Top drive plug valve

Abstract

The utility model relates to the technical field of valve devices, in particular to a top drive plug valve which comprises a liquid inlet pipe, a liquid outlet pipe and a controllable flow control assembly convenient to disassemble, the controllable flow control assembly convenient to disassemble comprises a positioning cavity, a positioning pipe, a rotating ring and a flow control shaft, the liquid outlet pipe is fixedly connected with the liquid inlet pipe and located on one side of the liquid inlet pipe, and the positioning cavity is fixedly connected with the liquid inlet pipe and located on the other side of the liquid inlet pipe. The positioning pipe is detachably connected with the liquid inlet pipe and located in the liquid inlet pipe, the positioning pipe is arranged in the positioning cavity, the rotating ring is rotationally connected with the positioning pipe and located on the side, away from the liquid inlet pipe, of the positioning pipe, and the flow control shaft is rotationally connected with the rotating ring and located on the side, away from the positioning pipe, of the rotating ring. An internal structural assembly is replaced by the controllable flow control assembly convenient to disassemble, so that the problem that the production cost is greatly increased due to the fact that the whole body needs to be completely replaced when the integral forming process is damaged is actively and effectively solved while the original beneficial effects are kept.

Description

Technical Field

[0001] The utility model relates to the technical field of valve devices, in particular to a top-driven plug valve. Background Art

[0002] Traditional top drive plug valves have high processing and manufacturing costs, have the risk of threaded connection leakage, and are prone to breakage, which prevents the durability of top drive plug valves from being improved.

[0003] Prior art, patent number (CN201921930708.1) mentions a top drive plug valve, which mainly includes a top drive plug valve body, a butterfly spring, a lower valve seat, a ball valve, a knob, a bushing, a split ring, a lower valve seat, a split clamping ring, a cross block, a support ring and an elastic retaining ring. The top drive plug valve is a top drive drilling tool that integrates an upper plug valve, a lower plug valve and a top drive protection joint. The top drive plug valve is improved in structure, which not only saves the cost of processing and manufacturing, but also reduces the risk of puncture leakage of threaded connections.

[0004] In the prior art, the traditional bolt connection process is replaced by an integrated molding process, which effectively solves the problems of high processing and manufacturing costs of traditional top drive plug valves, the risk of threaded connection leakage, and easy breakage, which makes the durability of the top drive plug valve unable to be improved. However, the integrated molding process will need to be completely replaced when damaged, which will greatly increase the production cost. Utility Model Content

[0005] The utility model aims to provide a top-driven plug valve, which solves the problem that the one-piece molding process requires the entire valve to be replaced when damaged, which greatly increases the production cost.

[0006] To achieve the above-mentioned purpose, the utility model adopts a top-driven plug valve, including a liquid inlet pipe, a liquid outlet pipe and a controllable and detachable flow control component, the controllable and detachable flow control component includes a positioning cavity, a positioning tube, a rotating ring and a flow control shaft, the liquid outlet pipe is fixedly connected to the liquid inlet pipe and is located on one side of the liquid inlet pipe, the positioning cavity is fixedly connected to the liquid inlet pipe and is located inside the liquid inlet pipe, the positioning tube is detachably connected to the liquid inlet pipe and is located inside the liquid inlet pipe, and the positioning tube is arranged inside the positioning cavity, the rotating ring is rotatably connected to the positioning tube and is located on a side of the positioning tube away from the liquid inlet pipe, and the flow control shaft is rotatably connected to the rotating ring and is located on a side of the rotating ring away from the positioning tube.

[0007] Among them, the controllable and detachable flow control component also includes a flow control plate and a control rod. The flow control plate is detachably connected to the flow control shaft and is located on the outer surface of the flow control shaft. The control rod is arranged inside the positioning tube, and the control rod is arranged inside the rotating ring and the flow control shaft.

[0008] Among them, the controllable detachable flow control component also includes a protective seat and a rotating handle, the rotating handle passes through the liquid inlet pipe and is detachably connected to the control rod, and is located on the side of the control rod close to the liquid inlet pipe, the protective seat is arranged on the outer surface of the rotating handle, and the protective seat is fixedly connected to the liquid inlet pipe and is located on the outer surface of the liquid inlet pipe.

