A kind of pipe joint
Technical field
The utility model relates to pipeline and connects design and application field, is specially a kind of pipe joint.
Background technique
At present, traditional pipe connector has been widely used in by plastic tube, composite pipe containing metallic material, such as, in the connection of the pipelines such as aluminium plastic composited tube or pipe.Present most widely used pipe joint, for the plastics tube head of an embedded coil spring sheet forms, the embedded processing technology of spring sheet is complicated, cause its cost very high, and, because spring sheet easily deforms, in actual use, gas leakage often within have more than is needed several days, will be there is or leak, even also useless, just cannot realize sealing adapter because of Spring deformation.This splicing loss rate is high, is not durable, to bringing a lot of trouble in production application.
Prior art has occurred primarily of pipe joint (main body), the pipe joint of nuion nut, retainer ring composition, wherein, nuion nut has the chamfering of handing-over or changeover portion between the internal thread and the inner ring surface of rear ring portion of its spiro union portion----namely in the conical surface, retainer ring is generally unconnected ring with an inclined slot.When mounted, take notice of that a headgear of pipe puts nuion nut and retainer ring, again this of pipe is inserted in pipe joint, nuion nut is screwed on pipe joint in advance, retainer ring is pressed on pipe simultaneously, but, in the process that nuion nut is tightened, the side of retainer ring and the chamfering conical surface phase rotating contact of nuion nut, produce larger surface friction drag, so considerably increase the labor intensity of workman.On the other hand, retainer ring is unconnected ring, so all easily deformable damage in the process of transporting, carry and installing, often can not be easy to be nested on pipe, causes to install to interrupt or pause, even can not use; The distortion of retainer ring also causes it to depart from mounting center, and effectively can not compress pipe, not only make labour productivity decline and also be installation quality be deteriorated.Moreover retainer ring is independently parts, because its individuality is less, often easily lose, cause trouble, and its processing technology is more complicated, cost is high, and serviceability is also poor.
Model utility content
The utility model aims to provide a kind of novel pipe joint, and the design of this connecting head is ingenious, can improve tightness, soundness that pipeline connects, ensures that pipeline connects safety.
For achieving the above object, the technical solution of the utility model is as follows:
Pipe joint of the present utility model, comprises connecting body and nut, and described connecting body comprises joint, outside thread A and pipe joint, and described joint, outside thread A are connected successively with pipe joint; Described nut comprises offering female cap body and compressing to be buckled;
Described pipe joint is provided with seal face;
The upper edge of described cap body is provided with to compress and buckles; When the internal thread of nut matches with outside thread A, seal face be set and compress the position of detaining, when making nut screw in connecting body one segment distance, compressing button and cooperatively interact with seal face, form the structure of fastening pipeline.
Described compression button is cirque body shape, and described seal face is cylindrical shape, during assembling, compresses button coaxial with seal face.
Described pipe joint also comprises cylindrical body I and cylindrical body II, and the diameter of described cylindrical body I is greater than the diameter of cylindrical body II, makes pipe joint be up-small and down-big stepped.
The seal face of described pipe joint becomes cylindric, and between being assemblied on cylindrical body I and cylindrical body II, its diameter is more than or equal to the diameter of cylindrical body I; Described compression button is cirque body shape, during assembling, compresses button coaxial with seal face;
The side of the side and seal face that compress button cooperatively interacts, and forms the structure of fastening pipeline;
Or the end face of the bottom surface and seal face that compress button cooperatively interacts, and forms the structure of fastening pipeline.
Be provided with round platform between described cylindrical body I and cylindrical body II, the side of round platform is seal face.
Described seal face is round table-like, the bottom surface connecting cylinder body I of round platform, the end face connecting cylinder body II of round platform;
The described side of compression button and the side of round platform cooperatively interact, and form the structure of fastening pipeline;
Or the side of the bottom surface and round platform that compress button cooperatively interacts, the side of the side and cylindrical body II that compress button cooperatively interacts, the structure of fastening pipeline.
Described seal face is cylindrical shape, and during assembling, the end face of described compression button and/or bottom surface are with the axial vertical of seal face or tilt, and the side of the side and seal face that compress button cooperatively interacts, and forms the structure of fastening pipeline.
When described nut screws in connecting body, compress the wall thickness detained and be less than the pipe that pipe joint is connected with the distance in the face that cooperatively interacts of seal face.
Described joint is the tube head of internal thread, or with externally threaded tube head.
Two groups of outside thread A and pipe joint link into an integrated entity by described joint, and two groups of outside thread A and pipe joint lay respectively at the both sides of joint.
