CN213900237U

CN213900237U - Sealing connection structure for gas engine air inlet pipeline

Info

Publication number: CN213900237U
Application number: CN202022405827.4U
Authority: CN
Inventors: 张能胜; 梁强; 王树慧; 孙静; 黄瑜; 裴蕾
Original assignee: Shaanxi Dekaiju Petroleum Technology Co ltd
Current assignee: Shaanxi Dekaiju Petroleum Technology Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-08-06
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a gas engine is sealing connection structure for admission line, including first connecting pipe, the cover is established and the first solid fixed ring of fixedly connected with on the one end circumference outer wall of first connecting pipe, the beneficial effects of the utility model are that: the utility model discloses a set up the first solid fixed ring who has the thread groove and the solid fixed ring of second that has the insert ring respectively on first connecting pipe and second connecting pipe, and install sealing mechanism on the insert ring, through in will inserting ring threaded connection thread groove during the use, preliminarily seal the junction of first connecting pipe and second connecting pipe, two snap rings and the sealing strip parcel that utilize sealing mechanism simultaneously live the part that the insert ring lies in the thread groove outside, can seal once more the junction of first connecting pipe and second connecting pipe, not only seal the junction of first connecting pipe and second connecting pipe and handle, and can increase the junction corrosion resisting capability of first connecting pipe and second connecting pipe, avoid the natural gas or the artifical coal gas leakage of transport.

Description

Sealing connection structure for gas engine air inlet pipeline

Technical Field

The utility model relates to a connection structure technical field specifically is a gas engine is sealing connection structure for admission line.

Background

The gas engine is a mechanical device which generates power by burning natural gas or artificial gas and can be used for pushing automobiles and steamships to walk and driving a generator to generate electricity, and the gas inlet pipeline is a structure which is arranged on the gas engine and used for conveying the natural gas or the artificial gas.

At present, when an air inlet pipeline on a gas engine is connected with an external pipeline for conveying natural gas or artificial gas, the air inlet pipeline is mostly connected through a flange, no other sealing structure exists, the use time is long, and the pipeline connection part is easily corroded and damaged to cause leakage of the conveyed natural gas or artificial gas.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas engine is sealing connection structure for admission line to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sealing connection structure for a gas engine intake pipe comprises a first connecting pipe, wherein a first fixing ring is sleeved on and fixedly connected with the outer wall of the circumference of one end of the first connecting pipe, a thread groove is formed in one side, away from the middle part of the first connecting pipe, of the first fixing ring, the thread groove is of an annular structure and is positioned on the same central line as the first connecting pipe, an inserting ring is connected to the inner thread of the thread groove in a threaded manner, one end, away from the first connecting pipe, of the inserting ring extends to the outer part of the thread groove and is fixedly connected with a second fixing ring, a fixing groove is formed in the outer wall of the circumference of the middle part of the part, positioned outside the thread groove, of the inserting ring, the diameter of the second fixing ring is the same as that of the first fixing ring, the diameter of the second fixing ring is positioned on the same central line as that of the first connecting pipe, a sealing groove is formed in the side, which is close to the first fixing ring, the diameter of the sealing groove is larger than that of the inserting ring and is positioned on the same central line as that of the inserting ring, install sealing mechanism between the solid fixed ring of second and the solid fixed ring of first, the solid fixed ring of second and the solid fixed ring of first are close to the equal fixedly connected with limiting plate in side middle part around one side mutually, the solid fixed ring's of second inside fixedly connected with second connecting pipe, second connecting pipe and first connecting pipe conflict and connect and be located same central line.

Preferably, sealing mechanism includes two snap rings, two the snap ring joint respectively is in the upper and lower end of inserting the ring, two the screw has all been seted up to one side upper end and the front and back portion that first solid fixed ring was kept away from to the snap ring, two the equal fixedly connected with extension board of side around the snap ring, homonymy two the connection is just dismantled through fastening bolt in the extension board homogeneous phase contact, two equal fixedly connected with sealing strip on the inner wall of snap ring, the sealing strip is all contradicted and is connected on the circumference outer wall of inserting the ring, the both sides of sealing strip are equallyd divide and are do not blocked in the seal groove of seting up on first solid fixed ring and the solid fixed ring of second.

