CN219013620U

CN219013620U - Leakage-proof steel gas pipeline joint

Info

Publication number: CN219013620U
Application number: CN202320118668.0U
Authority: CN
Inventors: 杨超; 陈国友
Original assignee: Nanjing Antuda Municipal Engineering Co ltd
Current assignee: Nanjing Antuda Municipal Engineering Co ltd
Priority date: 2023-02-06
Filing date: 2023-02-06
Publication date: 2023-05-12
Anticipated expiration: 2033-02-06

Abstract

The utility model relates to a leakage-proof steel gas pipeline joint, which comprises a connecting pipe, wherein a butt joint structure is arranged outside the connecting pipe, a fixing structure is arranged outside the connecting pipe, the butt joint structure comprises two mounting pipe sleeves, opposite sides of the two mounting pipe sleeves are fixedly connected with the left side and the right side of the connecting pipe respectively, butt joint pipes with one ends penetrating through and extending to the outside are embedded in the two mounting pipe sleeves, two first sealing rings are fixedly arranged on the outer surfaces of the two butt joint pipes, flanges are fixedly arranged on the outer surfaces of the two mounting pipe sleeves, second sealing rings are fixedly arranged on the opposite sides of the two flanges, and a valve is fixedly arranged on the back surface of the connecting pipe. This steel gas pipeline joint who prevents leaking has reached the purpose of carrying out sealed installation to two butt joint pipes through being provided with butt joint structure, prevents effectively that gas from leaking, has improved gas pipeline's installation effectiveness.

Description

Leakage-proof steel gas pipeline joint

Technical Field

The utility model relates to the technical field of gas pipeline joints, in particular to a leakage-proof steel gas pipeline joint.

Background

The gas pipeline is a special pipeline for conveying combustible gas, is a necessary conveying mode for enabling the gas to be used by urban residents and industrial enterprises, in the process of conveying the gas in a long distance, a plurality of gas pipelines are required to be connected, a pipeline joint is generally known to be an essential connecting piece in the process of paving the gas pipeline and is used for carrying out sealing connection on two gas pipelines, if the sealing performance of the pipeline joint is poor, gas leakage is caused, a large safety accident can be caused, and due to the fact that the municipal gas pipeline is large in size, time and labor are wasted particularly when the two gas pipelines are connected, and therefore the reliability and the practicability requirements of the pipeline joint are extremely high.

According to the municipal gas pipeline with the embedded reinforcement joint that the patent of publication number CN207364501U proposed, this municipal gas pipeline with embedded reinforcement joint realizes the connection to many gas pipelines through the embedded reinforcement joint that gas pipeline itself was taken, compare with traditional gas pipeline connection, have the advantage of being connected simply, reduce part and firm in connection, but this municipal gas pipeline with embedded reinforcement joint can't seal the fixed to two gas pipelines of butt joint simultaneously, the installation effectiveness of gas pipeline has been reduced, and the bolt exposes outside, corrode easily and rust, inconvenient dismantlement, so propose a steel gas pipeline joint of preventing leaking to solve above-mentioned problem.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a leakage-proof steel gas pipeline joint which has the advantage of sealing and fixing two butted gas pipelines at the same time, and solves the problems that the municipal gas pipeline with the embedded reinforcement joint cannot fix the two butted gas pipelines at the same time, the installation efficiency of the gas pipeline is reduced, and bolts are exposed, easy to corrode and rust and inconvenient to detach.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the steel gas pipeline joint comprises a connecting pipe, wherein a butt joint structure is arranged outside the connecting pipe, and a fixing structure is arranged outside the connecting pipe;

the butt joint structure comprises two mounting pipe sleeves, wherein opposite sides of the mounting pipe sleeves are fixedly connected with the left side and the right side of a connecting pipe respectively, one end of each mounting pipe sleeve is embedded into the butt joint pipe which penetrates through and extends to the outer side of the corresponding mounting pipe sleeve, two first sealing rings are fixedly mounted on the outer surfaces of the corresponding mounting pipe sleeves, flanges are fixedly mounted on the outer surfaces of the mounting pipe sleeves, second sealing rings are fixedly mounted on opposite sides of the flanges, a valve is fixedly mounted on the back of the connecting pipe, and a fixing hook is fixedly mounted on the opposite sides of the corresponding mounting pipe sleeves.