Described pipe joint is used in during spray gun is connected with air hose or liquid hose.
Working procedure of the present utility model is as follows:
The joint of connecting body is screwed with spray gun and is connected, spiro cap is on the termination of pipe, by the termination point casing of pipe on pipe joint, then nut is screwed, due to nut and connecting body assemble time, compress the cooperatively interact distance in face of button and seal face and be less than the wall thickness of be connected pipe, so compress button and seal face can compress pipe.
When the utility model is used for the connection between two pipes, utilize the structure that two groups of outside thread A and pipe joint link into an integrated entity by joint, respectively by spiro cap on the termination of pipe, the termination of pipe is enclosed within respectively on the pipe joint of joint both sides, and then respectively nut is screwed, until can not again till turn, pipe joint can realize being connected with the cooperation of nut.
The beneficial effects of the utility model are:
The utility model, by the improvement to existing pipe connector, connecting body and nut arranges seal face respectively and compresses and detain, during assembling, the two closely cooperates, and forms the structure of fastening pipeline, while being carried out connecting by pipeline, pipeline is compressed, has ensured the soundness that pipeline connects and Security.
The utility model seal face and compression are buckled in selects cylindrical shape and cirque body shape to arrange in pairs or groups in shape, making the two reach higher compatible degree when assembling, reducing the injury to pipe.
The pipe joint of the utility model unique design, comprises small one and large one cylindrical body, and pipe, as leader, is conveniently inserted in by small cylinder, and large cylinder is by pipe stretching, and large small cylinder is together with the cooperation between seal face, can realize the function of tube grip.
Seal face of the present utility model and compression button all have various ways, by the cooperation between various forms, all can form the structure of fastening pipeline, reach the effect of tube grip.
Be less than the wall thickness of the pipe that pipe joint is connected owing to compressing button and the distance in the face that cooperatively interacts of seal face, can pipe pressed tighter like this, strengthen tightness, prevent from managing interior content leaks.
Pipe joint of the present utility model is the tube head of internal thread, or with externally threaded tube head, can adapt to the spray gun of different worm structure, Applicable scope is wider.
Pipe joint structure of the present utility model is simple, designs ingenious, without the need to increasing parts in addition, convenient to use, can extensively with the connecting of spray gun and air hose or liquid hose, be worthy of popularization.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1 pipe joint
Fig. 2 is the structural representation of the utility model embodiment 2 pipe joint
Fig. 3 is the generalized section of the utility model embodiment 2 pipe joint
Fig. 4 is the assembling generalized section of the utility model embodiment 3
Fig. 5 is the assembling generalized section of the utility model embodiment 4
Fig. 6 is the assembling generalized section of the utility model embodiment 5
Fig. 7 is the assembling generalized section of the utility model embodiment 6
Fig. 8 is the assembling generalized section of the utility model embodiment 7
Fig. 9 is the structural representation of the utility model embodiment 8 pipe joint
In figure each sequence number and title as follows:
1-connecting body; 2-nut;
11-joint; 12-outside thread A; 13-pipe joint; 14-seal face; 15-cylindrical body I; 16-cylindrical body II; 17-round platform;
21-cap body; 22-compresses button.
Embodiment
Below by specific embodiment, the utility model is described in detail.
Embodiment 1
As shown in Figure 1, pipe joint of the present utility model, comprises connecting body 1 and nut 2, and described connecting body 1 comprises joint 11, outside thread A12 and pipe joint 13, and described joint 11, outside thread A12 are connected successively with pipe joint 13; Described nut 2 comprises offering female cap body 21 and compressing buckles 22;
Described pipe joint 13 is provided with seal face 14;
The upper edge of described cap body 21 is provided with to compress buckles 22; When the internal thread of nut 2 matches with outside thread A12, the position of seal face 14 and compression button 22 is set, when making nut 2 screw in connecting body 1 one segment distance, compresses button 22 and cooperatively interact with seal face 14, form the structure of fastening pipeline.
Described compression button 22 is in cirque body shape, and described seal face 14, in cylindrical shape, during assembling, compresses button 22 coaxial with seal face 14.
Described pipe joint 13 also comprises cylindrical body I15 and cylindrical body II16, and the diameter of described cylindrical body I15 is greater than the diameter of cylindrical body II16, makes pipe joint 13 in up-small and down-big stepped.
When described nut screws in connecting body, compress the wall thickness detained and be less than the pipe that pipe joint is connected with the distance in the face that cooperatively interacts of seal face.
Described joint 11 is the tube head of internal thread.
Described pipe joint is used in during spray gun is connected with air hose or liquid hose.