[0009] Among them, the controllable detachable flow control component also includes a pressure relief chamber and a pressure relief plate. The pressure relief chamber is detachably connected to the liquid inlet pipe and is located inside the liquid inlet pipe. The pressure relief chamber and the positioning chamber are vertically arranged, and the pressure relief plate is arranged inside the pressure relief chamber.

[0010] In which, the top-driven plug valve also includes an installation and positioning assembly, which includes a liquid inlet ring, a mounting hole, a liquid outlet ring and a positioning hole. The liquid inlet ring is detachably connected to the liquid inlet pipe and is located on the outer surface of the liquid inlet pipe. The mounting hole is fixedly connected to the liquid inlet ring and is located inside the liquid inlet ring. The liquid outlet ring is detachably connected to the liquid outlet pipe and is located at the center of the outer surface of the liquid outlet pipe. The positioning hole is detachably connected to the liquid outlet ring and is located inside the liquid outlet ring.

[0011] The utility model discloses a top-driven plug valve, comprising a liquid inlet pipe, a liquid outlet pipe and a controllable and detachable flow control component, the controllable and detachable flow control component comprising a positioning cavity, a positioning tube, a rotating ring and a flow control shaft, the liquid outlet pipe is fixedly connected to the liquid inlet pipe and is located on one side of the liquid inlet pipe, the positioning cavity is fixedly connected to the liquid inlet pipe and is located inside the liquid inlet pipe, the positioning tube is detachably connected to the liquid inlet pipe and is located inside the liquid inlet pipe, and the positioning tube is arranged inside the positioning cavity, the rotating ring is rotatably connected to the positioning tube and is located on a side of the positioning tube away from the liquid inlet pipe, the flow control shaft is rotatably connected to the rotating ring and is located on a side of the rotating ring away from the positioning tube, and since the internal structural components are replaced with the controllable and detachable flow control component, the original beneficial effects are retained while actively and effectively solving the problem that the one-piece molding process requires the entirety of the whole to be replaced in the event of damage, which greatly increases the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is an overall front view of the first embodiment of the utility model.

[0014] Figure 2 This utility model Figure 1 AA line structural section view.

[0015] Figure 3 This utility model Figure 1 BB line structural cross-sectional view.

[0016] Figure 4 It is a schematic diagram of the overall structure of the second embodiment of the utility model.

[0017] 101-liquid inlet pipe, 102-liquid outlet pipe, 103-positioning cavity, 104-positioning tube, 105-rotating ring, 106-flow control axis, 107-flow control plate, 108-control rod, 109-protection seat, 110-rotating handle, 111-pressure relief cavity, 112-pressure relief plate, 201-liquid inlet ring, 202-mounting hole, 203-liquid outlet ring, 204-positioning hole. DETAILED DESCRIPTION

[0018] The embodiments of the present invention 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 intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0019] First embodiment

[0020] See also Figure 1 to Figure 3 , Figure 1 It is a front view of the whole of the first embodiment of the utility model. Figure 2 This utility model Figure 1 AA line structural section view, Figure 3 This utility model Figure 1 BB line structural cross-sectional view.

[0021] The utility model provides a top-driven plug valve, including a liquid inlet pipe 101, a liquid outlet pipe 102 and a controllable and detachable flow control component, wherein the controllable and detachable flow control component includes a positioning chamber 103, a positioning tube 104, a rotating ring 105, a flow control shaft 106, a flow control plate 107, a control rod 108, a protective seat 109, a rotating handle 110, a pressure relief chamber 111 and a pressure relief plate 112. The above-mentioned solution solves the problem that the one-piece molding process needs to be completely replaced when damage occurs, which greatly increases the production cost. It can be understood that the above-mentioned solution can be used when the flow is controlled, and the staff will rotate the rotating handle 110, and then drive the control rod 108 to rotate, and the control rod 108 controls The rotation speed limit of the rotating ring 105, the specific structure can refer to the traditional locking structure, which will effectively control the rotation speed of the flow control shaft 106, and the flow control plate 107 will cooperate with the rotation speed of the flow control shaft 106 to reduce or increase the discharge rate, thereby achieving the purpose of controlling the flow rate. At the same time, when the internal structure is damaged, the rotating handle 110 is disassembled, and then the control rod 108 is disassembled, thereby disassembling and replacing the internal rotating ring 105 and the flow control plate 107, thereby retaining the original beneficial effects while actively and effectively solving the problem that the one-piece molding process will need to replace the entirety when damaged, which will greatly increase the production cost.

