Butterfly valve suitable for being opened in high-pressure state

Abstract

The utility model provides a butterfly valve suitable for opening in a high pressure state, which comprises a valve body mechanism used for shifting opening of an embedded valve core, the valve body mechanism comprises a valve sleeve used for external protection, the interior of the valve sleeve body is hollow, two end faces of the valve sleeve are respectively covered with a valve body, the surface of the valve body is provided with a concave groove, and the concave groove is communicated with the valve sleeve. Pressing plates are arranged on the two end faces of the groove position of the concave groove, sealing gaskets are installed at the end positions of the plate faces of the pressing plates, screw gaskets are connected to the two ends of the sealing gaskets in an attached and cushioned mode, fastening screws are arranged at the two ends of the screw gaskets, the two sides of the sealing gaskets are sleeved with the end positions of the fastening screws, and driving mechanisms are arranged on the side walls of the edges of the valve body in a limiting mode; deflection of the valve body plugging structure is achieved through the adopted linkage state of the valve body, the concave groove and the specific rod body of the worm, and in addition, two opening or closing modes are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of hardware valves, in particular to a butterfly valve suitable for opening in a high-pressure state. Background Art

[0002] A butterfly valve, also known as a flap valve, is a simple regulating valve that can be used for on-off control of low-pressure pipeline media. A butterfly valve is a valve whose closing member (valve disc or butterfly plate) is a disc that rotates around the valve shaft to open and close.

[0003] After searching, we found the patent number: CN95230552.6 hydraulic self-closing butterfly valve;

[0004] An industrial hydraulic self-closing butterfly valve comprises a butterfly valve body and features a hydraulic self-closing drive mechanism connected to the outside of the valve shaft. This mechanism includes connecting pipes with check valves on either side of the butterfly disc of the butterfly valve body, each connected to a reversing valve. A crank is connected to the outside of the valve shaft and hingedly connected to the piston rod of a hydraulic cylinder. The reversing valve has two water outlets: one directly connected to the rod chamber of the hydraulic cylinder, and the other connected to the rodless chamber of the hydraulic cylinder via a throttle valve. This valve is safe and reliable to use, pollution-free, flexible and reliable to activate, and easy to assemble, adjust, and maintain.

[0005] 1) Conventional valves will damage the sealing ring during opening and closing under high pressure, especially when used with hard materials. Solution: This valve uses metal gap sealing and does not have a sealing ring. In addition, there are various differences in the valve body's drive method and sealing method.

[0006] 2) In addition, during the use of conventional valves, it is very necessary to automatically open and close the valves during the opening and closing stages of the high-pressure valves. Utility Model Content

[0007] The purpose of the present utility model is to provide a butterfly valve suitable for opening under high pressure conditions, so as to solve the problem proposed in the above background technology that conventional valves will cause damage to the sealing ring during opening and closing under high pressure conditions, especially relatively hard materials, which are more likely to cause the above problems of the sealing ring.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a butterfly valve suitable for opening under high-pressure conditions, including a valve body mechanism, which is used to open the embedded valve core by toggling, wherein the valve body mechanism includes a valve sleeve for external protection, the interior of the valve sleeve is hollow, and the two end surfaces of the valve sleeve are covered with a valve body, and a concave groove is provided on the surface of the valve body, and pressure plates are provided at both end surfaces of the groove position of the concave groove, and sealing gaskets are installed at the end positions of the plate surface of the pressure plate, and screw gaskets are fitted at both ends of the sealing gasket, and fastening screws are provided at both ends of the screw gasket, and the end positions of the fastening screws are sleeved on both sides of the sealing gasket, and the edge side walls of the valve body are limited by a driving mechanism.

[0009] As a preferred solution of the present utility model: the side wall of the driving mechanism is installed with a first access base, the end side wall of the first access base is laterally installed with a connecting rod, the other end of the connecting rod is laterally transmitted with a side wall cover, the middle part of the cover body end of the side wall cover is provided with a first conical base, the end of the first conical base is installed with a first sealing ring, and the cover connecting end of the first sealing ring is sleeved with a scheduling screw for limiting.

