阅读说明：本技术 一种管道连接装置及其使用方法 (Pipeline connecting device and using method thereof ) 是由 黄士玉 于 2019-09-29 设计创作，主要内容包括：本发明提供了一种管道连接装置及其使用方法,属于管道领域。它解决了现有管道连接效率低,稳定性差的问题。本管道连接装置其用于连接两根管道,两根管道靠近端部的管壁各设有一组连接孔,连接装置包括内连接套和外连接套,连接装置还包括两组连接机构,一组连接机构包括若干管孔和若干道管槽,管槽槽壁分别设有主滑槽和副滑槽,还包括连接管和穿设在连接管内的连接杆,连接管配合穿入管孔,连接管内端外壁固定有主滑块,连接杆内端杆壁固定有副滑块,主滑块和副滑块滑动位于主滑槽和副滑槽上,连接管管壁设有销孔,销孔内穿设有销子,连接杆杆壁设有限位槽,限位槽内滑动设有限位块,销子内端与限位块固定。本连接装置能高效稳定连接两根管道。(The invention provides a pipeline connecting device and a using method thereof, and belongs to the field of pipelines. It has solved the problem that current pipe connection is efficient, poor stability. It is used for connecting two pipelines that this pipeline connecting device, the pipe wall that two pipelines are close to the tip respectively is equipped with a set of connecting hole, connecting device includes interconnection adapter sleeve and outer adapter sleeve, connecting device still includes two sets of coupling mechanism, a set of coupling mechanism includes a plurality of tube holes and a plurality of pipe chase, the pipe chase cell wall is equipped with main spout and vice spout respectively, still include the connecting pipe and wear to establish the connecting rod in the connecting pipe, the connecting pipe cooperation penetrates the tube hole, the inner outer wall of connecting pipe is fixed with main slider, the inner pole wall of connecting rod is fixed with vice slider, main slider and vice slider slip are located main spout and vice spout, the connecting pipe wall is equipped with the pinhole, wear to be equipped with the pin in the pinhole, the connecting rod pole wall is equipped with the spacing groove, it is equipped. This connecting device can high-efficient stable two pipelines of connecting.)

1. The utility model provides a pipeline connecting device, its is used for connecting two root circle tubulose pipelines (1), and two pipelines (1) are close to the pipe wall of tip and respectively are equipped with a set of connecting hole (11) that distribute along pipeline (1) circumference, connecting hole (11) trompil direction radially set up along pipeline (1), its characterized in that: the connecting device comprises a round sleeve-shaped inner connecting sleeve (2) and a round sleeve-shaped outer connecting sleeve (3) which is sleeved on the outer wall of the inner connecting sleeve (2) in a matching manner, the connecting device further comprises two groups of connecting mechanisms which are respectively matched and connected with two groups of connecting holes (11) on two pipelines (1), the group of connecting mechanisms comprise a plurality of pipe holes (21) which are distributed along the circumferential direction of the inner connecting sleeve (2), the opening direction of the pipe holes (21) is radially arranged along the inner connecting sleeve (2), the group of connecting mechanisms further comprises a plurality of pipe channels which are positioned on the inner wall of the outer connecting sleeve (3) and are arc-shaped opening groove-shaped pipe grooves (31) which are arranged along the circumferential direction of the outer connecting sleeve (3), the plurality of pipe grooves (31) are distributed along the circumferential direction of the outer connecting sleeve (3), and the wall of the pipe grooves (31) is respectively provided with a main sliding groove (32) and an auxiliary, the main chute (32) is sequentially a first section, a middle section and a last section along the length direction, the first section, the middle section and the last section of the main chute (32) are respectively sequentially corresponding to the first section, the middle section and the last section of the auxiliary chute (33), the distance from the front end to the rear end of the first section of the main chute (32) to the inner wall of the outer connecting sleeve (3) is gradually reduced, the distance from the front end to the rear end of the middle section of the main chute (32) is the same as the distance from the inner wall of the outer connecting sleeve (3), the distance from the front end to the rear end of the last section of the main chute (32) to the inner wall of the outer connecting sleeve (3) is gradually increased, the radial distance between the first section and the first section of the auxiliary chute (33) of the main chute (32) is a, the radial distance between the middle section and the last section of the main chute (32) and the last section of the auxiliary chute (33) of the outer connecting sleeve (3) is b, the radial distance between the front end and the front end of the auxiliary chute (33) of the main chute (32) and the, the radial distance between the middle section rear end of the main sliding groove (32) and the middle section rear end of the auxiliary sliding groove (33) in the outer connecting sleeve (3) is b, the connecting device further comprises a tubular connecting pipe (4) and a rod-shaped connecting rod (5) which is movably matched and arranged in the connecting pipe (4), the connecting pipe (4) is matched and penetrates into the pipe hole (21), the outer wall of the inner end of the connecting pipe (4) is fixed with a main sliding block (41), the inner end of the connecting rod (5) stretches out from the inner end of the connecting pipe (4), the rod wall of the inner end of the connecting rod (5) is fixed with an auxiliary sliding block (51), the main sliding block (41) and the auxiliary sliding block (51) are respectively positioned on the main sliding groove (32) and the auxiliary sliding groove (33) in a sliding manner, a pin hole (42) which is radially arranged along the connecting pipe (4) is arranged on the pipe wall of the outer end of the connecting pipe, the length direction of the limiting groove (52) and the axis of the connecting rod (5) form an angle, a limiting block (44) is arranged in the limiting groove (52) in a sliding mode, the inner end of the pin (43) is fixed with the limiting block (44), a is smaller than b, and the difference value between a and b is the length of the limiting groove (52) in the axial direction of the connecting rod (5);