[0022] According to this specific embodiment, the liquid outlet pipe 102 is fixedly connected to the liquid inlet pipe 101 and is located on one side of the liquid inlet pipe 101. The positioning cavity 103 is fixedly connected to the liquid inlet pipe 101 and is located inside the liquid inlet pipe 101. The positioning pipe 104 is detachably connected to the liquid inlet pipe 101 and is located inside the liquid inlet pipe 101. The positioning pipe 104 is arranged inside the positioning cavity 103. The rotating ring 105 is rotatably connected to the positioning pipe 104 and is located at a position where the positioning pipe 104 is away from the liquid inlet pipe 101. On one side of the tube 101, the flow control axis 106 is rotatably connected to the rotating ring 105 and is located on the side of the rotating ring 105 away from the positioning tube 104. The liquid outlet pipe 102 and the liquid inlet pipe 101 are the main structural components that constitute the whole, and the positioning cavity 103 is the place for placing the positioning tube 104, and the positioning tube 104 is a functional structural component for accurately positioning the specific positions of the flow control axis 106 and the control rod 108, and the rotating ring 105 is the main structural component for controlling the rotation rate of the flow control plate 107.

[0023] Among them, the flow control plate 107 is detachably connected to the flow control shaft 106 and is located on the outer surface of the flow control shaft 106. The control rod 108 is arranged inside the positioning tube 104, and the control rod 108 is arranged inside the rotating ring 105 and the flow control shaft 106. The flow control plate 107 is an auxiliary structural component that cooperates with the flow control plate 107 to complete the control of the overall flow rate, and the control rod 108 is a functional structural component that cooperates with the rotating ring 105 to form a simple locking structure.

[0024] Secondly, the rotating handle 110 passes through the liquid inlet pipe 101 and is detachably connected to the control rod 108, and is located on the side of the control rod 108 close to the liquid inlet pipe 101. The protective seat 109 is arranged on the outer surface of the rotating handle 110, and the protective seat 109 is fixedly connected to the liquid inlet pipe 101 and is located on the outer surface of the liquid inlet pipe 101. The protective seat 109 is an auxiliary structural component that protects the rotating handle 110, and the rotating handle 110 is an auxiliary structural component that drives the control rod 108 to control the rotating ring 105.

[0025] At the same time, the pressure relief chamber 111 is detachably connected to the liquid inlet pipe 101 and is located inside the liquid inlet pipe 101, and the pressure relief chamber 111 and the positioning chamber 103 are vertically arranged, and the pressure relief plate 112 is arranged inside the pressure relief chamber 111. The pressure relief chamber 111 is the main place for placing the pressure relief plate 112, and the pressure relief plate 112 is an auxiliary functional component for enhancing the pressure resistance of the liquid inlet pipe 101 shell.

[0026] When using the utility model to control the flow, the staff will rotate the rotating handle 110, and then drive the control rod 108 to rotate, and the control rod 108 will control the rotation speed limit of the rotating ring 105. The specific structure can refer to the traditional locking structure, thereby effectively controlling the rotation speed of the flow control shaft 106, and the flow control plate 107 will cooperate with the rotation speed of the flow control shaft 106 to reduce or increase the discharge rate, thereby achieving the purpose of controlling the flow rate. At the same time, when the internal structure is damaged, the rotating handle 110 is disassembled, and then the control rod 108 is disassembled, thereby the internal rotating ring 105 and the flow control plate 107 are disassembled and replaced, thereby retaining the original beneficial effects while actively and effectively solving the problem that the one-piece molding process needs to be completely replaced when damaged, which will greatly increase the production cost.

