Hydrogenation valve with emergency cut-off function

Abstract

The invention discloses a hydrogenation valve with an emergency cut-off function, and belongs to the technical field of hydrogenation ball valves. The two transverse pipes are fixedly installed at the two ends of the spherical shell. The top of the spherical shell is fixedly connected with a straight cylinder; the top of the straight cylinder is fixedly connected with a top plate through bolts; the straight cylinder is connected with a valve element assembly used for adjusting flow and emergency cut-off. The valve element assembly comprises a self-locking type driving assembly, an adjustable connecting assembly, an elastic reset assembly, a closing and locking assembly and a valve element assembly, the self-locking type driving assembly is rotationally connected with the straight barrel, the bottom of the self-locking type driving assembly is movably connected with the adjustable connecting assembly, and the adjustable connecting assembly is fixedly connected with the straight barrel; the adjustable connecting assembly is in attached sliding connection with the top of the valve element assembly, the valve element assembly is in attached sliding connection with the inner wall of the spherical shell, and the valve element assembly is fixedly connected with the elastic reset assembly. Emergency cut-off of the hydrogenation valve is achieved, and stability after cut-off is guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of hydrogenation ball valves, in particular to a hydrogenation valve with emergency shutdown function. BACKGROUND

[0002] The hydrogenation ball valve is a valve device commonly used in hydrogenation processes.

[0003] CN220249112U is a kind of hydrogenation ball valve, belongs to hydrogenation ball valve technical field. Mainly include, operating handle;The operating handle is installed on valve core, operating handle is used to rotate valve core, to control the opening and closing of hydrogenation ball valve, operating handle is provided with limit hole, and the end of limit hole near valve seat is provided with recess;Grip lever, the grip lever is divided into the column body that penetrates limit hole and the holding part that is convenient for staff to hold, the column body penetrates limit hole and forms limit part, and limit part is matched with recess;Spring, the spring is installed between limit hole and column body;Wherein: limit part is suitable for being clamped into recess under the action of spring, so that holding part protrudes the outer ring of operating handle, to form power assist when staff rotates operating handle. The hydrogenation ball valve of the present application solves the problem that after hydrogenation of the ball valve, the staff needs to overcome the resistance of high pressure when opening the ball valve again, and the task of opening the ball valve becomes extremely difficult.

[0004] However, the above structure cannot be automatically cut off when emergency cut-off is required.

[0005] Based on this, the present application designs a hydrogenation valve with emergency shutdown function to solve the above problems. SUMMARY

[0006] In view of the above-mentioned shortcomings of the prior art, the present application provides a hydrogenation valve with emergency shutdown function.

[0007] To achieve the above purpose, the present application is realized by the following technical scheme:

[0008] A hydrogenation valve with emergency shutdown function, comprising a cross pipe and a spherical shell;

[0009] Two groups of cross pipes are fixedly installed at both ends of the spherical shell;

[0010] The spherical shell top is fixedly connected with a straight cylinder in communication;

[0011] The straight cylinder top is fixedly connected with a top plate by bolts;

[0012] The straight cylinder is connected with a valve core assembly for adjusting flow and emergency shutdown;

[0013] The valve core assembly comprises a self-locking driving assembly, an adjusting connecting assembly, an elastic reset assembly, a closing locking assembly and a valve core assembly, the self-locking driving assembly is rotationally connected with the straight cylinder, the bottom of the self-locking driving assembly is movably connected with the adjusting connecting assembly, the adjusting connecting assembly is fixedly connected with the straight cylinder, the adjusting connecting assembly is slidably connected with the top of the valve core assembly, the valve core assembly is slidably connected with the inner wall of the spherical shell, the valve core assembly is fixedly connected with the elastic reset assembly, the elastic reset assembly is fixedly connected with the inner bottom of the straight cylinder, the closing locking assembly is fixedly connected with the valve core assembly, and the closing locking assembly is fixedly connected with the straight cylinder and the adjusting connecting assembly.

[0014] Further, the self-locking driving assembly comprises a rotating nut, a first horizontal shaft, a first straight shaft, a worm and a worm wheel, the straight cylinder is rotationally connected with the first horizontal shaft through a sealing bearing, the outer end of the first horizontal shaft is fixedly connected with the rotating nut, the worm is fixedly installed on the part of the first horizontal shaft located in the straight cylinder, the worm is meshingly connected with the worm wheel, the first straight shaft is fixedly installed in the mounting hole of the worm wheel, the upper end of the first straight shaft is rotationally connected with the bearing mounted on the top plate, and the bottom of the first straight shaft is movably connected with the adjusting connecting assembly.