[0010] As a preferred solution of the present invention: a serial opening is opened in the middle of the first sealing ring, a right shaft is laterally serially arranged in the middle of the hole of the serial opening, a spacer is sleeved in the axial middle of the right shaft, a second sealing ring is provided at the end position of the right shaft, and the sleeve end of the second sealing ring is interspersed with the end of the right shaft arranged in the middle.

[0011] As a preferred solution of the present invention: an actuator is installed at the end position of the first sealing ring, and the actuator includes an opening arranged in the middle of the end of the first sealing ring, a worm is installed horizontally in the middle of the end of the opening, and the outer cover of the worm body is connected to the actuator.

[0012] As a preferred solution of the present invention: the end side wall of the worm is also installed with conical teeth, and a transmission rod is also vertically installed on the top of the gear of the conical teeth. A conical top cover is vertically provided in the middle of the top end of the rod body of the transmission rod, and a forward and reverse motor is vertically provided in the middle of the top end of the cover body of the conical top cover.

[0013] As a preferred solution of the present invention: a coordination control seat for scheduling is installed on the top side of the forward and reverse motor, and an electric meter is provided in the middle of the top of the coordination control seat;

[0014] A terminal actuator is laterally installed at the middle of the end of the actuator.

[0015] As a preferred solution of the present invention: the end actuator includes a sleeve installed at the end position of the actuator, a first annular sleeve is installed at one end of the sleeve, the outer side wall of the end of the first annular sleeve is sleeved with a fitting ring, an annular sleeve is installed in the middle of the fitting ring, a second conical base is vertically provided in the middle of the bottom end of the annular sleeve, a sealing cover is embedded in the interior of the second conical base, a sealing groove is transversely embedded in one end of the cover body of the sealing cover, and sealing rubber rings are sleeved at both ends of the groove of the sealing groove.

[0016] As a preferred solution of the present invention: a second annular sleeve is installed at one end of the sealing rubber ring, and a second access base is installed at the upper and lower ends of the second annular sleeve, and a fastening bolt is installed at the middle of the top of the second access base. The upper and lower ends are respectively arranged for transmission between the second annular sleeve, and the other end of the second annular sleeve is respectively connected to the outer linkage roller shaft, and the end of the linkage roller shaft is arranged to be adjusted with the inner side wall of the externally connected toggle support rod.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1) The deflection of the valve body sealing structure is achieved by the linkage state of the valve body, the concave groove and the specific worm rod. In addition, there are two ways to open or close. One of them is to use the state of the cylinder deflection of the toggle support rod and the annular sleeve to control the deflection state of the sealing groove and the cover body of the sealing cover to achieve the corresponding sealing connection of the annular sleeve. The sleeve and the worm gear linkage state at the end position are used to better flip the cover body of the sealing cover;

[0019] 2) The axial flipping state of the toggle support rod and the linked roller shaft of the end head realizes the left and right flipping of the slot position of the sealing groove. The conical teeth are further coordinated and controlled under the control of the forward and reverse motor. The opening and the worm rod structure are used to realize the corresponding worm rod coordinated control of one end of the connecting rod to realize deflection. The annular sleeve and the sleeve at the end head position are used to realize the regulation rotation to realize the dual-combination of automatic and manual switching operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the valve body structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the worm structure of the utility model;

[0023] Figure 4 This is a schematic diagram of the forward and reverse motor structure of the utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the final actuator of the utility model;

[0025] Figure 6 This is a schematic diagram of the fastening bolt structure of the utility model;

[0026] Figure 7 This is a schematic diagram of the structure of the actuator of the utility model;

[0027] Figure 8 This is a schematic diagram of the annular sleeve structure of the utility model;

[0028] Figure 9 This is a schematic structural diagram of the second annular sleeve of the present invention.

