Large-flow CNG unloading column

Abstract

The utility model discloses a large-flow CNG unloading column which comprises a fixed base and a gas unloading column fixedly connected to the top of the fixed base, a gas unloading pipe is installed on the top of the side face of the gas unloading column, a sealing structure is installed at the end of the gas unloading pipe, and a gas unloading assembly used in cooperation with the sealing structure is arranged on the side face of the sealing structure. When natural gas is discharged, only the abutting frame on the side face of the connecting pipe needs to be inserted into the gas discharging seat, the positioning ring is fixed into the positioning groove, meanwhile, the sealing gasket can be extruded through the abutting frame, the sealing gasket is separated from sealing of the sealing ring, manual opening is not needed, normal gas discharging can be guaranteed, and after gas discharging is completed, the sealing ring is fixed to the sealing ring through the abutting frame. The connecting pipe is pulled out, and the sealing gasket loses extrusion of the abutting frame, so that the sealing gasket sealing ring on the side face of the sealing plate can be driven under the elastic force action of the sleeve spring, natural gas backflow can be effectively avoided, and gas discharging operation of workers is greatly facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to natural gas unloading technical field especially relates to a large flow CNG unloading car column. BACKGROUND

[0002] Common CNG unloading column and the structure of gassing machine are basically similar, all are by quick -mounting joint, high -pressure hose, pull -off valve, manual ball valve, flowmeter, pneumatic valve and root ball valve composition, only the airflow direction is opposite already. When carrying out unloading operation, need press the related button on the operation panel, open pneumatic valve and manual valve and carry out unloading, and flowmeter carries out measurement simultaneously.

[0003] Such as the Chinese patent with the publication number CN205877702U discloses a simple CNG unloading column, solves the problem of complex structure, high cost, strong circuit dependency and high failure rate of CNG unloading column in the prior art. The utility model discloses a pipeline and support, pipeline connection pipe joint, pipe joint passes through pipeline and connects tee joint, tee joint one end connects diffusion valve and diffusion pipe, tee joint other end connects valve and check valve, check valve connects reducing pipe. The pipeline is fixed on the support through the pipe clamp.

[0004] And the unloading column in the prior art scheme generally needs to manually open the valve, which has limitations in the operation process. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of large flow CNG unloading car columns, when unloading gas to natural gas, without manually opening, it can guarantee normal unloading, after unloading gas is completed, by pulling out connecting pipe, sealing washer loses the extrusion of abutment, so it can be under the elastic force of sleeve spring, drive the sealing washer sealing ring of sealing plate side, in turn, effectively avoid natural gas backflow, so greatly facilitate the unloading operation of staff.

[0006] To achieve the above object, the main technical scheme adopted by the utility model includes:

[0007] A kind of large flow CNG unloading car column, comprising:

[0008] Fixed base and the unloading column of fixed connection at the top of the fixed base, the top of the side of the unloading column is equipped with unloading pipe, the end of the unloading pipe is equipped with sealing structure The side of the sealing structure is provided with unloading assembly used in cooperation with the sealing structure.

[0009] The above-mentioned large flow CNG unloading car column, wherein the sealing structure includes unloading seat fixedly connected to the end of the unloading pipe, and a sealing assembly capable of effectively preventing natural gas backflow is arranged in the unloading seat.

[0010] The large-flow CNG unloading column, wherein the sealing assembly comprises a sealing ring fixedly connected to the inner wall of the unloading seat, a sealing plate is arranged on the side surface of the sealing ring, and a sealing gasket matched with the sealing ring is arranged on the side of the sealing plate close to the sealing ring.

[0011] The large-flow CNG unloading column, wherein the top and bottom of the side surface of the sealing ring are fixedly connected with positioning sliding rods, positioning sliding sleeves are slidably connected to the positioning sliding rods, and the positioning sliding sleeves are fixedly connected to the side surface of the sealing plate through L-shaped connecting rods.

[0012] The large-flow CNG unloading column, wherein the end of the positioning sliding rod is fixedly connected with a positioning block, and a sleeve spring is arranged on the positioning sliding rod between the positioning block and the positioning sliding sleeve.

[0013] The large-flow CNG unloading column, wherein the unloading assembly comprises a connecting pipe connected with the unloading vehicle, a connecting plate is fixedly connected to the side surface of the connecting pipe, and an abutting frame is fixedly connected to the side surface of the connecting plate.