[0015] Further, the valve core assembly comprises a ball valve core and a second straight shaft, the inner bottom of the straight cylinder is rotationally connected with the second straight shaft through a limiting ring, the ball valve core is fixedly installed at the bottom of the second straight shaft, the outer wall of the ball valve core is slidably connected with the inner wall of the spherical shell, and the top of the second straight shaft is movably connected with the adjusting connecting assembly.

[0016] Further, the adjusting connecting assembly comprises a mounting seat, a push-pull electromagnet, a horizontal plate and a polygonal plug, the bottom of the first straight shaft and the top of the second straight shaft are both provided with polygonal insertion spaces, the mounting seat is fixedly installed on the inner wall of the straight cylinder, the bottom of the mounting seat is fixedly connected with the top of the push-pull electromagnet, the driving end of the push-pull electromagnet is fixedly connected with the horizontal plate, the horizontal plate is rotationally connected with the polygonal plug through a bearing, the upper and lower ends of the polygonal plug are slidably connected with the polygonal insertion spaces respectively, when the push-pull electromagnet is energized and elongated, the bottom of the polygonal plug is in contact with the inner bottom of the polygonal insertion space of the second straight shaft, and the top of the polygonal plug is located at the middle part of the polygonal insertion space of the first straight shaft, when the push-pull electromagnet is de-energized and retracted, the bottom of the polygonal plug is separated from the top of the polygonal insertion space of the second straight shaft, and the top of the polygonal plug is in contact with the inner top of the polygonal insertion space of the first straight shaft, and the horizontal plate is fixedly connected with the closing locking assembly.

[0017] Further, the elastic reset assembly comprises a volute spring, the inner end of the volute spring is fixedly connected with the outer wall of the first straight shaft, and the outer end of the volute spring is fixedly connected with the inner wall of the straight cylinder.

[0018] Further, the closing locking assembly comprises a rotating block, a blocking block, a guide assembly, an elastic blocking assembly and a bidirectional linkage assembly, the rotating block is fixedly installed on the second straight shaft outer wall, the blocking block is fixedly installed on the straight cylinder inner wall, the rotating block and the blocking block are in contact when the valve core is in the closed state, the bidirectional linkage assembly is fixedly connected with the elastic blocking assembly and the horizontal plate, the elastic blocking assembly is fixedly connected with the guide assembly, the guide assembly is fixedly connected with the straight cylinder inner wall, the elastic blocking assembly is located at the uppermost end when the push-pull electromagnet is energized and elongated, the elastic blocking assembly is located at the lowermost end when the push-pull electromagnet is de-energized and retracted, and the bottom of the elastic blocking assembly is lower than the top of the rotating block.

[0019] Further, the guide assembly comprises a sliding block and a guide rail, the guide rail is fixedly installed on the straight cylinder inner wall, the guide rail is limitingly and slidably connected with the sliding block, and the sliding block is fixedly connected with the elastic blocking assembly.

[0020] Further, the elastic blocking assembly comprises a wedge block, a spring and a connecting cylinder, the connecting cylinder is fixedly connected with the sliding block side wall, the top of the connecting cylinder is fixedly connected with the top of the spring, the bottom of the spring is fixedly connected with the top of the wedge block, the wedge block is slidably connected with the inner wall of the connecting cylinder, and the inclined surface of the wedge block is first contacted with the rotating block when the rotating block is rotated towards the blocking block.

[0021] Further, the bidirectional linkage assembly comprises a second horizontal shaft, a gear ring, a first gear rack and a second gear rack, the outer wall of the end portion of the horizontal plate is fixedly connected with the second gear rack, the first gear rack is fixedly installed on the side wall of the connecting cylinder, the first gear rack and the second gear rack are symmetrically arranged on the two sides of the gear ring, the first gear rack and the second gear rack are meshingly connected with the second gear rack, and the second horizontal shaft is fixedly installed in the mounting hole of the gear ring and is rotatably connected with the straight cylinder through a bearing.

[0022] Beneficial effects: when the flow is adjusted, the adjusting type connecting assembly of the valve core assembly is connected with the self-locking type driving assembly and the valve core assembly, the adjusting type connecting assembly drives the closing locking assembly to be adjusted to the unlocking state, the self-locking type driving assembly drives the adjusting type connecting assembly to rotate, the adjusting type connecting assembly drives the valve core assembly to rotate, the valve core assembly is rotated to the conduction state, the elastic reset assembly is in the compressed state, the hydrogen valve is opened, when emergency shutdown is needed, the adjusting type connecting assembly is separated from the valve core assembly, the adjusting type connecting assembly drives the closing locking assembly to be adjusted to the lockable state, the restoring force of the elastic reset assembly drives the valve core assembly to rotate and close, and the closing locking assembly locks the valve core assembly, so that the hydrogen valve is emergency shut down, and the stability after the shutdown is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to make the technical solutions in the embodiments of the present application or the prior art clearer, the accompanying drawings needed in the embodiments or prior art description will be briefly introduced. Obviously, the accompanying drawings in the following description only show some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without any creative effort.

