Water hose connecting piece with good sealing performance

Abstract

The utility model relates to the technical field of agricultural irrigation equipment, in particular to a water hose connecting piece with good sealing performance, which comprises a water hose, a plastic nut welded on the water hose, a convex ring arranged on the plastic nut, a threaded hole formed in the center of the plastic nut, a straight-through pipe and a three-way pipe, threaded holes are formed in the plastic nut, threaded sections matched with the threaded holes are formed in one end, close to the plastic nut, of the straight-through pipe and one end, close to the plastic nut, of the three-way pipe, and sealing assemblies are arranged between the threaded holes and the threaded sections. The shielding ring has a sealing function, sealing can be effectively carried out in the mode that the whole threaded section and the shielding ring are screwed into the threaded hole, and water flow flowing out of the connecting position of the straight-through pipe or the three-way pipe and the plastic nut is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of agricultural irrigation equipment, especially relates to a water hose connecting piece with good sealing performance. BACKGROUND

[0002] Plastic water hose (especially PE water hose) is widely used in the irrigation system of agricultural planting, in order to save water resources, the present irrigation mode generally belongs to the drip irrigation mode, and when using, the pipe wall of the plastic water hose needs to be punched, and a water guide piece (such as a straight pipe or a three-way pipe) is installed at the reserved hole position, so that water is led out from the three-way pipe and then drip irrigation is carried out on crops needing drip irrigation.

[0003] The water guide piece is a plastic nut fused on the water hose and a straight pipe or a three-way pipe installed on the plastic nut, and the straight pipe or the three-way pipe is installed together with the plastic nut through a threaded relationship, so that the straight pipe or the three-way pipe is more convenient to disassemble, for example, the patent application file with the application number 201410170581.3 discloses a plastic water hose for irrigation and a manufacturing process thereof, the plastic water hose is fixedly connected with a plastic nut at the installation hole position of the pipe wall of the plastic water hose, and the water guide piece is installed on the plastic nut to realize water guiding; when the plastic water hose is used up and needs to be withdrawn, the water guide piece can be screwed off, and only the plastic nut is left on the plastic water hose.

[0004] However, the above-mentioned water guide piece will cause a small amount of water flow to flow out along the connection between the straight pipe or the three-way pipe and the plastic nut when used because the pressure of the water flow in the water hose is too large, if the drip irrigation site is large, even if a small amount of water source is wasted by each water guide piece, a large amount of water source is wasted by a large number of water guide pieces, especially in water-deficient areas, water resource waste needs to be reduced, at this time, in order to reduce the water flow from the connection between the straight pipe or the three-way pipe and the plastic nut, a new water hose connecting piece is designed to solve the above-mentioned problems. CONTENT OF THE UTILITY MODEL

[0005] To solve the above technical problems, the utility model provides a water hose connecting piece with good sealing performance.

[0006] The utility model provides a water hose connecting piece with good sealing performance, which comprises a water hose, a plastic nut fused on the water hose, a convex ring installed on the plastic nut, a threaded hole formed in the center of the plastic nut, a straight pipe and a three-way pipe, the end of the straight pipe and the three-way pipe close to the plastic nut is provided with a threaded segment matched with the threaded hole, and a sealing assembly is arranged between the threaded hole and the threaded segment.

[0007] Preferably, the sealing assembly comprises a shielding ring mounted on the straight-through pipe or the tee pipe, the shielding ring is located at one side of the threaded section, the shielding ring is located at the end of the threaded section away from the plastic nut, and the diameter of the threaded section is consistent with the diameter of the shielding ring.

[0008] Preferably, the sealing assembly comprises a shielding ring mounted on the straight-through pipe or the tee pipe, a clamping groove formed in the plastic nut, the diameter of the shielding ring is larger than the diameter of the threaded section, a sealing element is arranged between the shielding ring and the clamping groove, the sealing element is a sealing ring, the sealing ring is mounted at the threaded section, the sealing ring can be clamped in the clamping groove, and the diameter of the sealing ring is consistent with the diameter of the shielding ring.

[0009] Preferably, the sealing assembly comprises a shielding ring mounted on the straight-through pipe or the tee pipe, a groove formed in the plastic nut, and the side surface of the shielding ring close to the plastic nut is an inclined surface, and the groove is provided with an inclined groove matched with the inclined surface of the plastic nut.

[0010] Preferably, the sealing assembly comprises a shielding ring mounted on the straight-through pipe or the tee pipe, a groove formed in the plastic nut, and the side surface of the shielding ring close to the plastic nut is a stepped surface, and the groove is provided with a stepped groove matched with the stepped surface of the plastic nut.

[0011] Compared with the related art, the water hose connecting piece with good sealing property has the following beneficial effects:

[0012] 1. The first mode for reducing water leakage is that the threaded section of the tee pipe or the straight-through pipe is screwed into the threaded hole formed in the plastic nut, so that the entire shielding ring can be located in the threaded hole, the shielding ring has a sealing effect, the threaded section and the shielding ring are screwed into the threaded hole in a mode, and thus water flow can be effectively sealed and reduced from the connection between the straight-through pipe or the tee pipe and the plastic nut.