[0029] In the figure: 1, valve body mechanism; 11, valve sleeve; 12, valve body; 13, concave groove; 14, pressure plate; 15, sealing gasket; 16, screw washer; 17, fastening screw;

[0030] 2. Drive mechanism; 21. First access base; 22. Connecting rod; 23. Side wall cover; 24. First conical base; 25. First sealing ring; 26. Adjusting screw; 27. Serial opening; 28. Right shaft; 29. ​​Spacer; 291. Second sealing ring;

[0031] 3. Actuator; 31. Opening; 32. Worm; 33. Actuator; 34. Conical teeth; 35. Transmission rod; 36. Conical top cover; 37. Forward and reverse motor; 38. Coordination control seat; 39. Electric meter;

[0032] 4. End actuator; 41. Sleeve; 42. First annular sleeve; 43. Fitting ring; 44. Annular sleeve; 45. Second conical base; 46. Sealing cover; 47. Sealing groove; 48. Sealing rubber ring; 49. Second annular sleeve; 491. Second access base; 492. Fastening bolt; 493. Linkage roller; 494. Toggle support rod. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0034] See also Figure 1 - Figure 9The utility model provides a technical solution: a butterfly valve suitable for opening under high-pressure conditions, including a valve body mechanism 1, which is used to open the embedded valve core by toggling, wherein the valve body mechanism 1 includes a valve sleeve 11 for external protection, the interior of the valve sleeve 11 is hollow, and the two end surfaces of the valve sleeve 11 are covered with a valve body 12, and a concave groove 13 is provided on the surface of the valve body 12, and pressure plates 14 are provided on the two end surfaces of the groove position of the concave groove 13, and sealing gaskets 15 are installed at the end positions of the plate surface of the pressure plate 14, and screw gaskets 16 are fitted at both ends of the sealing gasket 15. Fastening screws 17 are provided at both ends of the screw gasket 16, and the end positions of the fastening screws 17 are sleeved on both sides of the sealing gasket 15. The edge side walls of the valve body 12 are limited by a driving mechanism 2.

[0035] In this embodiment: a first access base 21 is installed on the side wall of the driving mechanism 2, a connecting rod 22 is installed laterally on the end side wall of the first access base 21, the other end of the connecting rod 22 is laterally transmitted with a side wall cover 23, a first conical base 24 is provided in the middle of the cover end of the side wall cover 23, a first sealing ring 25 is installed on the end of the first conical base 24, and a scheduling screw 26 for limiting is sleeved on the cover connection end of the first sealing ring 25.

[0036] The main purpose of the first access base 21 and the connecting rod 22 structure is to coordinate the flipping of the side wall cover 23.

[0037] In this embodiment: a serial opening 27 is opened in the middle of the first sealing ring 25, a right shaft 28 is laterally serially arranged in the middle of the hole of the serial opening 27, a spacer sleeve 29 is sleeved on the axial middle of the right shaft 28, and a second sealing ring 291 is provided at the end position of the right shaft 28, and the sleeve end of the second sealing ring 291 is inserted into the end of the right shaft 28 arranged in the middle.

[0038] The second sealing ring 291 and the right shaft 28 used in the axial direction better complete the axial flipping of the first sealing ring 25 and the right shaft 28.

[0039] In this embodiment: an actuator 3 is installed at the end position of the first sealing ring 25, and the actuator 3 includes an opening 31 arranged in the middle of the end of the first sealing ring 25, a worm 32 is installed horizontally in the middle of the end of the opening 31, and an actuator 33 is connected to the outer cover of the rod body of the worm 32.

[0040] The opening 31 and the worm 32 are linked to each other in combination with the cover-connected actuator 33 to flip open the valve body 12 .

[0041] In this embodiment: the end side wall of the worm 32 is also installed with a conical tooth 34, and the top of the gear of the conical tooth 34 is also vertically installed with a transmission rod 35. The middle part of the top end of the rod body of the transmission rod 35 is vertically provided with a conical top cover 36, and the middle part of the top end of the cover body of the conical top cover 36 is vertically provided with a forward and reverse motor 37.

[0042] The transmission rod 35 and the conical top cover 36 are in the cover-connected state, and are used to cover the connection of the external motor.

[0043] In this embodiment: a coordination control seat 38 for scheduling is installed on the top side of the forward and reverse motor 37, and an electric meter 39 is provided in the middle of the top of the coordination control seat 38;

[0044] The end actuator 4 is laterally mounted in the middle of the end of the actuator 33 .

[0045] The coordinated control of the coordinated control seat 38 and the electric meter 39 is used to deflect the rod structure of the screw rod.

