Natural gas station valve instrument protection device

Abstract

The utility model discloses a natural gas station valve instrument protection device, which relates to the technical field of natural gas valve protection, and comprises a natural gas transportation pipe, the surface of the natural gas transportation pipe is fixedly connected with a valve instrument main body, and the outer side, close to the valve instrument main body, of the natural gas transportation pipe is detachably connected with an upper clamping block and a lower clamping block. A protective shell is fixedly connected to one side of the upper clamping block, observation glass is fixedly connected to the surface of one side of the protective shell, two racks are fixedly connected to the inner wall of the side, close to the observation glass, of the protective shell, limiting rails are fixedly connected to the positions, corresponding to the two racks, of the inner wall of the protective shell, and gears are connected to one sides of the racks in an engaged mode. And the other sides of the gears are slidably connected to the limiting rails, the inner sides of the two sets of gears are fixedly connected with connecting rods, the other ends of the connecting rods are rotationally connected with demisting cleaning pieces, and the protective shell is installed at the position of the valve instrument body on the outer side of the natural gas conveying pipe through the upper clamping block and the lower clamping block.

Description

Technical Field

[0001] The utility model relates to the technical field of natural gas valve protection, in particular to a natural gas station valve instrument protection device. Background Art

[0002] A natural gas station is a facility specifically designed to supply compressed natural gas (CNG) or liquefied natural gas (LNG) fuel. It primarily consists of a natural gas dispenser, gas storage tanks, compressor, pressure relief valve, liquefied natural gas storage tanks, metering devices, and an automatic control system. After being produced, natural gas flows through the station, and personnel monitor the station's valves and instruments to record various real-time natural gas values.

[0003] The above utility model has the following problems:

[0004] Water droplets occasionally adhere to the inside of the observation glass of the gas station valve instrument protection device in the prior art. The water droplets on the inside of the observation glass are difficult for workers to clean, which affects the workers' readings of the valve instrument. In addition, the natural gas transportation pipe is round, and the valve instrument protection device is not easy to install and fix.

[0005] Therefore, those skilled in the art provide a natural gas station valve and instrument protection device to solve the problems raised in the above background technology. Utility Model Content

[0006] The purpose of the utility model is to provide a natural gas station valve instrument protection device to solve the problems raised in the above background technology.

[0007] To achieve the above objectives, the present invention provides the following technical solutions:

[0008] A natural gas station valve instrument protection device includes a natural gas transportation pipe, a valve instrument body is fixedly connected to the surface of the natural gas transportation pipe, an upper clamping block and a lower clamping block are detachably connected to the outer side of the natural gas transportation pipe near the valve instrument body, a protective shell is fixedly connected to one side of the upper clamping block, and an observation glass is fixedly connected to the surface of one side of the protective shell.

[0009] As a further solution of the present invention: two sets of racks are fixedly connected to the inner wall of the protective shell close to the observation glass, and the inner wall of the protective shell corresponding to the two sets of racks is fixedly connected to a limiting track. One side of the rack is meshed with a gear, and the other side of the gear is slidably connected to the limiting track.

[0010] As a further solution of the present invention: the inner sides of the two groups of gears are fixedly connected with a connecting rod, the other end of the connecting rod is rotatably connected to a defogger cleaning component, the other side of one group of gears is rotatably connected to a fixed rod, the other end of the fixed rod is fixedly connected to a fixed block, the inner wall of the fixed block is fixedly connected with a spring, and the spring is a stretched spring by default.

[0011] As a further solution of the present invention: the other end of the spring is fixedly connected to the limiting block, and the limiting block is slidably connected to the inner side of the fixed block, the inner sides of the upper clamping block and the lower clamping block are fixedly connected with a damping spring, the damping spring is a stretched spring by default, and the other end of the damping spring is fixedly connected to a splint.

[0012] As a further solution of the present invention: both sides of the upper clamping block and the lower clamping block are fixedly connected with mounting blocks, and the inner sides of the mounting blocks are threadedly connected with bolts.

