CN217234721U

CN217234721U - Anti-loosening pipeline joint

Info

Publication number: CN217234721U
Application number: CN202220223696.4U
Authority: CN
Inventors: 孟丽莉; 尹昱力; 任广言; 陈琳
Original assignee: Xiyue Aviation Technology Shanghai Co ltd
Current assignee: Xiyue Aviation Technology Shanghai Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-08-19
Anticipated expiration: 2032-01-27

Abstract

The utility model relates to an industrial products technical field specifically is a locking pipeline connects, including first body, the second body and connect the adapter sleeve between first body and second body, first body and second body and the equal fixedly connected with flaring pipe box of adapter sleeve connection one end, in the flaring pipe box, the outside all is equipped with the screw thread, adapter sleeve both ends face all opened the connection notch with flaring pipe box threaded connection, the flaring pipe box is equipped with the first arch that the round is three diamond column structures with the one end of being connected of connection notch, it is protruding to be equipped with the round second corresponding with first arch in the connection notch. The utility model discloses a flaring pipe box and adapter sleeve, when two bodys are connected, the reverse auto-lock to the flaring pipe box is realized to the first protruding mutual interlock of second in the first arch of flaring pipe box tip and the adapter sleeve, and then avoids taking place between two bodys not hard up, guarantees the steady operation with pipeline connected equipment.

Description

Anti-loosening pipeline joint

Technical Field

The utility model relates to an industrial products technical field specifically is a locking pipeline connects.

Background

In modern industries, such as airplanes, high-speed rails, automobiles, air conditioners, ships, motorcycles (boats), domestic water pumps, air compressors, boilers, transformers, oil pumps, shields, robots, power stations, petrochemical industry, military, aerospace and the like all need to use pipelines, and therefore, the looseness prevention of the connection of hydraulic and pneumatic pipelines is indispensable.

Most joints can not become flexible after traditional hydropneumatic pipeline connects to screw up, but the pipeline that the vibrations range is big and the high-pressure line of frequent punching press pressure release still can take place not hard up, and then the oil leak causes troubles such as equipment shut down.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a locking pipeline connects can avoid taking place between two root canals body not hard up, guarantees with the steady operation of pipeline connected equipment, has solved between the current pipeline and has easily taken place not hard up problem when using under the great environment of vibration range.

(II) technical scheme

In order to realize the aforesaid and to avoid taking place between two bodys not hard up, guarantee with the purpose of the steady operation of pipeline connected equipment, the utility model provides a following technical scheme: the utility model provides a locking pipeline connects, include first body, second body and connect in first body with adapter sleeve between the second body, first body and second body with the equal fixedly connected with flaring pipe box of adapter sleeve connection one end, the inside and outside of flaring pipe box all is equipped with the screw thread, adapter sleeve both ends face all open with flaring pipe box threaded connection's connection notch, the flaring pipe box with the one end that the connection notch is connected is equipped with the first arch that the round is the rhombus structure, be equipped with in the connection notch with first protruding corresponding round second is protruding.

Optionally, an annular cavity with a cross section in a triangular structure is formed between the two ends of the connecting sleeve and the inner side wall of the flaring pipe sleeve, and a first sealing ring is installed in the annular cavity.

Optionally, the first protrusion and the second protrusion have the same width, and two second sealing rings with different diameters are respectively arranged on the inner side and the outer side of the first protrusion.

Optionally, an outer hexagon nut is formed by cutting the outer wall of the connecting sleeve, and the outer hexagon nut and the connecting sleeve are coaxially arranged.

Optionally, an annular welding portion with a triangular cross section is formed at a connection position between the first pipe body and the flaring pipe sleeve connected to one end of the first pipe body and a connection position between the second pipe body and the flaring pipe sleeve connected to one end of the second pipe body.

Optionally, positioning flanges are formed at one ends, far away from the connecting sleeve, of the two flaring pipe sleeves, and positioning grooves matched with the positioning flanges are formed in the inner walls of the first pipe body and the second pipe body.