Embodiment 2
As shown in Figure 2, pipe joint of the present utility model, comprises connecting body 1 and nut 2, and described connecting body 1 comprises joint 11, outside thread A12 and pipe joint 13, and described joint 11, outside thread A12 are connected successively with pipe joint 13; Described nut 2 comprises offering female cap body 21 and compressing buckles 22;
Described pipe joint 13 is provided with seal face 14;
The upper edge of described cap body 21 is provided with to compress buckles 22; When the internal thread of nut 2 matches with outside thread A12, the position of seal face 14 and compression button 22 is set, when making nut 2 screw in connecting body 1 one segment distance, compresses button 22 and cooperatively interact with seal face 14, form the structure of fastening pipeline.
Described compression button 22 is in cirque body shape, and described seal face 14, in cylindrical shape, during assembling, compresses button 22 coaxial with seal face 14.
Described pipe joint 13 also comprises cylindrical body I15 and cylindrical body II16, and the diameter of described cylindrical body I15 is greater than the diameter of cylindrical body II16, makes pipe joint 13 in up-small and down-big stepped.
When described nut screws in connecting body, compress the wall thickness detained and be less than the pipe that pipe joint is connected with the distance in the face that cooperatively interacts of seal face.
Described joint 11 is externally threaded tube head.
Described pipe joint is used in during spray gun is connected with air hose or liquid hose.
Embodiment 3
As shown in Figure 4, pipe joint of the present utility model, comprises connecting body 1 and nut 2, and described connecting body 1 comprises joint 11, outside thread A12 and pipe joint 13, and described joint 11, outside thread A12 are connected successively with pipe joint 13; Described nut 2 comprises offering female cap body 21 and compressing buckles 22;
Described pipe joint 13 is provided with seal face 14;
The upper edge of described cap body 21 is provided with to compress buckles 22; When the internal thread of nut 2 matches with outside thread A12, the position of seal face 14 and compression button 22 is set, when making nut 2 screw in connecting body 1 one segment distance, compresses button 22 and cooperatively interact with seal face 14, form the structure of fastening pipeline.
Described compression button 22 is in cirque body shape, and described seal face 14, in cylindrical shape, during assembling, compresses button 22 coaxial with seal face 14.
Described pipe joint 13 also comprises cylindrical body I15 and cylindrical body II16, and the diameter of described cylindrical body I15 is greater than the diameter of cylindrical body II16, makes pipe joint 13 in up-small and down-big stepped.
The seal face 14 one-tenth of described pipe joint 13 is cylindric, and be assemblied on cylindrical body I15, its diameter is greater than the diameter of cylindrical body I15; Described compression button 22 is in cirque body shape, and during assembling, compress button 22 coaxial with seal face 14, the compression side of button 22 and the side of seal face 14 cooperatively interact, and form the structure of fastening pipeline.
Be provided with round platform 17 between described cylindrical body I15 cylindrical body II16, the side of round platform 17 is seal face 14.
The bottom surface connecting cylinder body I15 of described round platform 17, the end face connecting cylinder body II16 of round platform 17;
The side of described compression button 22 and the side of round platform 17 cooperatively interact, and form the structure of fastening pipeline.
When described nut screws in connecting body, compress the wall thickness detained and be less than the pipe that pipe joint is connected with the distance in the face that cooperatively interacts of seal face.
Described joint 11 is the tube head of internal thread.
Described pipe joint is used in during spray gun is connected with air hose or liquid hose.
Embodiment 4
As shown in Figure 5, pipe joint of the present utility model, comprises connecting body 1 and nut 2, and described connecting body 1 comprises joint 11, outside thread A12 and pipe joint 13, and described joint 11, outside thread A12 are connected successively with pipe joint 13; Described nut 2 comprises offering female cap body 21 and compressing buckles 22;
Described pipe joint 13 is provided with seal face 14;
The upper edge of described cap body 21 is provided with to compress buckles 22; When the internal thread of nut 2 matches with outside thread A12, the position of seal face 14 and compression button 22 is set, when making nut 2 screw in connecting body 1 one segment distance, compresses button 22 and cooperatively interact with seal face 14, form the structure of fastening pipeline.
Described compression button 22 is in cirque body shape, and described seal face 14, in cylindrical shape, during assembling, compresses button 22 coaxial with seal face 14.
Described pipe joint 13 also comprises cylindrical body I15 and cylindrical body II16, and the diameter of described cylindrical body I15 is greater than the diameter of cylindrical body II16, makes pipe joint 13 in up-small and down-big stepped.