Further, the fixed knot constructs including the shell, the top fixed connection of bottom and connecting pipe of shell, movable storehouse has all been seted up to the left and right sides of shell, the inside rotation of shell is installed one end and is run through and extend to its outside movable rod, the surface fixed mounting of movable rod has horizontal gear, two the inside of movable storehouse is all installed one end and is run through and extend to its outside sleeve, two the top and the bottom of sleeve are all fixed mounting have the slider, the inside rotation of shell is installed two one ends and is run through and extend to the inside threaded rod of sleeve, two the surface of threaded rod is all fixed mounting has vertical gear, the surface of horizontal gear meshes with the surface of two vertical gears respectively.

Further, the mounting groove is formed in the outer surface of the flange, and the size of the mounting groove is matched with the size of the fixing hook.

Further, the two butt joint pipes are symmetrically distributed on the left side and the right side when seen from the front.

Further, a rotating seat is fixedly arranged on the inner bottom wall of the shell, and the inner surface of the rotating seat is rotationally connected with the bottom of the movable rod.

Further, the inner top wall and the inner bottom wall of the movable bin are respectively provided with a sliding groove, and the inner surfaces of the two sliding grooves are respectively in sliding connection with the outer surfaces of the two sliding blocks.

Further, the inside of sleeve has offered the screw hole, telescopic internal surface and the surface threaded connection of threaded rod.

Further, the outer surface of the sleeve is fixedly provided with a connecting hook, and the outer surface of the connecting hook is embedded with the outer surface of the fixed hook.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this steel gas pipeline joint who prevents leaking has reached the purpose of carrying out sealed installation to two butt joint pipes through being provided with the butt joint structure, effectively prevents that gas from leaking, has improved gas pipeline's installation effectiveness, through being provided with fixed knot constructs, plays the effect of fixing two butt joint pipes, and the threaded rod can not expose in the outside, can not corrode and rust, conveniently dismantles.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a bottom cross-sectional view of the structure of FIG. 1 of the present utility model;

fig. 3 is a right side view of the structural flange of the present utility model.

In the figure: 1 connecting pipe, 2 butt joint structure, 201 installation pipe sleeve, 202 butt joint pipe, 203 first sealing ring, 204 flange, 205 second sealing ring, 206 valve, 207 fixed hook, 3 fixed structure, 301 shell, 302 movable bin, 303 movable rod, 304 transverse gear, 305 sleeve, 306 slide block, 307 threaded rod, 308 vertical gear.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one: referring to fig. 2-3, a leak-proof steel gas pipe joint in this embodiment includes a connecting pipe 1, a butt joint structure 2 is provided outside the connecting pipe 1, a fixing structure 3 is provided outside the connecting pipe 1, the butt joint structure 2 includes two mounting sleeves 201, and opposite sides of the two mounting sleeves 201 are fixedly connected with left and right sides of the connecting pipe 1 respectively.

In this embodiment, the inside of the two mounting sleeves 201 is embedded with the butt joint pipe 202 with one end penetrating and extending to the outside thereof, the two butt joint pipes 202 are symmetrically distributed on the left and right sides when seen from the front through the mounting sleeves 201, the outer surfaces of the two butt joint pipes 202 are fixedly provided with two first sealing rings 203, the contact surfaces of the mounting sleeves 201 and the butt joint pipes 202 are sealed, the outer surfaces of the two mounting sleeves 201 are fixedly provided with flanges 204, the opposite sides of the two flanges 204 are fixedly provided with second sealing rings 205, the contact surfaces of the butt joint pipes 202 and the flanges 204 are sealed, the back of the connecting pipe 1 is fixedly provided with a valve 206, and the opposite sides of the two butt joint pipes 202 are fixedly provided with fixing hooks 207 to fix the butt joint pipes 202.

