Electro-hydraulic air locking gate valve

Abstract

The utility model belongs to the technical field of electro-hydraulic air locking gate valves, and particularly discloses an electro-hydraulic air locking gate valve which comprises a valve body, a groove is formed in the top of the valve body, two bottom blocks are connected into the groove formed in the top of the valve body in a sliding mode, an oil cylinder is fixedly connected to the top of the bottom block on the left side, and an oil cylinder is fixedly connected to the top of the bottom block on the right side. The top of the bottom block on the right side is fixedly connected with a fixing column, an inserting groove communicating with the interior of the groove is formed in the valve body, an inserting plate is slidably connected to the interior of the valve body, two second fixing blocks are fixedly connected to one side of the inserting plate, and first sliding grooves are formed in the bottom blocks. The first fixing block is arranged at the bottom of the long rod and the bottom of the transmission column, and the second fixing block is arranged on one side of the insertion plate, so that a manual device can be immediately started under the condition of power failure or manual operation of the device, normal running and operation of the device are ensured, and the reliability and flexibility of the device are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electro -hydraulic lock gas plug -in board valve technical field, concretely is a kind of electro -hydraulic lock gas plug -in board valve. BACKGROUND

[0002] Electro -hydraulic lock gas plug -in board valve is mainly used in gas pipeline transportation, and plays the role of opening or closing transportation passage.

[0003] Through the search, the existing Chinese patent announcement No. CN209385692U provides including main body, the top of the main body is equipped with oil cylinder, the inside of the main body is equipped with strip cavity, the cavity is equipped with plug-in board, the plug-in board is connected with the piston rod of oil cylinder, the lower part of the main body is equipped with through hole on both sides, one side of the upper part of the main body is equipped with manhole, the manhole and one of the through holes are located on the same side of the main body, the inner diameter of the manhole is greater than the inner diameter of the through hole, the area of the plug-in board is greater than the area of the through hole, the electro -hydraulic lock gas plug -in board valve structure is simple, and the design is ingenious, and the manufacturing cost is low, the convenient replacement of sealing ring is realized using manhole, meanwhile, the misplacement extrusion assembly is used to realize the extrusion of plug-in board, so that the plug-in board and the through hole maintain good sealing property, meanwhile, when the plug-in board seals the through hole, the end of the plug-in board can also effectively shovel the impurities on the inner wall of the edge of the through hole, improve sealing effect, and have great market application prospect.

[0004] Although the above-mentioned patent can control the sealing of plug-in valve hole by electro-hydraulic device, the electro-hydraulic device still has the following problems: when power failure occurs during use of the device, the valve may not be normally opened or closed, resulting in uncontrolled flow of fluid medium in the system, and power failure may cause the valve to be in an abnormal position (such as half open or half closed), which damages the sealing performance, causes material leakage or gas escape, and causes safety hazards. In view of the above situation, technical innovation is carried out on the basis of the existing device. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of electro -hydraulic lock gas plug -in board valve to solve the problem that valve can not be normally opened or closed when power failure occurs in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of electro -hydraulic lock gas plug -in board valve, including valve body, recess is set in the top of the valve body, the inside of the top of the valve body is set in recess and is slidably connected with two bottom blocks, the top of the left side bottom block is fixedly connected with oil cylinder, the top of the right side bottom block is fixedly connected with fixed column, the inside of the valve body is set with the insertion slot that is communicated with the inside of recess, the inside of the valve body is slidably connected with plug-in board, one side of the plug-in board is fixedly connected with two second fixed blocks.

[0007] Preferably, the inside of the bottom block is provided with a first sliding slot, two first sliding blocks are slidably connected in the first sliding slot, the surfaces of the two first sliding blocks are slidably connected with the inside of the insertion slot, a sliding rod is slidably connected in the first sliding block, and a first spring is fixedly connected between the two first sliding blocks and sleeved on the sliding rod.

[0008] Preferably, the output end of the oil cylinder is fixedly connected with a long rod, and the bottom of the long rod is fixedly connected with a first fixing block.

[0009] Preferably, the inside of the second fixing block is provided with a trapezoidal slot, and the inside of the trapezoidal slot is slidably connected with the surface of the first fixing block.

[0010] Preferably, the inside of the second fixing block is provided with a second sliding slot, a second sliding block is slidably connected in the second sliding slot, and the surface of the second sliding block is inserted into the inside of the through hole.

[0011] Preferably, a gear is rotatably connected in the second sliding slot, a rotating column is fixedly connected to the top of the gear, and one end of the rotating column penetrates through the inside of the second fixing block and extends to the outside of the second fixing block.

[0012] Preferably, the side, close to the gear, of the second sliding block is provided with a tooth, the second sliding block is meshingly connected with the surface of the gear through the tooth, a second spring is fixedly connected to the inner wall of the second sliding slot, and the side, close to the second sliding block, of the second spring is fixedly connected with the surface of the second sliding block.