when the main sliding block (41) and the auxiliary sliding block (51) are respectively positioned at the front end of the first section of the main sliding chute (32) and the front end of the first section of the auxiliary sliding chute (33), the outer ends of the connecting pipes (4) are positioned in the pipe holes (21), the inner connecting sleeves (2) can be respectively sleeved on the outer walls of the end parts of the two pipelines (1) in a matching way, the outer connecting sleeves (3) are rotated relative to the inner connecting sleeves (2), so that the main sliding block (41) and the auxiliary sliding blocks (51) are respectively moved to the rear end of the first section of the main sliding chute (32) and the rear end of the first section of the auxiliary sliding chute (33), the outer ends of the connecting pipes (4) of the two groups of connecting devices are moved out of the pipe holes (21) and are arranged in the two groups of connecting holes (11) in a matching way, and the outer connecting sleeves (3) can be continuously rotated relative to the inner connecting sleeves (2), so that the main sliding block (41) and the auxiliary, and the connecting rod (5) moves towards the outer end of the connecting pipe (4) along the axial direction of the connecting pipe (4), the pin (43) extends out of the pin hole (42) and is positioned in the pipeline (1), the outer connecting sleeve (3) can continuously rotate relative to the inner connecting sleeve (2), the main sliding block (41) and the auxiliary sliding block (51) move on the tail section of the main sliding groove (32) and the tail section of the auxiliary sliding groove (33) respectively, the connecting pipe (4) moves inwards, and the pin (43) is tightly pressed against the inner wall of the pipeline (1).

2. A pipe connecting device according to claim 1, wherein: the inner connecting sleeve (2) is characterized in that the outer walls of two ends of the inner connecting sleeve (2) are coaxially fixed with baffle rings (22) of a conical sleeve-shaped structure respectively, the included angle between the outer wall of the baffle ring (22) and the pipeline (1) is an obtuse angle, the inner connecting sleeve further comprises two round sleeve-shaped baffle sleeves (26) which are coaxially arranged, one ends of the two baffle sleeves (26) which are opposite are respectively fixed with the large-caliber ends of the two baffle rings (22), the inner connecting sleeve further comprises an adjusting sleeve (6) which is sleeved on the outer wall of the outer connecting sleeve (3) in a matching way, the two baffle sleeves (26) are respectively sleeved on the outer walls of two ends of the adjusting sleeve (6) in a movable matching way, the inner wall of the adjusting sleeve (6) and the outer wall of the outer connecting sleeve (3) are in non-circular sleeve-shaped structures which are mutually matched, the outer wall of the adjusting sleeve (6) is in a circular sleeve-shaped structure which is matched with the inner wall of the baffle sleeve (26), an adjusting ring (61), reset spring (62) both ends respectively with adjusting ring (61) and outer adapter sleeve (3) top offset to promote adjusting sleeve (6), make adjusting ring (61) offset with fender ring (22) that correspond, and adjusting ring (61) and fender ring (22) that correspond go up and be equipped with respectively tooth (63) and tooth's socket (23) that can intermeshing, tooth (63) and tooth's socket (23) distribute along adjusting ring (61) and fender ring (22) circumference respectively.

3. A pipe connecting device according to claim 2, wherein: tooth's socket (23) and tooth (63) be intermeshing's one-way tooth structure, and relative keeping off cover (26) forward rotation adjusting collar (6), make adjusting collar (6) drive outer joint cover (3) relative inner joint cover (2) and rotate, make main slider (41) remove to the rear end in-process from main spout (32) front end, tooth (63) can mesh with different tooth's socket (23) cooperation, and can follow outer joint cover (3) axial displacement adjusting collar (6), make tooth's socket (23) and tooth (63) separation to keep off cover (26) reverse rotation adjusting collar (6) relatively, make main slider (41) remove to the front end from main spout (32) rear end.