[0014] The large-flow CNG unloading column, wherein the side surface of the connecting plate is fixedly connected with a positioning ring, and a positioning groove matched with the positioning ring is arranged on the side surface of the unloading seat and at a position corresponding to the positioning ring.

[0015] The large-flow CNG unloading column has at least the following beneficial effects:

[0016] The large-flow CNG unloading column can ensure normal unloading without manual opening when unloading natural gas, and after unloading is completed, the connecting pipe is pulled out, the sealing gasket loses the extrusion of the abutting frame, and thus the sealing gasket sealing ring on the side surface of the sealing plate can be driven under the elastic force of the sleeve spring, and natural gas backflow can be effectively avoided, thereby greatly facilitating the unloading operation of the staff. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, and the illustrative embodiments of the present application and the description thereof are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0018] Figure 1 It is a structural schematic view of the large-flow CNG unloading column of the present application;

[0019] Figure 2 It is a structural schematic view of the sealing structure in the large-flow CNG unloading column of the present application;

[0020] Figure 3 It is a structural schematic view of the sealing assembly in the large-flow CNG unloading column of the present application;

[0021] Figure 4 It is the structure schematic view of the gas unloading assembly in the large-flow CNG unloading column of the utility model.

[0022] Figure 5 It is the structure schematic view of the gas unloading assembly in the large-flow CNG unloading column of the utility model.

[0023] Explanation of reference numerals:

[0024] 1, fixed base; 2, gas unloading column; 3, gas unloading pipe; 4, sealing structure; 5, gas unloading assembly;

[0025] 401, gas unloading seat; 402, sealing assembly;

[0026] 4021, sealing ring; 4022, sealing plate; 4023, sealing gasket;

[0027] 4024, positioning sliding rod; 4025, positioning sliding sleeve; 4026, L-shaped connecting rod; 4027, positioning block; 4028, sleeve spring;

[0028] 501, connecting pipe; 502, connecting plate; 5021, positioning ring; 5022, positioning groove; 503, abutting frame. DETAILED DESCRIPTION

[0029] The embodiments of the present application will be described in detail below with reference to the accompanying drawings and embodiments, so that the realization process of how to apply technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

[0030] Please refer to Figures 1 to 5 The large-flow CNG unloading column provided by the embodiment includes a fixed base 1 and a gas unloading column 2 fixedly connected to the top of the fixed base 1, a gas unloading pipe 3 is installed on the top of the side surface of the gas unloading column 2, a sealing structure 4 is installed on the end of the gas unloading pipe 3, and a gas unloading assembly 5 used in cooperation with the sealing structure 4 is arranged on the side surface of the sealing structure 4; by adopting the above technical scheme, when natural gas is unloaded, it is not necessary to manually open, and normal unloading can be ensured; after unloading is completed, by pulling out the connecting pipe 501, the sealing gasket 4023 loses the extrusion of the abutting frame 503, so that the sealing gasket 4023 on the side surface of the sealing plate 4022 can be driven to block the sealing ring 4021 under the elastic force of the sleeve spring 4028, and thus natural gas backflow can be effectively avoided, thereby greatly facilitating the unloading operation of the staff.

[0031] Please refer to Figures 1 to 5As shown, the sealing structure 4 comprises a discharging seat 401 fixedly connected at the end of the discharging pipe 3, and a sealing assembly 402 is arranged in the discharging seat 401 to effectively prevent the backflow of natural gas. The sealing assembly 402 comprises a sealing ring 4021 fixedly connected to the inner wall of the discharging seat 401, a sealing plate 4022 arranged on the side of the sealing ring 4021, a sealing gasket 4023 arranged on the side of the sealing plate 4022 close to the sealing ring 4021, a positioning sliding rod 4024 fixedly connected to the top and bottom of the side of the sealing ring 4021, a positioning sliding sleeve 4025 slidably connected to the positioning sliding rod 4024, and an L-shaped connecting rod 4026 fixedly connecting the side of the sealing plate 4022 and the positioning sliding sleeve 4025. The positioning sliding rod 4024 and the positioning sliding sleeve 4025 limit the sealing plate 4022, thereby increasing the stability of the sealing plate 4022 driving the sealing gasket 4023 to seal the sealing ring 4021. The end of the positioning sliding rod 4024 is fixedly connected with a positioning block 4027, a sleeve spring 4028 is sleeved on the positioning sliding rod 4024 between the positioning block 4027 and the positioning sliding sleeve 4025, and the sleeve spring 4028 can drive the sealing gasket 4023 to recover the sealing of the sealing ring 4021 under the elastic force of the sleeve spring 4028. The discharging assembly 5 comprises a connecting pipe 501 connected with the discharging vehicle, a connecting plate 502 fixedly connected to the side of the connecting pipe 501, an abutting frame 503 fixedly connected to the side of the connecting plate 502, a positioning ring 5021 fixedly connected to the side of the connecting plate 502, and a positioning groove 5022 matching with the positioning ring 5021 arranged on the side of the discharging seat 401 and corresponding to the positioning ring 5021.