(III) advantageous effects

Compared with the prior art, the utility model provides a locking pipeline connects possesses following beneficial effect:

1. the utility model discloses a set up the flaring pipe box at the relative end of two bodys that need interconnect, and connect through the connecting sleeve between two flaring pipe boxes, set up first arch and second arch in flaring pipe box tip and spread groove respectively simultaneously, two flaring pipe boxes are twisted into spread groove simultaneously, utilize the second arch of first arch to interlock each other and realize the reverse auto-lock to the flaring pipe box, and then avoid taking place to become flexible between two bodys, guarantee with the stable operation of the pipeline connected equipment;

2. the two annular first sealing rings are clamped between the two ends of the connecting sleeve and the inner side walls of the two flaring pipe sleeves, so that the flaring pipe sleeves of the connecting sleeve form effective sealing, and the air tightness between the connecting sleeve and the flaring pipe sleeves is improved;

3. the utility model discloses an at the outer hexagon nut of adapter sleeve outer wall, the outer hexagon spanner of staff's accessible comes swivelling joint sleeve pipe with hexagon nut's cooperation, and labour saving more like this to improve the leakproofness behind adapter sleeve and the flaring pipe box coupling.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of a second pipe body and a flared pipe sleeve of the present invention;

FIG. 3 is a schematic view of the overall split structure of the present invention;

FIG. 4 is a sectional structure diagram of the connection sleeve of the present invention;

fig. 5 is a schematic view of the front view cross-section structure of the present invention.

In the figure: 1. a first pipe body; 2. a second tube body; 3. a flaring pipe sleeve; 4. connecting a sleeve; 40. an outer hexagonal nut; 41. a connection notch; 5. a first protrusion; 6. a first seal ring; 7. a second seal ring; 8. a positioning flange; 9. positioning a groove; 10. welding the part; 11. a second protrusion.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Example (b): referring to fig. 1 to 5, an embodiment of the present invention provides a technical solution: a pipeline joint preventing looseness comprises a first pipe body 1, a second pipe body 2 and a connecting sleeve 4 connected between the first pipe body 1 and the second pipe body 2, wherein one end, connected with the connecting sleeve 4, of each of the first pipe body 1 and the second pipe body 2 is fixedly connected with a flaring pipe sleeve 3, threads are arranged on the inner side and the outer side of each flaring pipe sleeve 3, two end faces of each connecting sleeve 4 are respectively provided with a connecting notch 41 in threaded connection with the flaring pipe sleeves 3, one end, connected with the connecting notch 41, of each flaring pipe sleeve 3 is provided with a circle of first protrusions 5 in a three-diamond-column structure, a circle of second protrusions 11 corresponding to the first protrusions 5 are arranged in each connecting notch 41, the flaring pipe sleeves 3 on the first pipe body 1 and the second pipe body 2 are respectively butted with the connecting notches 41 at two ends of the connecting sleeve 4, after butt joint, the connecting sleeve 4 is screwed, the two flaring pipe sleeves 3 can be simultaneously screwed into the connecting notches 41 until the first protrusions 5 on the flaring pipe sleeves 3 are meshed with the second protrusions 11 in the connecting notches, can realize the reverse auto-lock to flaring pipe box 3, and then avoid taking place between first body 1 and the second body 2 not hard up, guarantee with the steady operation of pipeline connected equipment.

In order to improve the air tightness between the connection sleeve 4 and the flaring sleeve 3, on the basis of the above embodiments, annular cavities with triangular cross sections are formed between the two ends of the connection sleeve 4 and the inner side walls of the two flaring sleeves 3, first seal rings 6 are installed in the annular cavities, and the first seal rings 6 are clamped between the inner walls of the flaring sleeves 3 and the end portions of the connection sleeve 4, so as to form a seal structure.

In order to further improve the air tightness between the connection sleeve 4 and the flaring sleeve 3, on the basis of the above embodiment, the first protrusion 5 and the second protrusion 11 of the present embodiment have the same width, the inner side and the outer side of the first protrusion 5 are respectively provided with two second sealing rings 7 with different diameters, and the second sealing rings 7 are clamped between the end portion of the flaring sleeve 3 and the inner wall of the connection sleeve, so as to form a second sealing structure, which can further prevent the liquid leakage or the gas leakage between the connection sleeve 4 and the flaring sleeve 3.

In order to save more labor when the first pipe body 1 and the second pipe body 2 are connected, on the basis of the above embodiment, the outer wall of the connecting sleeve 4 of the embodiment is cut to form the outer hexagon nut 40, and the outer hexagon nut 40 and the connecting sleeve 4 are coaxially arranged, so that a worker can rotate the connecting sleeve 4 by using an outer hexagon wrench, thereby saving more labor and ensuring better sealing performance after the connecting sleeve 4 is connected with the flaring pipe sleeve 3.

In order to make the connection between the first pipe body 1 and the flaring pipe sleeve 3 and between the second pipe body 2 and the flaring pipe sleeve 3 firmer, on the basis of the above embodiment, the connection position between the first pipe body 1 and the flaring pipe sleeve 3 connected to one end of the first pipe body and the connection position between the second pipe body 2 and the flaring pipe sleeve 3 connected to one end of the second pipe body are both formed with an annular welding part 10 with a triangular cross section, and the welding part 10 with a triangular structure increases the welding surface between the two pipe bodies and the flaring pipe sleeve 3, so that the welding between the pipe bodies and the flaring pipe sleeve 3 is firmer.