4. A pipe connecting device according to claim 1, wherein: the front end of the first section of the main sliding groove (32) and the front end of the first section of the auxiliary sliding groove (33) are respectively provided with a concave point-shaped positioning point (34), when the main sliding block (41) and the auxiliary sliding block (51) are respectively positioned at the front end of the first section of the main sliding groove (32) and the front end of the first section of the auxiliary sliding groove (33), the main sliding block (41) and the auxiliary sliding block (51) are respectively embedded in the corresponding positioning points (34), the inner wall of the inner connecting sleeve (2) is coaxially provided with a circular positioning ring (24), the positioning ring (24) is positioned between the two groups of connecting mechanisms, and the positioning ring (24) is clamped between the end parts of the two pipelines (1).

5. A pipe connecting device according to claim 1, wherein: the pipe groove (31) is a spiral groove structure surrounding the axis of the outer connecting sleeve (3).

6. A pipe connecting device according to claim 1, wherein: the length direction of the pin (43) is arranged along the axial direction of the inner connecting sleeve (2).

7. A pipe connecting device according to claim 1, wherein: the coaxial two inside seal groove (25) that are equipped with of inside connection cover (2) inner wall, outside connection cover (3) inner wall is coaxial to be equipped with two outside seal groove (35), two sets of coupling mechanisms are located between two inside seal groove (25) to and be located between two outside seal groove (35), inside seal groove (25) and outside seal groove (35) on overlap respectively and have inside seal circle and outer seal circle, and inside seal circle and pipeline (1) outer wall laminating, the laminating of outer seal circle and inside connection cover (2) outer wall.

8. A pipe connecting device according to claim 2, wherein: the outer wall of the adjusting sleeve (6) and the outer wall of the blocking sleeve (26) are respectively provided with anti-skid grains.

9. A pipe connecting device according to claim 2, wherein: the outer wall of the adjusting sleeve (6) is provided with an operation mark with an arrow.

10. A method of using a pipe connection, comprising: the method comprises an installation method and a disassembly method:

the installation method comprises the following steps: the pipeline (1) and the connecting device are respectively held by two hands, the two pipelines (1) are respectively inserted into two ends of the inner connecting sleeve (2) and clamping the positioning ring (24), then the blocking sleeve (26) and the adjusting sleeve (6) are respectively held by the two hands, the adjusting sleeve (6) is rotated in the forward direction relative to the blocking sleeve (26), the adjusting sleeve (6) drives the outer connecting sleeve (3) to rotate relative to the inner connecting sleeve (2) until the pin (43) is tightly pressed against the inner wall of the pipeline (1);

the disassembling method comprises the following steps: the blocking sleeve (26) and the adjusting sleeve (6) are respectively held by two hands, the adjusting sleeve (6) is axially moved along the outer connecting sleeve (3) to separate the tooth grooves (23) from the teeth (63), the adjusting sleeve (6) is reversely rotated relative to the blocking sleeve (26), the main sliding block (41) is moved to the front end from the rear end of the main sliding groove (32), and then the connecting device and the two pipelines (1) are separated.

Technical Field

The invention belongs to the technical field of pipelines, and relates to a pipeline connecting device and a using method thereof.

Background

Two drain pipes are often required to be in sealing butt joint, and a connecting device is usually adopted to quickly connect the two drain pipes; at present, internal threads are directly arranged at two ends of the connecting device, external threads are arranged at the end part of the drain pipe, the connecting device is connected with the drain pipe in a butt joint mode through threads and matched with glue for fixation, the connecting strength of the connecting device is low, and the stability of connection between the connecting device and the pipeline can be influenced due to slight deformation of the pipeline or the connecting device.

Compared with the traditional thread direct butt joint mode, the Chinese patent application with the application number of 201910347263.2 and the name of 'a pipeline quick connection structure and an assembling and disassembling method thereof' can obviously improve the connection strength between a pipeline and a connection device, but has the following problems:

1. in the dismounting and mounting processes, a plurality of fasteners are required to be sequentially and respectively mounted and dismounted, so that the mounting and dismounting are very troublesome and inefficient, and the rapid mounting and dismounting cannot be carried out;

2. threaded fastener receives fluid influence easily, leads to screw rod and nut spiro union department not hard up, then direct influence connection stability.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a pipeline connecting device capable of efficiently and stably connecting two pipelines and a using method thereof.

