Leak-proof device for tank opening of tank car

Abstract

The utility model discloses a tank car filling opening leakproof device, which relates to the field of gas-liquid transportation, and comprises a car main body, the upper surface of the car main body is connected with a tank box, the upper surface of the tank box is connected with a discharge port, the top end of the discharge port is provided with a sealing cover, and the discharge port is internally provided with an auxiliary mechanism for improving the effect of a sealing mechanism. And the auxiliary mechanism comprises a rotating groove, the rotating groove is formed in the discharging opening, and a double-head conical rod is rotationally connected into the rotating groove. According to the tank car filling opening anti-leakage device, along with rotation of the worm, the extrusion force of the sealing ring on the discharging opening is larger, so that the good sealing effect is achieved, the anti-leakage effect of the device is achieved, the bevel gear rod can drive the other sealing disc to rotate when rotating, the two sealing discs rotate at the same time, and dual sealing of the discharging opening can be achieved; after the L-shaped block is positioned, the worm can be prevented from reversing and loosening in the running process of the vehicle, so that leakage of the filling opening is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas -liquid transportation technical field, concretely is a tank car filling mouth anti -leakage device. BACKGROUND

[0002] Gas -liquid transportation refers to the process of transporting gas and liquid in the pipeline or container, in order to facilitate transportation to design the tank car with tank body, the container of tank car is usually cylindrical or rectangular, has sealing property, the sealing device of filling mouth can prevent the problem of gas -liquid leakage in the conveying process.

[0003] At present, the tank car anti -leakage device still has certain deficiency, such as the tank car is prone to leakage:

[0004] In order to overcome the leakage of tank car, the prior art (publication number: CN212361582U) discloses a natural gas storage and transportation anti -leakage device, the gland is pressed to the left end of the maintenance opening, the pressing ring is pressed to the left end of the soft ring, so that the soft ring receives the area under the pressing ring and expands to the edge area of the soft ring, and the double -layer sealing effect is formed;

[0005] But the tank car anti -leakage device used at present still has certain deficiency, the double -layer sealing effect is used in the above -mentioned document, but needs to realize sealing through twice threaded operation, and the operation efficiency is relatively low, secondly, the tank car is prone to jolt in transportation, and the bolt is prone to loosening for a long time, which may affect the sealing effect, so the existing structure needs to be improved. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of tank car filling mouth anti -leakage device to solve the leakage of the filling mouth of tank car in the above background art and the problem that structure is prone to looseness in tank car jolt.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of tank car filling mouth anti -leakage device, including car main body, the car main body upper surface is connected with tank box, the tank box upper surface is connected with discharge port, the discharge port top end is equipped with sealing cover;

[0008] The discharge port outside is fixed with connecting block, the connecting block is rotated and is penetrated with worm in it, the worm bottom is engaged and is connected with worm wheel, the worm wheel rotates in connecting block, the fixed rod is fixed on the side surface of the worm wheel, the fixed rod is connected with sealing bearing between discharge port, the fixed rod end is fixed with sealing disc, the sealing disc rotates in the inside of discharge port, two groups are arranged on the sealing disc, the discharge port is internally provided with the sealing mechanism of preventing tank car leakage;

[0009] The surface of the worm is fixed with ratchet wheel, the side of the worm is provided with the leakage prevention mechanism for improving the stability of sealing mechanism.

[0010] Further, the sealing mechanism comprises a sealing ring, the sealing ring is sleeved on the inner surface of the sealing disc, a connecting plate is fixed on the inner side of the discharge port close to the sealing disc, a gas bag is connected on the surface of the connecting plate, a connecting pipe is connected between the gas bag and the sealing ring, and the connecting pipe is connected in the sealing disc.

[0011] Further, the discharge port is further provided with an auxiliary mechanism for improving the sealing mechanism effect, the auxiliary mechanism comprises a rotating groove, the rotating groove is arranged in the discharge port, and a double-head taper rod is rotatably connected in the rotating groove.

[0012] Further, the top end and the bottom end of the double-head taper rod are respectively connected with a bevel gear and a bevel gear rod, the bevel gear is fixed on the surface of the fixed rod, the bevel gear rod is fixed on the side of the sealing disc at the bottom, the bevel gear rod is rotatably connected with the discharge port, and the bevel gear, the double-head taper rod and the bevel gear rod are drivingly connected.

