Plunger type throttle valve with detection structure

Abstract

The utility model relates to the technical field of throttle valves, in particular to a plunger type throttle valve with a detection structure, which comprises a valve body, a moving hole is arranged in the valve body, a top cover is arranged at the upper end of the valve body, a threaded rod is in threaded connection with the middle of the top cover, and the lower end of the threaded rod extends into the moving hole and is rotatably connected with a connecting column. A valve element is arranged at the lower end of the connecting column, the liquid flow detection sensor is arranged, the liquid flow detection sensor can detect the size of liquid flow in the liquid outlet, the flow of the liquid flow can be conveniently and accurately judged, and the size of water flow can be conveniently adjusted; by arranging the fixing assembly and extruding a moving rod, the moving rod extrudes a first spring and moves into a moving groove, the moving rod drives a clamping block to extrude a second spring and moves into a sliding groove, the clamping block moves out of a clamping groove, limitation of the clamping groove to the clamping block is relieved, a connecting column and a valve element can be separated, the valve element is conveniently replaced, and convenience is enhanced; the throttling effect is prevented from being affected by abrasion of the valve element.

Description

Technical Field

[0001] The utility model relates to the technical field of throttle valves, in particular to a plunger type throttle valve with a detection structure. Background Art

[0002] A throttle valve is a valve that controls the flow of fluid by changing the throttle section or throttle length. The plunger throttle valve is used to be installed in the manifold system of oil and gas drilling to control the production flow and pressure of oil and gas wells. With the strengthening of oil production, the continuous emergence of high-pressure and even ultra-high-pressure oil wells has put forward higher requirements for drilling equipment. As the core component of the throttle manifold, the drilling throttle valve plays a role in controlling the well kick pressure during the drilling process. Pressure control is achieved by adjusting the opening of the throttle valve.

[0003] The existing throttle valve is not convenient for detecting liquid flow, it is difficult to judge the size of the flow, and it is not convenient to replace the valve core. The valve core will wear after long-term use, which will affect the throttling effect. Therefore, the utility model proposes a plunger throttle valve with a detection structure to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a plunger type throttle valve with a detection structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plunger-type throttle valve with a detection structure, comprising a valve body, a movable hole is opened inside the valve body, a top cover is arranged on the upper end of the valve body, a threaded rod is threadedly connected to the middle part of the top cover, the lower end of the threaded rod extends into the movable hole and is rotatably connected to a connecting column, a valve core is arranged at the lower end of the connecting column, two groups of fixing components for fixing the valve core are arranged on the connecting column, a liquid inlet hole is arranged on the valve body, a liquid inlet is fixedly connected to the liquid inlet hole, a connecting hole is opened inside the valve body at the lower side of the movable hole, a liquid outlet hole is opened on the side of the valve body close to the connecting hole, a liquid outlet is fixedly connected to the liquid outlet hole, and a liquid flow detection sensor is arranged on the liquid outlet.

[0006] Preferably, a fixing plate is fixedly connected to the outer surface of the valve body, the fixing plate is fixedly connected to the top cover by bolts, and an adjusting hand wheel is fixedly connected to the upper end of the threaded rod.

[0007] Preferably, the movable hole matches the valve core, the top cover and the valve body are sealed by a sealing ring, the detection end of the liquid flow detection sensor extends into the interior of the liquid outlet, and a limiting groove for the connecting column to extend into is opened at the upper end of the valve core.

[0008] Preferably, the fixing assembly includes a first spring, a moving rod, a block and a second spring, the connecting column is provided with a moving groove for the moving rod to enter, the first spring is arranged in the moving groove, and one end of the first spring is fixedly connected to the connecting column.

[0009] Preferably, the other end of the first spring is fixedly connected to the moving rod, the connecting column is provided with a sliding groove for the card block to slide, the second spring is arranged in the sliding groove, and one end of the second spring is fixedly connected to the connecting column.

[0010] Preferably, the other end of the second spring is fixedly connected to the block, a slot for the block to be inserted is provided on the valve core, the lower end of the moving rod is fixedly connected to the upper end of the block, and the width of the moving rod is smaller than that of the block.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] By providing a liquid flow detection sensor, the liquid flow detection sensor can detect the size of the liquid flow in the liquid outlet, which is convenient for accurately judging the liquid flow rate and adjusting the size of the water flow; by providing a fixed component, the moving rod is squeezed, the moving rod squeezes the first spring and moves into the moving groove, the moving rod drives the block to squeeze the second spring and move into the sliding groove, the block is moved out of the slot, and the restriction of the slot on the block is released, the connecting column and the valve core can be separated, the valve core can be replaced conveniently, the convenience is enhanced, and the wear of the valve core is avoided to affect the throttling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the internal structure of the valve body of the utility model;

[0015] Figure 3 This is a schematic diagram of the external structure of the valve core of the utility model;

[0016] Figure 4 It is a schematic diagram of the structure of the fixing component of the utility model.