Wherein, the mounting groove has been seted up to flange 204 surface, and the size of mounting groove and the size looks adaptation of fixation hook 207, convenient installation of fixation hook 207.

Specifically, two butt joint pipes 202 are respectively inserted into two installation pipe sleeves 201, the contact surfaces of the installation pipe sleeves 201 and the butt joint pipes 202 are sealed through two first sealing rings 203, the butt joint pipes 202 and the flange 204 are installed through fixing hooks 207, the contact surfaces of the butt joint pipes 202 and the flange 204 are sealed through second sealing rings 205, gas leakage is effectively prevented, and the installation efficiency of a gas pipeline is improved.

Embodiment two: referring to fig. 1, on the basis of the first embodiment, the fixing structure 3 includes a housing 301, the bottom of the housing 301 is fixedly connected with the top of the connecting tube 1, movable bins 302 are respectively provided on the left and right sides of the housing 301, a movable rod 303 with one end penetrating and extending to the outside is rotatably mounted in the housing 301, the movable rod 303 is rotated by a wrench, a transverse gear 304 is fixedly mounted on the outer surface of the movable rod 303, and the movable rod 303 drives the transverse gear 304 to rotate.

In this embodiment, the two movable bins 302 are slidably provided with sleeves 305 with one ends penetrating and extending to the outside thereof, the fixed hooks 207 are fixed, the top and the bottom of the two sleeves 305 are fixedly provided with sliding blocks 306, the sleeves 305 are convenient to move, the two threaded rods 307 with one ends penetrating and extending to the inside of the sleeves 305 are rotatably installed in the casing 301, the sleeves 305 are driven to move, the vertical gears 308 are fixedly installed on the outer surfaces of the two threaded rods 307, the threaded rods 307 are driven to rotate, and the outer surfaces of the transverse gears 304 are respectively meshed with the outer surfaces of the two vertical gears 308.

Wherein, the inner bottom wall of the outer shell 301 is fixedly provided with a rotating seat, and the inner surface of the rotating seat is rotationally connected with the bottom of the movable rod 303, thereby facilitating the rotation of the movable rod 303.

The inner top wall and the inner bottom wall of the movable bin 302 are provided with sliding grooves, and the inner surfaces of the two sliding grooves are respectively connected with the outer surfaces of the two sliding blocks 306 in a sliding manner, so that the sliding blocks 306 are convenient to install.

Wherein, the inside of sleeve 305 has seted up the screw hole, and the internal surface of sleeve 305 and the surface threaded connection of threaded rod 307 make things convenient for sleeve 305's installation.

Wherein, the outer surface of sleeve 305 is all fixed with the coupling hook, and the outer surface of coupling hook and the outer surface of fixation hook 207 jogged mutually, conveniently fix fixation hook 207.

Specifically, the fixed hook 207 is abutted with the connecting hook, the movable rod 303 is rotated by a wrench, and the two vertical gears 308 and the two threaded rods 307 are driven to rotate by the transverse gears 304, so that the two sleeves 305 move to opposite sides by the sliding blocks 306, the fixed hook 207 is fixed, the two butt joints 202 are fixed, the threaded rods 307 are not exposed to the outside, do not corrode and rust, and are convenient to detach.

The working principle of the embodiment is as follows:

(1) When two gas pipelines are installed through joints, the two butt joint pipes 202 are respectively inserted into the two installation pipe sleeves 201, the contact surfaces of the installation pipe sleeves 201 and the butt joint pipes 202 are sealed through the two first sealing rings 203, the butt joint pipes 202 and the flange 204 are installed through the fixing hooks 207, and the contact surfaces of the butt joint pipes 202 and the flange 204 are sealed through the second sealing rings 205.