[0013] 2. The second mode is that a clamping groove is designed on the plastic nut, a sealing ring is designed on the straight-through pipe or the tee pipe, and the sealing ring can be clamped in the clamping groove, water flow passes through the connection between the threaded hole and the threaded section, and thus reaches the sealing ring, the sealing ring can effectively block part of the water flow, and thus water flow can be reduced from the connection between the straight-through pipe or the tee pipe and the plastic nut.

[0014] 3. The third mode is that the inclined surface of the shielding ring is matched with the inclined groove of the plastic nut, the straight-through pipe or the tee pipe is screwed on the plastic nut, and then the inclined surface of the shielding ring is in contact with the inclined groove of the plastic nut, at this time, water flow passes through the connection between the threaded hole and the threaded section, and thus reaches the inclined surface of the shielding ring and the inclined groove of the plastic nut, and thus the water flow can be blocked, and thus water flow can be reduced from the connection between the straight-through pipe or the tee pipe and the plastic nut.

[0015] 4. The fourth way is that the stepped surface on the shielding ring is matched with the stepped groove on the plastic nut, the stepped surface is matched with the stepped groove, the water flow passes through the connection between the threaded hole and the threaded section, and then reaches the stepped surface on the shielding ring and the stepped groove of the plastic nut, so that the water flow is blocked, and the water flow from the connection between the straight-through pipe or the tee pipe and the plastic nut is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic view of the original plastic nut structure;

[0017] Figure 2 It is a sectional view of the original plastic nut structure;

[0018] Figure 3 It is a schematic view of the original tee pipe structure;

[0019] Figure 4 It is a sectional view of the original tee pipe structure;

[0020] Figure 5 It is an assembly schematic view of the tee pipe and the shielding ring of the utility model;

[0021] Figure 6 It is an assembly sectional view of the tee pipe and the shielding ring of the utility model;

[0022] Figure 7 It is an assembly schematic view of the plastic nut provided with an inclined groove of the utility model;

[0023] Figure 8 It is an assembly sectional view of the plastic nut provided with an inclined groove of the utility model;

[0024] Figure 9 It is an assembly schematic view of the tee pipe with the side of the shielding ring being an inclined surface of the utility model;

[0025] Figure 10 It is an assembly sectional view of the tee pipe with the side of the shielding ring being an inclined surface of the utility model;

[0026] Figure 11 It is an assembly schematic view of the plastic nut provided with a clamping groove of the utility model;

[0027] Figure 12 It is an assembly sectional view of the plastic nut provided with a clamping groove of the utility model;

[0028] Figure 13 It is an assembly schematic view of the tee pipe, the shielding ring and the sealing ring of the utility model;

[0029] Figure 14The utility model discloses a tee pipe, shielding ring, sealing ring assembly sectional view.

[0030] Marked in the drawing: 1, plastic nut; 2, tee pipe; 3, shielding ring; 4, inclined groove; 5, clamping groove; 6, sealing ring. PREFERRED EMBODIMENT

[0031] In order to make the utility model purposes, technical scheme and advantages more clearly, the following is in conjunction with the embodiment, and the utility model is further detailedly explained.It should be understood that the specific embodiment described here is only used to explain the utility model, and is not used to limit the utility model.

[0032] The specific implementation of the utility model is described in detail in conjunction with the specific embodiment.

[0033] Please refer to Figures 5 to 14 As shown in the figure, the utility model discloses a kind of water hose connecting piece of good sealing, comprising: water hose, plastic nut 1 is fused on water hose, convex ring is installed on plastic nut 1, the central of plastic nut 1 is formed with threaded hole, straight-through pipe and tee pipe 2, straight-through pipe and tee pipe 2 are close to the end of plastic nut 1, and are all set with the threaded segment of being adapted to threaded hole, and sealing assembly is arranged between threaded hole and threaded segment.

[0034] Please refer to Figure 1 And Figure 2 And Figure 5 And Figure 6 As shown in the figure, sealing assembly includes shielding ring 3 installed on straight-through pipe or tee pipe 2, shielding ring 3 is located at the side of threaded segment, shielding ring 3 is located at the end of threaded segment away from plastic nut 1, and the diameter of threaded segment is consistent with the diameter of shielding ring 3.

[0035] This embodiment, the threaded segment of tee pipe 2 or straight-through pipe is screwed into the threaded hole set in plastic nut 1, so that the whole shielding ring 3 can be located in threaded hole, shielding ring 3 has the effect of sealing, and the mode that the whole threaded segment and shielding ring 3 are screwed into threaded hole can effectively seal, reduce water flow from the connection of straight-through pipe or tee pipe 2 and plastic nut 1.