[0024] Figure 1 A hydrogen valve with emergency cut-off function Figure 1 ;

[0025] Figure 2 A hydrogen valve with emergency cut-off function

[0026] Figure 3 A hydrogen valve with emergency cut-off function

[0027] Figure 4 A sectional view along the A-A direction of Figure 2 ;

[0028] Figure 5 A sectional view along the B-B direction of Figure 3 ;

[0029] Figure 6 A sectional view along the C-C direction of Figure 3 ;

[0030] Figure 7 A structure enlarged schematic view at D of Figure 4 ;

[0031] The reference numerals in the drawings respectively represent:

[0032] 1. cross pipe 2. spherical shell 3. indicating assembly 31. pointer 32. scale line 4. straight cylinder 5. top plate 6. valve core assembly 61. rotating nut 62. first cross shaft 63. ball valve 64. first straight shaft 65. worm 66. worm wheel 67. rotating block 68. scroll spring 69. second straight shaft 610. mounting seat 611. push-pull electromagnet 612. cross plate 613. polygonal insertion space 614. polygonal insertion block 615. second cross shaft 616. gear ring 617. stop block 618. wedge block 619. spring 620. first rack 621. sliding block 622. guide rail 623. second rack 624. connecting cylinder. DETAILED DESCRIPTION

[0033] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the protection scope of the present application.

[0034] The present application will be further described below with reference to the embodiments.

[0035] Embodiment one, please refer to Figures 1-7 A hydrogen valve with emergency cut-off function, comprising a cross pipe 1 and a spherical shell 2;

[0036] Two groups of cross pipes 1 are fixedly installed at two ends of the spherical shell 2;

[0037] A straight cylinder 4 is fixedly connected in communication at the top of the spherical shell 2;

[0038] A top plate 5 is fixedly connected at the top of the straight cylinder 4 by bolts;

[0039] The straight cylinder 4 is connected with a valve core assembly 6 for adjusting flow and emergency cut-off;

[0040] The valve core assembly 6 comprises a self-locking driving assembly, an adjusting connecting assembly, an elastic reset assembly, a closing locking assembly and a valve core assembly. The self-locking driving assembly is rotationally connected with the straight cylinder 4. The bottom of the self-locking driving assembly is movably connected with the adjusting connecting assembly. The adjusting connecting assembly is fixedly connected with the straight cylinder 4. The adjusting connecting assembly is slidably connected with the top of the valve core assembly. The valve core assembly is slidably connected with the inner wall of the spherical shell 2. The valve core assembly is fixedly connected with the elastic reset assembly. The elastic reset assembly is fixedly connected with the inner bottom of the straight cylinder 4. The closing locking assembly is fixedly connected with the valve core assembly. The closing locking assembly is fixedly connected with the straight cylinder 4 and the adjusting connecting assembly;

[0041] When adjusting flow, the adjusting connecting assembly of the valve core assembly 6 is connected with the self-locking driving assembly and the valve core assembly. The adjusting connecting assembly drives the closing locking assembly to adjust to an unlocking state. The self-locking driving assembly drives the adjusting connecting assembly to rotate. The adjusting connecting assembly drives the valve core assembly to rotate. The valve core assembly rotates to a conducting state. The elastic reset assembly is in a compressed state. The hydrogen valve is opened by rotation. When emergency cut-off is needed, the adjusting connecting assembly is separated from the valve core assembly. The adjusting connecting assembly drives the closing locking assembly to adjust to a lockable state. The restoring force of the elastic reset assembly drives the valve core assembly to rotate to close. The closing locking assembly locks the valve core assembly. The hydrogen valve is cut off in emergency. The stability after cut-off is ensured.

[0042] The self-locking driving assembly comprises a rotating nut 61, a first horizontal shaft 62, a first vertical shaft 64, a worm 65 and a worm wheel 66. The straight cylinder 4 is rotatably connected with the first horizontal shaft 62 through a sealing bearing, and the outer end of the first horizontal shaft 62 is fixedly connected with the rotating nut 61. The worm 65 is fixedly installed on the part of the first horizontal shaft 62 located in the straight cylinder 4, and the worm 65 is in meshing connection with the worm wheel 66. The first vertical shaft 64 is fixedly installed in the mounting hole of the worm wheel 66, and the upper end of the first vertical shaft 64 is rotatably connected with the bearing installed on the top plate 5. The bottom of the first vertical shaft 64 is movably connected with the adjustable connecting assembly;

[0043] The worm 65 and the worm wheel 66 can realize self-locking.