(2) The fixed hook 207 is abutted with the connecting hook, the movable rod 303 is rotated by a spanner, and the two vertical gears 308 and the two threaded rods 307 are driven to rotate by the transverse gears 304, so that the two sleeves 305 move to opposite sides by the sliding blocks 306, the fixed hook 207 is fixed, and the two butt pipes 202 are fixed.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a steel gas pipeline joint of leak protection, includes connecting pipe (1), its characterized in that: the outer part of the connecting pipe (1) is provided with a butt joint structure (2), and the outer part of the connecting pipe (1) is provided with a fixing structure (3);

the butt joint structure (2) comprises two mounting pipe sleeves (201), opposite sides of the two mounting pipe sleeves (201) are fixedly connected with the left side and the right side of a connecting pipe (1) respectively, a butt joint pipe (202) with one end penetrating through and extending to the outside is embedded in the two mounting pipe sleeves (201), two first sealing rings (203) are fixedly mounted on the outer surfaces of the two butt joint pipes (202), flanges (204) are fixedly mounted on the outer surfaces of the two mounting pipe sleeves (201), second sealing rings (205) are fixedly mounted on opposite sides of the two flanges (204), a valve (206) is fixedly mounted on the back of the connecting pipe (1), and a fixing hook (207) is fixedly mounted on the opposite sides of the two butt joint pipes (202).

2. A leak-proof steel gas pipe joint as defined in claim 1, wherein: the fixed structure (3) comprises a shell (301), the bottom of the shell (301) is fixedly connected with the top of a connecting pipe (1), movable bins (302) are respectively arranged at the left side and the right side of the shell (301), movable rods (303) with one ends penetrating through and extending to the outer sides are rotatably arranged in the shell (301), transverse gears (304) are fixedly arranged on the outer surfaces of the movable rods (303), sleeves (305) with one ends penetrating through and extending to the outer sides of the movable bins (302) are respectively and slidably arranged in the movable bins (302), sliding blocks (306) are fixedly arranged at the top and the bottom of the sleeves (305), threaded rods (307) with two ends penetrating through and extending to the inner sides of the sleeves (305) are rotatably arranged in the shell (301), vertical gears (308) are fixedly arranged on the outer surfaces of the threaded rods (307), and the outer surfaces of the transverse gears (304) are respectively meshed with the outer surfaces of the two vertical gears (308).

3. A leak-proof steel gas pipe joint as defined in claim 1, wherein: the outer surface of the flange (204) is provided with a mounting groove, and the size of the mounting groove is matched with the size of the fixing hook (207).

4. A leak-proof steel gas pipe joint as defined in claim 1, wherein: the two butt joint pipes (202) are symmetrically distributed on the left and the right sides when seen from the front.

5. A leak-proof steel gas pipe joint as defined in claim 2, wherein: the inner bottom wall of the shell (301) is fixedly provided with a rotating seat, and the inner surface of the rotating seat is rotationally connected with the bottom of the movable rod (303).

6. A leak-proof steel gas pipe joint as defined in claim 2, wherein: sliding grooves are formed in the inner top wall and the inner bottom wall of the movable bin (302), and the inner surfaces of the two sliding grooves are respectively connected with the outer surfaces of the two sliding blocks (306) in a sliding mode.

7. A leak-proof steel gas pipe joint as defined in claim 2, wherein: threaded holes are formed in the sleeve (305), and the inner surface of the sleeve (305) is in threaded connection with the outer surface of the threaded rod (307).

8. A leak-proof steel gas pipe joint as defined in claim 2, wherein: the outer surfaces of the sleeves (305) are fixedly provided with connecting hooks, and the outer surfaces of the connecting hooks are embedded with the outer surfaces of the fixing hooks (207).