Gas pipeline plugging device

Abstract

The utility model relates to the technical field of gas pipelines, and discloses a gas pipeline plugging device which comprises a plugging mechanism, a sealing mechanism and a connecting mechanism, the surface of the plugging mechanism is provided with the connecting mechanism, the top end of the connecting mechanism is provided with the sealing mechanism, and the bottom end of the sealing mechanism is provided with the plugging mechanism; the plugging mechanism comprises a miniature inflator pump, a connecting pipe is fixedly connected to the bottom end of the miniature inflator pump, an air delivery pipe is fixedly connected to the bottom of the miniature inflator pump, a vent groove is formed in the connecting pipe, and a filling air bag is fixedly connected to the interior of the vent groove; the miniature inflator pump is provided with the air delivery pipe and the filling air bag in the connecting pipe at the bottom end for delivering air, so that the air delivery pipe can expand to fill the vent groove, the vent groove can be sealed and plugged in the connecting pipe, and the sealing performance of the whole equipment in use is improved under the action of the sealing plate; and leakage of the gas pipe caused by a layer of sealing assembly is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of gas pipelines, in particular to a gas pipeline plugging device. Background Art

[0002] The gas pipe is a special pipeline for transporting combustible gas. It is a metal gas pipe hose that replaces the traditional clip-on rubber hose. It can solve the defects of rubber hoses such as easy falling off, easy aging, easy insect bites, and short service life.

[0003] Comparison authorization number 202320160450.1 A gas pipeline plugger includes a support block, a guide rod, a first threaded rod, an extrusion rod and a clamping rod. A guide rod is fixedly connected to the left side of the bottom of the support block, and a first threaded rod is rotatably provided on the right side of the support block. An extrusion rod for sealing the gas pipeline is threadedly provided on the first threaded rod, and the extrusion rod slides on the guide rod. A clamping rod is rotatably provided at the lower end of the guide rod. It also includes a motor and a pulley assembly. A motor is installed inside the support block, and a pulley assembly is connected between the first threaded rod and the output shaft of the motor. By controlling the output shaft of the motor to reverse, the pulley assembly drives the first threaded rod to reverse, and then the extrusion rod moves downward to contact the gas pipeline to seal it, thereby achieving a quick sealing effect.

[0004] This gas pipeline plugger is configured to control the output shaft of the motor to reverse, so that the pulley assembly drives the first threaded rod to reverse, and then the extrusion rod moves downward to contact the gas pipeline to seal it, thereby achieving a rapid sealing effect. However, when the support plate is used to seal the gas pipeline, one-time sealing is prone to gas leakage, which is not convenient for providing good sealing. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a gas pipeline plugging device.

[0006] The utility model is implemented by the following technical scheme: a gas pipeline plugging device, comprising a plugging mechanism, a sealing mechanism and a connecting mechanism, the surface of the plugging mechanism is provided with a connecting mechanism, the top of the connecting mechanism is provided with a sealing mechanism, and the bottom of the sealing mechanism is provided with a plugging mechanism;

[0007] The blocking mechanism comprises a micro air pump, the bottom end of which is fixedly connected to a connecting pipe, the bottom of which is fixedly connected to an air supply pipe, a ventilation groove is provided inside the connecting pipe, and a filling air bag is provided inside the ventilation groove.

[0008] As a further improvement of the above solution, the filling airbag is connected to an air supply pipe, and the air supply pipe passes through the connecting pipe and the ventilation groove and extends into the interior of the filling airbag.

[0009] Through the above technical solution, the filling airbag is a flexible rubber capsule filled with compressed air or water medium, and the compressibility of air and the fluidity of water are used to achieve elasticity.

[0010] As a further improvement of the above scheme, the sealing mechanism includes a rotating ring, a connecting rod is fixedly connected to the right side of the rotating ring, the bottom of the rotating ring is rotatably connected to a connecting frame, the top of the connecting frame is fixedly connected to a limiting rod, the bottom end of the rotating ring is fixedly connected to a sealing plate, and the surface of the sealing plate is fixedly connected to a rubber layer.

[0011] As a further improvement of the above solution, the rubber layer is located inside the connecting pipe, the sealing plate is located inside the connecting pipe, and the connecting rod is located at the top end of the connecting frame.

[0012] Through the above technical solution, the number of limit rods is set to two, which is convenient for limiting the position of the connecting rod when it is rotated through the rotating ring, thereby preventing the sealing plate from rotating too much and affecting the sealing performance.

