CN206159714U - A bypass for driping irrigation device - Google Patents

Abstract

The utility model relates to a bypass for driping irrigation device, pretext portion, T shape stagnant water pad, internal thread nut, afterbody and snap ring are constituteed, and the outer wall of head one end is provided with the screw thread, forms the outer silk of head, in the round hole that other end block was opened on the pipe wall of cylindric pipeline, the arcwall face of the arc stagnant water piece of T shape stagnant water pad supports the outer wall of pipeline and laminates with the outside of pipeline, another pot head is gone up outside a cylindricality stagnant water section of thick bamboo to internal thread nut one end spiro union silk outside the head, and the afterbody is by on the afterbody spiro union is outside the head thread, and the snap ring overlaps in the afterbody main part. This bypass can with the drip irrigation zone with to drip irrigation the pipe general, adopt snap ring locking drip irrigation zone or drip irrigation the pipe, need not to install the rubber packing ring again, reduced the installation degree of difficulty, simple to operate. Its length of buckling the department of the end -to -end distance of the card tip is greater than the width of card, and simultaneously, the arcwall face of T shape stagnant water pad is closely laminated with the outer pipe wall of pipeline, avoids bypass and pipe wall binding site to ooze water leakage water.

Description

A kind of bypass for drip irrigation appliance

Technical field

The utility model belongs to field of agricultural irrigation, more particularly to a kind of bypass and installation method for drip irrigation appliance.

Background technology

It is often required to use drip irrigation appliance during agricultural irrigation, drip irrigation zone and drip irrigation is usually divided into according to shape difference Pipe.For drip irrigation zone/pipe bypass be connect pvc pipe or PE pipe and drip irrigation zone (pipe) connector, to prevent leak and infiltration, Need to be punched on pvc pipe or PE tube walls, then rubber washer is installed in hole, finally bypass through rubber washer and PVC Pipe or PE pipes are connected.But, on the one hand, conventional rubber washer and bypass is all difficult to install, and under hot weather, PE pipes Heat expansion is easy to, bypass is easy to loosen infiltration water leakage situation occurs；Another aspect pvc pipe or PE tube walls are than relatively thin Arc, bypass is fitted not closely with tube wall, is easy to rock and cause leak of seeping water along tube axis direction under external force effect.Separately When outward, using screw screwed connection drip irrigation pipe, because drip irrigation tube wall is thicker, flexible relatively weaker, installation is relatively difficult, holds Easily there is infiltration leak even obscission.

Utility model CN104989903A solves the problems, such as that rubber washer is difficult to install, but by binding nut front end Trapezoidal latch cannot sealing because inserting paragraph is fitted not closely with inside pipe wall axial direction, trapezoidal latch and pipe outer wall Radial direction laminating it is not tight, it is easy to form penetrating passage and leak of seeping water, meanwhile, the bypass is also along tube axis direction Easily rock, particularly under hot weather, due to the deformation of PE pipes heat expansion, bypass easily loosens, outer masterpiece with addition can take off Fall, can also cause infiltration leak.

Accordingly, it would be desirable to a kind of new bypass for drip irrigation appliance, to play the effect of good sealing antiseepage, and this The bypass of sample is preferably easily installed.

Utility model content

To solve problem above, the utility model provides a kind of bypass for drip irrigation appliance, by head, T-shaped sealing Pad, internal thread nut, afterbody and snap ring composition, are provided with circular hole, the head generally tubular, one end on the tube wall of the pipeline Outer wall be provided with screw thread, form the outer silk of head, the other end is sticked in the circular hole opened on the tube wall of the pipeline of cylindrical shape；Institute State T-shaped waterstop pad to be formed by connecting by arc sealing piece and cylindricality sealing cylinder, form T-shaped, the one side of the arc sealing piece be with The arc that the radian of the pipeline outer wall matches, another side is plane and is connected with the cylindricality sealing cylinder, the T-shaped sealing Outside the head, the arcwall face of the arc sealing piece props up the outer wall of the pipeline and pastes with the outer wall of the pipeline cushion cover Close；One end inner wall smooth of the internal thread nut, is enclosed within outside the cylindricality sealing cylinder and end props up the arc sealing piece Plane, the screw thread contrary with the screw thread on the outer silk of the head is provided with the inwall of the other end, and be bolted in the head On outer silk；The afterbody is made up of tail connector and rear body, is provided with the tail connector inwall and the head The screw thread that the screw thread of silk is engaged outside portion, and being bolted on the outer silk of the head, the rear body and the tail connector Connection, and the external diameter of the one end being connected with the tail connector away from the head, the rear body is less than away from institute State the external diameter of one end of tail connector；The snap ring is enclosed within the rear body, and the internal diameter of the snap ring is more than institute The minimum outer diameter of rear body is stated, less than the maximum outside diameter of the rear body.

