CN219102281U

CN219102281U - Connection structure for compressed air pipeline

Info

Publication number: CN219102281U
Application number: CN202320009408.XU
Authority: CN
Inventors: 顾磊
Original assignee: Suzhou Shundi Construction Engineering Co ltd
Current assignee: Suzhou Shundi Construction Engineering Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-05-30
Anticipated expiration: 2033-01-05

Abstract

The application discloses connection structure for compressed air pipeline relates to pipeline connection structure technical field. The application includes first pipeline and second pipeline, still includes: the connecting pipe, the surface of connecting pipe is constructed with the connecting block, the cover is equipped with the sealing washer on the outside of connecting pipe, connects the annular sleeve on the connecting block, the annular sleeve with there is the interval between the connecting pipe. This application is through screwing up the installation cover along the screw thread direction to force the position sleeve to remove, the conflict to the mounting piece through the internal diameter that gradually decreases, with force the mounting piece inwards shrink form the clamping force towards the connecting pipe, thereby will make compressed air pipeline can closely laminate on the connecting pipe, and the clamping force that provides through the mounting piece is with the biggest static friction of increase compressed air pipeline and connecting pipe, thereby accomplish the fixed to compressed air pipeline, and this kind of connection structure has and need not with the help of the instrument, connect comparatively simply, accomplish advantages such as installation and dismantlement are fast, very convenient and easy.

Description

Connection structure for compressed air pipeline

Technical Field

The application relates to the technical field of pipeline connection structures, in particular to a connection structure for a compressed air pipeline.

Background

The air has compressibility, the compressed air is compressed by pressure, is an important power source, and the compressed air is more convenient to convey because of having no fixed shape and volume, and the compressed air pipeline can be particularly divided into a hard pipe and a soft pipe according to the use condition.

In the automobile processing industry, many pneumatic devices, such as air hammers, are often used, most of the pneumatic devices are connected with an exhaust pipeline of a compressor through hoses, but the pneumatic devices need to be maintained frequently, so that the connected hoses need to be disassembled frequently, the connection structure of most of the existing compressed air pipelines is formed by connecting the hoses through tools, such as flanges, hoops and the like, the installation and the disassembly are performed in an auxiliary manner, the tools are needed for assisting, the assembly and the disassembly of the pipelines are relatively troublesome, and the disassembly speed of the pipelines is relatively slow, so that the time is wasted.

Disclosure of Invention

The purpose of the present application is: in order to effectively and reasonably improve the problems presented in the background art, the application provides a connecting structure for a compressed air pipeline.

The application specifically adopts the following technical scheme for realizing the purposes:

connection structure for compressed air pipeline, including first pipeline and second pipeline, still include:

the connecting pipe is characterized in that a connecting block is constructed on the outer surface of the connecting pipe, a sealing ring is sleeved on the outer side of the connecting pipe, an annular sleeve is connected to the connecting block, a space exists between the annular sleeve and the connecting pipe, the space is used for placing the first pipeline and the second pipeline, fastening pieces are constructed at two ends of the annular sleeve, cambered surfaces are constructed on the fastening pieces, the diameters of the cambered surfaces are sequentially decreased from the direction away from the annular sleeve, and a plurality of fastening pieces are annularly arrayed along the axis of the annular sleeve;

the movable sleeve is arranged on the mounting sleeve at two ends of the annular sleeve, the annular sleeve is provided with external threads, the internal structure of the mounting sleeve is provided with internal threads, the external threads are matched with the internal threads, the end part of the mounting sleeve is provided with a positioning sleeve, the pipe diameter of the positioning sleeve is gradually decreased from a direction away from the annular sleeve, and the minimum inner diameter of the positioning sleeve is larger than the inner diameter of the annular sleeve and smaller than the outer diameter of the annular sleeve.

Further, a limiting block is constructed on the periphery of the annular sleeve, and when a plurality of mounting sleeves are fixed on the annular sleeve, the limiting block is positioned between a plurality of mounting sleeves.

Further, the connecting pipe and the annular sleeve are integrally formed.

Further, the bottom of the fastening piece is provided with raised strips, the raised strips are provided with arc-shaped surfaces, the raised strips are arranged in a plurality of linear arrays along the length direction of the fastening piece, and the sealing ring is positioned at the horizontal middle position of the raised strips.