[0013] As a further solution of the present invention: a limiting groove is provided on one side of the protective shell close to the limiting block, handles are fixed at both ends of the protective shell, and ventilation grooves are provided at both ends of the protective shell close to the handles.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] Water droplets or other dirt attached to the inside of the observation glass will hinder the staff's clear observation and reading of the valve instrument. The demisting cleaning parts can be used to clean these water droplets in a timely and effective manner to ensure that the observation glass always remains clear. Cleaning is performed through the rack, limit rail, gear, connecting rod, demisting cleaning parts, fixed rod, fixed block, spring and limit block without the need for staff to open or remove the protective device, which can save time and labor and improve operational efficiency. The damping spring can provide appropriate clamping force according to the different diameters of natural gas transportation pipes, so that the device can operate stably and safely on pipes of various diameters without the need to frequently adjust or replace the splint. The application of the damping spring on the inside of the upper clamp block and the lower clamp block provides important support for the safe operation and reliability of the natural gas transportation pipeline by adjusting the splint pressure and providing stable clamping force. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The figure is a structural diagram of a natural gas station valve instrument protection device.

[0017] Figure 2 This is a structural diagram of the installation of a valve and instrument protection device for a natural gas station.

[0018] Figure 3 This is a structural diagram of a demisting and cleaning component in a natural gas station valve and instrument protection device.

[0019] Figure 4 This is a structural diagram of a clamping block in a natural gas station valve instrument protection device.

[0020] In the figure: 1. Natural gas transportation pipe, 2. Valve instrument body, 3. Protective shell, 4. Upper clamping block, 5. Observation glass, 6. Rack, 7. Limiting track, 8. Gear, 9. Connecting rod, 10. Demisting cleaning piece, 11. Fixing rod, 12. Fixing block, 13. Spring, 14. Limiting block, 15. Damping spring, 16. Clamp, 17. Bolt, 18. Mounting block, 19. Limiting slot, 20. Handle, 21. Ventilation slot, 22. Lower clamping block. DETAILED DESCRIPTION

[0021] 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.

[0022] Example 1

[0023] Reference Figure 1 、 23. This embodiment provides a natural gas station valve instrument protection device, including a natural gas transportation pipe 1, the surface of the natural gas transportation pipe 1 is fixedly connected to the valve instrument body 2, the natural gas transportation pipe 1 is detachably connected to the outer side of the valve instrument body 2 with an upper clamping block 4 and a lower clamping block 22, one side of the upper clamping block 4 is fixedly connected to a protective shell 3, one side surface of the protective shell 3 is fixedly connected to an observation glass 5, the inner wall of the protective shell 3 near the observation glass 5 is fixedly connected to two groups of racks 6, the inner wall of the protective shell 3 and the corresponding positions of the two groups of racks 6 are fixedly connected to a limiting track 7, one side of the racks 6 is meshed with a gear 8, the other side of the gear 8 is slidably connected to the limiting track 7, the inner sides of the two groups of gears 8 are fixedly connected to a connecting rod 9, the other end of the connecting rod 9 is rotatably connected to a demisting cleaning component 10, the other side of one group of gears 8 is rotatably connected to a fixed rod 11, the other end of the fixed rod 11 is fixedly connected to a fixed block 12, the inner wall of the fixed block 12 is fixedly connected to a spring 13, the spring 13 is silently connected The spring is considered to be stretched, and the other end of the spring 13 is fixedly connected to the limit block 14, and the limit block 14 is slidably connected to the inner side of the fixed block 12; the protective shell is installed to the position of the valve instrument body outside the natural gas transportation pipe through the upper clamping block and the lower clamping block. When water droplets appear on the surface of the observation glass, affecting the staff's reading of the valve instrument body, the staff can push the limit block, and the limit block slides in the fixed block. The limit block simultaneously compresses the spring in the fixed block so that the limit block can move in the limit groove, and the limit block drives the fixed rod to move, and the fixed rod drives one side of the gear to engage and rotate on the rack, and the other side of the gear slides on the inside of the limit track, and the gear drives the connecting rod to move, and the connecting rod drives the demisting cleaning part to move, and the demisting cleaning part cleans the water droplets inside the observation glass. When cleaning is completed, the limit block is pushed to its original position, the limit block is released, the spring releases the elastic force, and the spring drives the limit block to be stuck in the limit groove for fixing.