The seal face 14 one-tenth of described pipe joint 13 is cylindric, and be assemblied on cylindrical body I15, its diameter equals the diameter of cylindrical body I15; Described compression button 22 is in cirque body shape, and during assembling, compress button 22 coaxial with seal face 14, the compression side of button 22 and the side of seal face 14 cooperatively interact, and form the structure of fastening pipeline.
Be provided with round platform 17 between described cylindrical body I15 and cylindrical body II16, the side of round platform 17 is seal face 14.
The bottom surface connecting cylinder body I15 of described round platform 17, the end face connecting cylinder body II16 of round platform 17;
The side of described compression button 22 and the side of round platform 17 cooperatively interact, and form the structure of fastening pipeline.
When described nut screws in connecting body, compress the wall thickness detained and be less than the pipe that pipe joint is connected with the distance in the face that cooperatively interacts of seal face.
Described joint 11 is the tube head of internal thread.
Described pipe joint is used in during spray gun is connected with air hose or liquid hose.
Embodiment 5
As shown in Figure 6, pipe joint of the present utility model, comprises connecting body 1 and nut 2, and described connecting body 1 comprises joint 11, outside thread A12 and pipe joint 13, and described joint 11, outside thread A12 are connected successively with pipe joint 13; Described nut 2 comprises offering female cap body 21 and compressing buckles 22;
Described pipe joint 13 is provided with seal face 14;
The upper edge of described cap body 21 is provided with to compress buckles 22; When the internal thread of nut 2 matches with outside thread A12, the position of seal face 14 and compression button 22 is set, when making nut 2 screw in connecting body 1 one segment distance, compresses button 22 and cooperatively interact with seal face 14, form the structure of fastening pipeline.
Described compression button 22 is in cirque body shape, and described seal face 14, in cylindrical shape, during assembling, compresses button 22 coaxial with seal face 14.
Described pipe joint 13 also comprises cylindrical body I15 and cylindrical body II16, and the diameter of described cylindrical body I15 is greater than the diameter of cylindrical body II16, makes pipe joint 13 in up-small and down-big stepped.
The seal face 14 one-tenth of described pipe joint 13 is cylindric, and be assemblied on cylindrical body I16, its diameter equals the diameter of cylindrical body I16; Described compression button 22 is in cirque body shape, and during assembling, compress button 22 coaxial with seal face 14, the compression side of button 22 and the side of seal face 14 cooperatively interact, and form the structure of fastening pipeline.
Described seal face 14 is in cylindrical shape, and during assembling, the end face of described compression button 22 and bottom surface are axial vertical with seal face 14, and the compression side of button 22 and the side of seal face 14 cooperatively interact, and form the structure of fastening pipeline.
When described nut screws in connecting body, compress the wall thickness detained and be less than the pipe that pipe joint is connected with the distance in the face that cooperatively interacts of seal face.
Described pipe joint 13 is the tube head of internal thread.
Described pipe joint is used in during spray gun is connected with air hose or liquid hose.
Embodiment 6
As shown in Figure 7, pipe joint of the present utility model, comprises connecting body 1 and nut 2, and described connecting body 1 comprises joint 11, outside thread A12 and pipe joint 13, and described joint 11, outside thread A12 are connected successively with pipe joint 13; Described nut 2 comprises offering female cap body 21 and compressing buckles 22;
Described pipe joint 13 is provided with seal face 14;
The upper edge of described cap body 21 is provided with to compress buckles 22; When the internal thread of nut 2 matches with outside thread A12, the position of seal face 14 and compression button 22 is set, when making nut 2 screw in connecting body 1 one segment distance, compresses button 22 and cooperatively interact with seal face 14, form the structure of fastening pipeline.
Described compression button 22 is in cirque body shape, and described seal face 14, in cylindrical shape, during assembling, compresses button 22 coaxial with seal face 14.
Described pipe joint 13 also comprises cylindrical body I15 and cylindrical body II16, and the diameter of described cylindrical body I15 is greater than the diameter of cylindrical body II16, makes pipe joint 13 in up-small and down-big stepped.
Be provided with round platform 17 between described cylindrical body I15 cylindrical body II16, the side of round platform 17 is seal face 14.
The bottom surface connecting cylinder body I15 of described round platform 17, the end face connecting cylinder body II16 of round platform 17;
The side of described compression button 22 and the side of round platform 17 cooperatively interact, and form the structure of fastening pipeline.
Described seal face 14 is in cylindrical shape, and during assembling, the end face of described compression button 22 and the axial vertical of seal face 14, the axis of bottom surface and seal face 14 tilts, and the compression side of button 22 and the side of seal face 14 cooperatively interact, and form the structure of fastening pipeline.
