CN208348755U - A kind of U-tube connector - Google Patents

Abstract

This application provides a kind of U-tube connectors, wherein, it include: the U-tube body and the lower branch line for being connected to the U-shaped bottom of the pipe that nozzle opens up upwards, the lower end of the lower branch line is provided with connector, the filter screen kept out in the lower branch line lower ending opening is provided in the connector, there is internal screw thread in the connector, buffering ring is provided on the inner wall of the lower branch line lower part, the buffering ring includes sequentially connected first cambered surface, convex peak and the second cambered surface, several are provided in second cambered surface and stops rib.The technical issues of U-tube connector provided by the present application solves impact of the existing U-tube connector by water flow and impurities in water, influences service life.

Description

A kind of U-tube connector

Technical field

The utility model relates to sprinkling irrigation equipment technical fields, more particularly to a kind of U-tube connector.

Background technique

With progress of the epoch, in order to realize mechanization, automation, to save labour, improve working efficiency, generally All irrigated using sprinkler irrigation technique, and the U-tube connector that irrigation sprinkler uses, existing main problem is water delivery when in use Impurity in pipeline is easy blocking spray head, needs often to clean and safeguard, water-supply-pipe is for a long time by the impact service life of water flow It is short.

Utility model content

The purpose of the utility model is to provide a kind of U-tube connectors, solve existing U-tube connector by water flow With the impact of impurities in water, the technical issues of influencing service life.

In order to solve the above technical problems, the utility model provides the following technical solutions:

A kind of U-tube connector, wherein include: the U-tube body and be connected under the U-tube body that nozzle opens up upwards The lower branch line at end, the lower end of the lower branch line are provided with connector, are provided with and are kept out under the lower branch line in the connector The filter screen of end opening, the connector is interior to have internal screw thread, is provided with buffering ring on the inner wall of the lower branch line lower part, described Buffering ring includes sequentially connected first cambered surface, convex peak and the second cambered surface, and there are two stop rib for setting in second cambered surface.

Further, the U-tube body includes the short vertical segment being sequentially connected, First Transition arc pipe, bottom tube section, the second mistake Arc pipe and long vertical segment are crossed, the lower branch line sets up separately in the lower end of the bottom tube section.

Further, it is additionally provided with sealing ring in the connector, there is fixed lobe on the periphery of the sealing ring, The fixed lobe is embedded in the annular groove in the connector.

Further, there is external screw thread, the upper end outer diameter of the long vertical segment on the upper end outer diameter of the short vertical segment It is upper that there is external screw thread.

Further, the cross section for stopping rib is triangular in shape.

It can be seen from above-mentioned technical proposal the utility model has the following beneficial effects:

1. due to being provided with the filter screen kept out in the lower branch line lower ending opening in the connector, thus, it drops significantly The low U-tube body blockage phenomenon, reduces maintenance cost, also improves working efficiency.

2. being conducive to since the buffering ring is used to buffer the fluid in the lower branch line to the fluid in the lower branch line Inhibition is formed, avoids impact caused by the fluid in the lower branch line from causing to impact to the U-tube body, to extend institute State the service life of U-tube connector.

The utility model is described in further detail with reference to the accompanying drawings and detailed description.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also Other attached drawings can be obtained according to the attached drawing of offer.

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the schematic diagram of the section structure of the utility model.

Fig. 3 is the partial structurtes enlarged drawing of Fig. 2 of the utility model.

Fig. 4 is the sectional view of the buffering ring of the utility model.

Description of symbols: U-tube body -1, bottom tube section -11, short vertical segment -12, long vertical segment -13, First Transition arc Manage the -14, second transition arcs pipe -15, inner flow passage -2, external screw thread -3, lower branch line -4, connector -5, internal screw thread -51, sealing ring -6, Fixed lobe -61, buffering ring -8, the first cambered surface -81, convex peak -82, the second cambered surface -83, stops rib -84 at filter screen -7.

Specific embodiment

The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be by right It is required that the multitude of different ways for limiting and covering is implemented.

The application is described further below with reference to Fig. 1 to Fig. 4, a kind of U-tube connector as shown in Figure 1, comprising: The U-tube body 1 that nozzle opens up upwards and the lower branch line 4 for being connected to 1 lower end of U-tube body, the lower end setting of the lower branch line 4 There is connector 5, the filter screen 7 kept out in 4 lower ending opening of lower branch line is provided in the connector 5, greatly reduces institute 1 blockage phenomenon of U-tube body is stated, reduces maintenance cost, also improves working efficiency.