[0024] Example 2

[0025] Reference Figure 2 、 4This embodiment is based on the previous embodiment. The difference from the previous embodiment is that the inner sides of the upper clamping block 4 and the lower clamping block 22 are fixedly connected with a damping spring 15. The damping spring 15 is a spring that is stretched by default. The other end of the damping spring 15 is fixedly connected with a clamping plate 16. Both sides of the upper clamping block 4 and the lower clamping block 22 are fixedly connected with a mounting block 18. The inner side of the mounting block 18 is threadedly connected with a bolt 17. A limiting groove 19 is provided on the side of the protective shell 3 close to the limit block 14. Handles are fixed at both ends of the protective shell 3. 20. Ventilation slots 21 are provided at both ends of the protective shell 3 near the handle 20. The upper clamp block and the lower clamp block are installed on the outside of the natural gas transport pipe. The clamping plates inside the upper clamp block and the lower clamp block clamp the natural gas transport pipe. The inner side of the clamping plate is fixedly connected with a damping spring. The damping spring can control the clamping plate to clamp different natural gas transport pipes. The upper clamp block and the lower clamp block are threadedly installed through the mounting block and bolts. The protective shell is installed and taken out through the handle during installation. The ventilation slot is used to ventilate the valve instrument body and the outside world.

[0026] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0027] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A natural gas station valve instrument protection device, comprising a natural gas transport pipe (1), characterized in that: The surface of the natural gas transport pipe (1) is fixedly connected to a valve instrument body (2); the outer side of the natural gas transport pipe (1) near the valve instrument body (2) is detachably connected to an upper clamping block (4) and a lower clamping block (22); one side of the upper clamping block (4) is fixedly connected to a protective shell (3); one side surface of the protective shell (3) is fixedly connected to an observation glass (5); the inner wall of the protective shell (3) near the observation glass (5) is fixedly connected to two groups of racks (6); the inner wall of the protective shell (3) and the positions corresponding to the two groups of racks (6) are fixedly connected to a limiting track (7); one side of the rack (6) is meshed with a gear (8); the other side of the gear (8) is slidably connected to the limiting track (7); the inner sides of the two groups of gears (8) are fixedly connected to a connecting rod (9); the other end of the connecting rod (9) is rotatably connected to a demisting cleaning component (10).

2. A natural gas station valve instrument protection device according to claim 1, characterized in that: The other side of the set of gears (8) is rotatably connected to a fixed rod (11), the other end of the fixed rod (11) is fixedly connected to a fixed block (12), the inner wall of the fixed block (12) is fixedly connected to a spring (13), and the spring (13) is a stretched spring by default.

3. A natural gas station valve instrument protection device according to claim 2, characterized in that: The other end of the spring (13) is fixedly connected to the limiting block (14), and the limiting block (14) is slidably connected to the inner side of the fixed block (12).

4. A natural gas station valve instrument protection device according to claim 1, characterized in that: The inner sides of the upper clamping block (4) and the lower clamping block (22) are both fixedly connected with a damping spring (15), the damping spring (15) is a spring that stretches by default, and the other end of the damping spring (15) is fixedly connected with a clamping plate (16).

5. A natural gas station valve instrument protection device according to claim 1, characterized in that: Both sides of the upper clamping block (4) and the lower clamping block (22) are fixedly connected to mounting blocks (18), and the inner sides of the mounting blocks (18) are threadedly connected to bolts (17).

6. A natural gas station valve instrument protection device according to claim 1, characterized in that: A limiting groove (19) is provided on one side of the protective shell (3) close to the limiting block (14), handles (20) are fixed at both ends of the protective shell (3), and ventilation grooves (21) are provided at both ends of the protective shell (3) close to the handles (20).

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