[0017] In the figure: 1. valve body; 2. liquid inlet; 3. liquid outlet; 4. liquid flow detection sensor; 5. fixing plate; 6. top cover; 7. threaded rod; 8. connecting column; 9. fixing assembly; 10. adjusting hand wheel; 11. moving hole; 12. liquid inlet hole; 13. connecting hole; 14. liquid outlet hole; 15. valve core; 91. first spring; 92. moving rod; 93. block; 94. second spring. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figures 1 to 4 The utility model provides a technical solution: a plunger type throttle valve with a detection structure, including a valve body 1, a movable hole 11 is opened inside the valve body 1, a top cover 6 is arranged on the upper end of the valve body 1, a threaded rod 7 is threadedly connected to the middle of the top cover 6, the lower end of the threaded rod 7 extends into the movable hole 11 and is rotatably connected to a connecting column 8, a valve core 15 is arranged at the lower end of the connecting column 8, two groups of fixing components 9 for fixing the valve core 15 are arranged on the connecting column 8, a liquid inlet hole 12 is arranged on the valve body 1, a liquid inlet 2 is fixedly connected in the liquid inlet hole 12, a connecting hole 13 is opened inside the valve body 1 at the lower side of the movable hole 11, a liquid outlet hole 14 is opened on the side of the valve body 1 close to the connecting hole 13, and a liquid outlet hole 14 is fixedly connected in the liquid outlet hole 14 The liquid outlet 3 is provided with a liquid flow detection sensor 4. By providing the liquid flow detection sensor 4, the liquid flow detection sensor 4 can detect the size of the liquid flow in the liquid outlet 3, which is convenient for accurately judging the liquid flow rate and adjusting the size of the water flow; by providing a fixed component 9, the moving rod 92 is squeezed, the moving rod 92 squeezes the first spring 91 and moves into the moving groove, the moving rod 92 drives the clamping block 93 to squeeze the second spring 94 and move into the sliding groove, the clamping block 93 is moved out of the clamping groove, and the restriction of the clamping groove on the clamping block 93 is released, the connecting column 8 can be separated from the valve core 15, and the valve core 15 can be replaced conveniently, the convenience is enhanced, and the wear of the valve core 15 is avoided to affect the throttling effect.

[0020] A fixing plate 5 is fixedly connected to the outer surface of the valve body 1, and the fixing plate 5 is fixedly connected to the top cover 6 by bolts. An adjusting hand wheel 10 is fixedly connected to the upper end of the threaded rod 7, and the moving hole 11 matches the valve core 15. The top cover 6 and the valve body 1 are sealed by a sealing ring. The detection end of the liquid flow detection sensor 4 extends into the interior of the liquid outlet 3. A limiting groove for the connecting column 8 to extend into is provided at the upper end of the valve core 15. By rotating the adjusting hand wheel 10, the threaded rod 7 is driven to rotate, and the threaded rod 7 is threadedly connected to the top cover 6. The threaded rod 7 moves downward, and the valve core 15 is driven downward by the connecting column 8 to adjust the size of the liquid flow. The liquid flows from the liquid inlet 2 into the liquid inlet hole 12, then into the connecting hole 13, and then flows into the liquid outlet 3 through the liquid outlet hole 14. The size of the liquid flow in the liquid outlet 3 can be detected by the liquid flow detection sensor 4, which is convenient for adjusting the liquid flow.

[0021] The fixing assembly 9 includes a first spring 91, a moving rod 92, a block 93 and a second spring 94. A moving groove for the moving rod 92 to enter is provided on the connecting column 8. The first spring 91 is arranged in the moving groove. One end of the first spring 91 is fixedly connected to the connecting column 8. The other end of the first spring 91 is fixedly connected to the moving rod 92. A sliding groove for the block 93 to slide is provided on the connecting column 8. The second spring 94 is arranged in the sliding groove. One end of the second spring 94 is fixedly connected to the connecting column 8. The other end of the second spring 94 is fixedly connected to the block 93. A card slot for the block 93 to be inserted is provided on the valve core 15. The moving rod 92 is moved downward. The end is fixedly connected to the upper end of the block 93, the width of the moving rod 92 is smaller than the width of the block 93, and a sliding groove for the moving rod 92 to slide is opened on the valve core 15. When the valve core 15 needs to be replaced, the top cover 6 is opened by turning the bolt, and the valve core 15 can be taken out from the moving hole 11, and the moving rod 92 is squeezed. The moving rod 92 squeezes the first spring 91 and moves into the moving groove. The moving rod 92 drives the block 93 to squeeze the second spring 94 and move into the sliding groove. The block 93 is moved out of the groove, and the restriction of the groove on the block 93 is released. The connecting column 8 can be separated from the valve core 15, which is convenient for replacing the valve core 15.