The purpose of the invention can be realized by the following technical scheme: the utility model provides a pipeline connecting device, its is used for connecting two root circle tubulose pipelines, and the pipe wall that two pipelines are close to the tip respectively is equipped with a set of connecting hole along pipeline circumference distribution, connecting hole trompil direction radially set up its characterized in that along the pipeline: the connecting device comprises a round sleeve-shaped inner connecting sleeve and a round sleeve-shaped outer connecting sleeve which is matched with the inner connecting sleeve and is arranged on the outer wall of the inner connecting sleeve, the connecting device further comprises two groups of connecting mechanisms, the two groups of connecting mechanisms are matched and connected with two groups of connecting holes on two pipelines respectively, the group of connecting mechanisms comprise a plurality of pipe holes which are distributed along the circumferential direction of the inner connecting sleeve, the hole opening direction of the pipe holes is radially arranged along the inner connecting sleeve, the group of connecting mechanisms further comprises a plurality of arc-shaped slotted pipe grooves which are arranged on the inner wall of the outer connecting sleeve along the circumferential direction of the outer connecting sleeve, the plurality of pipe grooves are distributed along the circumferential direction of the outer connecting sleeve, the wall of each pipe groove is provided with a main sliding groove and an auxiliary sliding groove respectively along the length direction, the main sliding groove is sequentially a first section, a middle section and an end section, and the first section, the middle section and, The auxiliary chute middle section and the auxiliary chute end section correspond in sequence, the distance between the front end and the rear end of the main chute head section and the inner wall of the outer connecting sleeve is gradually reduced, the distance between the front end and the rear end of the main chute middle section and the inner wall of the outer connecting sleeve is the same, the distance between the front end and the rear end of the main chute end section and the inner wall of the outer connecting sleeve is gradually increased, the radial distance between the main chute head section and the auxiliary chute head section at the outer connecting sleeve is a, the radial distance between the main chute end section and the auxiliary chute end section at the outer connecting sleeve is b, the radial distance between the main chute middle section rear end and the auxiliary chute middle section rear end at the outer connecting sleeve is b, the auxiliary chute middle section and the auxiliary chute end at the outer connecting sleeve also comprise a tubular connecting pipe and a rod-shaped connecting rod which is movably matched and penetrated in the connecting pipe, the connecting pipe is matched and penetrated into the pipe, an auxiliary sliding block is fixed on the rod wall at the inner end of the connecting rod, the main sliding block and the auxiliary sliding block are respectively positioned on the main sliding groove and the auxiliary sliding groove in a sliding mode, a pin hole is formed in the pipe wall, close to the outer end, of the connecting pipe in the radial direction of the connecting pipe, a rod-shaped pin penetrates through the pin hole in a movable mode, a limiting groove is formed in the rod wall of the connecting rod, the length direction of the limiting groove and the axis of the connecting rod are arranged in an angle mode, a limiting block is arranged in the limiting groove in a sliding mode, the inner end of the pin is fixed with the limiting block, a is smaller than b;

when the main slide block and the auxiliary slide block are respectively positioned at the front end of the first section of the main chute and the front end of the first section of the auxiliary chute, the outer end of the connecting pipe is positioned in the pipe hole, the inner connecting sleeve can be respectively matched and sleeved on the outer walls of the end parts of the two pipelines, the outer connecting sleeve can rotate relative to the inner connecting sleeve, the main slide block and the auxiliary slide block can respectively move to the rear end of the first section of the main chute and the rear end of the first section of the auxiliary chute, the outer ends of the connecting pipes of the two groups of connecting devices are moved out of the pipe hole and are matched and penetrated into the two groups of connecting holes, the outer connecting sleeve can be continuously rotated relative to the inner connecting sleeve, the main slide block and the auxiliary slide block can respectively move to the rear end of the middle section of the main chute and the rear end of the auxiliary chute, the connecting rod can move towards the outer end of the connecting pipe along the axial direction of the connecting pipe, the pin extends out of the pin, and the connecting pipe moves towards the inner end, and the pin is tightly propped against the inner wall of the pipeline.

When the connecting device is used, the group of connecting pipes can be quickly connected with the group of connecting holes only by rotating the outer connecting sleeve relative to the inner connecting sleeve, otherwise, the group of connecting pipes can be quickly separated from the group of connecting holes, so that the mounting and dismounting processes are very simple and efficient; after the connecting device is installed, the pin is tightly propped against the inner wall of the pipeline, so that the pipeline and the connecting device can be connected with high strength, and meanwhile, the connecting device cannot be affected by fluid to cause looseness, and the overall connection stability can be obviously improved; the distance between the main sliding chute and the inner wall of the outer connecting sleeve plays a role in controlling the relative position of the connecting pipe and the inner connecting sleeve, the distance between the main sliding chute and the auxiliary sliding chute plays a role in controlling the relative position of the pin and the connecting pipe, and the positions of the main sliding chute and the auxiliary sliding chute are fully matched with the whole rotating process, so the device has a very ingenious structure; the connecting pipe is matched with the connecting hole, and the connecting pipe can be adapted to pipelines with different thicknesses; and the connecting device has fewer leakage parts and can obviously improve the sealing strength after connection.

