CN219062591U

CN219062591U - Natural gas throttling device convenient to overhaul

Info

Publication number: CN219062591U
Application number: CN202223392363.3U
Authority: CN
Inventors: 冯荣; 刘龙辉; 李满香
Original assignee: Jiangxi Suichuan Natural Gas Co ltd
Current assignee: Jiangxi Suichuan Natural Gas Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-05-23
Anticipated expiration: 2032-12-16

Abstract

The natural gas throttling device convenient to overhaul comprises a throttling valve, wherein pipeline connectors are arranged at two ends of the throttling valve, the bottom of the throttling valve is fixedly connected with a lower shell through a self-locking telescopic rod, rubber strips A are adhered to the positions of assembling grooves of two end faces of the lower shell, and clamping grooves are symmetrically arranged at the opening position of the top of the lower shell; the upper shell is fixedly connected with an assembly seat on the upper surface of the upper shell, a gas detector is inserted in the assembly seat, rubber strips B are adhered to the positions of assembly grooves on two end faces of the upper shell, clamping blocks are symmetrically arranged at the opening positions of the bottom of the upper shell, and the clamping blocks of the upper shell correspond to the clamping grooves of the lower shell in a clamping mode. The upper shell and the lower shell are used for shielding and sealing the joint of the throttle valve and the external pipeline, and once the natural gas leakage phenomenon occurs at the joint position, the gas detector gives out an alarm, so that corresponding rescue measures can be conveniently and timely taken, and the safety is improved.

Description

Natural gas throttling device convenient to overhaul

Technical Field

The utility model relates to the technical field of natural gas conveying, in particular to a natural gas throttling device convenient to overhaul.

Background

Natural gas is a combustible gas existing in nature, and in order to facilitate throttling treatment during pipeline transportation, technicians can additionally install a throttle valve on a transportation pipeline. The natural gas throttling device with the existing patent number of CN213576203U is convenient to overhaul, the cover body is easy and convenient to take on the cylinder body, and the cover body can be directly taken off from the cylinder body by directly applying an upward pulling force to the block body by hand; the cover body is fixed on the cylinder body, so that the cover body can be automatically fixed when placed on the cylinder body by utilizing the magnetic cooperation between the sealing magnetic block and the fixed magnetic block, and the stability during use is ensured.

However, for the throttle valve installed on the conveying pipeline, the joint connection part of the throttle valve and the external pipeline is inconvenient to carry out leakage-proof detection treatment, so that the throttle valve is inconvenient to overhaul and maintain, and the use effect is reduced.

Disclosure of Invention

Object of the utility model

In order to solve the technical problems in the background technology, the utility model provides the natural gas throttling device convenient to overhaul, the upper shell and the lower shell carry out shielding sealing treatment on the joint of the throttling valve and the external pipeline, and once the joint position of the throttling valve and the external pipeline has the phenomenon of natural gas leakage, the gas detector sends out alarm sound, so that corresponding rescue measures are convenient to take in time, and the safety is improved.

(II) technical scheme

In order to solve the problems, the utility model provides a natural gas throttling device convenient to overhaul, which comprises a throttling valve, wherein pipeline connectors are arranged at two ends of the throttling valve, the bottom of the throttling valve is fixedly connected with a lower shell through a self-locking telescopic rod, rubber strips A are adhered to the assembling groove positions of two end faces of the lower shell, and clamping grooves are symmetrically arranged at the opening positions of the top of the lower shell;

the upper shell is clamped above the lower shell, the upper surface of the upper shell is fixedly connected with an assembly seat, a gas detector is inserted in the assembly seat, and rubber strips B are adhered to the positions of assembly grooves on two end faces of the upper shell.

Preferably, the open position of the bottom of the upper shell is symmetrically provided with clamping blocks, and the clamping blocks of the upper shell correspond to the clamping grooves of the lower shell in a clamping way.

Preferably, an observation window is formed in the front position of the upper shell, and an acrylic plate is filled in the observation window of the upper shell.

Preferably, a sealing strip is adhered to the position of the top opening of the lower shell, and the end face of the sealing strip is attached to the rubber strip A.

Preferably, the sealing strip of the lower shell is inserted and corresponds to the groove at the bottom of the upper shell.