Preferably, two supporting plates on the same side are provided with limiting grooves on the sides contacted with each other, and the supporting plates are clamped on the limiting plates on the same side through the limiting grooves.

Preferably, equal fixedly connected with fixed strip on the inner wall of sealing strip, the equal joint of fixed strip is in the inside of fixed slot.

Preferably, two the snap ring is close to one side mutually and is contradicted and connect, two the both sides of snap ring are equallyd divide and are do not contradicted and connect on first solid fixed ring and the solid fixed ring of second.

Preferably, the second is fixed ring and is kept away from the upper and lower extreme and the front and back side of one side middle part of first solid fixed ring and all runs through and threaded connection has spacing bolt, the same and the one-to-one of quantity of spacing bolt and sealing mechanism's screw quantity, the equal threaded connection of spacing bolt is inside sealing mechanism's screw.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up the first solid fixed ring who has the thread groove and the solid fixed ring of second that has the insert ring respectively on first connecting pipe and second connecting pipe, and install sealing mechanism on the insert ring, through in will inserting ring threaded connection thread groove during the use, preliminarily seal the junction of first connecting pipe and second connecting pipe, two snap rings and the sealing strip parcel that utilize sealing mechanism simultaneously live the part that the insert ring lies in the thread groove outside, can seal once more the junction of first connecting pipe and second connecting pipe, not only seal the junction of first connecting pipe and second connecting pipe and handle, and can increase the junction corrosion resisting capability of first connecting pipe and second connecting pipe, avoid the natural gas or the artifical coal gas leakage of transport.

Drawings

FIG. 1 is a sectional view of the present invention;

fig. 2 is a schematic structural view of the first fixing ring of the present invention;

FIG. 3 is a schematic structural view of the insert ring of the present invention;

fig. 4 is a schematic structural view of a second fixing ring of the present invention;

fig. 5 is a schematic structural view of the sealing mechanism of the present invention;

fig. 6 is a schematic external structural view of the present invention;

fig. 7 is an enlarged view of the area a in fig. 6.

In the figure: 1. a first connecting pipe; 2. a first retaining ring; 3. a thread groove; 4. inserting a ring; 5. fixing grooves; 6. a sealing mechanism; 61. a snap ring; 62. a support plate; 63. fastening a bolt; 64. a limiting groove; 65. a screw hole; 66. a sealing strip; 67. a fixing strip; 7. a second retaining ring; 8. a limit bolt; 9. a second connecting pipe; 10. a sealing groove; 11. and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a sealing connection structure for a gas engine intake pipeline comprises a first connecting pipe 1, a first fixing ring 2 is sleeved and fixedly connected on the outer wall of the circumference of one end of the first connecting pipe 1, a thread groove 3 is formed in one side, away from the middle part of the first connecting pipe 1, of the first fixing ring 2, the thread groove 3 is of an annular structure and is positioned on the same central line as the first connecting pipe 1, an inserting ring 4 is connected with the inner thread of the thread groove 3, one end, away from the first connecting pipe 1, of the inserting ring 4 extends to the outer part of the thread groove 3 and is fixedly connected with a second fixing ring 7, a fixing groove 5 is formed in the outer wall of the circumference of the middle part, positioned outside the thread groove 3, of the inserting ring 4, a sealing groove 10 is formed in the outer wall of the circumference of the second fixing ring 7, the diameter of the second fixing ring 7 is the same as that of the first fixing ring 2, and is positioned on the same central line as the first connecting pipe 1, and a sealing groove 10 is formed in the position, close to one side of the second fixing ring 7 and the first fixing ring 2, the diameter of seal groove 10 all is greater than the diameter of inserting ring 4 and insert ring 4 and be located same central line, install sealing mechanism 6 between the solid fixed ring 7 of second and the solid fixed ring 2 of first, the solid fixed ring 7 of second and the solid fixed ring 2 of first are close to the equal fixedly connected with limiting plate 11 in the middle part of the front and back side of one side mutually, the solid fixed ring 7's of second inside fixedly connected with second connecting pipe 9, second connecting pipe 9 is contradicted with first connecting pipe 1 and is connected and be located same central line, link together first connecting pipe 1 and second connecting pipe 9 through inserting ring 4 during the use, conveniently carry natural gas or artifical coal gas.