[0027] Second embodiment

[0028] See also Figure 4 , Figure 4 It is a schematic diagram of the overall structure of the second embodiment of the utility model.

[0029] On the basis of the first embodiment, a top drive plug valve of the utility model further includes an installation and positioning assembly, and the installation and positioning assembly includes a liquid inlet ring 201 , an installation hole 202 , a liquid outlet ring 203 and a positioning hole 204 .

[0030] According to this specific embodiment, the liquid inlet ring 201 is detachably connected to the liquid inlet pipe 101 and is located on the outer surface of the liquid inlet pipe 101, the mounting hole 202 is fixedly connected to the liquid inlet ring 201 and is located inside the liquid inlet ring 201, the liquid outlet ring 203 is detachably connected to the liquid outlet pipe 102 and is located at the center of the outer surface of the liquid outlet pipe 102, the positioning hole 204 is detachably connected to the liquid outlet ring 203 and is located inside the liquid outlet ring 203, when the overall installation needs to be positioned at the specified position, the liquid inlet ring 201 on the liquid inlet pipe 101 will be installed in conjunction with the mounting hole 202, and the positioning hole 204 on the liquid outlet ring 203 will cooperate with the mounting hole 202 to perform linear positioning, installation and fixing operations, thereby effectively preventing the reduction of service life due to irregular external installation.

[0031] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A top drive plug valve, comprising a liquid inlet pipe and a liquid outlet pipe, wherein the liquid outlet pipe is fixedly connected to the liquid inlet pipe and is located on one side of the liquid inlet pipe, characterized in that: It also includes a controllable and detachable flow control component, which includes a positioning cavity, a positioning tube, a rotating ring and a flow control shaft. The positioning cavity is fixedly connected to the liquid inlet tube and is located inside the liquid inlet tube. The positioning tube is detachably connected to the liquid inlet tube and is located inside the liquid inlet tube, and the positioning tube is arranged inside the positioning cavity. The rotating ring is rotatably connected to the positioning tube and is located on a side of the positioning tube away from the liquid inlet tube. The flow control shaft is rotatably connected to the rotating ring and is located on a side of the rotating ring away from the positioning tube.

2. The top drive plug valve according to claim 1, characterized in that: The controllable and detachable flow control component also includes a flow control plate and a control rod. The flow control plate is detachably connected to the flow control shaft and is located on the outer surface of the flow control shaft. The control rod is arranged inside the positioning tube, and the control rod is arranged inside the rotating ring and the flow control shaft.

3. The top drive plug valve according to claim 2, characterized in that: The controllable detachable flow control component also includes a protective seat and a rotating handle, the rotating handle passes through the liquid inlet pipe and is detachably connected to the control rod, and is located on a side of the control rod close to the liquid inlet pipe, the protective seat is arranged on the outer surface of the rotating handle, and the protective seat is fixedly connected to the liquid inlet pipe and is located on the outer surface of the liquid inlet pipe.

4. The top drive plug valve according to claim 3, characterized in that: The controllable detachable flow control component also includes a pressure relief chamber and a pressure relief plate. The pressure relief chamber is detachably connected to the liquid inlet pipe and is located inside the liquid inlet pipe. The pressure relief chamber is vertically arranged with the positioning chamber, and the pressure relief plate is arranged inside the pressure relief chamber.

5. The top drive plug valve according to claim 4, characterized in that: The top-driven plug valve also includes an installation and positioning assembly, which includes a liquid inlet ring, an installation hole, a liquid outlet ring and a positioning hole. The liquid inlet ring is detachably connected to the liquid inlet pipe and is located on the outer surface of the liquid inlet pipe. The installation hole is fixedly connected to the liquid inlet ring and is located inside the liquid inlet ring. The liquid outlet ring is detachably connected to the liquid outlet pipe and is located at the center of the outer surface of the liquid outlet pipe. The positioning hole is detachably connected to the liquid outlet ring and is located inside the liquid outlet ring.

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