The bypass can be general with drip irrigation zone and drip irrigation pipe, drip irrigation zone or drip irrigation pipe is locked using snap ring, without the need in pvc pipe Or rubber washer is installed in the pore of PE pipes, and installation difficulty is reduced, it is easy for installation.The arcwall face of T-shaped waterstop pad and pipeline Outer tube wall is brought into close contact, and after tightening internal thread nut, can prevent from bypassing caused because rocking along pipe axis under external force Infiltration leak.

Further, one end for being not provided with screw thread of the head by two pieces of spaced arcs mainboard and two pieces The secondary plate composition of arc, forms tubular, and one end of the mainboard and the head outer silk be connected, other end outward bending formed and The card of the axis oriented normal of the head, one end of described plate is connected with the outer silk of the head, and other end outward bending is formed The card tip at an acute angle with the longitudinal axis of the head, the head props up the inwall of the pipeline by the card and the card tip And engage with the circular hole, the radian in the face of the direction inner-walls of duct of the card tip and card is kissed with the inwall of the pipeline Close.

The setting of one side card and the card tip is more convenient installation, on the other hand, the direction of the card tip and card pipeline The radian in the face of inwall coincide with the inwall of the pipeline and card and the card tip is brought into close contact with inner-walls of duct, prevents side It is logical because rocking and caused infiltration leak along pipe axis under external force.Additionally, the volume size of the card tip, card with it is traditional Bypass insertion end volume is compared little, and the impact to the discharge capacity of pipeline is relatively small.

Further, width of length of the end of the card tip away from its bending place more than the card.The setting makes card The tip can play fine supporting role, external force drawing effect under, bypass be not easy to loosen and come off, and with the deformation of PE pipes It is consistent, can avoids producing gap and causing leak of seeping water.

Further, described two pieces plates are flexible, can mutually draw close under external force extruding, in order to install.

Preferably, the pipeline is that PE is managed or pvc pipe.

Further, the external diameter of the cylindricality sealing cylinder is from the one end being connected with the arc sealing piece to away from the arc One end of shape sealing piece is gradually reduced, and the internal diameter of the inner wall smooth section of the internal thread nut is gradually reduced from end to centre, Form horn-like, and the maximum inner diameter of one end of the inner wall smooth of the internal thread nut is more than or equal to the cylindricality sealing cylinder Maximum outside diameter.The setting can prevent the infiltration leak of the side of the card tip two.

Further, annular slot is provided with the outer surface of the rear body, be beneficial to prevents in installation process Drip irrigation zone or drip irrigation pipe are slipped between snap ring and afterbody.

Further, the internal diameter of the head is equal with the internal diameter of the afterbody, so that current smooth-going in bypass, reduces water Flow the pressure to bypassing associated components.

Further, projection is evenly arranged with the outer surface of the internal thread nut, tail connector or snap ring, is beneficial to Corresponding part is tightened in installation process.

Description of the drawings

Fig. 1 is the structural representation of the utility model bypass；

Fig. 2 is that head side view is bypassed under normal condition；

Fig. 3 is that head side view is bypassed under squeezed state；

Fig. 4 is that head front view is bypassed under normal condition；

Fig. 5 is "T"-shaped waterstop pad figure；

Fig. 6 is band internal thread nut front view；

Fig. 7 is afterbody front view；

Fig. 8 is Plastibell front view.

In accompanying drawing, the list of parts representated by each label is as follows：

1st, head, 1.1, the card tip, 1.2, card, 1.3, secondary plate, 1.4, mainboard, 1.5, the outer silk of head, 2, T-shaped waterstop pad, 2.1st, arc sealing piece, 2.2, cylindricality sealing cylinder, 3, internal thread nut, 4, afterbody, 4.1, connecting portion, 4.2, rear body, 4.3, Draw-in groove, 5, snap ring, 6, pipeline.

Specific embodiment

Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality It is new, it is not intended to limit scope of the present utility model.