The sealing mechanism 6 comprises two clamping rings 61, the two clamping rings 61 are respectively clamped at the upper end and the lower end of the insert ring 4, the two clamping rings 61 are respectively in contact connection with one side, two sides of the two clamping rings 61 are respectively in contact connection with the first fixing ring 2 and the second fixing ring 7, screw holes 65 are respectively formed in the upper end and the front part and the rear part of one side, away from the first fixing ring 2, of the two clamping rings 61, supporting plates 62 are respectively and fixedly connected with the front side and the rear side of the two clamping rings 61, the two supporting plates 62 on the same side are in contact and are detachably connected through fastening bolts 63, limiting grooves 64 are respectively formed in one side, in which the two supporting plates 62 on the same side are in contact, the supporting plates 62 are respectively clamped on the limiting plates 11 on the same side through the limiting grooves 64, sealing strips 66 are respectively and fixedly connected on the inner walls of the two clamping rings 61, the sealing strips 66 are respectively in contact connection with the outer wall of the circumference of the insert ring 4, fixing strips 67 are respectively and are fixedly connected on the inner walls of the sealing strips 67, and are respectively clamped inside the fixing grooves 5, the two sides of the sealing strip 66 are respectively clamped in the sealing grooves 10 arranged on the first fixing ring 2 and the second fixing ring 7, when in use, two clamping rings 61 are clamped on the part of the insert ring 4 between the first connecting pipe 1 and the second connecting pipe 9, meanwhile, the sealing strip 66 is clamped in the sealing groove 10, the fixing strip 67 is clamped in the fixing groove 5, the sealing property of the joint of the first connecting pipe 1 and the second connecting pipe 9 can be increased, the phenomenon of natural gas or artificial gas leakage is avoided, the upper end and the lower end of the middle part and the upper end and the lower end of the front side and the rear side of one side of the second fixing ring 7 far away from the first fixing ring 2 are both penetrated and are in threaded connection with the limiting bolts 8, the number of the limiting bolts 8 is the same as and corresponds to one with the number of the screw holes 65 of the sealing mechanism 6, the limiting bolts 8 are all in threaded connection in the screw holes 65 of the sealing mechanism 6, when in use, the position of the sealing mechanism 6 between the first connecting pipe 1 and the second connecting pipe 9 is fixed through the limiting bolts 8, the sealing mechanism 6 is prevented from shaking in use.

Specifically, when the utility model is used, the first connecting pipe 1 is connected with a pipeline for conveying natural gas or artificial gas, the second connecting pipe 9 is connected with an air inlet pipe on a gas engine, the inserting ring 4 is connected in the thread groove 3 in a threaded manner during installation, then the two clamping rings 61 are respectively clamped at the upper end and the lower end of the part of the inserting ring 4 outside the thread groove 3, and the support plates 62 arranged on the two clamping rings 61 are abutted together, at the moment, the sealing strips 66 on the two clamping rings 61 are both clung to the circumferential outer wall of the inserting ring 4, the fixing strips 67 arranged on the sealing strips 66 are clamped in the fixing grooves 5 arranged on the inserting ring 4, then the two support plates 62 on the same side are fixed together through the fastening bolts 63, at the moment, the sealing strips 66 are extruded to generate certain deformation, the two sides of the sealing strips 66 are respectively extruded into the sealing grooves 10 arranged on the first fixing ring 2 and the second fixing ring 7, increase sealed effect, insert the spacing bolt 8 of the solid fixed ring 7 of second installation inside the screw 65 of seting up on two snap rings 61, fix the position of two snap rings 61 with limiting plate 11 jointly, two snap rings 61 slide on inserting ring 4 when avoiding using, during the use, insert ring 4 and sealing strip 66 and fixed strip 67 and can seal the junction of first connecting pipe 1 and second connecting pipe 9, avoid appearing the phenomenon that natural gas or artifical coal gas leaked.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