[0013] As a further improvement of the above scheme, the connecting mechanism includes a fixing ring, the open upper end of the fixing ring is fixedly connected to a top fixing block, the open lower end of the fixing ring is fixedly connected to a bottom fixing block, and the rear end of the fixing ring is fixedly connected to a rotating shaft.

[0014] As a further improvement of the above solution, threaded holes are correspondingly opened inside the top fixing block and the bottom fixing block, and the threaded holes are threadedly fixed by limiting threaded pins.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] The utility model uses a micro-inflator to set the air supply pipe and the filling air bag inside the connecting pipe at the bottom end to supply air, so that the air supply pipe and the filling air bag can be expanded to fill the ventilation groove, so that the ventilation groove can be sealed and blocked inside the connecting pipe. The sealing performance of the whole equipment during use is improved by cooperating with the sealing plate, and leakage of the gas pipe caused by a layer of sealing component can be avoided.

[0017] The utility model drives the sealing plate at the bottom end to rotate inside the connecting pipe by means of a rotating ring, so as to seal the gas pipe. A limiting rod at the top end is arranged on the connecting frame, so as to limit the connecting rod on the surface of the rotating ring when it is rotating. The top fixing block, the bottom fixing block and the limiting threaded pin on the front side are arranged by the fixing ring for fixing and installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2This is a schematic diagram of the anatomical structure of the connecting tube of the utility model;

[0020] Figure 3 This is a schematic diagram of the disassembly structure of the connecting pipe of the utility model;

[0021] Figure 4 This is a schematic diagram of the fixing ring structure of the utility model.

[0022] Description of main symbols:

[0023] 1. Sealing mechanism; 101. Micro air pump; 102. Connecting pipe; 103. Air pipe; 104. Ventilation groove; 105. Filling air bag; 2. Sealing mechanism; 201. Rotating ring; 202. Connecting rod; 203. Connecting frame; 204. Limiting rod; 205. Sealing plate; 206. Rubber layer; 3. Connecting mechanism; 301. Fixing ring; 302. Top fixing block; 303. Bottom fixing block; 304. Rotating shaft; 305. Limiting threaded pin. DETAILED DESCRIPTION

[0024] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0025] Example:

[0026] Please combine Figure 1-4 A gas pipeline plugging device of this embodiment includes a plugging mechanism 1, a sealing mechanism 2 and a connecting mechanism 3. The connecting mechanism 3 is arranged on the surface of the plugging mechanism 1, the sealing mechanism 2 is arranged on the top of the connecting mechanism 3, and the plugging mechanism 1 is arranged on the bottom of the sealing mechanism 2;

[0027] The sealing mechanism 1 includes a micro air pump 101, the bottom end of which is fixedly connected to a connecting pipe 102, the bottom of which is fixedly connected to a gas pipe 103, a ventilation groove 104 is provided inside the connecting pipe 102, a filling air bag 105 is provided inside the ventilation groove 104, and gas is supplied through the gas pipe 103 and the filling air bag 105 inside the connecting pipe 102 at the bottom end of the micro air pump 101 to expand and fill the ventilation groove 104, so that the ventilation groove 104 can be sealed and blocked inside the connecting pipe 102, and the sealing performance of the overall equipment during use is improved by cooperating with the sealing plate 205 to avoid leakage of the gas pipe by a layer of sealing components.

[0028] The filling airbag 105 is in communication with the air delivery pipe 103 , and the air delivery pipe 103 passes through the connecting pipe 102 and the ventilation groove 104 and extends into the interior of the filling airbag 105 .

[0029] The filling airbag 105 is a flexible rubber capsule filled with compressed air or water medium, which utilizes the compressibility of air and the fluidity of water to achieve elasticity.

[0030] The sealing mechanism 2 includes a rotating ring 201, a connecting rod 202 is fixedly connected to the right side of the rotating ring 201, a connecting frame 203 is rotatably connected to the bottom of the rotating ring 201, a limiting rod 204 is fixedly connected to the top of the connecting frame 203, a sealing plate 205 is fixedly connected to the bottom end of the rotating ring 201, and a rubber layer 206 is fixedly connected to the surface of the sealing plate 205. The rotating ring 201 is arranged to drive the sealing plate 205 at the bottom to rotate inside the connecting pipe 102, so as to facilitate the sealing of the gas pipe. The limiting rod 204 at the top end is arranged by the connecting frame 203 to limit the connecting rod 202 on the surface of the rotating ring 201 when it rotates.