[0044] When the flow is adjusted, the adjustable connecting assembly of the valve core assembly 6 is connected with the first vertical shaft 64 of the self-locking driving assembly and the valve core assembly. The rotating nut 61 of the self-locking driving assembly is rotated, the rotating nut 61 drives the first horizontal shaft 62 to rotate, the first horizontal shaft 62 drives the worm 65 to rotate, the worm 65 drives the worm wheel 66 to rotate, the worm wheel 66 drives the first vertical shaft 64 to rotate, the first vertical shaft 64 drives the adjustable connecting assembly to rotate, the adjustable connecting assembly drives the valve core assembly to rotate, the valve core assembly is opened, and the hydrogen valve is rotated and opened.

[0045] The valve core assembly comprises a ball valve core 63 and a second vertical shaft 69. The bottom of the straight cylinder 4 is rotatably connected with the second vertical shaft 69 through a limiting ring. The ball valve core 63 is fixedly installed at the bottom of the second vertical shaft 69, and the outer wall of the ball valve core 63 is slidably connected with the inner wall of the spherical shell 2. The top of the second vertical shaft 69 is movably connected with the adjustable connecting assembly.

[0046] The first vertical shaft 64 drives the adjustable connecting assembly to rotate, the adjustable connecting assembly drives the second vertical shaft 69 of the valve core assembly to rotate, the second vertical shaft 69 drives the ball valve core 63 to rotate, the ball valve core 63 is opened, and the hydrogen valve is rotated and opened.

[0047] The limiting ring is sealingly connected with the second vertical shaft 69 through a sealing ring. The part where the top of the spherical shell 2 is rotatably connected with the second vertical shaft 69 is sealingly connected with the second vertical shaft 69 through a bearing. The elastic reset assembly is fixedly connected with the first vertical shaft 64.

[0048] The adjustable connecting assembly comprises a mounting seat 610, a push-pull electromagnet 611, a horizontal plate 612 and a polygonal plug 614. The bottom of the first straight shaft 64 and the top of the second straight shaft 69 are provided with polygonal insertion spaces 613. The mounting seat 610 is fixedly installed on the inner wall of the straight cylinder 4. The bottom of the mounting seat 610 is fixedly connected with the top of the push-pull electromagnet 611. The driving end of the push-pull electromagnet 611 is fixedly connected with the horizontal plate 612. The horizontal plate 612 is rotatably connected with the polygonal plug 614 through a bearing. The upper and lower ends of the polygonal plug 614 are slidably connected with the polygonal insertion spaces 613 respectively. When the push-pull electromagnet 611 is energized and elongated, the bottom of the polygonal plug 614 is in contact with the inner bottom of the polygonal insertion space 613 of the second straight shaft 69, and the top of the polygonal plug 614 is at the middle part of the polygonal insertion space 613 of the first straight shaft 64. When the push-pull electromagnet 611 is de-energized and retracted, the bottom of the polygonal plug 614 is separated from the top of the polygonal insertion space 613 of the second straight shaft 69, and the top of the polygonal plug 614 is in contact with the inner top of the polygonal insertion space 613 of the first straight shaft 64. The horizontal plate 612 is fixedly connected with the closing and locking assembly.

[0049] When the flow is adjusted, the push-pull electromagnet 611 of the adjustable connecting assembly of the valve core assembly 6 is energized. The push-pull electromagnet 611 is elongated. The push-pull electromagnet 611 drives the horizontal plate 612 to move. The horizontal plate 612 drives the polygonal plug 614 to be connected with the first straight shaft 64 of the self-locking driving assembly and the second straight shaft 69 of the valve core assembly. The horizontal plate 612 of the adjustable connecting assembly drives the closing and locking assembly to be adjusted to an unlocked state. The rotating nut 61 of the self-locking driving assembly is rotated. The rotating nut 61 drives the first horizontal shaft 62 to rotate. The first horizontal shaft 62 drives the worm 65 to rotate. The worm 65 drives the worm wheel 66 to rotate. The worm wheel 66 drives the first straight shaft 64 to rotate. The first straight shaft 64 drives the polygonal plug 614 of the adjustable connecting assembly to rotate. The polygonal plug 614 of the adjustable connecting assembly drives the second straight shaft 69 of the valve core assembly to rotate. The second straight shaft 69 drives the ball valve core 63 to rotate. The ball valve core 63 is opened. The elastic reset assembly is in a compressed state. The hydrogen valve is opened by rotation.