Further, a guiding inclined plane is formed at the edge of the connecting pipe.

Further, a plurality of fixing bars extending along the length direction of the connecting pipe are formed on the inner side surface of the connecting pipe, and the plurality of fixing bars are annularly arrayed along the axis direction of the connecting pipe.

Further, an annular groove is formed in the outer peripheral side of the mounting sleeve, and a fixing ring is placed in the annular groove.

Further, the outer surface of the positioning sleeve is further provided with a plurality of protruding blocks extending along the length direction of the positioning sleeve, and the protruding blocks are annularly arrayed along the axis direction of the mounting sleeve.

The beneficial effects of this application are as follows: this application is through screwing up the installation cover along the screw thread direction to force the position sleeve to remove, the conflict to the mounting piece through the internal diameter that gradually decreases, with force the mounting piece inwards shrink form the clamping force towards the connecting pipe, thereby will make compressed air pipeline can closely laminate on the connecting pipe, and the clamping force that provides through the mounting piece is with the biggest static friction of increase compressed air pipeline and connecting pipe, thereby accomplish the fixed to compressed air pipeline, and this kind of connection structure has and need not with the help of the instrument, connect comparatively simply, accomplish advantages such as installation and dismantlement are fast, very convenient and easy.

Drawings

FIG. 1 is a perspective view of the structure of the present utility model;

FIG. 2 is a schematic view of a connecting pipe structure according to the present utility model;

FIG. 3 is a schematic view of the mounting sleeve of the present utility model;

FIG. 4 is a schematic view of the internal structure of the present utility model in semi-section;

FIG. 5 is an enlarged view of the utility model at A in FIG. 4;

reference numerals: 1. a first pipe; 2. a second pipe; 3. a connecting pipe; 4. a connecting block; 5. a seal ring; 6. an annular sleeve; 7. spacing; 8. a fastening tab; 9. a cambered surface; 10. a mounting sleeve; 11. an external thread; 12. an internal thread; 13. a limiting block; 14. a convex strip; 15. an arc surface; 16. a guide slope; 17. a fixing strip; 18. a fixing ring; 19. and a bump.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.

As shown in fig. 1 to 4, the connection structure for a compressed air pipeline according to an embodiment of the present application includes a first pipeline 1 and a second pipeline 2, and further includes:

the connecting pipe 3, the connecting block 4 is constructed on the surface of the connecting pipe 3, the outside of the connecting pipe 3 is sleeved with the sealing ring 5, the annular sleeve 6 connected to the connecting block 4, a space 7 exists between the annular sleeve 6 and the connecting pipe 3, the space 7 is used for placing the first pipeline 1 and the second pipeline 2, the two ends of the annular sleeve 6 are both constructed with the fastening pieces 8, the fastening pieces 8 are constructed with the cambered surfaces 9, the diameters of the cambered surfaces 9 decrease gradually from the direction away from the annular sleeve 6, the fastening pieces 8 are in an annular array along the axis of the annular sleeve 6, the first pipeline 1 and the second pipeline 2 are compressed air hoses made of SBR rubber, the first pipeline 1 is a compressed air inlet pipeline, the second pipeline 2 is a connected compressed air outlet pipeline, the connecting pipe 3 and the annular sleeve 6 are made of polycarbonate plastic materials, the connecting pipe 3 and the annular sleeve 6 have high hardness and toughness, the connecting pipe 3 and the annular sleeve 6 are not easy to damage, the sealing ring 5 is a rubber ring, when the first pipeline 1 and the second pipeline 2 are positioned in the space 7, the two ends of the connecting pipe 3 are inserted into the first pipeline 1 and the second pipeline 2, the first pipeline 1 and the second pipeline 2 are positioned between the first pipeline 3 and the second pipeline 2 are not easy to be damaged, and the sealing ring 2 are made of polycarbonate plastic materials;

the movable sleeve is arranged on the installation sleeve 10 on two ends of the annular sleeve 6, the annular sleeve 6 is provided with an external thread 11, an internal thread 12 is arranged in the installation sleeve 10, the external thread 11 is matched with the internal thread 12, a positioning sleeve is arranged on the end part of the installation sleeve 10, the pipe diameter of the positioning sleeve is gradually decreased in a direction away from the annular sleeve 6, the minimum inner diameter of the positioning sleeve is larger than the inner diameter of the annular sleeve 6 and smaller than the outer diameter of the annular sleeve 6, the installation sleeve 10 is made of polyamide materials, the hardness is high and the positioning sleeve is not easy to damage, after the installation sleeve 10 is rotated along the thread direction, the minimum inner diameter of the positioning sleeve can move on the cambered surface 9 of the fastening piece 8, so that the fastening piece 8 is forced to shrink inwards, and the first pipeline 1 and the second pipeline 2 are fixed.