[0013] Preferably, a threaded rod is rotatably connected in the inside of the fixing column, a handle is fixedly connected to the top end of the threaded rod, a third sliding slot is formed in the inside of the fixing column, a transmission column is slidably connected in the third sliding slot, a first fixing block is also fixedly connected to the bottom of the transmission column, and the inside of the transmission column is threadedly connected with the surface of the threaded rod.

[0014] Compared with the prior art, the electric-hydraulic lock gas plug-in valve has the following beneficial effects:

[0015] 1. The electric-hydraulic lock gas plug-in valve is provided with a first fixing block at the bottom of the long rod and the transmission column and a second fixing block at one side of the plug-in plate, so that the manual device can be immediately used in the case of power failure or manual operation, the normal operation and operation of the equipment are ensured, and the reliability and flexibility of the equipment are improved.

[0016] 2. The electric-hydraulic lock gas plug-in valve is provided with a bottom block at the bottom of the oil cylinder and the fixing column, and the inside of the bottom block 5 is provided with a first sliding block 7, so that the maintenance personnel can disassemble the electric-hydraulic device and the manual device, necessary maintenance and repair are performed, the maintenance time is shortened, and the maintenance cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure schematic view of the electro-hydraulic lock gas plug-in valve of the utility model;

[0018] Figure 2 It is a structure schematic view of the first sliding groove of the utility model;

[0019] Figure 3 It is a structure schematic view of the second sliding groove of the utility model;

[0020] Figure 4 It is a structure schematic view of the fixed column of the utility model;

[0021] Figure 5 It is a structure schematic view of the utility model Figure 4 It is an enlarged structure schematic view of A.

[0022] In the drawing: 1, valve body; 2, oil cylinder; 3, fixed column; 4, handle; 5, bottom block; 6, plug-in slot; 7, first sliding block; 8, first sliding groove; 9, sliding rod; 10, first spring; 11, plug-in plate; 12, first fixed block; 13, trapezoidal slot; 14, through hole; 15, second sliding groove; 16, second sliding block; 17, gear; 18, rotating column; 19, second spring; 20, third sliding groove; 21, threaded rod; 22, transmission column; 23, long rod; 24, second fixed block. DETAILED DESCRIPTION

[0023] Please refer to Figures 1-5The utility model provides technical scheme: a kind of electro-hydraulic lock gas plug-in plate valve, including valve body 1, valve body 1 is existing structure, not too much repetition here, recess is set in the top of valve body 1, two bottom blocks 5 are slidably connected in the inside recess of the top of valve body 1, the top of left side bottom block 5 is fixedly connected with oil cylinder 2, oil cylinder 2 is existing structure, not too much repetition here, the top of right side bottom block 5 is fixedly connected with fixed column 3, the internal structure of two fixed columns 3 is identical, only describe one of them here, first sliding slot 8 is set in the inside of bottom block 5, plug-in slot 6 is set in the inside of valve body 1 with recess inside communication, two first sliding blocks 7 are slidably connected in the inside of first sliding slot 8, the surface of first sliding block 7 is slidably connected with the inside of plug-in slot 6, first sliding block 7 is slidably connected with slide bar 9, slide bar 9 can position first sliding block 7, first spring 10 is fixedly connected between two first sliding blocks 7, the movement of first sliding block 7 can be guaranteed by the compression and reset of first spring 10, the output end of oil cylinder 2 is fixedly connected with long rod 23, the bottom of long rod 23 is fixedly connected with first fixed block 12, through hole 14 is set in the inside of first fixed block 12, plug-in plate 11 is slidably connected in the inside of valve body 1, one side of plug-in plate 11 is fixedly connected with two second fixed blocks 24, the internal structure of two second fixed blocks 24 is identical, only describe one of them here, trapezoidal groove 13 is set in the inside of second fixed block 24, the inside of trapezoidal groove 13 is slidably connected with the surface of first fixed block 12, second sliding slot 15 is set in the inside of second fixed block 24, second sliding block 16 is slidably connected in the inside of second sliding slot 15, the surface of second sliding block 16 is inserted with the inside of through hole 14, gear wheel 17 is rotatably connected in the inside of second sliding slot 15, the top of gear wheel 17 is fixedly connected with rotating column 18, one end of rotating column 18 penetrates the inside of second fixed block 24 and extends to the outside of second fixed block 24, the side of second sliding block 16 close to gear wheel 17 is provided with gear teeth, second sliding block 16 is engagedly connected with the surface of gear wheel 17 by gear teeth, second spring 19 is fixedly connected on the inner wall of second sliding slot 15, the side of second spring 19 close to second sliding block 16 is fixedly connected with the surface of second sliding block 16, make second sliding block 16 move by the compression and reset of second spring 19.