In the above-mentioned pipeline connecting device, the outer walls of both ends of the inner connecting sleeve are respectively and coaxially fixed with a retaining ring with a conical sleeve-shaped structure, the included angle between the outer wall of the retaining ring and the pipeline is an obtuse angle, the pipeline connecting device further comprises two coaxially arranged circular sleeve-shaped retaining sleeves, the opposite ends of the two retaining sleeves are respectively fixed with the large-caliber ends of the two retaining rings, the pipeline connecting device further comprises an adjusting sleeve matched and sleeved on the outer wall of the outer connecting sleeve, the two retaining sleeves are respectively and movably matched and sleeved on the outer walls of both ends of the adjusting sleeve, the inner wall of the adjusting sleeve and the outer wall of the outer connecting sleeve are of non-circular sleeve-shaped structures matched with each other, the outer wall of the adjusting sleeve is of a circular sleeve-shaped structure matched with the inner wall of the retaining sleeve, the inner wall of the top end of the adjusting sleeve is coaxially fixed with an adjusting ring matched with the retaining ring, the pipeline connecting device further comprises a reset, make the adjustable ring offset with the fender ring that corresponds, and be equipped with respectively on adjustable ring and the fender ring that corresponds and can intermeshing tooth and tooth's socket, tooth and tooth's socket respectively along adjustable ring and fender ring circumference distribution.

The teeth and the tooth grooves which are meshed with each other are arranged, so that the adjusting sleeve can drive the outer connecting sleeve to rotate only after the adjusting sleeve moves axially, and therefore, the anti-loosening effect is achieved.

In foretell a pipe connection device, tooth's socket and tooth be intermeshing's one-way tooth structure, and relative keeping off the cover forward rotation adjusting collar, make the adjusting collar drive the relative internal connection cover of outer joint cover and rotate, make main slider remove to the rear end in-process from main spout front end, tooth can mesh with different tooth's sockets cooperation, and can follow outer joint cover axial displacement adjusting collar, make tooth's socket and tooth separation to relative keeping off the cover reverse rotation adjusting collar, make main slider remove to the front end from main spout rear end.

Therefore, the adjusting sleeve can be directly rotated in the installation process, and the adjusting sleeve can be rotated only after the adjusting sleeve is moved in the axial direction in the disassembly process, so that the operation is more convenient while the operation is safer.

In the above pipe connection device, the front end of the first section of the main chute and the front end of the first section of the auxiliary chute are respectively provided with a concave positioning point, and when the main slider and the auxiliary slider are respectively positioned at the front ends of the first sections of the main chute and the auxiliary chute, the main slider and the auxiliary slider are respectively embedded in the corresponding positioning points, the inner wall of the inner connecting sleeve is coaxially provided with a circular positioning ring, and the positioning ring is positioned between the two sets of connecting mechanisms, and the positioning ring is clamped between the two pipe ends.

The initial state of the connecting device can be quickly determined by utilizing the positioning points, and the pipeline and the connecting device can be quickly positioned by utilizing the positioning ring, so that the connecting pipe and the connecting hole are positioned.

In the above pipeline connecting device, the pipe groove is a spiral groove structure surrounding the axis of the outer connecting sleeve.

Therefore, the length of the pipe groove can be prolonged, so that the length of the first section of the main sliding groove is prolonged, the connecting device can adapt to pipelines with different thicknesses, the length of the last section of the main sliding groove is prolonged, the connecting pipe can be adjusted in a smaller range, and the pin further abuts against the pipeline.

In the above pipe connecting device, the pin is disposed along the axial direction of the inner connecting sleeve in the longitudinal direction.

Therefore, the stability of the pin can be improved, the pin is further abutted against the inner wall of the pipeline, and the pin is prevented from being influenced by the cambered surface of the inner wall of the pipeline.

In a foretell pipe connection device, the coaxial twice inside seal groove that is equipped with of inside connection cover inner wall, the coaxial twice outside seal groove that is equipped with of outside connection cover inner wall, two sets of coupling mechanisms are located between the twice inside seal groove to and be located between the twice outside seal groove, inside seal groove and outside seal groove on overlap respectively and have inside seal circle and outer seal circle, and inside seal circle and the laminating of pipeline outer wall, the laminating of outer seal circle and inside connection cover outer wall.

Thus, the overall sealing strength can be improved.

In the above pipe connection device, the outer wall of the adjusting sleeve and the outer wall of the blocking sleeve are respectively provided with anti-slip lines.

In the above pipe connecting device, the outer wall of the adjusting sleeve is provided with an operation mark with an arrow.

Thus, the operation can be more convenient.

In the above pipe connection device, the blocking sleeve, the blocking ring, the positioning ring and the inner connecting sleeve are of an integral structure, and the adjusting sleeve and the adjusting ring are of an integral structure.

The structure is more stable.

A method of using a pipe connection, comprising: the method comprises an installation method and a disassembly method:

the installation method comprises the following steps: the two hands respectively hold the pipeline and the connecting device, respectively insert the two pipelines into two ends of the inner connecting sleeve and clamp the positioning ring, then respectively hold the blocking sleeve and the adjusting sleeve, and positively rotate the adjusting sleeve relative to the blocking sleeve, so that the adjusting sleeve drives the outer connecting sleeve to rotate relative to the inner connecting sleeve until the pin is tightly pressed against the inner wall of the pipeline;

the disassembling method comprises the following steps: the blocking sleeve and the adjusting sleeve are respectively held by two hands, the adjusting sleeve is moved along the axial direction of the outer connecting sleeve to separate the tooth socket from the tooth teeth, the adjusting sleeve is reversely rotated relative to the blocking sleeve to enable the main sliding block to move from the rear end to the front end of the main sliding groove, and then the connecting device and the two pipelines are separated.

