A butterfly valve for convenient flow regulation and its use method

Abstract

The present invention relates to the field of oil drilling technology, specifically to a butterfly valve that is convenient for adjusting flow, including a connecting pipe and a rotating blocking body, wherein two rotating blocking bodies are symmetrically arranged on both sides of the connecting pipe, connecting holes are arranged on both sides of the connecting pipe, and a closing disk is connected inside the connecting pipe; the rotating blocking body includes a connecting body and a transmission rod mechanism, the transmission rod mechanism is arranged inside the connecting body, and a rotating handwheel is connected to the outer end of the transmission rod mechanism; the closing disk includes a main body, a first closing disk and a second closing disk, the first closing disk and the second closing disk are rotatably connected on both sides of the main body, and the outer sides of the first closing disk and the second closing disk are respectively connected to the two transmission rod mechanisms. The present invention is easy to operate, and by dividing the closing disk inside the butterfly valve into two, the two semicircular closing disks of the two parts can be adjusted separately by using the two blocking bodies arranged on both sides, thereby achieving the effect of adjusting the flow inside the connecting pipe.

Description

Technical Field

[0001] The invention relates to a butterfly valve, in particular to a butterfly valve for adjusting flow and a use method thereof, belonging to the technical field of oil drilling. Background Art

[0002] Oil drilling technology is the process of discovering oil-bearing blocks through exploration. It refers to the use of special equipment and technology to drill a cylindrical hole of a certain diameter downward or to one side at a pre-selected surface location and drill into the underground oil and gas layer. Oil drilling is the excavation of oil fields that have been surveyed.

[0003] In the process of oil drilling, pipelines are needed to transport oil. When using pipelines, various valves are used to close or connect them according to the needs of use.

[0004] The existing butterfly valve has a poor flow regulation effect and is not easy to adjust when closing or regulating the flow inside the pipeline.

[0005] Therefore, it is urgent to improve the surface grinder to solve the above-mentioned problems. Summary of the invention

[0006] The object of the present invention is to provide a butterfly valve that is easy to adjust the flow rate and a method of using the same. The butterfly valve is easy to operate. By dividing the closing disk inside the butterfly valve into two parts, the two semicircular closing disks can be adjusted separately by using two blocking bodies arranged on both sides, thereby making the adjustment of the flow rate inside the connecting pipeline more flexible.

[0007] In order to achieve the above object, the main technical solutions adopted by the present invention include:

[0008] A butterfly valve for adjusting flow rate, comprising a connecting pipe and a rotating blocking body, wherein two rotating blocking bodies are symmetrically arranged on both sides of the connecting pipe, connecting holes are arranged on both sides of the connecting pipe, and a sealing disk is connected inside the connecting pipe;

[0009] The rotating blocking body includes a connecting body and a transmission rod mechanism, wherein the transmission rod mechanism is arranged inside the connecting body, and a rotating hand wheel is connected to the outer end of the transmission rod mechanism;

[0010] The closing disk includes a main body, a first closing disk and a second closing disk. The first closing disk and the second closing disk are rotatably connected to both sides of the main body. The outer sides of the first closing disk and the second closing disk are respectively connected to the two transmission rod mechanisms.

[0011] Preferably, the connecting hole is used for connecting the valve body and the pipeline, the upper and lower end surfaces inside the connecting pipeline are provided with positioning grooves, through holes are opened on both sides of the connecting pipeline, and the inner walls of the through holes are provided with rubber sealing rings.

[0012] Preferably, positioning blocks are provided on the upper end face and the lower end face of the main body, cylinders are provided in the middle parts of both sides of the main body, and engaging discs are provided on the outer sides of the cylinders, and a first groove equal to the size and shape of the cylinder is provided on the side where the first closed disc and the second closed disc are connected to the main body, and a second groove equal to the size and shape of the engaging disc is provided inside the first groove, and holes are provided on the outer sides of the first closed disc and the second closed disc.

[0013] Preferably, the first closing disk and the second closing disk are semicircular closing disks that are symmetrical to each other, and a rubber sealing layer is attached to the surfaces of the first closing disk and the second closing disk.

