the length of the upper rod 2 is greater than the height of the valve core 5, a sealing ring is provided at the connection between the valve stem 3 and the upper rod 2, and a sealing ring is provided at the fitting part of the valve body 1 and the valve core 5. The material of the valve body 1 is bronze, and the material of the valve stem 3 is stainless steel. Through the plurality of mounting holes 13 on the mounting plates 12 on both sides of the valve body 1, it is convenient to install and fix the device, and the fixing effect is good and the operation is simple, thereby improving the convenience of the device.

[0026] Working principle of the utility model: when in use, first connect the mounting plate 12 on one side of the valve body 1 to the pipe to be installed, so that the mounting hole 13 is aligned with the flange on the pipe, and then use bolts to fix it. After fixing one side, use the same method to fix the other side. When it is necessary to adjust the pressure in the valve body 1, the valve stem 3 can be manually rotated to make the valve stem 3 rotate on the upper rod 2 and the lower rod 7, and the regulated pressure can be observed through the through groove 10 on the turning handle 9 and the indicator 11 on the upper rod 2. When the valve stem 3 rotates, under the action of the groove 2 8 and the groove 1 6, the valve core 5 is driven to slide in the valve body 1, the upper rod 2, and the lower rod 7 through the threaded structure 4, so that the valve core 5 adjusts the inlet and outlet in the valve body 1, and the pressure is adjusted in turn.

[0027] The above describes the utility model and its implementation methods, which is not restrictive. What is shown in the full text is only one of the implementation methods of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it, without departing from the purpose of the invention of the utility model, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the utility model.

Claims

1. An adjustable pressure regulating valve, comprising a valve body (1), characterized in that: The valve body (1) is fixedly connected to an upper rod (2), and a valve stem (3) is rotatably connected to the upper rod (2). A threaded structure (4) is provided at the bottom of the valve stem (3), and a valve core (5) is threadedly connected to the threaded structure (4). A groove 1 (6) is provided on the valve body (1), and a lower rod (7) is fixedly connected to the valve body (1). A groove 2 (8) is provided on the upper rod (2) and the lower rod (7), respectively, and the valve core (5) slides in the groove 1 (6) and the groove 2 (8).

2. The adjustable pressure dispatching valve according to claim 1, characterized in that: A rotating handle (9) is provided at one end of the valve stem (3), a through slot (10) is provided on the rotating handle (9), and an indicator mark (11) is provided at the top of the upper rod (2).

3. The adjustable pressure regulating valve according to claim 2, characterized in that: The two sides of the valve body (1) are respectively fixedly connected with mounting plates (12), the mounting plates (12) are provided with mounting holes (13), and the mounting holes (13) are provided in a plurality of groups.

4. The adjustable pressure regulating valve according to claim 3, characterized in that: One end of the valve stem (3) is rotatably connected to the lower rod (7), and the upper rod (2) and the lower rod (7) are symmetrically arranged.

5. The adjustable pressure regulating valve according to claim 4, characterized in that: The width of the valve core (5) is consistent with the width of the groove 1 (6) and the groove 2 (8), and the length of the upper rod (2) is greater than the height of the valve core (5).

6. An adjustable pressure regulating valve according to claim 5, characterized in that A sealing ring is provided at the connection between the valve stem (3) and the upper stem (2), and a sealing ring is provided at the contact portion between the valve body (1) and the valve core (5).

7. The adjustable pressure regulating valve according to claim 6, characterized in that: The material of the valve body (1) is bronze, and the material of the valve stem (3) is stainless steel.

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