[0031] The rubber layer 206 is located inside the connecting tube 102 , the sealing plate 205 is located inside the connecting tube 102 , and the connecting rod 202 is located at the top end of the connecting frame 203 .

[0032] The number of the limiting rods 204 is set to two, so as to limit the position of the connecting rod 202 when it is rotated through the rotating ring 201, so as to prevent the sealing plate 205 from rotating too much and affecting the sealing performance.

[0033] The connecting mechanism 3 includes a fixing ring 301, the open upper end of the fixing ring 301 is fixedly connected to a top fixing block 302, the open lower end of the fixing ring 301 is fixedly connected to a bottom fixing block 303, and the rear end of the fixing ring 301 is fixedly connected to a rotating shaft 304. The fixing ring 301 is fixed and installed by setting the top fixing block 302, the bottom fixing block 303 and the limiting threaded pin 305 on the front side.

[0034] The top fixing block 302 and the bottom fixing block 303 are provided with threaded holes correspondingly, and the threaded holes are threadedly fixed by limiting threaded pins 305 .

[0035] The implementation principle of a gas pipeline plugger in the embodiment of the present application is as follows: the device is placed in a suitable position, and air is supplied to the filling airbag 105 inside the connecting tube 102 through the micro air pump 101 and the air supply pipe 103, so that the expanded filling airbag 105 seals and blocks the ventilation groove 104 inside the connecting tube 102, and the sealing performance of the device is improved during overall use by cooperating with the sealing plate 205, so as to avoid leakage of the gas pipe by a layer of sealing components, and the sealing plate 205 at the bottom end is driven to rotate inside the connecting tube 102 by the rotating ring 201 to facilitate the plugging of the gas pipe, and the connecting rod 202 on the surface of the rotating ring 201 is limited during rotation by the limiting rod 204 set at the top of the connecting frame 203, and the top fixing block 302, the bottom fixing block 303 and the limiting threaded pin 305 on the front are fixed and installed by the fixing ring 301.

[0036] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A gas pipeline plugging device, characterized in that: It comprises a blocking mechanism (1), a sealing mechanism (2) and a connecting mechanism (3), wherein the connecting mechanism (3) is arranged on the surface of the blocking mechanism (1), the sealing mechanism (2) is arranged on the top of the connecting mechanism (3), and the blocking mechanism (1) is arranged on the bottom of the sealing mechanism (2); The blocking mechanism (1) comprises a micro air pump (101), the bottom end of the micro air pump (101) is fixedly connected to a connecting pipe (102), the bottom of the micro air pump (101) is fixedly connected to an air delivery pipe (103), a ventilation groove (104) is provided inside the connecting pipe (102), and a filling air bag (105) is provided inside the ventilation groove (104).

2. A gas pipeline plugging device as claimed in claim 1, characterized in that: The filling airbag (105) is in communication with the air delivery pipe (103), and the air delivery pipe (103) passes through the connecting pipe (102) and the ventilation groove (104) and extends into the interior of the filling airbag (105).

3. A gas pipeline plugging device as claimed in claim 1, characterized in that: The sealing mechanism (2) comprises a rotating ring (201), the right side of the rotating ring (201) is fixedly connected to a connecting rod (202), the bottom of the rotating ring (201) is rotatably connected to a connecting frame (203), the top of the connecting frame (203) is fixedly connected to a limiting rod (204), the bottom end of the rotating ring (201) is fixedly connected to a sealing plate (205), and the surface of the sealing plate (205) is fixedly connected to a rubber layer (206).

4. A gas pipeline plugging device as claimed in claim 3, characterized in that: The rubber layer (206) is located inside the connecting tube (102), the sealing plate (205) is located inside the connecting tube (102), and the connecting rod (202) is located at the top end of the connecting frame (203).

5. A gas pipeline plugging device as claimed in claim 1, characterized in that: The connection mechanism (3) comprises a fixing ring (301), the upper open end of the fixing ring (301) is fixedly connected to a top fixing block (302), the lower open end of the fixing ring (301) is fixedly connected to a bottom fixing block (303), and the rear end of the fixing ring (301) is fixedly connected to a rotating shaft (304).

6. A gas pipeline plugging device as claimed in claim 5, characterized in that: The top fixing block (302) and the bottom fixing block (303) are provided with threaded holes correspondingly therein, and the threaded holes are threadedly fixed by means of limiting threaded pins (305).

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