By the method, the pipeline and the connecting device can be quickly installed and dismantled.

Compared with the prior art, the invention has the following advantages:

1. when the connecting device is used, the group of connecting pipes can be quickly connected with the group of connecting holes only by rotating the outer connecting sleeve relative to the inner connecting sleeve, otherwise, the group of connecting pipes can be quickly separated from the group of connecting holes, so that the mounting and dismounting processes are very simple and efficient;

2. after the connecting device is installed, the pin is tightly propped against the inner wall of the pipeline, so that the pipeline and the connecting device can be connected with high strength, and meanwhile, the connecting device cannot be affected by fluid to cause looseness, and the overall connection stability can be obviously improved;

3. the distance between the main sliding chute and the inner wall of the outer connecting sleeve plays a role in controlling the relative position of the connecting pipe and the inner connecting sleeve, the distance between the main sliding chute and the auxiliary sliding chute plays a role in controlling the relative position of the pin and the connecting pipe, and the positions of the main sliding chute and the auxiliary sliding chute are fully matched with the whole rotating process, so the device has a very ingenious structure;

4. the connecting pipe is matched with the connecting hole, and the connecting pipe can be adapted to pipelines with different thicknesses;

5. and the connecting device has fewer leakage parts and can obviously improve the sealing strength after connection.

Drawings

Fig. 1 is a schematic view and a partial sectional view of the connection device in use.

Fig. 2 is a partially enlarged view of fig. 1.

Fig. 3 is a partially enlarged view of fig. 2.

Fig. 4 is a partially enlarged view of fig. 3.

Fig. 5-7 are schematic diagrams of three other states of fig. 3, respectively.

Fig. 8 is a transverse cross-sectional view of fig. 1.

Fig. 9 is a partially enlarged view of fig. 8.

FIG. 3 shows the main slide block and the auxiliary slide block respectively located at the end of the main chute and the end of the auxiliary chute;

FIG. 5 shows the main slider and the auxiliary slider respectively positioned at the front end of the end section of the main chute and the front end of the end section of the auxiliary chute;

FIG. 6 shows the main slide block and the auxiliary slide block respectively positioned at the rear end of the first section of the main chute and the rear end of the first section of the auxiliary chute;

FIG. 7 shows the state of the main slider and the auxiliary slider at the front end of the first section of the main chute and the front end of the first section of the auxiliary chute, respectively.

In the figure, the position of the upper end of the main shaft,

1. a pipeline; 11. connecting holes;

2. an inner connecting sleeve; 21. a tube hole; 22. a baffle ring; 23. a tooth socket; 24. a positioning ring; 25. an inner seal groove; 26. a blocking sleeve;

3. an outer connecting sleeve; 31. a pipe groove; 32. a main chute; 33. an auxiliary chute; 34. positioning points; 35. an outer seal groove;

4. a connecting pipe; 41. a main slider; 42. a pin hole; 43. a pin; 44. a limiting block;

5. a connecting rod; 51. a sub slider; 52. a limiting groove;

6. an adjusting sleeve; 61. an adjusting ring; 62. a return spring; 63. and (4) teeth.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-9, the pipe connection device of the present invention is used for connecting two circular pipe-shaped pipes 1, the pipe walls of the two pipes 1 near the end portions are respectively provided with a group of connection holes 11 distributed along the circumferential direction of the pipe 1, the opening direction of the connection holes 11 is arranged along the radial direction of the pipe 1, the connection device comprises a circular sleeve-shaped inner connection sleeve 2 and a circular sleeve-shaped outer connection sleeve 3 sleeved on the outer wall of the inner connection sleeve 2 in a matching manner, the connection device further comprises two groups of connection mechanisms, the two groups of connection mechanisms are respectively connected with the two groups of connection holes 11 on the two pipes 1 in a matching manner, one group of connection mechanisms comprises a plurality of pipe holes 21 distributed along the circumferential direction of the inner connection sleeve 2, the opening direction of the pipe holes 21 is arranged along the radial direction of the inner connection sleeve 2, the one group of connection mechanisms further comprises a plurality of pipe grooves 31 positioned on the inner wall of the outer, the groove wall of the pipe groove 31 is respectively provided with a main sliding groove 32 and an auxiliary sliding groove 33 along the length direction, the main sliding groove 32 sequentially comprises a first section, a middle section and a last section along the length direction, the first section, the middle section and the last section of the main sliding groove 32 respectively correspond to the first section, the middle section and the last section of the auxiliary sliding groove 33 sequentially, the distance from the front end to the back end of the first section of the main sliding groove 32 to the inner wall of the outer connecting sleeve 3 is gradually reduced, the distance from the front end to the back end of the middle section of the main sliding groove 32 to the inner wall of the outer connecting sleeve 3 is the same as that of the inner wall of the outer connecting sleeve 3, the distance from the front end to the back end of the last section of the main sliding groove 32 to the inner wall of the outer connecting sleeve 3 is gradually increased, the radial distance between the first section of the main sliding groove 32 and the first section of the auxiliary sliding groove 33 at the outer connecting sleeve 3 is a, the radial distance between the middle section of the main sliding groove 32 and the middle section of the auxiliary sliding groove 33 at the outer, the pipe-shaped connecting pipe is characterized by further comprising a tubular connecting pipe 4 and a rod-shaped connecting rod 5 which is movably arranged in the connecting pipe 4 in a matched mode, the connecting pipe 4 is inserted into the pipe hole 21 in a matched mode, a main sliding block 41 is fixed on the outer wall of the inner end of the connecting pipe 4, the inner end of the connecting rod 5 extends out of the inner end of the connecting pipe 4, an auxiliary sliding block 51 is fixed on the rod wall of the inner end of the connecting rod 5, the main sliding block 41 and the auxiliary sliding block 51 are located on the main sliding groove 32 and the auxiliary sliding groove 33 in a sliding mode respectively, a pin hole 42 which is arranged along the radial direction of the connecting pipe 4 is formed in the pipe wall of the outer end of the connecting pipe 4, a rod-shaped pin 43 is movably arranged in the pin hole 42 in a penetrating mode, a limiting groove 52 is formed in the rod wall of the connecting rod;

