CN219796477U - Gas pipeline connecting bolt convenient to disassemble - Google Patents

Gas pipeline connecting bolt convenient to disassemble Download PDF

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Publication number
CN219796477U
CN219796477U CN202321058364.6U CN202321058364U CN219796477U CN 219796477 U CN219796477 U CN 219796477U CN 202321058364 U CN202321058364 U CN 202321058364U CN 219796477 U CN219796477 U CN 219796477U
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CN
China
Prior art keywords
column casing
piston
sealing
annular covers
sealing ring
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Application number
CN202321058364.6U
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Chinese (zh)
Inventor
王金龙
陈梓楠
张朝兵
谭波文
周俭春
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Hunan Qusu Medical Technology Co ltd
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Hunan Qusu Medical Technology Co ltd
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Priority to CN202321058364.6U priority Critical patent/CN219796477U/en
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Publication of CN219796477U publication Critical patent/CN219796477U/en
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Abstract

The utility model discloses a gas pipeline connecting bolt convenient to detach, which relates to the technical field of gas pipeline connection and comprises two annular covers, wherein the two annular covers are rotationally connected through a hinge piece, and the mouth parts of the two annular covers are in dynamic sealing involution; the hinge piece comprises a column casing, a push rod, a spring and a piston, wherein the column casing is rotatably arranged on the central shafts of the two annular covers in a penetrating mode through a sealing ring, the piston is arranged in the column casing in a sealing sliding mode, an oil cavity is formed between the piston and one end of the column casing, the push rod is fixedly connected with the piston, the push rod is arranged at the first end of the column casing in a sealing sliding mode, the spring is arranged between the second end of the column casing and the piston in a compressing mode, and a plurality of oil holes are formed in the side wall of the column casing, located at the sealing ring. This gas piping connecting bolt convenient to dismantle rotates through two annular covers and connects and to adjust the gas-supply and go out the air direction, presses the push rod and makes lubricating oil flow through the oilhole, and the sealing washer can reduce wearing and tearing under the effect of lubricant.

