Fish mouth type foam nozzle

Abstract

The utility model discloses a fish mouth type foam sprayer which comprises a sprayer base, a sprayer gland and a fish mouth type nozzle. An inner cavity is formed in the fish-mouth-shaped nozzle, a fish-mouth-shaped opening is formed in the spherical end face of the fish-mouth-shaped nozzle, and the tip end of the fish-mouth-shaped opening expands towards the inner cavity side and towards the outer side along the inner cavity side. The fish mouth type nozzle is mounted between and limited by the nozzle base and the nozzle gland; a cavity allowing the fish-mouth-type nozzle to penetrate through is formed in the sprayer base, a limiting convex groove is formed in one end of the sprayer base to limit the fish-mouth-type nozzle, the other end of the sprayer base and the sprayer gland are movably installed, and the sprayer gland can move in the axial direction of the sprayer base. The spray head adopts a novel fish mouth type structure, the spray head cavity design enables foam atomization to be more uniform, the spraying pressure is large, the spray head can be flexibly adjusted, and the anti-falling structure design ensures that the spray head is stable and reliable; the problems that in the prior art, a sprayer is poor in spraying effect, sprayed foam is uneven in atomization, the sprayer is inflexible in rotation and poor in sealing performance, and a sprayer gland is prone to falling off are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of mine dust control, in particular to a fish-mouth type foam nozzle. Background Art

[0002] The process of reproducing the excavation face will generate a large amount of dust, which seriously deteriorates the working environment, has a high risk of explosion, and affects construction safety. Inhaled dust has a long-term impact and seriously threatens the health of workers. At the same time, long-term operation of mechanical equipment in a dusty environment also affects the service life. In the field of dust reduction and spraying, the nozzle is one of the key structures, which is used to spray liquid or foam onto the target surface or area in a specific way. There are many types of nozzles on the market, including fixed nozzles, rotating nozzles, etc. They are widely used in construction, environmental cleaning, agricultural sprinkler irrigation and other fields.

[0003] However, traditional nozzles have a series of problems in practical applications. For example, ① Rust phenomenon: the materials used in some nozzles are prone to rust, which leads to poor dust reduction effect and difficulty in disassembling the nozzles, and also affects the reliability and durability of the equipment.

[0004] ②Poor spraying effect: Some nozzles cannot achieve uniform atomization of foam during the spraying process, resulting in poor coating quality and insufficient coverage.

[0005] ③ Inflexible rotation: The rotation performance of some nozzles is limited, the sealing is poor, and they cannot meet the needs in complex environments, resulting in low operating efficiency.

[0006] ④ The gland cap is easy to fall off: The design of some nozzles may cause the gland cap to fall off easily, affecting the normal operation of the equipment.

[0007] These problems limit the efficiency and reliability of traditional sprinkler equipment in practical applications, and also bring inconvenience and additional maintenance costs to underground dust control. Therefore, it is necessary to propose a new sprinkler design to solve the problems of the existing technology and improve the performance and reliability of the equipment. Utility Model Content

[0008] The utility model aims to provide a fish-mouth foam nozzle, which adopts a novel fish-mouth structure nozzle and a nozzle cavity design to make the foam atomization more uniform and the spraying pressure greater, the nozzle can be flexibly adjusted 360°, and the anti-detachment structure design ensures that the nozzle is stable and reliable during operation; it solves the problems of poor spraying effect of the prior art nozzle, uneven spray foam atomization, inflexible nozzle rotation and poor sealing, and easy falling off of the nozzle pressure cover.

[0009] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0010] The fish-mouth type foam spray head comprises a spray head base, a spray head gland and a fish-mouth type nozzle; the fish-mouth type nozzle is provided with an inner cavity, and a fish-mouth type opening is provided on a spherical end surface of the fish-mouth type nozzle, the tip of the fish-mouth type opening faces the inner cavity side, and expands outward along the inner cavity side, and foam is sprayed out from the fish-mouth type opening;

[0011] The fish-mouth nozzle is installed between the nozzle base and the nozzle gland and is limited by the two. A cavity is provided inside the nozzle base for the fish-mouth nozzle to pass through. A limiting convex groove is provided at one end of the nozzle base to limit the fish-mouth nozzle. The other end is movably installed with the nozzle gland, and the nozzle gland moves axially along the nozzle base.

[0012] A chamber is arranged inside the nozzle base and is communicated with the inner cavity of the fish-mouth nozzle.