when the main slider 41 and the auxiliary slider 51 are respectively positioned at the front end of the first section of the main chute 32 and the front end of the first section of the auxiliary chute 33, the outer ends of the connecting pipes 4 are positioned in the pipe holes 21, the inner connecting sleeves 2 can be respectively sleeved on the outer walls of the end parts of the two pipelines in a matching manner, the outer connecting sleeves 3 can be rotated relative to the inner connecting sleeves 2, the main slider 41 and the auxiliary sliders 51 can be respectively moved to the rear end of the first section of the main chute 32 and the rear end of the first section of the auxiliary chute 33, the outer ends of the connecting pipes 4 of the two groups of connecting devices can be moved out of the pipe holes 21 and are arranged in the two groups of connecting holes 11 in a matching manner, the outer connecting sleeves 3 can be continuously rotated relative to the inner connecting sleeves 2, the main slider 41 and the auxiliary sliders 51 can be respectively moved to the rear end of the middle section of the main chute 32 and the rear end of the middle section of the auxiliary chute 33, the connecting rods 5 can be moved, the main slide 41 and the secondary slide 51 are moved over the end of the main runner 32 and the end of the secondary runner 33, respectively, and the connecting pipe 4 is moved towards the inner end and the pin 43 is pressed against the inner wall of the pipe.

Further, the outer walls of two ends of the inner connecting sleeve 2 are respectively and coaxially fixed with a baffle ring 22 with a conical sleeve-shaped structure, the included angle between the outer wall of the baffle ring 22 and the pipeline 1 is an obtuse angle, the pipeline device also comprises two coaxially arranged circular sleeve-shaped baffle sleeves 26, the opposite ends of the two baffle sleeves 26 are respectively fixed with the large caliber ends of the two baffle rings 22, the pipeline device also comprises an adjusting sleeve 6 which is sleeved on the outer wall of the outer connecting sleeve 3 in a matching way, the two baffle sleeves 26 are respectively and movably sleeved on the outer walls of two ends of the adjusting sleeve 6, the inner wall of the adjusting sleeve 6 and the outer wall of the outer connecting sleeve 3 are of mutually matched non-circular sleeve-shaped structures, the outer wall of the adjusting sleeve 6 is of a circular sleeve-shaped structure matched with the inner wall of the baffle sleeve 26, the inner wall of the top end of the adjusting sleeve 6 is coaxially fixed with an adjusting ring 61 matched with the baffle ring 22, the reset spring 62 is positioned, and the adjusting sleeve 6 is pushed to enable the adjusting ring 61 to be abutted against the corresponding retaining ring 22, the adjusting ring 61 and the corresponding retaining ring 22 are respectively provided with teeth 63 and tooth sockets 23 which can be meshed with each other, and the teeth 63 and the tooth sockets 23 are respectively distributed along the circumferential direction of the adjusting ring 61 and the retaining ring 22. The tooth spaces 23 and the teeth 63 are of mutually meshed one-way tooth structures, the adjusting sleeve 6 is rotated in the forward direction relative to the blocking sleeve 26, the adjusting sleeve 6 drives the outer connecting sleeve 3 to rotate relative to the inner connecting sleeve 2, the main sliding block 41 moves from the front end to the rear end of the main sliding groove 32, the teeth 63 can be meshed with different tooth spaces 23 in a matched mode, the adjusting sleeve 6 can move in the axial direction of the outer connecting sleeve 3, the tooth spaces 23 and the teeth 63 are separated, the adjusting sleeve 6 is rotated in the reverse direction relative to the blocking sleeve 26, and the main sliding block 41 moves from the rear end to the front end of the main sliding groove 32. The front end of the first section of the main chute 32 and the front end of the first section of the auxiliary chute 33 are respectively provided with a concave positioning point 34, when the main slider 41 and the auxiliary slider 51 are respectively positioned at the front end of the first section of the main chute 32 and the front end of the first section of the auxiliary chute 33, the main slider 41 and the auxiliary slider 51 are respectively embedded in the corresponding positioning points 34, the inner wall of the inner connecting sleeve 2 is coaxially provided with a circular positioning ring 24, the positioning ring 24 is positioned between the two groups of connecting mechanisms, and the positioning ring 24 is clamped between the end parts of two pipelines. The pipe groove 31 is a spiral groove structure around the axis of the outer connecting sleeve 3. The pin 43 is disposed along the inner joint sleeve 2 in the longitudinal direction. The coaxial twice inner seal groove 25 that is equipped with of 2 inner walls of inner connecting sleeve, the coaxial twice outer seal groove 35 that is equipped with of 3 inner walls of outer connecting sleeve, two sets of coupling mechanism are located between the twice inner seal groove 25 to and be located between the twice outer seal groove 35, and the cover has inner seal circle and outer seal circle respectively on inner seal groove 25 and the outer seal groove 35, and the laminating of inner seal circle and pipeline outer wall, the laminating of outer seal circle and 2 outer walls of inner connecting sleeve. The outer wall of the adjusting sleeve 6 and the outer wall of the blocking sleeve 26 are respectively provided with anti-skid grains. The outer wall of the adjusting sleeve 6 is provided with an operation mark with an arrow. The retaining sleeve 26, the retaining ring 22, the positioning ring 24 and the inner connecting sleeve 2 are integrated, and the adjusting sleeve 6 and the adjusting ring 61 are integrated.