[0032] The working principle of the utility model is: when discharging natural gas, only need to insert the abutting frame 503 on the side of the connecting pipe 501 into the discharging seat 401, and fix the positioning ring 5021 in the positioning groove 5022, at the same time, the sealing gasket 4023 can be extruded by the abutting frame 503, and the sealing gasket 4023 is separated from the sealing of the sealing ring 4021, without manual opening, the normal discharging can be ensured, after discharging, the connecting pipe 501 is pulled out, the sealing gasket 4023 loses the extrusion of the abutting frame 503, and under the elastic force of the sleeve spring 4028, the sealing gasket 4023 on the side of the sealing plate 4022 can block the 4020 fixed base 1, thereby effectively avoiding the backflow of natural gas, so that the discharging operation of the staff is greatly facilitated.

[0033] The above description shows and describes several preferred embodiments of the present application, but as previously discussed, it is to be understood that the application is not limited to the forms described herein, should not be construed as excluding other embodiments, and can be used in various other combinations, modifications and environments, and can be modified within the scope of the application conceived herein, by the above teachings or related technical or knowledge. The modifications and changes made by those skilled in the art without departing from the spirit and scope of the application shall be within the scope of protection of the appended claims of the present application.

Claims

1. A high-flow-rate CNG unloading column, comprising a fixed base (1) and an unloading column (2) fixedly connected to the top of the fixed base (1), characterized in that, An unloading pipe (3) is installed on the top of the side of the unloading column (2), and a sealing structure (4) is installed at the end of the unloading pipe (3). An unloading assembly (5) is provided on the side of the sealing structure (4) to cooperate with the sealing structure (4).

2. The high-flow-rate CNG unloading column according to claim 1, characterized in that: The sealing structure (4) includes a gas unloading seat (401) fixedly connected to the end of the gas unloading pipe (3), and the gas unloading seat (401) is provided with a sealing component (402) that can effectively prevent natural gas backflow.

3. The high-flow-rate CNG unloading column according to claim 2, characterized in that: The sealing assembly (402) includes a sealing ring (4021) fixedly connected to the inner wall of the venting seat (401), a sealing plate (4022) is provided on the side of the sealing ring (4021), and a sealing gasket (4023) matching the sealing ring (4021) is provided on the side of the sealing plate (4022) near the sealing ring (4021).

4. A high-flow-rate CNG unloading column according to claim 3, characterized in that: Positioning slide rods (4024) are fixedly connected to the top and bottom of the side of the sealing ring (4021). Positioning slide sleeves (4025) are slidably connected to the positioning slide rods (4024). The positioning slide sleeves (4025) are fixedly connected to the side of the sealing plate (4022) through L-shaped connecting rods (4026).

5. A high-flow-rate CNG unloading column according to claim 4, characterized in that: A positioning block (4027) is fixedly connected to the end of the positioning slide rod (4024), and a spring (4028) is sleeved on the positioning slide rod (4024) located between the positioning block (4027) and the positioning sleeve (4025).

6. A high-flow-rate CNG unloading column according to claim 5, characterized in that: The unloading assembly (5) includes a connecting pipe (501) connected to the unloading vehicle, a connecting plate (502) fixedly connected to the side of the connecting pipe (501), and an abutment frame (503) fixedly connected to the side of the connecting plate (502).

7. A high-flow-rate CNG unloading column according to claim 6, characterized in that: A positioning ring (5021) is fixedly connected to the side of the connecting plate (502), and a positioning groove (5022) matching the positioning ring (5021) is provided on the side of the air release seat (401) at the position corresponding to the positioning ring (5021).

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