[0014] Preferably, the transmission rod mechanism includes a first connecting rod, a first gear and a second connecting rod, one end of the first connecting rod passes through the through hole and is connected to the socket, the first gear is connected to the end of the first connecting rod away from the socket, a threaded hole is provided at the end of the connecting body away from the connecting pipe, a part of the surface of the second connecting rod is provided with threaded teeth matching the first gear, and another part of the surface of the second connecting rod is provided with an external thread structure matching the threaded hole, the first gear is meshed and connected with the threaded teeth, and the external thread structure is screwed and connected to the threaded hole.

[0015] Preferably, the two first connecting rods in the two transmission mechanisms are respectively connected to the two insertion holes provided on the first closing disk and the second closing disk.

[0016] Preferably, the second connecting rod extends to the outside of the connecting body, and the portion of the second connecting rod extending to the outside of the connecting body is connected to the rotating hand wheel.

[0017] Preferably, the outer ring of the rotating hand wheel is provided with a handle rod, and the surfaces of the handle rod and the rotating hand wheel are both provided with anti-slip textures.

[0018] Preferably, the first closing disk and the second closing disk are separately connected to the two sealing bodies.

[0019] A method for using a butterfly valve for adjusting flow rate comprises the following steps:

[0020] S1: When the valve body adjusts the pipeline flow, the rotating hand wheel connected to the first closing disk is rotated to rotate in the threaded hole, so that the rotating threaded teeth drive the first gear meshing with itself to rotate, thereby driving the first connecting rod to rotate, and finally driving the first closing disk to rotate and adjust, thereby realizing the control and adjustment of the flow inside the pipeline;

[0021] S2: When the liquid flow inside the pipeline cannot meet the usage requirements, by rotating the rotating handwheel connected to the second closing disk, the second closing disk is rotated in the same way as the first closing disk, so that the second closing disk can be rotated and adjusted inside the connecting pipeline, and finally the flow inside the pipeline can be further adjusted.

[0022] The present invention has at least the following beneficial effects:

[0023] 1. By dividing the closing disc inside the butterfly valve into two parts, the two semicircular closing discs are independently connected by two blocking bodies arranged on both sides, so that the two semicircular closing discs can be adjusted separately, so that the adjustment of the flow inside the connecting pipeline has higher flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0025] Figure 1 is a top cross-sectional view of the present invention;

[0026] Figure 2 It is a schematic diagram of the three-dimensional structure of the present invention;

[0027] Figure 3 It is a partial three-dimensional structural schematic diagram of the present invention;

[0028] Figure 4 It is a schematic diagram of the three-dimensional structure of the closed coiled part of the present invention;

[0029] Figure 5 It is a disassembled anatomical schematic diagram of the closing disk of the present invention;

[0030] Figure 6 It is a schematic diagram of the three-dimensional structure of the closed disk of the present invention;

[0031] Figure 7 It is a cross-sectional view of the connecting pipeline of the present invention.

[0032] In the figure, 1-connecting pipe, 2-rotating blocking body, 201-connecting body, 202-transmission rod mechanism, 3-connecting hole, 4-closing disk, 401-body, 402-first closing disk, 403-second closing disk, 5-rotating hand wheel, 6-positioning groove, 7-through hole, 701-rubber sealing ring, 8-positioning block, 9-cylinder, 10-clamping disk, 11-first groove, 12-second groove, 13-jack, 14-rubber sealing layer, 15-first connecting rod, 16-first gear, 17-second connecting rod, 18-threaded hole, 19-threaded teeth, 20-external thread structure, 21-handle rod. DETAILED DESCRIPTION

[0033] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0034] like Figure 1-Figure 7 As shown, the butterfly valve for adjusting flow provided in this embodiment includes a connecting pipe 1 and a rotating blocking body 2. Two rotating blocking bodies 2 are symmetrically arranged on both sides of the connecting pipe 1. Both sides of the connecting pipe 1 are provided with connecting holes 3. The connecting holes 3 are used to connect the valve body with the pipe. A closing disk 4 is connected inside the connecting pipe 1. The closing disk 4 is used to close the valve body.

