Leakage-proof dropper structure

Abstract

The utility model provides a leakproof dropper structure which comprises a vertically arranged guide pipe, a mounting ring and a limiting ring which are coaxially arranged with the guide pipe are fixedly connected in the guide pipe, the mounting ring is located below the limiting ring, and the limiting ring is an elastic ring; the mounting ring is fixedly connected with a spring located between the mounting ring and the limiting ring, the spring and the guide pipe are coaxially arranged, and a ball is further arranged between the spring and the limiting ring. The end face of the end, facing the mounting ring, of the limiting ring is provided with a first ring arc-shaped supporting face in a sunken mode, and the ball body is pushed by the spring to be partially contained in the limiting ring and abut against the first ring arc-shaped supporting face. According to the utility model, the problem of water-soluble fertilizer loss caused by liquid leakage of the conduit in the prior art is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of water-soluble fertilizer drip irrigation equipment, in particular to a leak-proof drip pipe structure. Background Art

[0002] In the prior art, water-soluble fertilizer can be dissolved in water to form liquid fertilizer, and then fertilize crops through the drip irrigation system, which can improve the utilization efficiency of water-soluble fertilizer, improve the work efficiency of fertilization operation, and avoid the waste of water-soluble fertilizer, killing two birds with one stone. In the prior art, a conduit for liquid (i.e., liquid fertilizer for dissolving water-soluble fertilizer) to pass through is provided in the drip irrigation equipment, and an opening and closing structure is provided in the conduit to control the opening and closing of the conduit to realize the supply and interruption of the liquid. Among them, the opening and closing structure provided can be a valve, such as a ball valve, a gate valve, etc., and when used specifically, the valve is first opened, and then a liquid with pressure is introduced into the conduit, and the liquid is finally supplied to the nozzle of the drip irrigation system after passing through the conduit to realize drip irrigation. In actual use, after a period of time, leakage may occur at the valve setting, resulting in loss of water-soluble fertilizer. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a leak-proof dropper structure, which solves the problem in the prior art that the catheter is prone to leakage, resulting in loss of water-soluble fertilizer.

[0004] According to an embodiment of the utility model, a leak-proof dropper structure includes a vertically arranged conduit, in which a mounting ring and a limiting ring coaxially arranged therewith are fixedly connected, and the mounting ring is located below the limiting ring, and the limiting ring is an elastic ring; the mounting ring is fixedly connected to a spring located between it and the limiting ring, the spring is coaxially arranged with the conduit, and a sphere is also arranged between it and the limiting ring; a first annular arc-shaped supporting surface is recessed on an end face of the limiting ring facing toward the mounting ring, and the sphere is pushed by the spring to be partially accommodated in the limiting ring and to resist the first annular arc-shaped supporting surface.

[0005] In the above embodiment, the provided spring pushes the ball into the limiting ring so that the ball is against the first ring arc support surface, and the limiting ring is an elastic ring, so under the action of the spring, the ball and the first ring arc support surface are elastically pressed together to achieve sealing, and when the pressurized liquid (i.e., the liquid in which the water-soluble fertilizer is dissolved) is introduced into the upper end of the catheter, the ball can be pushed downward, and the action of the spring is overcome to compress the spring, and the ball is separated from the first ring arc support surface, so that the catheter is connected and the liquid can pass smoothly, and when the pressurized liquid is not introduced, the spring can push the ball into the limiting ring again, and again against the first ring arc support surface to achieve sealing, and during the whole process, the catheter will not leak, thereby solving the problem that the catheter in the prior art is prone to leakage and causes loss of water-soluble fertilizer.

[0006] Furthermore, one end of the spring facing away from the mounting ring is fixedly connected to a retaining ring, and the ball part is accommodated in the retaining ring.

[0007] Furthermore, the spring is fixedly connected to one end face of the retaining ring, and the other end face of the retaining ring is recessed to provide a second arc-shaped supporting surface. The ball can be pressed tightly between the first arc-shaped supporting surface and the second arc-shaped supporting surface under the action of the spring.

[0008] Furthermore, a sliding sleeve is arranged around the outside of the annular ring, and a plurality of connecting rods arranged equidistantly are arranged between the sliding sleeve and the annular ring, and the sliding sleeve is in sliding contact with the inner wall of the catheter.

[0009] Furthermore, when the sphere abuts against the first annular arc-shaped supporting surface, the sliding sleeve and the limiting ring also abut against each other.

[0010] Furthermore, at least one guide bar is vertically arranged on the inner wall of the conduit and is located between the limiting ring and the mounting ring, and a guide groove for the guide bar to slide is arranged on the sliding sleeve.

[0011] Furthermore, the cross section of the guide bar is arc-shaped.