[0050] When emergency shutdown is needed, the push-pull electromagnet 611 of the adjustable connecting assembly is de-energized. The push-pull electromagnet 611 drives the horizontal plate 612 to move upwards. The horizontal plate 612 drives the polygonal plug 614 to be separated from the second straight shaft 69. The horizontal plate 612 of the adjustable connecting assembly drives the closing and locking assembly to be adjusted to a lockable state. The restoring force of the elastic reset assembly drives the second straight shaft 69 of the valve core assembly to rotate. The second straight shaft 69 drives the ball valve core 63 to rotate. The ball valve core 63 is closed. The closing and locking assembly locks the second straight shaft 69 of the valve core assembly. The hydrogen valve is shut down in an emergency. The stability after shutdown is ensured.

[0051] The elastic reset assembly comprises a volute spring 68, the inner end of the volute spring 68 is fixedly connected with the outer wall of the first straight shaft 64, and the outer end of the volute spring 68 is fixedly connected with the inner wall of the straight cylinder 4.

[0052] When the flow is adjusted, the second straight shaft 69 rotates to drive the volute spring 68 to be tensioned and contracted to generate elastic restoring force; when emergency shutdown is required, the polygonal plug block 614 is separated from the second straight shaft 69, the volute spring 68 with elastic restoring force drives the second straight shaft 69 to rotate back, the second straight shaft 69 drives the ball valve spool 63 to rotate, and the ball valve spool 63 rotates to be closed.

[0053] The closing locking assembly comprises a rotating block 67, a blocking block 617, a guide assembly, an elastic blocking assembly and a bidirectional linkage assembly, the rotating block 67 is fixedly installed on the outer wall of the second straight shaft 69, the blocking block 617 is fixedly installed on the inner wall of the straight cylinder 4, the rotating block 67 and the blocking block 617 are in contact when the ball valve spool 63 is in the closed state, the bidirectional linkage assembly is fixedly connected with the elastic blocking assembly and the horizontal plate 612, the elastic blocking assembly is fixedly connected with the guide assembly, the guide assembly is fixedly connected with the inner wall of the straight cylinder 4, the elastic blocking assembly is located at the uppermost end when the push-pull electromagnet 611 is energized to be elongated, the elastic blocking assembly is located at the lowermost end when the push-pull electromagnet 611 is de-energized to be retracted, and the bottom of the elastic blocking assembly is lower than the top of the rotating block 67.

[0054] When the flow is adjusted, the push-pull electromagnet 611 of the adjusting type connecting assembly of the spool assembly 6 is energized, the push-pull electromagnet 611 is elongated, the push-pull electromagnet 611 drives the horizontal plate 612 to move, the horizontal plate 612 drives the polygonal plug block 614 to be connected with the first straight shaft 64 of the self-locking type driving assembly and the second straight shaft 69 of the spool assembly, and the horizontal plate 612 of the adjusting type connecting assembly drives the bidirectional linkage assembly of the closing locking assembly to move, the bidirectional linkage assembly drives the elastic blocking assembly to move upward under the action of the guide assembly, the elastic blocking assembly is adjusted to be in the unlocking state, the bottom of the elastic blocking assembly is higher than the top of the rotating block 67, the rotating nut 61 of the self-locking type driving assembly is rotated, the rotating nut 61 drives the first horizontal shaft 62 to rotate, the first horizontal shaft 62 drives the worm 65 to rotate, the worm 65 drives the worm wheel 66 to rotate, the worm wheel 66 drives the first straight shaft 64 to rotate, the first straight shaft 64 drives the polygonal plug block 614 of the adjusting type connecting assembly to rotate, the polygonal plug block 614 of the adjusting type connecting assembly drives the second straight shaft 69 of the spool assembly to rotate, the second straight shaft 69 drives the ball valve spool 63 and the rotating block 67 to rotate, the ball valve spool 63 is opened, and the elastic reset assembly is in the compressed state, so that the hydrogen valve is rotated and opened.