In order to facilitate welding and fixing between the first pipe body 1 and the flaring pipe sleeve 3 and between the second pipe body 2 and the flaring pipe sleeve 3, on the basis of the above embodiment, the positioning flanges 8 are formed at the ends, far away from the connecting sleeve 4, of the two flaring pipe sleeves 3 in the embodiment, the positioning grooves 9 matched with the positioning flanges 8 are formed in the inner walls of the first pipe body 1 and the second pipe body 2, and the positioning grooves 9 are inserted into the positioning grooves 9 through the positioning flanges 8 between the first pipe body 1 and the flaring pipe sleeve 3 and between the second pipe body 2 and the flaring pipe sleeve 3 for positioning, so that the welding between the first pipe body 2 and the flaring pipe sleeve 3 is facilitated, and the welding precision is ensured.

The working principle is as follows: the first pipe body 1 and the second pipe body 2 are respectively welded and fixed with the two flaring pipe sleeves 3, when in welding, flanges at the end parts of the two flaring pipe sleeves 3 are respectively inserted into the positioning grooves 9 at the end parts of the first pipe body 1 and the second pipe body 2 to realize radial spacing between the first pipe body 2 and the second pipe body 2 and the flaring pipe sleeves 3, then the first pipe body 1 and the second pipe body 2 are welded with the annular welding part 10 of the triangular structure between the two flaring pipe sleeves 3, finally, the first pipe body 2 and the second pipe body 2 with the flaring pipe sleeves 3 are connected with the connecting sleeve 4, when in connection, the flaring pipe sleeves 3 on the first pipe body 1 and the second pipe body 2 are respectively butted with the connecting notches 41 at the two ends of the connecting sleeve 4, the connecting sleeve 4 is screwed by using an external hexagonal wrench, the two flaring pipe sleeves 3 are simultaneously inserted into the connecting notches 41, when the first bulges 5 on the flaring pipe sleeves 3 are mutually meshed with the second bulges 11 in the connecting grooves, the connection work of the two connecting sleeves 4 and the connecting pipe sleeve is completed, and the connecting sleeve 4 and the connecting pipe sleeve after being connected are prevented from loosening between the first pipe body 1 and the second pipe body 2 due to the fact that reverse self-locking between the first protrusion 5 and the second protrusion 11 is utilized, and stable operation of equipment connected with a pipeline is guaranteed.

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. A locking pipeline connects which characterized in that: including first body (1), second body (2) and connect in first body (1) with connecting sleeve (4) between second body (2), first body (1) and second body (2) with the equal fixedly connected with flaring pipe box (3) of one end is connected in connecting sleeve (4), flaring pipe box (3) inside and outside all is equipped with the screw thread, connecting sleeve (4) both ends face all opened with flaring pipe box (3) threaded connection's connection notch (41), flaring pipe box (3) with the one end that connection notch (41) are connected is equipped with the first arch (5) that the round is three diamond column structures, be equipped with in connection notch (41) with the corresponding protruding (11) of round second of first arch (5).

2. A locking pipe coupling as claimed in claim 1, wherein: the two ends of the connecting sleeve (4) and the two inner side walls of the flaring pipe sleeves (3) are both provided with annular cavities with cross sections in triangular structures, and first sealing rings (6) are arranged in the annular cavities.

3. A locking pipe coupling as claimed in claim 1, wherein: the width of the first protrusion (5) is the same as that of the second protrusion (11), and two second sealing rings (7) with different diameters are arranged on the inner side and the outer side of the first protrusion (5) respectively.

4. A locking pipe coupling as claimed in claim 1, wherein: the outer wall of the connecting sleeve (4) is cut to form an outer hexagonal nut (40), and the outer hexagonal nut (40) and the connecting sleeve (4) are coaxially arranged.

5. A locking pipe coupling as claimed in claim 1, wherein: and annular welding parts (10) with triangular cross sections are formed at the connecting positions between the first pipe body (1) and the flaring pipe sleeves (3) connected with one end of the first pipe body and the connecting positions between the second pipe body (2) and the flaring pipe sleeves (3) connected with one end of the second pipe body.

6. A locking pipe coupling according to claim 5, wherein: two one end that flaring pipe box (3) kept away from adapter sleeve (4) all takes shape and has location flange (8), the inner wall of first body (1) and second body (2) all opened with location flange (8) looks adaptation constant head tank (9).