[0012] Furthermore, one end of the mounting ring facing away from the spring is configured as a bell-mouth structure that is open downward.

[0013] Furthermore, one end of the limiting ring facing away from the spring is configured as a trumpet-mouth structure that opens upward.

[0014] Furthermore, one end of the spring facing away from the sphere is connected to the upper end surface of the mounting ring.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] By arranging an installation ring, a limiting ring, a ball and a spring in the catheter, the catheter is disconnected by pushing the ball into the limiting ring through the spring, and the catheter is connected after the spring is compressed. During the whole process, the catheter will not leak, which solves the problem of liquid leakage in the catheter in the prior art that causes loss of water-soluble fertilizer. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The overall structure of the embodiment of the utility model is shown in FIG. Figure 1 ;

[0018] Figure 2 The overall structure of the embodiment of the utility model is shown in FIG. Figure 2 ;

[0019] Figure 3 for Figure 2 A is an enlarged schematic diagram of the local structure at center A;

[0020] Figure 4This is a schematic diagram of the connection structure of the anvil ring and the sliding sleeve of an embodiment of the utility model;

[0021] In the above drawings:

[0022] The conduit 1, the mounting ring 2, the limiting ring 3, the spring 4, the sphere 5, the first annular arc-shaped supporting surface 6, the abutting ring 7, the second annular arc-shaped supporting surface 8, the sliding sleeve 9, the connecting rod 10, the guide strip 11, and the guide groove 12. DETAILED DESCRIPTION

[0023] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0025] In an exemplary embodiment, Figure 1-3 As shown, this embodiment provides a leak-proof dropper structure, which includes a vertically arranged catheter 1, in which a mounting ring 2 and a limiting ring 3 coaxially arranged therewith are fixedly connected, and the mounting ring 2 is located below the limiting ring 3, and the limiting ring 3 is an elastic ring; the mounting ring 2 is fixedly connected with a spring 4 located between it and the limiting ring 3, the spring 4 is coaxially arranged with the catheter 1, and a sphere 5 is also arranged between it and the limiting ring 3; the limiting ring 3 has a first annular arc-shaped supporting surface 6 recessed on one end surface of the limiting ring 3 facing the mounting ring 2, and the sphere 5 is pushed by the spring 4 to be partially accommodated in the limiting ring 3 and to resist the first annular arc-shaped supporting surface 6.

[0026] In the above embodiment, the spring 4 is provided to push the ball 5 into the limiting ring 3, so that the ball 5 is against the first ring arc support surface 6, and the limiting ring 3 is an elastic ring, so under the action of the spring 4, the ball 5 and the first ring arc support surface 6 are elastically pressed together to achieve sealing, and when the pressurized liquid (i.e., the liquid dissolved with the water-soluble fertilizer) is introduced into the upper end of the catheter 1, the ball 5 can be pushed downward, and the action of the spring 4 is overcome to compress the spring 4, and the ball 5 is separated from the first ring arc support surface 6, so that the catheter 1 is connected and the liquid can pass smoothly. When the pressurized liquid is not introduced, the spring 4 can push the ball 5 into the limiting ring 3 again, and again against the first ring arc support surface 6 to achieve sealing. In the whole process In the process, the catheter 1 will not leak, which solves the problem of leakage of the catheter 1 in the prior art, resulting in loss of water-soluble fertilizer; in particular, the limiting ring 3 is an elastic ring, that is, it is made of elastic material, such as rubber material, and correspondingly, when the ball 5 is pressed tightly, the first annular arc supporting surface 6 can be deformed accordingly to make it more fully in contact with the ball 5, and an elastically compressed annular arc sealing section is formed between the two, and the sealing effect is better; and the set mounting ring 2 is a rigid structure, such as the same hard plastic as the catheter 1, or a steel structure, etc., mainly to provide a mounting base for the lower end of the spring 4, specifically, the lower end of the spring 4 can be fixed on the end face of the mounting ring 2, and can also be pressed against the end face of the mounting ring 2.

[0027] In a further exemplary embodiment, Figure 1-4 As shown, the end of the spring 4 facing away from the mounting ring 2 is also fixedly connected to a push ring 7, and the ball 5 is partially accommodated in the push ring 7. The set push ring 7 can better push the ball 5 into the limiting ring 3, so that the spring 4 can more stably provide elastic force to push the ball 5; further, the spring 4 is fixedly connected to the end face of one end of the push ring 7, and the other end face of the push ring 7 is recessed with a second annular arc support surface 8. The ball 5 can be pressed tightly between the first annular arc support surface 6 and the second annular arc support surface 8 under the action of the spring 4, so that the ball 5 can move up and down more stably between the push ring 7 and the limiting ring 3, thereby more smoothly realizing the on-off control of the catheter 1.