Description

Gas pipeline connecting bolt convenient to disassemble
Technical Field
The utility model relates to the technical field of gas pipeline connection, in particular to a gas pipeline connection bolt convenient to detach.
Background
In the field of machinery, pipe connections are a common type of mechanical structure that requires sealing of pipe connections when gas or liquid needs to be circulated within the pipe. The common pipe fitting connection mode is threaded connection and needs to be sealed, and the common practice is to process an O-shaped ring groove and seal through an O-shaped ring.
For example, chinese patent with publication number CN208237270U, named gas pipeline connection sealing device, comprises pipe fitting and sealing element; the pipe fitting comprises a sealing section and two connecting sections, the two connecting sections are respectively positioned at two ends of the pipe fitting, and the sealing section is positioned between the two connecting sections; threads corresponding to threads on the two gas pipelines to be connected and close to the end parts are respectively arranged on the inner walls of the two connecting sections, and the pipe fitting can be arranged on the outer walls of the end parts of the two gas pipelines to be connected through the threads on the inner walls of the two connecting sections so as to connect the end parts of the two gas pipelines to be connected; the sealing element is tubular, the sealing element is arranged on the inner wall of the sealing section, the outer wall of the sealing element is attached to the inner wall of the sealing section, and the inner wall of the sealing element is attached to the outer walls of the two ends of the gas pipeline to be connected.
The gas pipeline connecting and sealing device in the patent is practical and convenient, but has the defects that the connecting direction of a gas pipeline is fixed and the gas conveying direction cannot be changed; the two sealing elements are easy to wear, so that the sealing elements are damaged, and therefore, the frequent addition of lubricant is needed, and the abrasion to the sealing elements is reduced.
Disclosure of Invention
The utility model aims to provide a gas pipeline connecting bolt convenient to detach, so as to solve the defects in the prior art.
In order to achieve the above object, the present utility model provides the following technical solutions: the gas pipeline connecting bolt convenient to detach is characterized by comprising two annular covers, wherein the two annular covers are rotationally connected through a hinge piece, and the mouth parts of the two annular covers are in dynamic sealing involution; the hinge piece comprises a column casing, a push rod, a spring and a piston, wherein the column casing is rotatably arranged on the central shafts of the two annular covers in a penetrating mode through a sealing ring, the piston is arranged in the column casing in a sliding mode in a sealing mode, an oil cavity is formed between the piston and one end of the column casing, lubricating oil is filled in the oil cavity, the push rod is fixedly connected with the piston in a sliding mode and penetrates through the first end of the column casing in a sliding mode, the spring is arranged between the second end of the column casing and the piston in a compressing mode, a plurality of oil holes are formed in the positions, located on the side walls of the column casing, of the sealing ring, and elastic force of the spring is released to enable the piston to isolate the oil holes from the oil cavity.
Further, the two annular covers are integrally formed or screwed with the corresponding air pipes.
Further, the cross section of each sealing ring is annular, and the vertical section is I-shaped.
Further, a sealing ring is provided between the mouths of the two annular caps.
Further, a conveying pipe for conveying lubricating oil is communicated with part of the oil holes, and the other end of the conveying pipe extends to the sealing ring.
Further, a jack is arranged on the peripheral side face of the bottom end of the column casing, and the bolt is in plug-in fit with the jack.
Further, threads are arranged on the peripheral side surfaces of the two ends of the column casing, and the bolts are connected with the column casing through the threads.
Compared with the prior art, the utility model has the beneficial effects that: this gas piping connecting bolt convenient to dismantle, in the gas pipe conveying gas gets into the annular lid, dynamic seal involutes between the oral area of two annular lids and forms the conveying channel, rotates through the articulated elements between two annular lids and is connected, adjustable tracheal gas flow direction makes lubricating oil flow through the oilhole through pressing the push rod, and the sealing washer reducible wearing and tearing under the effect of lubricating oil have improved the durability of sealing washer.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a front cross-sectional view of an embodiment of the present utility model;
FIG. 2 is an enlarged view of a partial structure according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a partial structure according to an embodiment of the present utility model;
fig. 4 is a schematic diagram of an overall structure according to an embodiment of the present utility model.
Reference numerals illustrate: 1. an air pipe; 2. an annular cover; 3. a seal ring; 4. a column casing; 5. a push rod; 6. an oil chamber; 7. a spring; 8. an oil hole; 9. a piston; 10. a jack; 11. a delivery tube; 12. and (3) a sealing ring.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
Referring to fig. 1-4, the embodiment of the present utility model provides a technical solution: the gas pipeline connecting bolt convenient to detach comprises two annular covers 2, the two annular covers 2 are rotationally connected through a hinge, dynamic seal is closed between the opening parts of the two annular covers 2, specifically, the two annular covers 2 are integrally formed with the corresponding gas pipes 1 or are in screwed connection, the gas flowing direction is adjusted in the direction of the rotatable gas pipes 1, preferably, a sealing ring 3 is arranged between the annular cover 2 and the gas pipes 1 during screwed connection, gas leakage between the gas pipes 1 and the annular cover 2 is prevented, the hinge comprises a cylindrical shell 4, a push rod 5, a spring 7 and a piston 9, the cylindrical shell 4 is rotationally arranged on the central shafts of the two annular covers 2 in a penetrating manner through the sealing ring 3, the piston 9 is arranged in the cylindrical shell 4 in a sealing sliding manner, an oil cavity 6 is formed between the piston 9 and one end of the cylindrical shell 4, lubricating oil is filled in the oil cavity 6, the push rod 5 is fixedly connected with the piston 9 in a sealing manner, the push rod 5 is hermetically sliding through the first end of the cylindrical shell 4, the spring 7 is compressed and arranged between the second end of the cylindrical shell 4 and the piston 9, a plurality of oil holes 8 are formed in the side walls of the cylindrical shell 4 at the positions of the sealing ring 3, and the elastic force of the spring 7 is released to enable the piston 8 to stop the oil to flow out of the oil cavity 6.
As the preferable technical scheme, the cross sections of the sealing rings 3 are annular, the vertical sections are I-shaped, grooves are formed, gas leakage between the two annular covers 2 is effectively reduced, and the tightness is improved.
As a preferable technical scheme, a sealing ring 12 is arranged between the opening parts of the two annular covers 2, a conveying pipe 11 for conveying lubricating oil is communicated with part of the oil holes 8, and the other end of the conveying pipe 11 extends to the sealing ring 12, so that the lubricating oil can act on the sealing ring 12, and the abrasion of the sealing ring 12 is reduced.
As the preferable technical scheme, be equipped with a jack 10 on the circumference side of the bottom of column casing 4, bolt and jack 10 grafting cooperation for two fixed annular covers 2 make it extrude sealing washer 3, play better sealed effect.
As the preferable technical scheme, be equipped with the screw thread on the circumference side in the stake section of thick bamboo 4 both ends, the bolt passes through screw thread and stake section of thick bamboo 4 threaded connection for two fixed annular covers 2, make it extrude sealing washer 3, play better sealed effect.
Working principle: this gas piping connecting bolt convenient to dismantle, carry gas through trachea 1 and get into annular lid 2 in, move sealed involution formation transfer passage between the oral area of two annular lids 2, rotate through the articulated elements between two annular lids 2 and be connected, adjustable trachea 1's gas flow direction, make lubricating oil flow out through oilhole 8 through pressing push rod 5, reducible wearing and tearing under the effect of lubricating oil of sealing washer 3, the durability of sealing washer 3 has been improved, be equipped with sealing ring 12 between the oral area of two annular lids 2, the intercommunication has the conveyer pipe 11 of conveying lubricating oil on the part oilhole 8, the other end of conveyer pipe 11 extends to sealing ring 12 departments, make lubricating oil can act on sealing ring 12, reduce the wearing and tearing of sealing ring 12, spring 7 elasticity release makes piston 9 keep apart oilhole 8 and oil pocket 6, lubricating oil stops flowing.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (7)