[0035] The rotating blocking body 2 includes a connecting body 201 and a transmission rod mechanism 202, the transmission rod mechanism 202 is arranged inside the connecting body 201, the outer end of the transmission rod mechanism 202 is connected to a rotating hand wheel 5, the rotating hand wheel 5 facilitates the transmission rod mechanism 202 to rotate, the transmission rod mechanism 202 includes a first connecting rod 15, a first gear 16 and a second connecting rod 17, one end of the first connecting rod 15 passes through the through hole 7 and is connected to the socket 13, the first gear 15 is connected to the end of the first connecting rod 15 away from the socket 13, the end of the connecting body 201 away from the connecting pipe 1 is provided with a threaded hole 18, a portion of the surface of the second connecting rod 17 is provided with a threaded hole 18 connected to the first The gear 16 is matched with the threaded teeth 19, and another part of the surface of the second connecting rod 17 is provided with an external threaded structure 20 matched with the threaded hole 18. The first gear 16 is meshed and connected with the threaded teeth 19, and the external threaded structure 20 is screwed and connected with the threaded hole 18. When the valve body adjusts the pipeline flow, by rotating the rotating hand wheel 5 connected with the first closing disk 402, the rotating hand wheel 5 is rotated in the threaded hole 18, so that the rotating threaded teeth 19 drive the first gear 16 meshed with itself to rotate, thereby driving the first connecting rod 15 to rotate, and finally driving the first closing disk 402 to rotate and adjust, so as to realize the control and adjustment of the internal flow of the pipeline;

[0036] The closing disk 4 includes a main body 401, a first closing disk 402 and a second closing disk 403. The first closing disk 402 and the second closing disk 403 are rotatably connected on both sides of the main body 401. The outer sides of the first closing disk 402 and the second closing disk 403 are respectively connected to the two transmission rod mechanisms 202. The connecting hole 3 is used for connecting the valve body and the pipeline. The upper and lower end surfaces inside the connecting pipeline 1 are provided with positioning grooves 6. Through holes 7 are opened on both sides of the connecting pipeline 1. The inner wall of the through hole 7 is provided with a rubber sealing ring 701. The through hole 7 is used for the through connection of the first connecting rod 15. The rubber sealing ring 701 improves the sealing effect of the device connection. The upper and lower end surfaces of the main body 401 are provided with positioning blocks 8. The setting of the positioning blocks 8 and the positioning grooves 6 enables the main body 401 to have a positioning and stabilizing effect inside the connecting pipeline 1. The middle parts on both sides of the main body 401 are provided with A cylinder 9 is arranged, and a locking disc 10 is arranged on the outer side of the cylinder 9. A first groove 11 equal to the size and shape of the cylinder 9 is arranged on the side where the first closed disc 402 and the second closed disc 403 are connected to the main body 401. The cylinder 9 is used to be inserted into the first groove 11, so that the first closed disc 402 and the second closed disc 403 have a rotation effect on both sides of the main body 401. A second groove 12 equal to the size and shape of the locking disc 10 is opened inside the first groove 11. The locking disc 10 is used to be inserted into the second groove 12. The setting of the locking disc 10 and the second groove 12 can effectively prevent the first closed disc 402 and the second closed disc 403 from falling off when rotating. The outer sides of the first closed disc 402 and the second closed disc 403 are provided with a socket 13, and the socket 13 is used for the through connection of the first connecting rod 15.

[0037] In this embodiment, if Figure 5 and Figure 6 As shown, the first closing disk 402 and the second closing disk 403 are mutually symmetrical semicircular closing disks, and the surfaces of the first closing disk 402 and the second closing disk 403 are attached with a rubber sealing layer 14. The two symmetrically arranged semicircular structures of the first closing disk 402 and the second closing disk 403 can fit perfectly with the inner wall of the connecting pipe 1, so that the closing disk 4 has a better sealing effect. The setting of the rubber sealing layer 14 can further improve the sealing effect of the closing disk 4.