When the first pipeline 1 and the second pipeline 2 are inserted into the space 7, the connecting pipe 3 is positioned in the first pipeline 1 and the second pipeline 2, the mounting sleeve 10 rotates in the annular sleeve 6 along the thread direction, the fastening piece 8 is abutted against the fastening piece 8 through the gradually decreasing inner diameter, so that the fastening piece 8 is contracted inwards and matched with the connecting pipe 3 to form the clamping force for the first pipeline 1 and the second pipeline 2, the first pipeline 1 and the second pipeline 2 can be tightly attached to the connecting pipe 3 and the annular sleeve 6, the maximum static friction force between the first pipeline 1 and the second pipeline 2 and the connecting pipe 3 is increased through the clamping force, so that the first pipeline 1 and the second pipeline 2 cannot be taken out from the space 7 under the action of the static friction force, the first pipeline 1 and the second pipeline 2 can be fixed through rotating the mounting sleeve 10, the first pipeline 1 and the second pipeline 2 are connected simply, the dismounting and mounting are not needed by means of tools, and the mounting and dismounting speed of the pipelines are high, and the like.

As shown in fig. 1 and 2, in some embodiments, a limiting block 13 is configured on the outer periphery of the annular sleeve 6, when a plurality of installation sleeves are fixed on the annular sleeve 6, the limiting block 13 is located between a plurality of installation sleeves 10, the limiting block 13 is an annular block, and is used for limiting the installation position of the installation sleeve 10 so as to prevent the installation sleeve 10 from being excessively rotated to cause the phenomenon that the installation sleeve 10 cannot be removed, and the opening of the installation sleeve 10 can be shielded by the limiting block 13, so that the accumulation of dust and other impurities at the opening of the installation sleeve 10 is reduced, and the situation that the dust blocks the inner threads of the installation sleeve 10 is prevented.

As shown in fig. 2 and fig. 4, in some embodiments, the connecting tube 3 and the annular sleeve 6 are integrally formed, and the integrated design can improve the overall structural strength of the connecting structure, so that the connecting structure is not easy to damage even if being collided by external force in the use process, and the service life of the connecting structure is prolonged.

As shown in fig. 2, fig. 4 and fig. 5, in some embodiments, the bottom of the fastening piece 8 is configured with a raised strip 14, the raised strip 14 is configured with an arc surface 15, the raised strip 14 is provided with a plurality of raised strips 14 in a linear array along the length direction of the fastening piece 8, and the sealing ring 5 is located at a horizontal middle position of the raised strips 14, so that when the fastening piece 8 is shrunk and clamped inwards after the installation sleeve 10 is fastened, the raised strips 14 and the sealing ring 5 can jointly form a clamping force on the first pipeline 1 and the second pipeline 2, so that the clamping force is firmer, and the gaps at two sides of the sealing ring 5 can be reduced, thereby enhancing the sealing effect of the sealing ring 5.

As shown in fig. 2 and 4, in some embodiments, a guiding slope 16 is configured at the edge of the connecting pipe 3, because the pipe diameter of the connecting pipe 3 is smaller than that of the first pipe 1 and the second pipe 2, the guiding slope 16 can make the compressed air relatively smoothly enter and pass through the connecting pipe 3, so as to prevent a larger gas pressure difference at the joint of the connecting pipe 3 caused by the sudden reduction of the pipe diameter, thereby protecting the connecting pipe 3 and prolonging the service life of the pipeline.

As shown in fig. 4, in some embodiments, the inner side surface of the connecting pipe 3 is configured with a plurality of fixing strips 17 extending along the length direction thereof, the fixing strips 17 are annularly arranged along the axis direction of the connecting pipe 3, both ends of each fixing strip 17 are configured with cambered surfaces 9 to reduce the influence on the air flow, when the compressed air passes through the connecting pipe 3, the air pressure inside the connecting pipe 3 is increased due to the reduction of the pipe diameter, and the fixing strips 17 are used for enhancing the structural strength of the connecting pipe 3, so that the connecting pipe 3 is not easy to crack due to the increase of the pressure.