A use method of the pipeline connecting device comprises an installation method and a disassembly method:

the installation method comprises the following steps: the two hands respectively hold the pipeline and the connecting device, the two pipelines are respectively inserted into two ends of the inner connecting sleeve 2 and clamp the positioning ring 24, then the two hands respectively hold the blocking sleeve 26 and the adjusting sleeve 6 and positively rotate the adjusting sleeve 6 relative to the blocking sleeve 26, so that the adjusting sleeve 6 drives the outer connecting sleeve 3 to rotate relative to the inner connecting sleeve 2 until the pin 43 is tightly pressed against the inner wall of the pipeline;

the disassembling method comprises the following steps: the two hands respectively hold the blocking sleeve 26 and the adjusting sleeve 6, and move the adjusting sleeve 6 along the axial direction of the outer connecting sleeve 3 to separate the tooth grooves 23 and the teeth 63, reversely rotate the adjusting sleeve 6 relative to the blocking sleeve 26 to move the main sliding block 41 from the rear end to the front end of the main sliding chute 32, and then separate the connecting device and the two pipelines.

When the connecting device is used, the group of connecting pipes 4 can be quickly connected with the group of connecting holes 11 only by rotating the outer connecting sleeve 3 relative to the inner connecting sleeve 2, otherwise, the group of connecting pipes 4 are quickly separated from the group of connecting holes 11, so that the mounting and dismounting processes are very simple and efficient; after the connecting device is installed, the pin 43 is tightly propped against the inner wall of the pipeline 1, so that the pipe fitting 1 and the connecting device can be connected with high strength, and meanwhile, the pipe fitting is not affected by fluid to cause looseness, and the integral connection stability can be obviously improved; the distance between the main chute 32 and the inner wall of the outer connecting sleeve 3 plays a role in controlling the relative position of the connecting pipe 4 and the inner connecting sleeve 2, the distance between the main chute 32 and the auxiliary chute 33 plays a role in controlling the relative position of the pin 43 and the connecting pipe 4, and the positions of the main chute 32 and the auxiliary chute 33 are fully matched with the whole rotating process, so the device has a skillful structure; the connecting pipe 4 is matched with the connecting hole 11, and the connecting pipe can be adapted to pipelines 1 with different thicknesses; and the connecting device has fewer leakage parts and can obviously improve the sealing strength after connection.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although the terms of the pipe 1, the connecting hole 11, the inner connecting sleeve 2, the pipe hole 21, the baffle ring 22, the tooth groove 23, the positioning ring 24, the inner sealing groove 25, the baffle sleeve 26, the outer connecting sleeve 3, the pipe groove 31, the main sliding groove 32, the auxiliary sliding groove 33, the positioning point 34, the outer sealing groove 35, the connecting pipe 4, the main slider 41, the pin hole 42, the pin 43, the stopper 44, the connecting rod 5, the auxiliary slider 51, the stopper groove 52, the adjusting sleeve 6, the adjusting ring 61, the return spring 62, the teeth 63, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.