[0038] In this embodiment, if Figure 1 As shown, the two first connecting rods 15 in the two transmission mechanisms 202 are respectively connected to the two sockets 13 set on the first closing disk 402 and the second closing disk 403. Through the connection and rotation of the two transmission mechanisms 202, the first closing disk 402 and the second closing disk 403 are driven to rotate and adjust.

[0039] In this embodiment, if Figure 1As shown, the second connecting rod 17 extends to the outside of the connecting body 201, and the part of the second connecting rod 17 extending to the outside of the connecting body 201 is connected to the rotating hand wheel 5. Through the connection between the rotating hand wheel 5 and the second connecting rod 17, the rotating hand wheel 5 drives the second connecting rod 17 to rotate.

[0040] In this embodiment, if Figure 1 As shown, the outer ring of the rotating handwheel 5 is provided with a handle rod 21, and the surfaces of the handle rod 21 and the rotating handwheel 5 are both provided with anti-skid patterns. The setting of the handle rod 21 further improves the convenience of the rotating handwheel 5 when rotating. The setting of the anti-skid patterns on the surfaces of the rotating handwheel 5 and the handle rod 21 can greatly improve the anti-skid effect of the rotating handwheel 5 and the handle rod 21, and can increase the friction when rotating.

[0041] In this embodiment, if Figure 1 As shown, the first closing disk 402 and the second closing disk 403 are separately connected to the two sealing bodies 2, and the setting that the two sealing bodies 2 are separately connected to the first closing disk 402 and the second closing disk 403 can make the first closing disk 402 and the second closing disk 403 be adjusted separately, so that the adjustment of the internal flow of the connecting pipe 1 has higher flexibility.

[0042] A method for using a butterfly valve for adjusting flow rate comprises the following steps:

[0043] S1: When the valve body is adjusting the pipeline flow, the rotating hand wheel 5 connected to the first closing disk 402 is rotated to rotate the rotating hand wheel 5 in the threaded hole 18, so that the rotating threaded teeth 19 drive the first gear 16 meshing with itself to rotate, thereby driving the first connecting rod 15 to rotate, and finally driving the first closing disk 402 to rotate and adjust, so as to achieve control and adjustment of the flow inside the pipeline;

[0044] S2: When the liquid flow inside the pipeline cannot meet the usage requirements, by rotating the rotating handwheel 5 connected to the second closed disk 402, the second closed disk 403 is rotated and adjusted in the same way as the first closed disk 402, so that the second closed disk 403 is rotated and adjusted inside the connecting pipeline 1, and finally the flow inside the pipeline is further adjusted.

[0045] For example, certain words are used in the specification and claims to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but use differences in the functions of components as the criteria for distinction. For example, "including" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve technical problems within a certain error range and basically achieve technical effects.

[0046] It should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a product or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such product or system. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the product or system including the elements.

[0047] The above description shows and describes several preferred embodiments of the present invention, but as mentioned above, it should be understood that the present invention is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the invention concept described herein through the above teachings or the technology or knowledge of the relevant field. Changes and variations made by those skilled in the art do not depart from the spirit and scope of the present invention, and should be within the scope of protection of the claims attached to the present invention.

Claims

1. A butterfly valve for adjusting flow rate, comprising a connecting pipe (1) and a rotating blocking body (2), characterized in that: Two rotating blocking bodies (2) are symmetrically arranged on both sides of the connecting pipe (1), connecting holes (3) are arranged on both sides of the connecting pipe (1), and a sealing disk (4) is connected inside the connecting pipe (1); The rotating blocking body (2) comprises a connecting body (201) and a transmission rod mechanism (202), wherein the transmission rod mechanism (202) is arranged inside the connecting body (201), and the outer end of the transmission rod mechanism (202) is connected to a rotating hand wheel (5); The closing disk (4) comprises a main disk body (401), a first closing disk (402) and a second closing disk (403), wherein the first closing disk (402) and the second closing disk (403) are rotatably connected to two sides of the main disk body (401), and the outer sides of the first closing disk (402) and the second closing disk (403) are respectively connected to the two transmission rod mechanisms (202).

