Water nozzle with telescopic structure

Abstract

The utility model relates to the technical field of water nozzles, in particular to a water nozzle with a telescopic structure, which comprises a sleeve part and an inner pipe part, the inner pipe part is inserted into the sleeve part, the sleeve part comprises a sleeve, an external thread joint and a filter screen, the top of the sleeve is provided with a pipe orifice for the inner pipe part to extend out, and the outer thread joint is connected with the filter screen. And fan-shaped sheets for sealing the pipe orifice are equidistantly arranged on the inner circumference of the pipe orifice. Through the assembly composed of the sleeve part and the inner pipe part, a set of telescopic water nozzle structure is provided for industrial, agricultural and other outdoor water using places, in the drainage state, the inner pipe part is jacked out when the interior of the sleeve part is subjected to water pressure, and in the non-drainage state, no water pressure acts on the interior of the inner pipe part, and the inner pipe part is shrunk into the sleeve part; and the pipe orifice is closed based on the fan-shaped sheet, so that the inner pipe part directly used for drainage is protected, impurities such as soil and sand grains can be prevented from entering, and the pollution risk of the environment to the inner pipe part is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to water nozzle technical field, concretely relates to a water nozzle with telescopic structure. BACKGROUND

[0002] Water nozzle is widely used in industry and agriculture, in industry, water nozzle is used for equipment cleaning, cooling system water supplement, production line flushing etc., in agriculture, water nozzle is often used in irrigation system, is convenient for distributing water, satisfies crop growth demand, guarantees irrigation effect.

[0003] The existing water nozzle has the problems of insufficient protection, inconvenient state switching and poor environmental adaptability, therefore, a water nozzle with telescopic structure is provided. UTILITY MODEL CONTENTS

[0004] In view of the problems in the prior art, the utility model provides a water nozzle with telescopic structure to provide a telescopic water nozzle structure for industrial, agricultural and other outdoor water places, in the drainage state, the sleeve part is subjected to water pressure inside, the inner tube part will be pushed out, in the undrainage state, the sleeve part is not subjected to water pressure inside the inner tube part, and the inner tube part will be contracted in the sleeve part, and the pipe opening is closed based on the sector piece, so that the inner tube part directly used for drainage is protected, and the risk of pollution by the environment can be reduced.

[0005] The utility model solves the technical problems by adopting the technical scheme of a water nozzle with telescopic structure, which comprises a sleeve part and an inner tube part, the inner tube part is inserted into the sleeve part;

[0006] The sleeve part comprises a sleeve, an external thread joint and a filter screen, the sleeve top is provided with a pipe opening for the inner tube part to stretch out, the pipe opening inner periphery is provided with sector pieces for closing the pipe opening at equal distances, and the sector piece end is rotationally connected with the sleeve through a spring hinge.

[0007] By adopting the above technical scheme, the sleeve part and the inner tube part form an assembly, which provides a telescopic water nozzle structure for industrial, agricultural and other outdoor water places, in the drainage state, the sleeve part is subjected to water pressure inside, the inner tube part will be pushed out, in the undrainage state, the sleeve part is not subjected to water pressure inside the inner tube part, and the inner tube part will be contracted in the sleeve part, and the pipe opening is closed based on the sector piece, so that the inner tube part directly used for drainage is protected, and the risk of pollution by the environment can be reduced.

[0008] Specifically, the external thread joint is connected to the bottom of the sleeve, the internal thread is arranged in the external thread joint, the threaded sleeve is connected to the internal thread, the inner periphery of the threaded sleeve is in the shape of an internal hexagonal through hole, and the filter screen is fixed to the inner periphery of the threaded sleeve.

[0009] By adopting the technical scheme, the water source entering the sleeve can be filtered to a certain extent through the filter screen.

[0010] Specifically, the inner tube part comprises an inner tube and a spring, the inner tube is provided with a spray hole for draining water at the center, the bottom of the inner tube is provided with a stop ring, and the top of the outer periphery of the stop ring is provided with a rubber sealing ring.

[0011] Specifically, the spring is arranged at the bottom of the stop ring, and the two ends of the spring are connected with the stop ring and the inner bottom of the sleeve respectively.

[0012] By adopting the technical scheme, when there is no drainage pressure in the sleeve part, the spring will pull back the inner tube part based on the elastic force, so that the inner tube part is retracted into the sleeve part, the fan-shaped piece loses the pushing force, and the pipe opening is re-covered based on the spring hinge rotation, so that protection is realized.

[0013] The beneficial effects of the utility model are as follows: the assembly composed of the sleeve part and the inner tube part provides a telescopic water nozzle structure for outdoor water use places such as industry and agriculture, in the drainage state, the inner tube part is pushed out under the water pressure in the sleeve part, in the non-drainage state, there is no water pressure in the inner tube part, the inner tube part is retracted into the sleeve part, and the pipe opening is closed based on the fan-shaped piece, so that the inner tube part directly used for drainage is protected, the impurities such as soil and sand particles are prevented from entering, the pollution risk of the environment is reduced, the telescopic state is automatically switched based on the state of the drainage pressure, the use applicability is good, and the problems of insufficient protection, inconvenient state switching, and poor environmental adaptability of the existing water nozzle are solved. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model is further described below in combination with the drawings and examples.