[0028] In a further exemplary embodiment, Figure 1-4As shown, a sleeve 9 is also arranged around the outside of the butt ring 7, and a plurality of connecting rods 10 arranged equidistantly are arranged between the sleeve 9 and the butt ring 7, and the sleeve 9 is also in sliding contact with the inner wall of the conduit 1, and the sleeve 9 is fixedly connected to the butt ring 7 through the connecting rod 10, so that the butt ring 7 can be indirectly moved up and down under the guidance of the sleeve 9, avoiding the shaking of the butt ring 7, which is beneficial to ensure that the spring 4 will not be adversely affected by the shaking, and is beneficial to improve the running stability of the spring 4, and the connecting rods 10 are separated, leaving a gap for the liquid to pass through, and will not block the liquid from passing through the conduit 1 smoothly; in more detail, when the sphere 5 abuts against the first annular arc support surface 6, the sleeve 9 also abuts against the limit ring 3, so that the sleeve 9 prevents the sphere 5 from being excessively pressed against the limit ring 3.

[0029] In a more detailed exemplary embodiment, Figure 1-4 As shown, at least one guide bar 11 is vertically arranged on the inner wall of the conduit 1 and is located between the limit ring 3 and the mounting ring 2, and a guide groove 12 is arranged on the sliding sleeve 9 for the guide bar 11 to slide. The guide bar 11 and the guide groove 12 cooperate to enable the sliding sleeve 9 to move up and down smoothly, thereby effectively avoiding accidental twisting of the spring 4 and making the spring 4 run more smoothly; more preferably, the cross-section of the guide bar 11 and the guide groove 12 can be arc-shaped, so that the sliding is smoother, and they can also be arranged in a symmetrical pair, or more equidistantly arranged.

[0030] In a further exemplary embodiment, Figure 1 , 2 As shown, the end of the mounting ring 2 away from the spring 4 is arranged as a bell-mouth structure open downward, and the end of the limiting ring 3 away from the spring 4 is arranged as a bell-mouth structure open upward, that is, the upper end opening of the limiting ring 3 is larger, so that the liquid can be pressurized when it moves downward, and the ball 5 is pushed downward better. Correspondingly, the lower end opening of the mounting ring 2 is also larger, so that it can guide the liquid to move downward more smoothly.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A leak-proof dropper structure, characterized in that: It comprises a vertically arranged conduit, in which a mounting ring and a limiting ring arranged coaxially therewith are fixedly connected, and the mounting ring is located below the limiting ring, and the limiting ring is an elastic ring; the mounting ring is fixedly connected with a spring located between it and the limiting ring, the spring is arranged coaxially with the conduit, and a sphere is also arranged between it and the limiting ring; the limiting ring has a first annular arc-shaped supporting surface recessed on an end surface of one end facing the mounting ring, and the sphere can be partially accommodated in the limiting ring and abutted against the first annular arc-shaped supporting surface when pushed by the spring.

2. The leak-proof dropper structure according to claim 1, characterized in that: One end of the spring facing away from the mounting ring is also fixedly connected with a retaining ring, and the spherical body is partially accommodated in the retaining ring.

3. The leak-proof dropper structure according to claim 2, characterized in that: The spring is fixedly connected to one end face of the butt ring, and the other end face of the butt ring is recessed to provide a second annular arc support surface. The sphere can be pressed tightly between the first annular arc support surface and the second annular arc support surface under the action of the spring.

4. The leak-proof dropper structure according to claim 2, characterized in that: A sliding sleeve is arranged around the outer side of the butt ring, and a plurality of connecting rods arranged equidistantly are arranged between the sliding sleeve and the butt ring, and the sliding sleeve is also in sliding contact with the inner wall of the catheter.

5. The leak-proof dropper structure according to claim 4, characterized in that: When the sphere abuts against the first annular arc-shaped supporting surface, the sliding sleeve and the limiting ring also abut against each other.

6. The leak-proof dropper structure according to claim 4, characterized in that: At least one guide bar located between the limiting ring and the mounting ring is vertically arranged on the inner wall of the conduit, and a guide groove for the guide bar to slide is arranged on the sliding sleeve.

7. The leak-proof dropper structure according to claim 6, characterized in that: The cross section of the guide strip is arc-shaped.

8. The leak-proof dropper structure according to any one of claims 1 to 7, characterized in that: One end of the mounting ring facing away from the spring is configured as a bell-mouth structure that opens downward.

9. The anti-leakage dropper structure according to any one of claims 1 to 7, characterized in that: One end of the limiting ring away from the spring is arranged as a bell-mouth structure which is open upward.

10. The leak-proof dropper structure according to claim 1, characterized in that: One end of the spring facing away from the sphere is connected to the upper end surface of the mounting ring.

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