[0046] In this embodiment: the end actuator 4 includes a sleeve 41 installed at the end position of the actuator 33, and a first annular sleeve 42 is installed at one end of the sleeve 41. The outer side wall of the end of the first annular sleeve 42 is sleeved with a fitting ring 43, and an annular sleeve 44 is installed in the middle of the fitting ring 43. A second conical base 45 is vertically provided in the middle of the bottom end of the annular sleeve 44, and a sealing cover 46 is embedded in the interior of the second conical base 45. A sealing groove 47 is transversely embedded at one end of the cover body of the sealing cover 46, and sealing rubber rings 48 are sleeved at both ends of the groove of the sealing groove 47.

[0047] The control of the corresponding actuator 33 is achieved through the protective effect of the first annular sleeve 42 and the fitting collar 43 and the linkage effect between the second conical base 45.

[0048] In this embodiment: a second annular sleeve 49 is installed at one end of the sealing rubber ring 48, and a second access base 491 is installed at the upper and lower ends of the second annular sleeve 49. A fastening bolt 492 is installed in the middle of the top of the second access base 491, and the upper and lower ends are respectively arranged to transmit to the second annular sleeve 49. The other end of the second annular sleeve 49 is respectively connected to the outer linkage roller 493, and the end of the linkage roller 493 is arranged to be adjusted with the inner wall of the externally connected toggle support rod 494.

[0049] The second annular sleeve 49, the linkage roller 493 and the lever body of the toggle support rod 494 are coordinated and controlled for manual operation.

[0050] When used specifically, step 1: serving as a protective component on the valve sleeve 11;

[0051] First, the personnel need to use the access limit of the valve body 12 to realize the splicing and assembly between the concave grooves 13 on both sides, and use the pressure plate 14 and the sealing gaskets 15 at both ends to assemble. The purpose is to use the pressure plate 14 and the sealing gasket 15 as a cushion for the screw washers 16 on both sides, so as to penetrate and tighten the fastening screws 17 on both sides. At this time, the user then uses the internal cavity position of the valve sleeve 11;

[0052] Step 2: Implementation of opening and closing gates:

[0053] There are two actions to realize the opening process of the butterfly valve. One is manual opening, which is to toggle the support rod 494. After the rod body of the toggle support rod 494 rotates, the rotation of the linkage roller 493 is dispatched. At this moment, the axis of the linkage roller 493 turns. At this moment, the turning end will synchronously control the deflection of the cover body of the blocking cover 46, and control the sealing groove 47 to realize the rotation of the X-axis direction around the center of the roller. After the rotation, the deflection and flipping of the sealing rubber ring 48 are utilized to further improve the deflection and steering of the cover body of the blocking cover 46. Finally, the internal space of the actuator 33 at this moment rotates until the coordinated rotation between the corresponding sleeves 41 is better achieved.

[0054] According to the specific limit of the scheduling screw 26, finally, for the convenience of coordination, the rotation guide of the rod body, according to the role of the rod body rotation of the connecting rod 22, realizes the limit between the first access base 21, and then according to the assembly of the side wall cover 23 at both ends, it is used for the pipe connection of the valve body 12 of the butterfly valve delivery pipeline, according to the sleeve function of the valve sleeve 11, it is used to combine the sealing of the valve bodies 12 at both ends, open the liquid and block the port;

[0055] Step 3: Automated operation as a butterfly valve;

[0056] What is needed is the coordinated control of the coordination control seat 38 and the power-on of the forward and reverse motor 37. During the power-on stage, one end of the transmission rod 35 is further controlled to autonomously coordinate and complete the power coordinated rotation, and the rotation can drive the rotation of the conical teeth 34 at the lower end. After the rotation of the conical teeth 34, the worm 32 used as the edge side wall rotates. While rotating, the rotation of the connecting rod 22 is better completed. At this time, the user realizes the articulation of the annular sleeve 44 according to the corresponding end position; during this period, the worm 32 will be uniformly engaged by the conical teeth 34, and the worm 32 will be uniformly controlled to be coordinated and controlled according to the power-on of the corresponding forward and reverse motor 37.

[0057] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention.