As shown in fig. 3 and 4, in some embodiments, an annular groove is formed on the outer peripheral side of the installation sleeve 10, a fixing ring 18 is placed inside the annular groove, the fixing ring 18 is specifically an iron wire ring, and the fixing ring 18 is sleeved on the installation sleeve 10 to strengthen the structural strength of the installation sleeve 10, so that the installation sleeve 10 is not easy to crack under the action of external force, and the service life of the installation sleeve 10 is prolonged.

As shown in fig. 1 and 3, in some embodiments, the outer surface of the positioning sleeve is further provided with a plurality of protrusions 19 extending along the length direction thereof, the protrusions 19 are annularly arrayed along the axial direction of the positioning sleeve, the protrusions 19 may be specifically square protrusions 19, and the protrusions 19 are configured to increase the roughness of the outer surface of the mounting sleeve 10 so as to facilitate rotating the mounting sleeve 10 along the thread direction, thereby preventing slipping during fastening of the mounting sleeve 10.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. Connection structure for compressed air pipeline, including first pipeline (1) and second pipeline (2), its characterized in that still includes:

the connecting pipe (3), be constructed on the surface of connecting pipe (3) connecting block (4), cover on the outside of connecting pipe (3) is equipped with sealing washer (5), connect annular sleeve (6) on connecting block (4), annular sleeve (6) with there is interval (7) between connecting pipe (3), interval (7) are used for placing first pipeline (1) with second pipeline (2), both ends of annular sleeve (6) are all constructed with fastening piece (8), be constructed with cambered surface (9) on fastening piece (8), and the diameter of cambered surface (9) is by keeping away from the direction of annular sleeve (6) is progressively decreased in proper order, fastening piece (8) are followed the axis annular array of annular sleeve (6) has a plurality ofly;

the movable sleeve is arranged on the installation sleeve (10) at two ends of the annular sleeve (6), the annular sleeve (6) is provided with an external thread (11), an internal thread (12) is arranged in the installation sleeve (10), the external thread (11) is matched with the internal thread (12), a positioning sleeve is arranged at the end part of the installation sleeve (10), the pipe diameter of the positioning sleeve is gradually decreased in a direction away from the annular sleeve (6), and the minimum inner diameter of the positioning sleeve is larger than the inner diameter of the annular sleeve (6) and smaller than the outer diameter of the annular sleeve (6).

2. A connection structure for compressed air pipes according to claim 1, characterized in that a stopper (13) is constructed on the outer circumference of the annular sleeve (6), the stopper (13) being located between several of the mounting sleeves (10) when several of the mounting sleeves are fixed to the annular sleeve (6).

3. A connection structure for compressed air pipes according to claim 2, characterized in that the connection pipe (3) is integrally formed with the annular sleeve (6).

4. The connecting structure for compressed air pipes according to claim 1, wherein the bottoms of the fastening pieces (8) are respectively provided with a raised line (14), the raised lines (14) are provided with an arc-shaped surface (15), the raised lines (14) are linearly arrayed in the length direction of the fastening pieces (8), and the sealing rings (5) are positioned at the horizontal middle positions of the raised lines (14).

5. A connection structure for compressed air pipes according to claim 1, characterized in that the edge of the connecting pipe (3) is constructed with a guiding bevel (16).

6. A connection structure for compressed air pipes according to claim 5, characterized in that the inner side surface of the connecting pipe (3) is configured with a plurality of fixing strips (17) extending in the length direction thereof, and the fixing strips (17) are annularly arrayed in the axial direction of the connecting pipe (3).

7. A connection structure for compressed air pipes according to claim 1, characterized in that the outer peripheral side of the mounting sleeve (10) is provided with an annular groove, inside which a fixing ring (18) is placed.

8. A connection structure for compressed air pipes according to claim 1, wherein the outer surface of the positioning sleeve is further provided with a plurality of projections (19) extending in the longitudinal direction thereof, and the projections (19) are annularly arrayed in the axial direction of the mounting sleeve (10).