As shown in figures 1-8, the bypass is made up of head 1, T-shaped waterstop pad 2, internal thread nut 3, afterbody 4 and snap ring 5, described The generally tubular of head 1, the outer wall of one end is provided with screw thread, forms the outer silk 1.5 of head, and the other end is sticked in the pipeline of cylindrical shape In the circular hole opened on 6 tube wall；The T-shaped waterstop pad 2 is formed by connecting by arc sealing piece 2.1 and cylindricality sealing cylinder 2.2, shape T-shaped, the one side of the arc sealing piece 2.1 is the arc matched with the radian of the outer wall of the pipeline 6, and another side is plane And be connected with the cylindricality sealing cylinder 2.2, the T-shaped waterstop pad 2 is enclosed within outside the head 1, the arc of the arc sealing piece 2.1 Shape face props up the outer wall of the pipeline 6 and fits with the outside of the pipeline 6；One end inner wall smooth of the internal thread nut 3, set The cylindricality sealing cylinder 2.2 is outer and end props up the plane of the arc sealing piece 2.1, it is provided with the inwall of the other end The screw thread contrary with the screw thread on the outer silk 1.5 of the head, and be bolted on the outer silk 1.5 of the head；The afterbody 4 is by afterbody Connecting portion 4.1 and rear body 4.2 are constituted, and the spiral shell with the outer silk 1.5 of the head is provided with the inwall of the tail connector 4.1 The screw thread that line is engaged, and be bolted on the outer silk 1.5 of the head, the rear body 4.2 connects with the tail connector 4.1 Connect, and the external diameter of the one end being connected with the tail connector 4.1 away from the head 1, the rear body 4.2 is less than remote From the external diameter of one end of the tail connector 4.1；The snap ring 5 is enclosed within the rear body 4.2, and the snap ring 5 Internal diameter more than the rear body 4.2 minimum outer diameter, less than the maximum outside diameter of the rear body 4.2.The pipeline can For PE pipes or pvc pipe.

One end for being not provided with screw thread of the head 1 by two pieces of spaced arcs mainboard 1.4 and two pieces of arcs Secondary plate 1.3 constitute, form tubular, the outer silk 1.5 of one end of the mainboard 1.4 and the head is connected, other end outward bending The card 1.2 with the axis oriented normal of the head 1 is formed, one end of described plate 1.3 is connected with the outer silk 1.5 of the head, separately One end outward bending forms the card tip 1.1 at an acute angle with the longitudinal axis of the head 1, and the head 1 is by the card 1.2 and institute State the card tip 1.1 to prop up the inwall of the pipeline 6 and engage with the circular hole, the direction pipe of the card tip 1.1 and card 1.2 The radian in the face of the inwall of road 6 coincide with the inwall of the pipeline 6；Length of the end of the card tip 1.1 away from its bending place is more than The width of the card 1.2；Described two pieces times plate 1.3 is flexible, can mutually draw close under external force.

The external diameter of the cylindricality sealing cylinder 2.2 is from the one end being connected with the arc sealing piece 2.1 to away from the arc One end of sealing piece 2.1 is gradually reduced, and the internal diameter of the inner wall smooth section of the internal thread nut 3 gradually subtracts from end to centre It is little, form horn-like, and the maximum inner diameter of one end of the inner wall smooth of the internal thread nut 3 stops more than or equal to the cylindricality The maximum outside diameter of water drum 2.2.

Draw-in groove 4.3 is provided with the outer surface of the rear body 4.2.The internal diameter of the head 1 be steady state value, the tail The internal diameter in portion 4 is steady state value, and the internal diameter of the head 1 is equal with the internal diameter of the afterbody 4.

Projection is evenly arranged with the outer surface of the internal thread nut 3, tail connector 4.1 or snap ring 5.

Using front, the bypass is installed by the following method：

1) T-shaped waterstop pad 2 is placed on the mainboard 1.4 of head 1 and secondary plate 1.3, and arc sealing piece is near the He of the card tip 1.1 The one end of card 1.2；

2) internal thread nut 3 is bolted on the outer silk 1.5 of head, and one end of its interior smooth is near arc sealing piece 2.1；

3) tail connector 4.1 is bolted in into the outer silk 1.5 of head to be connected, snap ring 5 plus man-hour have been arranged on rear body 4.2 on；

4) when bypass is installed on pvc pipe or PE pipes 6, first extruding bypass 1 plate 1.3 of head, the card tip 1.1, card 1.2 are worn After the pvc pipe or the tube wall of PE pipes 6 of perforate, stop extruding, push T-shaped waterstop pad 2 to pvc pipe or the one end of PE pipes 6, then outwards Afterbody 4 is tensed, internal thread nut 3 is tightened, it is ensured that the tubaeform shiny surface of internal thread nut 3 compresses cylindricality sealing cylinder 2.2；

5) when drip irrigation zone/pipe being installed, snap ring 5 is pushed to tail connector 4.1 one end, then by drip irrigation zone/pipe through tail Portion's main body 4.2, finally, by snap ring 5 drip irrigation zone/pipe outer wall is enclosed within, and pushes away the one end of tail connector 4.1, it is ensured that snap ring 5 is stuck in ring The inside of shape draw-in groove 4.3.

Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model Within the scope of shield.

Claims (9)

1. a kind of bypass for drip irrigation appliance, it is characterised in that by head (1), T-shaped waterstop pad (2), internal thread nut (3), tail Portion (4) and snap ring (5) are constituted, the head (1) generally tubular, and the outer wall of one end is provided with screw thread, form the outer silk of head (1.5), the other end is sticked in the circular hole opened on the tube wall of the pipeline (6) of cylindrical shape；The T-shaped waterstop pad (2) is by arc Sealing piece (2.1) and cylindricality sealing cylinder (2.2) are formed by connecting, and form T-shaped, and the one side of the arc sealing piece (2.1) is and institute The arc that the radian of pipeline (6) outer wall matches is stated, another side is plane and is connected with the cylindricality sealing cylinder (2.2), the T Shape waterstop pad (2) is enclosed within the head (1) outward, and the arcwall face of the arc sealing piece (2.1) props up the outer wall of the pipeline (6) And fit with the outer wall of the pipeline (6)；One end inner wall smooth of the internal thread nut (3), is enclosed within the cylindricality sealing cylinder (2.2) outward and end props up the plane of the arc sealing piece (2.1), be provided with the inwall of the other end with outside the head The contrary screw thread of screw thread on silk (1.5), and be bolted on the outer silk (1.5) of the head；The afterbody (4) is by tail connector (4.1) constitute with rear body (4.2), be provided with tail connector (4.1) inwall and the head outer silk (1.5) The screw thread that screw thread is engaged, and be bolted on the outer silk (1.5) of the head, the rear body (4.2) is connected with the afterbody Portion (4.1) connects, and away from the head (1), what the rear body (4.2) was connected with the tail connector (4.1) External diameter of the external diameter of one end less than the one end away from the tail connector (4.1)；The snap ring (5) is enclosed within the rear body (4.2) on, and the internal diameter of the snap ring (5) is more than the minimum outer diameter of the rear body (4.2), less than the rear body (4.2) maximum outside diameter.

2. bypass according to claim 1, it is characterised in that one end for being not provided with screw thread of the head (1) is by phase Between the mainboard (1.4) of two pieces of arcs that arranges and secondary plate (1.3) of two pieces of arcs constitute, formation tubular, the mainboard (1.4) One end is connected with the outer silk (1.5) of the head, and other end outward bending forms the card with the axis oriented normal of the head (1) (1.2), one end of described plate (1.3) is connected with the outer silk (1.5) of the head, and other end outward bending is formed and the head (1) the longitudinal axis card tip (1.1) at an acute angle, the head (1) props up institute by the card (1.2) and the card tip (1.1) State the inwall of pipeline (6) and engage with the circular hole, the direction pipeline (6) inwall of the card tip (1.1) and card (1.2) The inwall of radian and the pipeline (6) in face coincide.

3. bypass according to claim 2, it is characterised in that length of the end of the card tip (1.1) away from its bending place More than the width of the card (1.2).

4. bypass according to claim 2, it is characterised in that described two pieces times plates (1.3) are flexible, can extrude in external force Under mutually draw close.

5. bypass according to claim 1, it is characterised in that the pipeline is that PE is managed or pvc pipe.

6. bypass according to claim 1, it is characterised in that the external diameter of the cylindricality sealing cylinder (2.2) from the arc One end of shape sealing piece (2.1) connection is gradually reduced to the one end away from the arc sealing piece (2.1), the internal thread nut (3) internal diameter of inner wall smooth section is gradually reduced from end to centre, forms horn-like, and the internal thread nut (3) Maximum outside diameter of the maximum inner diameter of one end of inner wall smooth more than or equal to the cylindricality sealing cylinder (2.2).

7. bypass according to claim 1, it is characterised in that be provided with ring on the outer surface of the rear body (4.2) Shape draw-in groove (4.3).

8. bypass according to claim 1, it is characterised in that the internal diameter of the head (1) and the internal diameter of the afterbody (4) It is equal.

9. the bypass according to any one of claim 1-8, it is characterised in that the internal thread nut (3), tail connector (4.1) or on the outer surface of snap ring (5) it is evenly arranged with projection.