Preferably, the lower surface of the lower shell is fixedly connected with a traction seat.

Preferably, the front and back positions of the lower shell are fixedly connected with anti-collision plates.

The technical scheme of the utility model has the following beneficial technical effects:

1. after the pipeline joints at two ends of the throttle valve are connected with a pipeline for conveying natural gas in a conducting way, the lower shell is longitudinally lifted relative to the throttle valve, the self-locking telescopic rod is in a shortened state until the rubber strip A at the position of the assembly groove of the lower shell is attached to the lower surface of the externally connected pipeline, the upper shell is clamped relative to the lower shell, the clamping block at the bottom of the upper shell corresponds to the clamping groove of the lower shell in a clamping way, the rubber strip B of the upper shell is attached to the upper surface of the externally connected pipeline, and the installation and fixation of the upper shell and the lower shell are completed.

2. According to the utility model, the upper shell and the lower shell are used for shielding and sealing the joint of the throttle valve and the external pipeline, and once the natural gas leakage phenomenon occurs at the joint position, the gas detector gives out an alarm, so that corresponding rescue measures can be conveniently and timely taken, and the safety is improved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a natural gas throttling device convenient to overhaul.

Fig. 2 is a schematic connection diagram of a lower casing and an upper casing of a natural gas throttling device convenient to overhaul.

Fig. 3 is a schematic diagram of the inside of a lower housing of a natural gas throttling device with convenient maintenance.

Reference numerals: 1. a throttle valve; 2. self-locking telescopic rod; 3. a lower housing; 301. a clamping groove; 302. a rubber strip A; 4. an anti-collision plate; 5. a sealing strip; 6. an upper housing; 601. a clamping block; 602. a rubber strip B; 7. an observation window; 8. an assembly seat; 9. a gas detector; 10. a traction seat.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

Example 1

As shown in fig. 1-3, the natural gas throttling device convenient to overhaul provided by the utility model comprises a throttling valve 1, wherein pipeline connectors are arranged at two ends of the throttling valve 1, the bottom of the throttling valve 1 is fixedly connected with a lower shell 3 through a self-locking telescopic rod 2, rubber strips A302 are adhered to the assembling groove positions of two end faces of the lower shell 3, and clamping grooves 301 are symmetrically arranged at the opening position of the top of the lower shell 3;

the upper shell 6 is clamped above the lower shell 3, an assembly seat 8 is fixedly connected to the upper surface of the upper shell 6, a gas detector 9 is inserted in the assembly seat 8, and rubber strips B602 are adhered to the positions of the assembly grooves on the two end faces of the upper shell 6.

It should be noted that after the pipeline joints at two ends of the throttle valve 1 are connected with the pipeline for conveying natural gas, the lower shell 3 is lifted longitudinally relative to the throttle valve 1, the self-locking telescopic rod 2 is in a shortened state until the rubber strip A302 at the assembly groove position of the lower shell 3 is attached to the lower surface position of the external pipeline, the upper shell 6 is clamped relative to the lower shell 3, the clamping block 601 at the bottom of the upper shell 6 is correspondingly clamped with the clamping groove 301 of the lower shell 3, the rubber strip B602 of the upper shell 6 is attached to the upper surface of the external pipeline, the installation and fixation of the upper shell 6 and the lower shell 3 are completed, the upper shell 6 and the lower shell 3 are used for shielding and sealing the joint of the throttle valve 1 and the external pipeline, and once the joint position of the self-locking telescopic rod has the phenomenon of natural gas leakage, the gas detector 9 sends out an alarm sound, corresponding rescue measures are conveniently and timely taken, and safety is improved.

Example two

In an optional embodiment, the opening at the bottom of the upper housing 6 is symmetrically provided with clamping blocks 601, the clamping blocks 601 of the upper housing 6 are correspondingly clamped with the clamping grooves 301 of the lower housing 3, the front position of the upper housing 6 is provided with an observation window 7, and an acrylic plate is filled in the observation window 7 of the upper housing 6.

It should be noted that, the upper casing 6 corresponds with the lower casing 3 joint, and the assembly and the split are convenient, and through the acrylic board of observation window 7, throttle valve 1 can be observed.

