阅读说明：本技术 燃气管道不停输封堵供气装置 (Gas supply device for blocking gas pipeline without stopping delivery ) 是由 李占峰 于 2021-02-03 设计创作，主要内容包括：本发明公开了一种燃气管道不停输封堵供气装置,包括圆柱形堵头和调节杆,堵头的外壁设有外螺纹；堵头套设于调节杆上,调节杆的一端固定套设有橡胶密封垫；在堵头上还开设有旁通进气口,旁通进气口的一端与堵头的侧壁连通,旁通进气口的另一端与堵头靠近橡胶密封垫的一端连通。本发明结构简单,使用方便,当天然气主管线或连接管需要维修时,打开三通顶部的盲板,将调节杆设有橡胶密封垫的一端向下从三通伸入,将堵头旋入三通顶部的通孔内固定,旋转调节杆,将调节杆向下伸入到连接管内,利用橡胶密封垫实现连接管的密封；而后将移动供气车的供气管与螺纹进气管连接,即可为用户供气,避免了传统采用停气维修给用户造成的损失。(The invention discloses a gas supply device for a gas pipeline for blocking without stopping delivery, which comprises a cylindrical plug and an adjusting rod, wherein the outer wall of the plug is provided with external threads; the plug is sleeved on the adjusting rod, and one end of the adjusting rod is fixedly sleeved with a rubber sealing gasket; and a bypass air inlet is also formed in the plug, one end of the bypass air inlet is communicated with the side wall of the plug, and the other end of the bypass air inlet is communicated with one end, close to the rubber sealing gasket, of the plug. The natural gas main pipeline or the connecting pipe is simple in structure and convenient to use, when the natural gas main pipeline or the connecting pipe needs to be maintained, the blind plate at the top of the tee joint is opened, one end, provided with the rubber sealing gasket, of the adjusting rod extends downwards from the tee joint, the plug is screwed into the through hole at the top of the tee joint for fixing, the adjusting rod is rotated, the adjusting rod extends downwards into the connecting pipe, and the rubber sealing gasket is utilized to seal the connecting pipe; then will remove the air supply pipe and the threaded air inlet pipe connection of air feed car, can be for the user air feed, avoided the tradition to adopt the loss that the maintenance of stopping the gas caused for the user.)

1. The blocking and air supplying device for the gas pipeline without stopping transmission is characterized by comprising a cylindrical plug and an adjusting rod, wherein the outer wall of the plug is provided with external threads; the plug is provided with a through hole along the direction of the central shaft, the plug is sleeved on the adjusting rod through the through hole, and one end of the adjusting rod is fixedly sleeved with a rubber sealing gasket; the plug is also provided with a bypass air inlet, one end of the bypass air inlet is communicated with the side wall of the plug, and the other end of the bypass air inlet is communicated with one end, close to the rubber sealing gasket, of the plug.

2. The non-stop plugging gas supply device for the gas pipeline according to claim 1, wherein an inner thread and an outer thread are respectively and correspondingly arranged on the outer wall of one end of the through hole and the outer wall of one end of the adjusting rod, and the plug is in threaded connection with the adjusting rod.

3. The non-stop plugging gas supply device for the gas pipeline according to claim 1, wherein an annular groove is further formed in the through hole, an O-shaped sealing ring is arranged in the annular groove, and the adjusting rod is connected with the plug in a sealing manner through the O-shaped sealing ring.

4. The non-stop plugging gas supply device for the gas pipeline according to claim 1, wherein a threaded gas inlet pipe communicated with the bypass gas inlet is integrally arranged on the outer wall of the plug.

5. The non-stop blocking and gas supplying device for the gas pipeline according to claim 1, wherein the rubber sealing gasket is sleeved on the adjusting rod, the adjusting rods on two sides of the rubber sealing gasket are respectively sleeved with an annular pressing plate and a nut, the annular pressing plate is fixedly sleeved in the annular positioning groove of the adjusting rod, and the rubber sealing gasket is fixed through the annular pressing plate and the nut.

6. The non-stop plugging gas supply device for the gas pipeline according to claim 1, further comprising a rubber protection cover, wherein an internal thread corresponding to the external thread of the plug is arranged inside the rubber protection cover, and the rubber sealing cover covers the end of the adjusting rod far away from the rubber sealing gasket and is in threaded connection with the plug.

The technical field is as follows:

the invention relates to a plugging device, in particular to a gas supply device for plugging a gas pipeline without stopping delivery.

Background art:

in the natural gas conveying process, a main pipeline is laid underground, when a user enters the natural gas conveying process, as shown in figure 1, a connecting pipe communicated with the main pipeline is vertically buried outdoors, the connecting pipe is turned upwards to the ground from the underground, one end, turned upwards to the ground, of the connecting pipe is connected with a tee joint, the top of the tee joint is plugged through a blind plate, and an outlet in the middle of the tee joint is communicated with a service pipe.

Because of factors such as ground settlement, temperature change, corrosion and the like, the natural gas main pipeline and the connecting pipe inevitably have gas leakage, once dangerous situations occur, the maintenance is required in time, and the maintenance is carried out in the way of stopping gas in the past, so that the loss is caused to users; especially in the winter heating season in the north, the heat pump system can cause huge loss to users. Therefore, a plugging air supply device capable of continuously delivering air is required to be developed, so that the rights and interests of users are fundamentally guaranteed.

The invention content is as follows:

in order to solve the technical problems, the invention aims to provide a gas supply device for plugging a gas pipeline without stopping delivery.