[0055] When the emergency shut-off is needed, the push-pull electromagnet 611 of the adjustable connecting assembly is powered off, the push-pull electromagnet 611 drives the horizontal plate 612 to move upward, the horizontal plate 612 drives the polygonal plug 614 to separate from the second straight shaft 69, the horizontal plate 612 of the adjustable connecting assembly drives the closing locking assembly to move, under the action of the guide assembly, the bidirectional linkage assembly drives the elastic prevention assembly to move downward, the elastic prevention assembly is adjusted to the lockable state, the restoring force of the elastic reset assembly drives the second straight shaft 69 of the valve core assembly to rotate, the second straight shaft 69 drives the ball valve valve core 63 to rotate, the ball valve valve core 63 is rotated to be closed, the second straight shaft 69 drives the rotating block 67 to rotate, after the rotating block 67 moves through the closing locking assembly, the closing locking assembly and the stop block 617 lock the rotating block 67, so as to lock the second straight shaft 69 of the valve core assembly, realize the emergency shut-off of the hydrogen valve, and ensure the stability after the shut-off.

[0056] The guide assembly comprises a sliding block 621 and a guide rail 622, the guide rail 622 is fixedly installed on the inner wall of the straight cylinder 4, and the guide rail 622 is in limiting sliding connection with the sliding block 621.

[0057] The elastic prevention assembly comprises a wedge block 618, a spring 619 and a connecting cylinder 624, the connecting cylinder 624 is fixedly connected with the side wall of the sliding block 621, the top of the connecting cylinder 624 is fixedly connected with the top of the spring 619, the bottom of the spring 619 is fixedly connected with the top of the wedge block 618, the wedge block 618 is in sliding connection with the inner wall of the connecting cylinder 624, and the inclined surface of the wedge block 618 is first contacted by the rotating block 67 when the rotating block 67 rotates towards the stop block 617; and the connecting cylinder 624 is fixedly connected with the bidirectional linkage assembly.

[0058] The bidirectional linkage assembly comprises a second horizontal shaft 615, a gear ring 616, a first gear rack 620 and a second gear rack 623, the end outer wall of the horizontal plate 612 is fixedly connected with the second gear rack 623, the first gear rack 620 is fixedly installed on the side wall of the connecting cylinder 624, the first gear rack 620 and the second gear rack 623 are symmetrically arranged on the two sides of the gear ring 616, and the first gear rack 620 and the second gear rack 623 are in meshing connection with the second gear rack 623, the second horizontal shaft 615 is fixedly installed in the mounting hole of the gear ring 616, and the second horizontal shaft 615 is rotatably connected with the straight cylinder 4 through a bearing.

[0059] When adjusting the flow, the push-pull electromagnet 611 of the adjustable connecting assembly of the valve core assembly 6 is powered, the push-pull electromagnet 611 is powered to elongate, the push-pull electromagnet 611 drives the horizontal plate 612 to move, the horizontal plate 612 drives the polygonal plug 614 to connect with the first straight shaft 64 of the self-locking drive assembly and the second straight shaft 69 of the valve core assembly, and the horizontal plate 612 of the adjustable connecting assembly drives the second rack 623 of the two-way linkage assembly of the closing locking assembly to move downward, the second rack 623 drives the gear ring 616 to rotate along the second horizontal shaft 615, the gear ring 616 drives the first rack 620 to move upward, the first rack 620 of the two-way linkage assembly drives the connecting barrel 624 of the elastic resistance assembly to move upward under the action of the slider 621 and the guide rail 622 of the guide assembly, the connecting barrel 624 drives the spring 619 to move upward, the spring 619 drives the wedge block 618 to move upward, the wedge block 618 is adjusted to the unlocking state, the bottom of the wedge block 618 is higher than the top of the rotating block 67, the rotating nut 61 of the self-locking drive assembly is rotated, the rotating nut 61 drives the first horizontal shaft 62 to rotate, the first horizontal shaft 62 drives the worm 65 to rotate, the worm 65 drives the worm wheel 66 to rotate, the worm wheel 66 drives the first straight shaft 64 to rotate, the first straight shaft 64 drives the polygonal plug 614 of the adjustable connecting assembly to rotate, the polygonal plug 614 of the adjustable connecting assembly drives the second straight shaft 69 of the valve core assembly to rotate, the second straight shaft 69 drives the ball valve core 63 and the rotating block 67 to rotate, the ball valve core 63 is opened, and the elastic reset assembly is in a compressed state, realizing the rotating opening of the hydrogen valve.