When described nut screws in connecting body, compress the wall thickness detained and be less than the pipe that pipe joint is connected with the distance in the face that cooperatively interacts of seal face.
Described joint 11 is the tube head of internal thread.
Described pipe joint is used in during spray gun is connected with air hose or liquid hose.
Embodiment 7
As shown in Figure 8, pipe joint of the present utility model, comprises connecting body 1 and nut 2, and described connecting body 1 comprises joint 11, outside thread A12 and pipe joint 13, and described joint 11, outside thread A12 are connected successively with pipe joint 13; Described nut 2 comprises offering female cap body 21 and compressing buckles 22;
Described pipe joint 13 is provided with seal face 14;
The upper edge of described cap body 21 is provided with to compress buckles 22; When the internal thread of nut 2 matches with outside thread A12, the position of seal face 14 and compression button 22 is set, when making nut 2 screw in connecting body 1 one segment distance, compresses button 22 and cooperatively interact with seal face 14, form the structure of fastening pipeline.
Described compression button 22 is in cirque body shape, and described seal face 14, in cylindrical shape, during assembling, compresses button 22 coaxial with seal face 14.
Described pipe joint 13 also comprises cylindrical body I15 and cylindrical body II16, and the diameter of described cylindrical body I15 is greater than the diameter of cylindrical body II16, makes pipe joint 13 in up-small and down-big stepped.
Be provided with round platform 17 between described cylindrical body I15 cylindrical body II16, the side of round platform 17 is seal face 14.
The bottom surface connecting cylinder body I15 of described round platform 17, the end face connecting cylinder body II16 of round platform 17;
The described bottom surface of compression button 22 and the side of round platform cooperatively interact, and the compression side of button 22 and the side of cylindrical body II16 cooperatively interact, the structure of fastening pipeline.
Described seal face 14 is in cylindrical shape, and during assembling, the end face of described compression button 22 and the axis of bottom surface and seal face 14 tilt, and the compression side of button 22 and the side of seal face 14 cooperatively interact, and form the structure of fastening pipeline.
When described nut screws in connecting body, compress the wall thickness detained and be less than the pipe that pipe joint is connected with the distance in the face that cooperatively interacts of seal face.
Described joint 11 is with externally threaded tube head.
Described pipe joint is used in during spray gun is connected with air hose or liquid hose.
Embodiment 8
As shown in Figure 9, pipe joint of the present utility model, comprise connecting body 1 and nut 2, described connecting body 1 comprises joint 11 and two groups of outside thread A12 and pipe joint 13, two groups of outside thread A12 and pipe joint 13 link into an integrated entity by described joint 11, and two groups of outside thread A12 and pipe joint 13 lay respectively at the both sides of joint 11; Described nut 2 comprises offering female cap body 21 and compressing buckles 22;
Described pipe joint 13 is provided with seal face 14;
The upper edge of described cap body 21 is provided with to compress buckles 22; When the internal thread of nut 2 matches with outside thread A12, the position of seal face 14 and compression button 22 is set, when making nut 2 screw in connecting body 1 one segment distance, compresses button 22 and cooperatively interact with seal face 14, form the structure of fastening pipeline.
Described compression button 22 is in cirque body shape, and described seal face 14, in cylindrical shape, during assembling, compresses button 22 coaxial with seal face 14.
Described pipe joint 13 also comprises cylindrical body I15 and cylindrical body II16, and the diameter of described cylindrical body I15 is greater than the diameter of cylindrical body II16, makes pipe joint 13 in up-small and down-big stepped.
When described nut screws in connecting body, compress the wall thickness detained and be less than the pipe that pipe joint is connected with the distance in the face that cooperatively interacts of seal face.
Described pipe joint is used in during spray gun is connected with air hose or liquid hose.
Working procedure of the present utility model is as follows:
The joint 11 of connecting body 1 is screwed with spray gun and is connected, nut 2 is enclosed within the termination of pipe, by the termination point casing of pipe on pipe joint 13, then nut 2 is screwed, until can not again till turn, due to nut 2 and connecting body 1 assemble time, compress the wall thickness that button 22 and the distance in the face that cooperatively interacts of seal face 14 are less than be connected pipe, so compress button 22 and seal face 14 can compress pipe.
When the utility model is used for the connection between two pipes, respectively nut 2 is enclosed within the termination of pipe, the termination of pipe is enclosed within respectively on the pipe joint 13 of joint 11 both sides, and then respectively nut 2 is screwed, until can not again till turn, pipe joint 13 can realize being connected with the cooperation of nut 2.