2. A butterfly valve for facilitating flow regulation according to claim 1, characterized in that: The connecting hole (3) is used for connecting the valve body to the pipeline. The upper and lower end surfaces inside the connecting pipeline (1) are both provided with positioning grooves (6). Through holes (7) are opened on both sides of the connecting pipeline (1). The inner wall of the through hole (7) is provided with a rubber sealing ring (701).

3. A butterfly valve for facilitating flow regulation according to claim 2, characterized in that: The upper end surface and the lower end surface of the main disk body (401) are both provided with positioning blocks (8), the middle parts of both sides of the main disk body (401) are both provided with cylinders (9), the outer side of the cylinders (9) is provided with a locking disk (10), the side surface of the first closing disk (402) and the second closing disk (403) connected to the main disk body (401) is provided with a first groove (11) of the same size and shape as the cylinder (9), the inside of the first groove (11) is provided with a second groove (12) of the same size and shape as the locking disk (10), and the outer sides of the first closing disk (402) and the second closing disk (403) are both provided with a socket (13).

4. A butterfly valve for facilitating flow regulation according to claim 3, characterized in that: The first closing disk (402) and the second closing disk (403) are semicircular closing disks that are symmetrical to each other, and a rubber sealing layer (14) is attached to the surfaces of the first closing disk (402) and the second closing disk (403).

5. A butterfly valve for adjusting flow according to claim 4, characterized in that: The transmission rod mechanism (202) includes a first connecting rod (15), a first gear (16) and a second connecting rod (17), one end of the first connecting rod (15) passes through the through hole (7) and is connected to the socket (13), the first gear (16) is connected to the end of the first connecting rod (15) away from the socket (13), a threaded hole (18) is provided at the end of the connecting body (201) away from the connecting pipe (1), a portion of the surface of the second connecting rod (17) is provided with threaded teeth (19) adapted to the first gear (16), and another portion of the surface of the second connecting rod (17) is provided with an external thread structure (20) adapted to the threaded hole (18), the first gear (16) is meshedly connected to the threaded teeth (19), and the external thread structure (20) is screwed and connected to the threaded hole (18).

6. A butterfly valve for facilitating flow regulation according to claim 5, characterized in that: The two first connecting rods (15) in the two transmission rod mechanisms (202) are respectively connected to the two insertion holes (13) provided on the first closing disk (402) and the second closing disk (403).

7. A butterfly valve for facilitating flow regulation according to claim 6, characterized in that: The second connecting rod (17) extends to the outside of the connecting body (201), and the portion of the second connecting rod (17) extending to the outside of the connecting body (201) is connected to the rotating hand wheel (5).

8. The butterfly valve for facilitating flow regulation according to claim 7, characterized in that: The outer ring of the rotating hand wheel (5) is provided with a handle bar (21), and the surfaces of the handle bar (21) and the rotating hand wheel (5) are both provided with anti-slip patterns.

9. A butterfly valve for facilitating flow regulation according to claim 8, characterized in that: The first closing disc (402) and the second closing disc (403) are separately connected to the two rotating blocking bodies (2).

10. The method for using a butterfly valve for adjusting flow rate according to claim 9, characterized in that: The following steps are involved: S1: When the valve body is regulating the flow rate of the pipeline, the rotating hand wheel (5) connected to the first closing disk (402) is rotated, so that the rotating hand wheel (5) rotates in the threaded hole (18), so that the rotating threaded teeth (19) drive the first gear (16) meshed with itself to rotate, thereby driving the first connecting rod (15) to rotate, and finally driving the first closing disk (402) to rotate and adjust, thereby achieving control and regulation of the flow rate inside the pipeline; S2: When the liquid flow rate inside the pipeline cannot meet the use requirements, by rotating the rotating hand wheel (5) connected to the first closing disk (402), the second closing disk (403) is rotated in the same way as the first closing disk (402), so that the second closing disk (403) is rotated and adjusted inside the connecting pipeline (1), and finally the flow rate inside the pipeline is further adjusted.

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