[0060] When the emergency shut-off is needed, the push-pull electromagnet 611 of the adjustable connecting assembly is powered off, the push-pull electromagnet 611 drives the horizontal plate 612 to move upward, the horizontal plate 612 drives the polygonal plug 614 to separate from the second straight shaft 69, the horizontal plate 612 of the adjustable connecting assembly drives the second rack 623 of the bidirectional linkage assembly to move upward, the second rack 623 drives the gear ring 616 to rotate along the second horizontal shaft 615, the gear ring 616 drives the first rack 620 to move downward, the first rack 620 of the bidirectional linkage assembly drives the connecting cylinder 624 of the elastic resistance assembly to move downward under the action of the slider 621 and the guide rail 622 of the guide assembly, the connecting cylinder 624 drives the spring 619 to move downward, the spring 619 drives the wedge block 618 to move downward, the wedge block 618 of the elastic resistance assembly is adjusted to the lockable state, the bottom wall of the wedge block 618 is lower than the top of the rotating block 67, the restoring force of the spiral spring 68 of the elastic reset assembly drives the second straight shaft 69 of the valve core assembly to rotate, the second straight shaft 69 drives the ball valve valve core 63 to rotate, the ball valve valve core 63 is rotated to be closed, the second straight shaft 69 drives the rotating block 67 to rotate, the rotating block 67 is in contact with the inclined surface of the wedge block 618 to drive the wedge block 618 to move to the connecting cylinder 624, after the rotating block 67 moves past the wedge block 618 of the closing locking assembly, the spring 619 drives the wedge block 618 to move downward, the wedge block 618 and the stop block 617 are in contact with the two side walls of the rotating block 67, the wedge block 618 and the stop block 617 lock the rotating block 67, so that the second straight shaft 69 of the valve core assembly is locked, the emergency shut-off of the hydrogen valve is realized, and the stability after the shut-off is ensured.

[0061] The first straight shaft 64 is fixedly connected with an indicating assembly 3 for opening degree indication at the top;

[0062] The indicating assembly 3 comprises a pointer 31 and a scale line 32, the pointer 31 is fixedly installed at the top of the first straight shaft 64, and the scale line 32 is fixedly installed at the top of the valve core assembly 6.

[0063] The first straight shaft 64 drives the pointer 31 of the indicating assembly 3 to rotate, the pointer 31 rotates along the scale line 32, the scale line 32 indicates the rotation angle of the pointer 31, so that the opening angle of the ball valve valve core 63 is indicated.

[0064] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit it; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A hydrogenation valve with an emergency shut-off function, comprising a horizontal pipe (1) and a ball shell (2), characterized in that: Two sets of horizontal tubes (1) are fixedly installed at both ends of the spherical shell (2); The top of the spherical shell (2) is fixedly connected to a straight cylinder (4); The top of the straight cylinder (4) is fixedly connected to a top plate (5) by bolts; The straight cylinder (4) is connected to a valve core assembly (6) for regulating flow and emergency shut-off; The valve core assembly (6) includes a self-locking drive assembly, an adjustable connection assembly, an elastic reset assembly, a closing lock assembly, and a valve core assembly. The self-locking drive assembly is rotatably connected to the straight cylinder (4). The bottom of the self-locking drive assembly is movably connected to the adjustable connection assembly. The adjustable connection assembly is fixedly connected to the straight cylinder (4). The adjustable connection assembly is slidably connected to the top of the valve core assembly. The valve core assembly is slidably connected to the inner wall of the ball shell (2). The valve core assembly is fixedly connected to the elastic reset assembly, and the elastic reset assembly is fixedly connected to the bottom of the straight cylinder (4). The closing lock assembly is fixedly connected to the valve core assembly. The closing lock assembly is fixedly connected to the straight cylinder (4) and the adjustable connection assembly.

2. The hydrogenation valve with emergency shut-off function according to claim 1, characterized in that, The self-locking drive assembly includes a rotating nut (61), a first horizontal shaft (62), a first vertical shaft (64), a worm (65), and a worm wheel (66). The straight cylinder (4) is rotatably connected to the first horizontal shaft (62) through a sealed bearing, and the outer end of the first horizontal shaft (62) is fixedly connected to the rotating nut (61). The worm (65) is fixedly installed on the part of the first horizontal shaft (62) located inside the straight cylinder (4), and the worm (65) is meshed with the worm wheel (66). The first vertical shaft (64) is fixedly installed in the mounting hole of the worm wheel (66). The upper end of the first vertical shaft (64) is rotatably connected to the bearing installed on the top plate (5), and the bottom of the first vertical shaft (64) is movably connected to the adjustable connection assembly.

3. The hydrogenation valve with emergency shut-off function according to claim 2, characterized in that, The valve core assembly includes a ball valve core (63) and a second straight shaft (69). The bottom of the inner cylinder (4) is rotatably connected to the second straight shaft (69) through a limiting ring. The ball valve core (63) is fixedly installed at the bottom of the second straight shaft (69), and the outer wall of the ball valve core (63) is slidably connected to the inner wall of the ball shell (2). The top of the second straight shaft (69) is movably connected to the adjustable connection assembly.