[0024] Further, screw rod 21 is rotatably connected in the inside of fixed column 3, the top end of screw rod 21 is fixedly connected with handle 4, third sliding slot 20 is set in the inside of fixed column 3, transmission column 22 is slidably connected in the inside of third sliding slot 20, the bottom of transmission column 22 is also fixedly connected with first fixed block (12), the inside of transmission column 22 is threadedly connected with the surface of screw rod 21.

[0025] Working principle: for this kind of electro-hydraulic lock gas plug-in plate valve first when the device power failure, by sliding the first slider 7 to the opposite direction, make the first slider 7 from the slot 6, then move the bottom block 5, bottom block 5 drive the bottom of the bottom block 5 in the top of the valve body 1 sliding, when moving to a certain position, make the first slider 7 under the reset of the first spring 10, with the slot 6 plug-in, at the same time rotate the right side of the rotating column 18, make the second spring 19 compression, drive the second slider 16 sliding, make the surface of the first fixed block 12 of the transmission column 22 bottom and the surface of the trapezoidal groove 13 sliding connection, then loosen the rotating column 18, make the second spring 19 reset, drive the second slider 16 plug-in in the through hole 14, at this time, rotate the left side of the rotating column 18, make the second slider 16 from the bottom block 5, repeat the above operation, make the bottom block 5 of the long rod 23 bottom from the trapezoidal groove 13, then slide the oil cylinder 2 to the left side, fixed in the slot 6, so you can manually control the plug-in plate 11 lifting, in the case of power failure or need manual operation, manual device can be immediately enabled, ensure the normal operation of the equipment and operation, improve the reliability and flexibility of the equipment, and because of the detachability of the oil cylinder 2 and the fixed column 3, maintenance personnel can more easily access to the key components of the plug-in plate valve, carry out the necessary maintenance and repair, shorten the repair time, reduce the maintenance cost.

[0026] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An electro-hydraulic lockout plug valve comprising a valve body (1), characterized in that: The top of the valve body (1) is provided with a groove, the inside of the top of the valve body (1) provided with a groove is slidably connected with two bottom blocks (5), the top of the left bottom block (5) is fixedly connected with an oil cylinder (2), the top of the right bottom block (5) is fixedly connected with a fixed column (3), the inside of the valve body (1) is provided with an insertion slot (6) in communication with the inside of the groove, the inside of the valve body (1) is slidably connected with an insertion plate (11), one side of the insertion plate (11) is fixedly connected with two second fixed blocks (24).

2. An electro-hydraulic lockout gas plug valve according to claim 1, wherein: The inside of the bottom block (5) is provided with a first sliding slot (8), the inside of the first sliding slot (8) is slidably connected with two first sliding blocks (7), the surfaces of the two first sliding blocks (7) are slidably connected with the inside of the insertion slot (6), the inside of the first sliding block (7) is slidably connected with a sliding rod (9), the first spring (10) is fixedly connected between the two first sliding blocks (7) and sleeved on the sliding rod (9).

3. An electro-hydraulic lockout plug valve according to claim 1, wherein: The output end of the oil cylinder (2) is fixedly connected with a long rod (23), the bottom of the long rod (23) is fixedly connected with a first fixed block (12), the inside of the first fixed block (12) is provided with a through hole (14).

4. An electro-hydraulic lockout plug valve according to claim 1, wherein: The inside of the second fixed block (24) is provided with a trapezoidal groove (13), the inside of the trapezoidal groove (13) is slidably connected with the surface of the first fixed block (12).

5. An electro-hydraulic lockout plug valve according to claim 1, wherein: The inside of the second fixed block (24) is provided with a second sliding slot (15), the inside of the second sliding slot (15) is slidably connected with a second sliding block (16), the surface of the second sliding block (16) is inserted into the inside of the through hole (14).

6. An electro-hydraulic lock gas plug valve according to claim 5, wherein: The inside of the second sliding slot (15) is rotatably connected with a gear (17), the top of the gear (17) is fixedly connected with a rotating column (18), one end of the rotating column (18) penetrates through the inside of the second fixed block (24) and extends to the outside of the second fixed block (24).

7. An electro-hydraulic lock gas plug valve according to claim 5, wherein: One side of the second sliding block (16) close to the gear (17) is provided with a gear tooth, the second sliding block (16) is meshingly connected with the surface of the gear (17) through the gear tooth, the inner wall of the second sliding slot (15) is fixedly connected with a second spring (19), one side of the second spring (19) close to the second sliding block (16) is fixedly connected with the surface of the second sliding block (16).

8. An electro-hydraulic lockout plug valve according to claim 1, wherein: The inside of the fixed column (3) is rotatably connected with a threaded rod (21), the top end of the threaded rod (21) is fixedly connected with a handle (4), the inside of the fixed column (3) is provided with a third sliding slot (20), the inside of the third sliding slot (20) is slidably connected with a transmission column (22), the bottom of the transmission column (22) is also fixedly connected with the first fixed block (12), the inside of the transmission column (22) is threadedly connected with the surface of the threaded rod (21).

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