[0015] Figure 1 It is a schematic view of the inner tube part extending out of the sleeve part of the utility model;

[0016] Figure 2 It is a schematic view of the inner tube part retracting into the sleeve part of the utility model;

[0017] Figure 3 It is a schematic view of the sleeve of the utility model;

[0018] Figure 4 It is a schematic view of the bottom of the sleeve of the utility model;

[0019] Figure 5 It is a schematic view of the inner tube of the utility model;

[0020] In the figure: Sleeve 1, Sleeve 11, Pipe opening 12, Fan-shaped plate 13, External threaded connector 14, Internal thread 15, Threaded sleeve 16, Filter screen 17, Inner tube 2, Inner tube 21, Spray hole 22, Retaining ring 23, Rubber sealing ring 24, Spring 25. Detailed Implementation

[0021] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0022] like Figures 1-5 As shown, the water tap with a telescopic structure of the present invention includes a sleeve part 1 and an inner tube part 2, wherein the inner tube part 2 is inserted into the sleeve part 1.

[0023] The sleeve part 1 includes a sleeve 11, an external threaded joint 14 and a filter screen 17. The top of the sleeve 11 is provided with a pipe opening 12 for the inner tube part 2 to extend out. The inner circumference of the pipe opening 12 is provided with fan-shaped plates 13 for closing the pipe opening 12 at equal intervals. The ends of the fan-shaped plates 13 are rotatably connected to the sleeve 11 by spring hinges.

[0024] When there is drainage pressure inside the sleeve 1, the inner tube 2 is pushed out by the water pressure, and at the same time the fan-shaped plate 13 is pushed open by the inner tube 2, thus opening.

[0025] The present invention also includes that the external threaded connector 14 is connected to the bottom of the sleeve 11, the external threaded connector 14 is provided with an internal thread 15, the internal thread 15 is connected with a threaded sleeve 16, the inner circumference of the threaded sleeve 16 is an internal hexagonal through hole, and the filter screen 17 is fixed to the inner circumference of the threaded sleeve 16.

[0026] When in use, the filter screen 17 allows the water entering the sleeve 11 to be filtered to a certain extent. When regular maintenance is required, personnel can remove the external threaded connector 14 and the internal threaded sleeve 16 to clean the filter screen 17 or replace the threaded sleeve 16 and the filter screen 17 to ensure the cleanliness of the water used. If the water source meets the water requirements, there is no need to install the filter screen 17 and its threaded sleeve 16.

[0027] The present invention also includes an inner tube 21 and a spring 25, wherein a spray hole 22 for drainage is provided through the center of the inner tube 21, a retaining ring 23 is provided on the outer periphery of the bottom of the inner tube 21, and a rubber sealing ring 24 is provided on the top of the outer periphery of the retaining ring 23.

[0028] The present invention also includes that the spring 25 is disposed at the bottom of the retaining ring 23, and the two ends of the spring 25 are respectively connected to the retaining ring 23 and the bottom of the sleeve 11.

[0029] In use, by the arrangement of spring 25, when there is no drainage pressure inside sleeve part 1, spring 25 will pull back inner tube part 2 based on elastic force, make inner tube part 2 retract into sleeve part 1, and sector 13 lose pushing force, and re-cover pipe opening 12 based on spring hinge rotation, realize protection treatment.

[0030] In use, personnel assemble external thread joint 14 on the drainage system pipeline to be cooperated, during which, according to actual assembly use demand, external thread joint 14 can be set as flange or other required joint, when the drainage system drains, water source enters sleeve 11, and pushes and presses tail end of inner tube 21, make head of inner tube 21 press and stretch out pipe opening 12, at the same time, sector 13 is pushed and opened by inner tube part 2, and water source is discharged outside through the spray hole 22 of inner tube 21, by the arrangement of stop ring 23, tail of inner tube 21 is limited in sleeve 11, when the drainage ends, there is no drainage pressure inside sleeve part 1, spring 25 will pull back inner tube part 2 based on elastic force, make inner tube part 2 retract into sleeve part 1, and sector 13 lose pushing force, and re-cover pipe opening 12 based on spring hinge rotation, realize protection treatment.

[0031] The basic principle, main features and advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned implementation and the description in the specification are only to illustrate the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, these changes and improvements all fall into the scope of the utility model claimed to be protected. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A water tap with a telescopic structure, characterized in that, It includes a sleeve portion (1) and an inner tube portion (2), wherein the inner tube portion (2) is inserted inside the sleeve portion (1); The sleeve part (1) includes a sleeve (11), an external threaded joint (14) and a filter screen (17). The top of the sleeve (11) is provided with a pipe opening (12) for the inner tube part (2) to extend out. The inner circumference of the pipe opening (12) is provided with fan-shaped plates (13) for closing the pipe opening (12) at equal intervals. The end of the fan-shaped plate (13) is rotatably connected to the sleeve (11) by a spring hinge.

2. A water tap with a telescopic structure according to claim 1, characterized in that, The external threaded connector (14) is connected to the bottom of the sleeve (11). The external threaded connector (14) is provided with an internal thread (15). A threaded sleeve (16) is connected inside the internal thread (15). The inner circumference of the threaded sleeve (16) is an internal hexagonal through hole, and the filter screen (17) is fixed to the inner circumference of the threaded sleeve (16).

3. A water tap with a telescopic structure according to claim 2, characterized in that, The inner tube (2) includes an inner tube (21) and a spring (25). The inner tube (21) has a spray hole (22) for drainage through its center. A retaining ring (23) is provided on the outer periphery of the bottom of the inner tube (21), and a rubber sealing ring (24) is provided on the top of the outer periphery of the retaining ring (23).

4. A water tap with a telescopic structure according to claim 3, characterized in that, The spring (25) is located at the bottom of the retaining ring (23), and both ends of the spring (25) are connected to the bottom of the retaining ring (23) and the inner bottom of the sleeve (11), respectively.

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