Claims

1. The utility model provides a gas engine is sealing connection structure for admission line, a serial communication port, including first connecting pipe (1), the cover is established and the first solid fixed ring of fixedly connected with (2) on the one end circumference outer wall of first connecting pipe (1), threaded groove (3) have been seted up to one side at first connecting pipe (1) middle part is kept away from in first solid fixed ring (2), threaded groove (3) are loop configuration and lie in same central line with first connecting pipe (1), the inside threaded connection of threaded groove (3) has insert ring (4), the one end that first connecting pipe (1) was kept away from in insert ring (4) extends to the solid fixed ring of outside and fixedly connected with second (7) of threaded groove (3), insert ring (4) and lie in fixed slot (5) on the partial middle part circumference outer wall of threaded groove (3) outside, the diameter of the solid fixed ring of second (7) is the same with the diameter of first solid fixed ring (2) and lie in same central line with first connecting pipe (1) On-line, the solid fixed ring of second (7) and first solid fixed ring (2) are close to one side and have all seted up seal groove (10), the diameter of seal groove (10) all than insert the diameter of ring (4) big and insert ring (4) and be located same central line, install sealing mechanism (6) between the solid fixed ring of second (7) and first solid fixed ring (2), the solid fixed ring of second (7) and first solid fixed ring (2) are close to the equal fixedly connected with limiting plate (11) in the middle part of the front and back side of one side mutually, the inside fixedly connected with second connecting pipe (9) of the solid fixed ring of second (7), second connecting pipe (9) and first connecting pipe (1) are contradicted and are connected and are located same central line.

2. The seal connection structure for a gas engine intake duct according to claim 1, wherein: sealing mechanism (6) include two snap rings (61), two snap ring (61) joint respectively is in the upper and lower end of inserting ring (4), two screw (65), two have all been seted up to one side upper end and front and back portion that first solid fixed ring (2) was kept away from in snap ring (61) the equal fixedly connected with extension board (62) of side around snap ring (61), the homonymy is two extension board (62) homogeneous phase contact just dismantles the connection through fastening bolt (63), two equal fixedly connected with sealing strip (66) on the inner wall of snap ring (61), sealing strip (66) are all contradicted and are connected on the circumference outer wall of inserting ring (4), the both sides of sealing strip (66) are equallyd divide respectively in seal groove (10) of seting up on first solid fixed ring (2) and the solid fixed ring of second (7).

3. The seal connection structure for a gas engine intake duct according to claim 2, characterized in that: and one side of each of the two support plates (62) on the same side, which are contacted with each other, is provided with a limiting groove (64), and the support plates (62) are clamped on the limiting plates (11) on the same side through the limiting grooves (64).

4. The seal connection structure for a gas engine intake duct according to claim 2, characterized in that: equal fixedly connected with fixed strip (67) on the inner wall of sealing strip (66), the equal joint of fixed strip (67) is in the inside of fixed slot (5).

5. The seal connection structure for a gas engine intake duct according to claim 2, characterized in that: two snap ring (61) are close to one side mutually and are contradicted and connect, two the both sides of snap ring (61) are equallyd divide and are contradicted respectively and connect on first solid fixed ring (2) and the solid fixed ring of second (7).

6. The seal connection structure for a gas engine intake duct according to claim 1, wherein: the utility model discloses a sealing mechanism, including first solid fixed ring (2), second solid fixed ring (7), the upper and lower extreme all runs through and threaded connection has spacing bolt (8) on one side middle part and the front and back side of keeping away from first solid fixed ring (2) lower extreme, the quantity of spacing bolt (8) is the same and the one-to-one with screw (65) quantity of sealing mechanism (6), the equal threaded connection of spacing bolt (8) is inside screw (65) of sealing mechanism (6).