1. The gas pipeline connecting bolt is characterized by comprising two annular covers (2), wherein the two annular covers (2) are rotationally connected through a hinge piece, and the mouth parts of the two annular covers (2) are in dynamic sealing involution; the hinge comprises a column casing (4), a push rod (5), a spring (7) and a piston (9), wherein the column casing (4) is rotatably arranged on the central shafts of the two annular covers (2) in a penetrating mode through a sealing ring (3), the piston (9) is arranged in the column casing (4) in a sealing sliding mode, an oil cavity (6) is formed between the piston (9) and one end of the column casing (4), lubricating oil is filled in the oil cavity (6), the push rod (5) is fixedly connected with the piston (9), the push rod (5) is hermetically and slidably arranged through the first end of the column casing (4), the spring (7) is arranged between the second end of the column casing (4) and the piston (9) in a compressing mode, a plurality of oil holes (8) are formed in the positions of the sealing ring (3) on the side wall of the column casing (4), and the elastic force of the spring (7) is released, so that the piston (9) isolates the oil holes (8) from the oil cavity (6).
2. A gas line connection bolt for easy disassembly according to claim 1, characterized in that the two annular covers (2) are integrally formed or screwed with the corresponding gas pipes (1).
3. A gas line connection bolt for easy disassembly according to claim 1, wherein each sealing ring (3) has an annular cross section and an i-shaped vertical cross section.
4. A gas line connection bolt for easy disassembly according to claim 1, characterized in that a sealing ring (12) is provided between the mouths of the two annular covers (2).
5. The gas pipeline connecting bolt convenient to detach according to claim 4 is characterized in that a conveying pipe (11) for conveying lubricating oil is communicated with the part of the oil holes (8), and the other end of the conveying pipe (11) extends to the sealing ring (12).
6. The gas pipeline connecting bolt convenient to detach according to claim 1 is characterized in that a jack (10) is arranged on the peripheral side surface of the bottom end of the column casing (4), and the bolt is in plug-in fit with the jack (10).
7. The gas pipeline connecting bolt convenient to detach according to claim 1 is characterized in that threads are arranged on the peripheral side surfaces of two ends of the column casing (4), and the bolt is in threaded connection with the column casing (4) through the threads.
CN202321058364.6U 2023-05-06 2023-05-06 Gas pipeline connecting bolt convenient to disassemble Active CN219796477U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321058364.6U CN219796477U (en) 2023-05-06 2023-05-06 Gas pipeline connecting bolt convenient to disassemble

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321058364.6U CN219796477U (en) 2023-05-06 2023-05-06 Gas pipeline connecting bolt convenient to disassemble

Publications (1)

Publication Number Publication Date
CN219796477U true CN219796477U (en) 2023-10-03

Family

ID=88153727

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321058364.6U Active CN219796477U (en) 2023-05-06 2023-05-06 Gas pipeline connecting bolt convenient to disassemble

Country Status (1)

Country Link
CN (1) CN219796477U (en)

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