[0022] Working principle: When in use, by turning the adjusting hand wheel 10, the threaded rod 7 is driven to rotate, the threaded rod 7 is threadedly connected with the top cover 6, the threaded rod 7 moves downward, and the valve core 15 is driven to move downward through the connecting column 8, the size of the liquid flow can be adjusted, the liquid flows from the liquid inlet 2 into the liquid inlet hole 12, then into the connecting hole 13, and then flows into the liquid outlet 3 through the liquid outlet hole 14. The size of the liquid flow in the liquid outlet 3 can be detected by the liquid flow detection sensor 4, which is convenient for adjusting the liquid flow. When the valve core 15 needs to be replaced, the top cover 6 can be opened by turning the bolt, and the valve core 15 can be taken out from the moving hole 11, squeezed Move the rod 92, the moving rod 92 squeezes the first spring 91 and moves into the moving groove, the moving rod 92 drives the block 93 to squeeze the second spring 94 and move into the sliding groove, the block 93 is moved out of the groove, and the restriction of the groove on the block 93 can be released, so that the connecting column 8 can be separated from the valve core 15, which is convenient for replacing the valve core 15. When installing the valve core 15, the connecting column 8 is inserted into the limit groove on the valve core 15 by pressing the moving rod 92, and the moving rod 92 is released. Under the action of the first spring 91 and the second spring 94, the block 93 is driven to be stuck in the groove on the valve core 15, so as to realize the quick installation of the valve core 15.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plunger-type throttle valve with a detection structure, comprising a valve body (1), characterized in that: The valve body (1) is provided with a movable hole (11) inside, a top cover (6) is provided at the upper end of the valve body (1), a threaded rod (7) is threadedly connected to the middle of the top cover (6), the lower end of the threaded rod (7) extends into the movable hole (11) and is rotatably connected to a connecting column (8), a valve core (15) is provided at the lower end of the connecting column (8), two groups of fixing components (9) for fixing the valve core (15) are provided on the connecting column (8), a liquid inlet hole (12) is provided on the valve body (1), a liquid inlet port (2) is fixedly connected to the liquid inlet hole (12), a connecting hole (13) is provided inside the valve body (1) at the lower side of the movable hole (11), a liquid outlet hole (14) is provided on the side of the valve body (1) close to the connecting hole (13), a liquid outlet port (3) is fixedly connected to the liquid outlet hole (14), and a liquid flow detection sensor (4) is provided on the liquid outlet port (3).

2. The plunger type throttle valve with a detection structure according to claim 1, characterized in that: A fixing plate (5) is fixedly connected to the outer surface of the valve body (1), the fixing plate (5) is fixedly connected to the top cover (6) by bolts, and an adjusting hand wheel (10) is fixedly connected to the upper end of the threaded rod (7).

3. The plunger type throttle valve with a detection structure according to claim 2, characterized in that: The movable hole (11) matches the valve core (15), the top cover (6) and the valve body (1) are sealed and connected via a sealing ring, the detection end of the liquid flow detection sensor (4) extends into the interior of the liquid outlet (3), and the upper end of the valve core (15) is provided with a limit groove for the connection column (8) to extend into.

4. The plunger type throttle valve with a detection structure according to claim 3, characterized in that: The fixing assembly (9) comprises a first spring (91), a moving rod (92), a block (93) and a second spring (94); the connecting column (8) is provided with a moving groove for the moving rod (92) to enter; the first spring (91) is arranged in the moving groove; and one end of the first spring (91) is fixedly connected to the connecting column (8).

5. The plunger type throttle valve with a detection structure according to claim 4, characterized in that: The other end of the first spring (91) is fixedly connected to the moving rod (92), the connecting column (8) is provided with a sliding groove for the block (93) to slide, the second spring (94) is arranged in the sliding groove, and one end of the second spring (94) is fixedly connected to the connecting column (8).

6. The plunger type throttle valve with a detection structure according to claim 5, characterized in that: The other end of the second spring (94) is fixedly connected to the clamping block (93); a clamping groove for the clamping block (93) to be clamped is provided on the valve core (15); the lower end of the moving rod (92) is fixedly connected to the upper end of the clamping block (93); and the width of the moving rod (92) is smaller than the width of the clamping block (93).

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