Claims

1. A butterfly valve suitable for opening under high pressure, comprising a valve body mechanism (1) for opening by toggling an embedded valve core, characterized in that: The valve body mechanism (1) includes a valve sleeve (11) for external protection, the interior of the valve sleeve (11) is hollow, and the two end surfaces of the valve sleeve (11) are both covered with a valve body (12), the surface of the valve body (12) is provided with a concave groove (13), and the two end surfaces of the groove position of the concave groove (13) are provided with a pressure plate (14), and the plate end position of the pressure plate (14) is installed with a sealing gasket (15), and the two ends of the sealing gasket (15) are both fitted with a screw gasket (16), and the two ends of the screw gasket (16) are both provided with a fastening screw (17), and the end position of the fastening screw (17) is both sleeved on both sides of the sealing gasket (15), and the edge side wall of the valve body (12) is limited by a driving mechanism (2).

2. A butterfly valve suitable for opening under high pressure according to claim 1, characterized in that: The side wall of the driving mechanism (2) is installed with a first access base (21), the end side wall of the first access base (21) is transversely installed with a connecting rod (22), the other end of the connecting rod (22) is transversely transmitted with a side wall cover (23), the middle part of the cover end of the side wall cover (23) is provided with a first conical base (24), the end of the first conical base (24) is installed with a first sealing ring (25), and the cover connection end of the first sealing ring (25) is sleeved with a scheduling screw (26) for limiting.

3. A butterfly valve suitable for opening under high pressure according to claim 2, characterized in that: A serial opening (27) is provided in the middle of the first sealing ring (25), a right shaft (28) is transversely serially provided in the middle of the serial opening (27), a spacer (29) is sleeved in the axial middle of the right shaft (28), a second sealing ring (291) is provided at the end of the right shaft (28), and the sleeve end of the second sealing ring (291) is inserted into the end of the right shaft (28) provided in the middle.

4. A butterfly valve suitable for opening under high pressure according to claim 3, characterized in that: An actuator (3) is installed at the end of the first sealing ring (25), and the actuator (3) includes an opening (31) arranged in the middle of the end of the first sealing ring (25), a worm (32) is installed transversely in the middle of the end of the opening (31), and an actuator (33) is connected to the outer cover of the rod body of the worm (32).

5. A butterfly valve suitable for opening under high pressure according to claim 4, characterized in that: The end side wall of the worm (32) is also provided with a conical tooth (34), the gear top of the conical tooth (34) is also vertically provided with a transmission rod (35), the middle part of the top end of the transmission rod (35) is vertically provided with a conical top cover (36), and the middle part of the top end of the cover body of the conical top cover (36) is vertically provided with a forward and reverse motor (37).

6. A butterfly valve suitable for opening under high pressure according to claim 5, characterized in that: A coordination control seat (38) for scheduling is installed on the top side of the forward and reverse motor (37), and an electric meter (39) is provided in the middle of the top of the coordination control seat (38); A terminal actuator (4) is laterally mounted in the middle of the end of the actuator (33).

7. A butterfly valve suitable for opening under high pressure according to claim 6, characterized in that: The end actuator (4) includes a sleeve (41) installed at the end position of the actuator (33), one end of the sleeve (41) is installed with a first annular sleeve (42), the outer side wall of the end of the first annular sleeve (42) is sleeved with a fitting ring (43), the middle part of the fitting ring (43) is installed with an annular sleeve (44), the middle part of the bottom end of the annular sleeve (44) is vertically provided with a second conical base (45), the interior of the second conical base (45) is embedded with a blocking cover (46), one end of the cover body of the blocking cover (46) is transversely embedded with a sealing groove (47), and both ends of the groove position of the sealing groove (47) are sleeved with sealing rubber rings (48).

8. A butterfly valve suitable for opening under high pressure according to claim 7, characterized in that: A second annular sleeve (49) is installed at one end of the sealing rubber ring (48), and a second access base (491) is installed at both upper and lower ends of the second annular sleeve (49). A fastening bolt (492) is installed at the middle of the top of the second access base (491). The upper and lower ends are respectively arranged to transmit to the second annular sleeve (49). The other end of the second annular sleeve (49) is respectively connected to the outer linkage roller (493), and the end of the linkage roller (493) is arranged to be adjusted with the inner wall of the externally connected toggle support rod (494).

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