As shown in Figures 2 and 3, there is internal screw thread 51 in the connector 5, is arranged on the inner wall of 4 lower part of lower branch line There is buffering ring 8, as shown in figure 4, the buffering ring 8 includes sequentially connected first cambered surface 81, convex peak 82 and the second cambered surface 83, institute It states and stops rib 84 in the second cambered surface 83 there are two settings, the buffering ring 8 is used to buffer the fluid in the lower branch line 4, favorably In forming inhibition to the fluid in the lower branch line 4, avoid impact caused by the fluid in the lower branch line 4 to the U Shape tube body 1 causes to impact, to extend the service life of the U-tube connector.

Specifically, being seamlessly transitted between first cambered surface 81, convex peak 82 and the second cambered surface 83, and second cambered surface 83 The bending degree of first cambered surface 81 is relatively slow.

Specifically, as shown in figure 4, it is described stop rib 84 cross section it is triangular in shape, the structure of triangle, so that under described Fluid impingement force in branch pipe 4 is uniformly distributed along the blocking rib 84, prevents local impact force excessive, described in changing The size of flow channel in lower branch line 4 can form certain inhibition to the fluid in the lower branch line 4, to slow down Impact of the fluid to the U-tube body 1 extends the service life of the U-tube connector entirety.

As shown in Figure 1, the U-tube body 1 includes the short vertical segment 12 being sequentially connected, First Transition arc pipe 14, bottom tube section 11, the second transition arcs pipe 15 and long vertical segment 13, the lower branch line 4 set up separately by welding under the bottom tube section 11 End, the inside of the lower branch line 4 and the U-tube body 1 are mutually communicated, and the bottom tube section 11 is horizontal, by described short Connecting bottom tube section 11 between vertical segment 12 and the long vertical segment 13, the company that can be suitable between height distinct device It is logical, and sound construction.

The inside of the U-tube body 1 has inner flow passage 2, specifically, the short vertical segment 12, First Transition arc pipe 14, bottom The inside of pipeline section 11, the second transition arcs pipe 15 and long vertical segment 13 mutually penetrates through, and seamlessly transits, so that the U-tube body 1 Interior fluid can smoothly circulate in the inner flow passage 2.

As shown in Fig. 2, being additionally provided with sealing ring 6 in the connector 5, have fixation convex on the periphery of the sealing ring 6 61 are played, the fixed lobe 61 is embedded in the annular groove in the connector 5, is conducive to connect the connector 5 with extraneous Sealing is formed when connecing, and prevents the leakage of fluid.

As shown in Figure 1, having external screw thread 3, the upper end of the long vertical segment 13 on the upper end outer diameter of the short vertical segment 12 There is external screw thread 3, convenient for the short vertical segment 12 and the long vertical segment 13 to be connect with other pipelines on outer diameter.

The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (5)

1. a kind of U-tube connector characterized by comprising the U-tube body (1) and be connected to the U-shaped that nozzle opens up upwards The lower end of the lower branch line (4) of tube body (1) lower end, the lower branch line (4) is provided with connector (5), setting in the connector (5) There is the filter screen (7) kept out in the lower branch line (4) lower ending opening, there are internal screw thread (51) in the connector (5), under described It is provided with buffering ring (8) on the inner wall of branch pipe (4) lower part, the buffering ring (8) includes sequentially connected first cambered surface (81), convex Peak (82) and the second cambered surface (83), there are two stop rib (84) for setting on second cambered surface (83).

2. U-tube connector according to claim 1, which is characterized in that the U-tube body (1) includes being sequentially connected Short vertical segment (12), First Transition arc pipe (14), bottom tube section (11), the second transition arcs pipe (15) and long vertical segment (13), it is described Lower branch line (4) sets up separately in the lower end of the bottom tube section (11).

3. U-tube connector according to claim 2, which is characterized in that be additionally provided with sealing ring in the connector (5) (6), there are fixed lobe (61) on the periphery of the sealing ring (6), the fixed lobe (61) is embedded in the connector (5) In interior annular groove.

4. U-tube connector according to claim 2, which is characterized in that on the upper end outer diameter of the short vertical segment (12) With external screw thread (3), there are external screw thread (3) on the upper end outer diameter of the long vertical segment (13).

5. U-tube connector according to claim 1, which is characterized in that the cross section for stopping rib (84) is in triangle Shape.