[0013] Further, the anti-leakage mechanism comprises an L-shaped block, the L-shaped block is rotatably arranged on the front portion of the connecting block, the L-shaped block is abuttingly connected with the ratchet wheel, and an external connecting block is further fixed on the front portion of the connecting block.

[0014] Further, the external connecting block and the L-shaped block are connected with a spring, a hook is rotatably connected on the front portion of the external connecting block, and the hook is positioningly connected with the L-shaped block.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The tank filling port anti-leakage device, the sealing ring is pressed on the discharge port with the rotation of the worm, so that the sealing effect is better, the anti-leakage effect of the device is realized, the bevel gear rod can drive another group of sealing discs to rotate when rotating, and double sealing of the discharge port can be realized by the rotation of the two groups of sealing discs, and the L-shaped block can prevent the worm from reversing and loosening during vehicle driving after positioning, thereby preventing the filling port from leaking

[0017] 2. The worm and the worm are arranged, the sealing disc can be stably driven to rotate through the worm and the worm, the discharge port can be sealed more easily, and the device is more convenient to use;

[0018] 3. The sealing ring is arranged, the gas can be delivered to the inside of the sealing ring through the extrusion of the gas bag, the sealing of the discharge port is realized, the sealing effect can be improved as the extrusion degree of the gas bag increases, and the sealing effect of the device is improved;

[0019] 4. The double-head taper rod is arranged, the two sealing discs can be operated simultaneously through the double-head taper rod, and the operability and convenience of the device are further improved;

[0020] 5. Set up with spring, through spring can push L-shaped block to keep angle state, so that the discharge port sealing is completed to the worm positioning, the worm will not appear loose because of jolt and vibration, improve the safety of use. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is whole front view three-dimensional structure schematic diagram of the utility model;

[0022] Figure 2 It is tank box sectional view three-dimensional structure schematic diagram of the utility model;

[0023] Figure 3 It is discharge port enlarged three-dimensional structure schematic diagram of the utility model;

[0024] Figure 4 It is connecting block sectional view three-dimensional structure schematic diagram of the utility model;

[0025] Figure 5 It is sealing disc sectional view three-dimensional structure schematic diagram of the utility model;

[0026] Figure 6 It is double-end taper rod enlarged three-dimensional structure schematic diagram of the utility model

[0027] Figure 7 It is ratchet wheel enlarged three-dimensional structure schematic diagram of the utility model.

[0028] In the drawing: 1, car body;2, tank box;3, discharge port;4, sealing cover;301, connecting block;302, worm;303, worm wheel;304, fixed rod;305, sealing disc;306, sealing ring;307, connecting plate;308, air bag;309, connecting pipe;310, rotary groove;311, double-end taper rod;312, bevel gear;313, ratchet wheel;314, L-shaped block;315, external connecting block;316, spring;317, hook;318, bevel gear rod. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. Embodiment one:

[0030] As Figures 1-5 shown in the technical scheme, the utility model provides the following technical scheme: in order to solve the problem that the filling opening of tank car is prone to leakage and has hidden danger, the sealing mechanism is disclosed:

[0031] The utility model provides a sealing mechanism of tank car, including car body 1, the upper surface of car body 1 is connected with tank 2, the upper surface of tank 2 is connected with discharge gate 3, the top of discharge gate 3 is installed with sealing cover 4, the outer side of discharge gate 3 is fixed with connecting block 301, the inside of connecting block 301 is penetrated with worm 302, and worm 302 bottom is engaged with worm wheel 303, and worm wheel 303 rotates in the inside of connecting block 301, and the side of worm wheel 303 is fixed with fixed rod 304, and fixed rod 304 is connected with discharge gate 3 between sealing bearing, and fixed rod 304 end is fixed with sealing disc 305, and sealing disc 305 rotates in the inner side of discharge gate 3, and sealing disc 305 is provided with two groups on the upside and downside, and the inside of discharge gate 3 is provided with the sealing mechanism of preventing tank car from leaking, and the surface of worm 302 is fixed with ratchet wheel 313, and the side of worm 302 is provided with the leakage prevention mechanism of improving the stability of sealing mechanism, and the sealing mechanism includes sealing ring 306, and sealing ring 306 is sleeved in the inner surface of sealing disc 305, and the inner side of discharge gate 3 close to sealing disc 305 is fixed with connecting plate 307, and the surface of connecting plate 307 is connected with air bag 308, and air bag 308 is connected with connecting pipe 309 between sealing ring 306, and connecting pipe 309 is connected in the inside of sealing disc 305, and the inside of tank 2 of tank car usually carries gas or liquid, and after loading, sealing cover 4 is used to seal discharge gate 3, and after sealing cover 4 is sealed, worm 302 is rotated by hand, and when worm 302 rotates, can rotate through connecting block 301, and when worm 302 rotates, can drive worm wheel 303 to engage and rotate, and when worm wheel 303 engages and rotates, can drive fixed rod 304 to rotate, and when fixed rod 304 rotates, can rotate through sealing bearing, and when fixed rod 304 rotates, can drive sealing disc 305 to rotate, and when sealing disc 305 rotates, bottom can rotate to the upper surface of air bag 308 and extrude, and when air bag 308 is extruded, can be deformed, and when air bag 308 is deformed, the inside gas can be transported to the inner side of sealing ring 306 through connecting pipe 309, and sealing ring 306 can expand on the inner surface of sealing disc 305 through the gas transported, and when sealing ring 306 expands, can fill the sealing place between sealing disc 305 and discharge gate 3, and along with the rotation of worm 302, the extrusion force of sealing ring 306 to discharge gate 3 will be greater, so that better sealing effect is realized, and the leakage prevention effect of the device is realized. Embodiment two:

[0032] As Figure 4 And Figure 6 The technical scheme provided by the utility model provides the following technical scheme: in order to solve the problem that the sealing mechanism effect of tank car may be insufficient, on the basis of embodiment one, an auxiliary mechanism is disclosed:

[0033] The auxiliary mechanism for improving the sealing mechanism effect is further arranged in the discharge port 3, the auxiliary mechanism comprises a rotating groove 310, the rotating groove 310 is arranged in the discharge port 3, a double-head taper rod 311 is rotatably connected in the rotating groove 310, taper gears 312 and taper rods 318 are respectively connected to the top end and the bottom end of the double-head taper rod 311, the taper gears 312 are fixed on the surface of the fixing rod 304, the taper rods 318 are fixed on the side surface of the sealing disc 305 at the bottom, the taper rods 318 are rotatably connected with the discharge port 3, the taper gears 312, the double-head taper rod 311 and the taper rods 318 are drivingly connected, the fixing rod 304 can be rotated when the sealing mechanism of the device is used, the fixing rod 304 can drive the taper gears 312 and the sealing disc 305 to rotate when the fixing rod 304 is rotated, the double-head taper rod 311 can be driven to meshingly rotate when the taper gears 312 are rotated, the double-head taper rod 311 can be rotated through the rotating groove 310 when the double-head taper rod 311 is meshingly rotated, the taper rods 318 can be meshingly rotated at the bottom of the double-head taper rod 311 when the double-head taper rod 311 is rotated, the taper rods 318 can be rotated through the discharge port 3 when the taper rods 318 are meshingly rotated, the other group of sealing discs 305 can be driven to rotate when the taper rods 318 are rotated, and the double leakage-proof effect of the discharge port 3 can be realized by the rotation of the two groups of sealing discs 305, so that the leakage-proof effect of the device is further improved. Example three:

[0034] As shown in Figure 3 and Figure 7 The technical scheme is provided as follows: in order to solve the problems that the structure is prone to loosening and leakage in the tank car bumping, a leakage-proof mechanism is disclosed:

[0035] The leakage prevention mechanism comprises an L-shaped block 314 rotatably arranged at the front of the connecting block 301, the L-shaped block 314 is in abutting connection with the ratchet wheel 313, the front of the connecting block 301 is further fixed with an external connecting block 315, the spring 316 is connected between the L-shaped block 314 and the external connecting block 315, the hook 317 is rotatably connected to the front of the external connecting block 315, the hook 317 is in positioning connection with the L-shaped block 314, when the leakage prevention device is in use, the rotating worm 302 can drive the ratchet wheel 313 to rotate, the inclined surface of the ratchet wheel 313 can extrude the side surface of the L-shaped block 314 when the ratchet wheel 313 rotates, the L-shaped block 314 can rotate through the connecting block 301 when being extruded, the L-shaped block 314 can extrude the spring 316 through the external connecting block 315 when rotating, the spring 316 can shrink through its material quality when being extruded, the sealing disc 305 can seal the inside of the discharge port 3 after the worm 302 rotates to the specified position, at this time, the protruding part of the ratchet wheel 313 can rotate to the side surface of the L-shaped block 314, the L-shaped block 314 can reset under the elastic material of the spring 316, the L-shaped block 314 can be positioned after resetting by being attached to the side surface of the protruding part of the ratchet wheel 313, the L-shaped block 314 can prevent the worm 302 from reversing and loosening during the driving of the vehicle, thereby preventing the leakage of the pouring port, improving the stability of the sealing mechanism of the device, and when the discharge port 3 needs to be opened, the L-shaped block 314 is pressed to the specified position, at this time, the L-shaped block 314 can be away from the side surface of the ratchet wheel 313, then the hook 317 is rotated to the side surface of the L-shaped block 314, the L-shaped block 314 can extrude the inside of the hook 317 through the elastic force of the spring 316, the L-shaped block 314 can be positioned when being extruded, the L-shaped block 314 can facilitate the opening of the discharge port 3, improving the operation efficiency.

[0036] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A tank truck filling port leak-proof device, comprising a truck body (1), a tank (2) is connected to the upper surface of the truck body (1), a discharge port (3) is connected to the upper surface of the tank (2), and a sealing cover (4) is installed at the top end of the discharge port (3). Characterized in that; The outer side of the discharge port (3) is fixed with a connecting block (301), a worm (302) is rotatably arranged in the connecting block (301), the bottom of the worm (302) is connected with a worm gear (303), the worm gear (303) is rotatable in the connecting block (301), the side of the worm gear (303) is fixed with a fixed rod (304), a sealing bearing is connected between the fixed rod (304) and the discharge port (3), the end of the fixed rod (304) is fixed with a sealing disc (305), the sealing disc (305) is rotatable in the inner side of the discharge port (3), two groups of the sealing disc (305) are arranged above and below, and a sealing mechanism for preventing leakage is arranged in the inner side of the discharge port (3). The surface of the worm (302) is fixed with a ratchet wheel (313), and the side of the worm (302) is provided with a leakage prevention mechanism for improving the stability of the sealing mechanism.

2. A tank vehicle filling spout leak prevention device according to claim 1, characterised in that: The sealing mechanism comprises a sealing ring (306) sleeved on the inner surface of the sealing disc (305), a connecting plate (307) is fixed on the inner side of the discharge port (3) close to the sealing disc (305), an air bag (308) is connected to the surface of the connecting plate (307), a connecting pipe (309) is connected between the air bag (308) and the sealing ring (306), and the connecting pipe (309) is connected in the sealing disc (305).

3. The tank vehicle filling spout leak prevention device of claim 1, wherein: The inner side of the discharge port (3) is further provided with an auxiliary mechanism for improving the effect of the sealing mechanism, the auxiliary mechanism comprises a rotating groove (310) arranged in the inner side of the discharge port (3), and a double-head taper rod (311) is rotatably connected in the rotating groove (310).

4. The tank vehicle filling spout leak prevention device of claim 3, wherein: The top end and the bottom end of the double-head taper rod (311) are respectively connected with a bevel gear (312) and a bevel gear rod (318), the bevel gear (312) is fixed on the surface of the fixed rod (304), the bevel gear rod (318) is fixed on the side of the bottom sealing disc (305), the bevel gear rod (318) is rotatably connected with the discharge port (3), and the bevel gear (312), the double-head taper rod (311) and the bevel gear rod (318) are in transmission connection.

5. The tank vehicle filling spout leak prevention device of claim 1, wherein: The leakage prevention mechanism comprises an L-shaped block (314) rotatable in the front of the connecting block (301), the L-shaped block (314) is in close connection with the ratchet wheel (313), and an external connecting block (315) is further fixed on the front of the connecting block (301).

6. A tank vehicle filling spout leak prevention device according to claim 5, characterised in that: The external connecting block (315) and the L-shaped block (314) are connected with a spring (316), the front of the external connecting block (315) is rotatably connected with a hook (317), and the hook (317) is in positioning connection with the L-shaped block (314).

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