Example III

In an alternative embodiment, the sealing strip 5 is adhered to the top opening of the lower housing 3, the end surface of the sealing strip 5 is attached to the rubber strip a302, and the sealing strip 5 of the lower housing 3 is inserted into the groove at the bottom of the upper housing 6.

It should be noted that, after the upper shell 6 is clamped relative to the lower shell 3, the sealing strip 5 is attached to the inside of the groove at the bottom of the upper shell 6, the sealing strip 5 improves the tightness of the joint of the lower shell 3 and the upper shell 6, and the sealing strip has a good gas leakage preventing effect.

Example IV

In an alternative embodiment, the lower surface of the lower housing 3 is fixedly connected with a traction seat 10, and the front and back positions of the lower housing 3 are fixedly connected with an anti-collision plate 4.

It should be noted that, the traction seat 10 is installed on the lower surface of the lower casing 3, so that the lower casing 3 is conveniently pushed and pulled by the traction seat 1, and the length of the self-locking telescopic rod 2 is also changed and adjusted in the process of pushing and pulling the lower casing 3; the front and back positions of the lower shell 3 are fixedly connected with an anti-collision plate 4, the anti-collision plate 4 reinforces the lower shell 3, the structural strength of the lower shell 3 is improved, a good anti-abrasion protection effect is achieved, and the integrity of the whole structure of the lower shell 3 is maintained.

According to the utility model, after pipeline joints at two ends of the throttle valve 1 are connected with a pipeline for conveying natural gas, the lower shell 3 is longitudinally lifted relative to the throttle valve 1, the self-locking telescopic rod 2 is in a shortened state until the rubber strip A302 at the assembly groove position of the lower shell 3 is attached to the lower surface position of an external pipeline, the upper shell 6 is clamped relative to the lower shell 3, the clamping block 601 at the bottom of the upper shell 6 is clamped and corresponds to the clamping groove 301 of the lower shell 3, the rubber strip B602 of the upper shell 6 is attached to the upper surface of the external pipeline, the installation and fixation of the upper shell 6 and the lower shell 3 are completed, the joint of the throttle valve 1 and the external pipeline is shielded and sealed, and once the joint position of the throttle valve 1 and the external pipeline has the natural gas leakage phenomenon, the gas detector 9 gives out an alarm, so that corresponding rescue measures are conveniently and timely taken, and safety is improved.

Claims

1. The utility model provides a natural gas throttling arrangement convenient to overhaul, includes choke valve (1), choke valve (1) both ends all are provided with the pipeline joint, its characterized in that, choke valve (1) bottom is through self-locking telescopic link (2) fixedly connected with lower casing (3), the assembly groove position of lower casing (3) both ends face bonds has rubber strip A (302), the open-top position symmetry of lower casing (3) is provided with draw-in groove (301);

the upper shell is fixedly connected with an assembly seat (8) on the upper surface of the upper shell (6), a gas detector (9) is inserted in the assembly seat (8), and rubber strips B (602) are adhered to the positions of assembly grooves on two end faces of the upper shell (6).

2. The natural gas throttling device convenient to overhaul according to claim 1, wherein clamping blocks (601) are symmetrically arranged at the opening position of the bottom of the upper shell (6), and the clamping blocks (601) of the upper shell (6) are correspondingly clamped with the clamping grooves (301) of the lower shell (3).

3. The natural gas throttling device convenient to overhaul as claimed in claim 1, wherein an observation window (7) is formed in the front position of the upper shell (6), and an acrylic plate is filled in the observation window (7) of the upper shell (6).

4. The natural gas throttling device convenient to overhaul as claimed in claim 1, wherein a sealing strip (5) is adhered to the top opening position of the lower shell (3), and the end face of the sealing strip (5) is attached to the rubber strip A (302).

5. The natural gas throttling device convenient to overhaul as claimed in claim 4, wherein the sealing strip (5) of the lower shell (3) is in inserted connection correspondence with the groove at the bottom of the upper shell (6).

6. The natural gas throttling device convenient to overhaul as claimed in claim 1, wherein the lower surface of the lower shell (3) is fixedly connected with a traction seat (10).

7. The natural gas throttling device convenient to overhaul as claimed in claim 6, wherein the front and back positions of the lower shell (3) are fixedly connected with anti-collision plates (4).