[0036] Please refer to Figures 11 to 14 As shown in the figure, sealing assembly includes shielding ring 3 installed on straight-through pipe or tee pipe 2, clamping groove 5 set in plastic nut 1, the diameter of shielding ring 3 is greater than the diameter of threaded segment, sealing element is arranged between shielding ring 3 and clamping groove 5, sealing element is sealing ring 6, sealing ring 6 is installed at threaded segment, sealing ring 6 can be clamped in clamping groove 5, and the diameter of sealing ring 6 is consistent with the diameter of shielding ring 3.

[0037] The embodiment designs the clamping groove 5 on the plastic nut 1, designs the sealing ring 6 on the straight-through pipe or tee pipe 2, the sealing ring 6 can be clamped in the clamping groove 5, the water flow will pass through the connection between the threaded hole and the threaded section, and then reach the sealing ring 6, the sealing ring 6 can effectively block part of the water flow, so that the water flow from the connection between the straight-through pipe or tee pipe 2 and the plastic nut 1 can be reduced.

[0038] Please refer to Figures 5 to 14 The sealing assembly comprises the shielding ring 3 installed on the straight-through pipe or tee pipe 2 and the groove opened on the plastic nut 1, the side surface of the shielding ring 3 close to the plastic nut 1 is an inclined surface, and the groove is provided with the inclined groove 4 matched with the inclined surface of the plastic nut 1.

[0039] The embodiment matches the inclined surface of the shielding ring 3 with the inclined groove 4 of the plastic nut 1, the straight-through pipe or tee pipe 2 is screwed on the plastic nut 1, and then the inclined surface of the shielding ring 3 is contacted with the inclined groove 4 of the plastic nut 1, at this time, the water flow will pass through the connection between the threaded hole and the threaded section, and then reach the inclined surface of the shielding ring 3 and the inclined groove 4 of the plastic nut 1, so that the water flow can be blocked, and the water flow from the connection between the straight-through pipe or tee pipe 2 and the plastic nut 1 can be reduced.

[0040] Please refer to Figures 8 to 10 The sealing assembly comprises the shielding ring 3 installed on the straight-through pipe or tee pipe 2 and the groove opened on the plastic nut 1, the side surface of the shielding ring 3 close to the plastic nut 1 is a stepped surface, and the groove is provided with the stepped groove matched with the stepped surface of the plastic nut 1.

[0041] The embodiment matches the stepped surface of the shielding ring 3 with the stepped groove opened on the plastic nut 1, the stepped surface is matched with the stepped groove, the water flow will pass through the connection between the threaded hole and the threaded section, and then reach the stepped surface of the shielding ring 3 and the stepped groove of the plastic nut 1, so that the water flow can be blocked, and the water flow from the connection between the straight-through pipe or tee pipe 2 and the plastic nut 1 can be reduced.

[0042] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and equivalent structures or equivalent process transformations made by using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A hose coupling having a good seal, comprising: The invention discloses a water hose, a plastic nut (1) welded on the water hose, a convex ring installed on the plastic nut (1), a threaded hole formed in the center of the plastic nut (1), a straight pipe and a three-way pipe (2), and the straight pipe and the three-way pipe (2) are provided with a threaded section matched with the threaded hole at one end close to the plastic nut (1), characterized in that a sealing assembly is arranged between the threaded hole and the threaded section.

2. The improved hose coupling of claim 1, wherein, The sealing assembly comprises a shielding ring (3) installed on the straight pipe or the three-way pipe (2), the shielding ring (3) is located at one side of the threaded section, the shielding ring (3) is located at one end of the threaded section away from the plastic nut (1), and the diameter of the threaded section is consistent with the diameter of the shielding ring (3).

3. The improved hose coupling of claim 1, wherein, The sealing assembly comprises a shielding ring (3) installed on the straight pipe or the three-way pipe (2) and a clamping groove (5) formed on the plastic nut (1), the diameter of the shielding ring (3) is larger than the diameter of the threaded section, and a sealing element is arranged between the shielding ring (3) and the clamping groove (5).

4. The improved hose coupling of claim 3, wherein, The sealing element is a sealing ring (6), the sealing ring (6) is installed at the threaded section, and the sealing ring (6) can be clamped in the clamping groove (5).

5. A hose coupling according to claim 4, wherein the sealing member is a sealing ring. The diameter of the sealing ring (6) is consistent with the diameter of the shielding ring (3).

6. The improved hose coupling of claim 1, wherein, The sealing assembly comprises a shielding ring (3) installed on the straight pipe or the three-way pipe (2) and a groove formed on the plastic nut (1), the side surface of the shielding ring (3) close to the plastic nut (1) is an inclined surface, and the groove is provided with an inclined groove (4) matched with the inclined surface of the plastic nut (1).

7. The improved hose coupling of claim 1 wherein, The sealing assembly comprises a shielding ring (3) installed on the straight pipe or the three-way pipe (2) and a groove formed on the plastic nut (1), the side surface of the shielding ring (3) close to the plastic nut (1) is a stepped surface, and the groove is provided with a stepped groove matched with the stepped surface of the plastic nut (1).

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