The invention is implemented by the following technical scheme: the gas pipeline non-stop plugging gas supply device comprises a cylindrical plug and an adjusting rod, wherein the outer wall of the plug is provided with an external thread; the plug is provided with a through hole along the direction of the central shaft, the plug is sleeved on the adjusting rod through the through hole, and one end of the adjusting rod is fixedly sleeved with a rubber sealing gasket; the plug is also provided with a bypass air inlet, one end of the bypass air inlet is communicated with the side wall of the plug, and the other end of the bypass air inlet is communicated with one end, close to the rubber sealing gasket, of the plug.

Furthermore, the inner end of the through hole and the outer wall of the end of the adjusting rod are correspondingly provided with an internal thread and an external thread respectively, and the plug is in threaded connection with the adjusting rod.

Furthermore, an annular groove is formed in the through hole, an O-shaped sealing ring is arranged in the annular groove, and the adjusting rod is connected with the plug in a sealing mode through the O-shaped sealing ring.

Furthermore, a threaded air inlet pipe communicated with the bypass air inlet is integrally arranged on the outer wall of the plug.

Further, the rubber sealing gasket cover is established on the regulation pole the cover is equipped with annular clamp plate and nut respectively on the regulation pole of rubber sealing gasket both sides, the fixed cover of annular clamp plate is established in the annular positioning groove of regulation pole, rubber sealing gasket passes through annular clamp plate and nut is fixed.

Further, it still includes the rubber safety cover, the inside internal thread that corresponds with the end cap external screw thread that is equipped with of rubber safety cover, the rubber sealing boot cover is established adjust the pole and keep away from rubber sealing pad's one end, and threaded connection in on the end cap.

The invention has the advantages that: the natural gas main pipeline or the connecting pipe is simple in structure and convenient to use, when leakage occurs and maintenance is needed when the natural gas main pipeline or the connecting pipe is needed, only the blind plate at the top of the tee joint needs to be opened, one end of the adjusting rod, which is provided with the rubber sealing gasket, extends downwards from the tee joint, the plug is screwed into the through hole at the top of the tee joint for fixing, the adjusting rod is rotated, the adjusting rod extends downwards into the connecting pipe, and the rubber sealing gasket is utilized to realize sealing of the connecting pipe; then will remove the air supply pipe and the threaded air inlet pipe connection of air feed car, can be for the user air feed, avoided the tradition to adopt the loss that the maintenance of stopping the gas caused for the user.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of the connection of a connection pipe and a service pipe;

FIG. 2 is a schematic diagram of the present invention.

In the figure: the device comprises a plug 1, an adjusting rod 2, a rubber sealing gasket 3, a bypass air inlet 4, an O-shaped sealing ring 5, a threaded air inlet pipe 6, an annular pressing plate 7, a positioning groove 8, a nut 9, a rubber protection cover 10, a connecting pipe 11, a service pipe 12 and a tee joint 13.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The gas supply device for blocking a gas pipeline without stopping delivery comprises a cylindrical plug 1 and an adjusting rod 2, wherein the outer wall of the plug 1 is provided with external threads; the plug 1 is provided with a through hole along the direction of a central shaft, the plug 1 is sleeved on the adjusting rod 2 through the through hole, and one end of the adjusting rod 2 is fixedly sleeved with the rubber sealing gasket 3; a bypass air inlet 4 is further formed in the plug 1, one end of the bypass air inlet 4 is communicated with the side wall of the plug, and the other end of the bypass air inlet 4 is communicated with one end, close to the rubber sealing gasket 3, of the plug 1.

The inner end of the through hole and the outer wall of the one end of the adjusting rod 2 are correspondingly provided with an internal thread and an external thread respectively, and the plug 1 is in threaded connection with the adjusting rod 2.

An annular groove is further formed in the through hole, an O-shaped sealing ring 5 is arranged in the annular groove, and the adjusting rod 2 is in sealing connection with the plug 1 through the O-shaped sealing ring 5.

The outer wall of the plug 1 is integrally provided with a threaded air inlet pipe 6 communicated with the bypass air inlet 4.

The rubber sealing gasket 3 is sleeved on the adjusting rod 2, the adjusting rods 2 on the two sides of the rubber sealing gasket 3 are respectively sleeved with an annular pressing plate 7 and a nut 9, the annular pressing plate 7 is fixedly sleeved in an annular positioning groove 8 of the adjusting rod 2, and the rubber sealing gasket 3 is fixed through the annular pressing plate 7 and the nut 9.

As a specific implementation mode, the device further comprises a rubber protection cover 10, wherein an internal thread corresponding to the external thread of the plug 1 is arranged inside the rubber protection cover 10, and the rubber sealing cover is covered at one end, far away from the rubber sealing gasket 3, of the adjusting rod 2 and is in threaded connection with the plug 1.

The working principle is as follows:

when the natural gas main pipeline or the connecting pipe 11 is leaked and needs to be maintained, a blind plate at the top of the tee joint 13 is opened, one end, provided with the rubber sealing gasket 3, of the adjusting rod 2 extends downwards from the tee joint 13, a plug is screwed into a through hole at the top of the tee joint 13 for fixing, the adjusting rod 2 is rotated, the adjusting rod 2 extends downwards into the connecting pipe 11, and the rubber sealing gasket 3 is used for sealing the connecting pipe 11;

then, a rubber protective cover 10 is sleeved on the top of the plug 1 to prevent natural gas from overflowing from a gap between the plug 1 and the adjusting rod 2 during gas supply;

the air supply pipe of the mobile air supply vehicle is connected with the threaded air inlet pipe 6, so that air is supplied to users, and the loss of the users caused by air stopping maintenance in the traditional method is avoided.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.