4. The hydrogenation valve with emergency shut-off function according to claim 3, characterized in that, The adjustable connection assembly includes a mounting base (610), a push-pull electromagnet (611), a horizontal plate (612), and a polygonal insert (614). Polygonal inserts (613) are provided at the bottom of the first straight shaft (64) and the top of the second straight shaft (69). The mounting base (610) is fixedly installed on the inner wall of the straight cylinder (4). The bottom of the mounting base (610) is fixedly connected to the top of the push-pull electromagnet (611). The driving end of the push-pull electromagnet (611) is fixedly connected to the horizontal plate (612). The horizontal plate (612) is rotatably connected to the polygonal insert (614) via bearings. The upper and lower ends of the polygonal insert (614) are respectively connected to the polygonal inserts (613). 613) When the push-pull electromagnet (611) is energized and extends, the bottom of the polygonal plug (614) is in contact with the bottom of the polygonal socket (613) of the second straight shaft (69), and the top of the polygonal plug (614) is in contact with the middle of the polygonal socket (613) of the first straight shaft (64). When the push-pull electromagnet (611) is de-energized and retracted, the bottom of the polygonal plug (614) is separated from the top of the polygonal socket (613) of the second straight shaft (69), and the top of the polygonal plug (614) is in contact with the top of the polygonal socket (613) of the first straight shaft (64). The horizontal plate (612) is fixedly connected to the closing and locking assembly.

5. The hydrogenation valve with emergency shut-off function according to claim 4, characterized in that, The elastic reset assembly includes a spiral spring (68), the inner end of which is fixedly connected to the outer wall of the first straight shaft (64), and the outer end of which is fixedly connected to the inner wall of the straight cylinder (4).

6. The hydrogenation valve with emergency shut-off function according to any one of claims 4-5, characterized in that, The closing and locking assembly includes a rotating block (67), a stop block (617), a guide assembly, an elastic blocking assembly, and a bidirectional linkage assembly. The rotating block (67) is fixedly installed on the outer wall of the second straight shaft (69), and the stop block (617) is fixedly installed on the inner wall of the straight cylinder (4). When the ball valve core (63) is in the closed state, the rotating block (67) and the stop block (617) are in close contact. The bidirectional linkage assembly is fixedly connected to the elastic blocking assembly and the horizontal plate (612). The elastic blocking assembly is fixedly connected to the guide assembly, and the guide assembly is fixedly connected to the inner wall of the straight cylinder (4). When the push-pull electromagnet (611) is energized and extends, the elastic blocking assembly is located at the uppermost end. When the push-pull electromagnet (611) is de-energized and retracts, the elastic blocking assembly is located at the lowermost end, and the bottom of the elastic blocking assembly is lower than the top of the rotating block (67).

7. The hydrogenation valve with emergency shut-off function according to claim 6, characterized in that, The guide assembly includes a slider (621) and a guide rail (622). The guide rail (622) is fixedly installed on the inner wall of the straight cylinder (4). The guide rail (622) and the slider (621) are connected in a limiting sliding connection. The slider (621) is fixedly connected to the elastic blocking component.

8. The hydrogenation valve with emergency shut-off function according to claim 7, characterized in that, The elastic blocking assembly includes a wedge block (618), a spring (619), and a connecting cylinder (624). The connecting cylinder (624) is fixedly connected to the side wall of the slider (621). The top of the inner wall of the connecting cylinder (624) is fixedly connected to the top of the spring (619). The bottom of the spring (619) is fixedly connected to the top of the wedge block (618). The wedge block (618) is slidably connected to the inner wall of the connecting cylinder (624). When the rotating block (67) rotates toward the stop block (617), the inclined surface of the rotating block (67) and the wedge block (618) contacts first. The connecting cylinder (624) is fixedly connected to the bidirectional linkage assembly.

9. The hydrogenation valve with emergency shut-off function according to claim 8, characterized in that, The bidirectional linkage assembly includes a second horizontal shaft (615), a gear ring (616), a first rack (620), and a second rack (623). The outer wall of the end of the horizontal plate (612) is fixedly connected to the second rack (623). The first rack (620) is fixedly installed on the side wall of the connecting cylinder (624). The first rack (620) and the second rack (623) are symmetrically arranged on both sides of the gear ring (616), and the first rack (620) and the second rack (623) are meshed with each other. The second horizontal shaft (615) is fixedly installed in the mounting hole of the gear ring (616), and the second horizontal shaft (615) is rotatably connected to the straight cylinder (4) through a bearing.

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