[0013] Furthermore, the nozzle base is provided with a first chamber and a second chamber, the radial cross-section of the first chamber is smaller than that of the second chamber, and the foam enters the nozzle base, passes through the first chamber and the second chamber in sequence, enters the cavity in the nozzle gland, and is accelerated to be ejected from the fish-mouth-shaped opening.

[0014] Furthermore, it also includes a fastener, which is installed on the side of the nozzle cover and has one end in contact with the nozzle base, and is used to fasten the nozzle cover to prevent the nozzle cover from falling off during operation.

[0015] Furthermore, the fastener is an anti-slip fastening wire, and a threaded hole is provided on the side of the nozzle gland, and the anti-slip fastening wire is adapted to be installed in the hole.

[0016] Furthermore, the nozzle base and the nozzle gland are both provided with nut structures on the outside for easy disassembly.

[0017] Furthermore, the fish-mouth-shaped opening angle is 55-60°, which is used to spray a uniform fan-shaped water curtain.

[0018] Furthermore, the fish-mouth nozzle is a universal ball structure, which can move relative to the nozzle cover and is used for 360° angle adjustment.

[0019] Furthermore, the liquid inlet end of the nozzle base can be detachably mounted on the dust suppression device.

[0020] Furthermore, the detachable installation is a threaded connection, and a nut structure is provided on the outside of the nozzle base to facilitate disassembly.

[0021] Furthermore, the movable installation is a threaded connection, and a nut structure is provided on the outer side of the nozzle cover to facilitate the movement of the nozzle cover relative to the nozzle base.

[0022] Compared with the prior art, the utility model has the following beneficial effects:

[0023] 1. Uniform atomization: The new fish-mouth structure nozzle design makes the foam atomization more uniform, improves the spraying effect, and makes the coating coverage more uniform and higher quality; the foam density is increased and the spraying force is increased, making the overall foam wrapping better and more practical in the on-site dust reduction construction environment;

[0024] 2. High spraying pressure: The special nozzle cavity design allows the foam to be sprayed with greater pressure and cover a wider area;

[0025] 3. Flexible adjustment: The nozzle is designed with a universal ball principle and can be flexibly adjusted 360° to meet the needs of different positions and directions, achieving dust reduction operations without dead angles and improving the flexibility and efficiency of operations;

[0026] 4. Anti-drop structure design: The pressure cap with anti-drop structure design ensures that the nozzle is stable and reliable during operation, avoids equipment failure caused by the pressure cap falling off, and improves the reliability and safety of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A schematic diagram of the main structure of the fish-mouth type foam nozzle provided in Example 1;

[0028] Figure 2 An axial cross-sectional view of the fish-mouth foam nozzle provided in Example 1;

[0029] Figure 3 A schematic diagram of the side structure of the fish-mouth type foam nozzle provided in Example 1;

[0030] Figure 4 A cross-sectional view of a fish-mouth nozzle provided in Example 2;

[0031] Figure 5 A schematic diagram of the structure of a fish-mouth nozzle provided in Example 2;

[0032] In the figure, 1. nozzle base; 2. nozzle pressure cover; 3. fish-mouth nozzle; 4. anti-drop fastening wire; 5. first chamber; 6. second chamber. DETAILED DESCRIPTION

[0033] The utility model is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0034] Example 1

[0035] like Figure 1 to Figure 3 As shown, the fish-mouth type foam spray head comprises a spray head base 1, a spray head gland 2, a fish-mouth type nozzle 3 and an anti-detachment fastening wire 4.

[0036] The fish-mouth nozzle 3 is provided with an inner cavity, which is connected with the chamber of the nozzle base 1. The spherical end surface of the fish-mouth nozzle 3 is provided with a fish-mouth-shaped opening, the tip of the fish-mouth-shaped opening is toward the inner cavity side, and expands outward along the inner cavity side. The angle of the fish-mouth-shaped opening is 55-60 degrees. Foam is sprayed out from the fish-mouth-shaped opening, and a uniform fan-shaped water curtain with good atomization effect can be sprayed;

[0037] The fish-mouth nozzle 3 is installed between the nozzle base 1 and the nozzle cover 2 and is limited by the two. A cavity is provided inside the nozzle base 1 for the fish-mouth nozzle 3 to pass through. A limiting groove is provided at one end of the nozzle base 1 to limit the fish-mouth nozzle 3. The other end is connected to the nozzle cover 2 by a thread, and the nozzle cover 2 can move axially along the nozzle base 1.

[0038] The fish-mouth nozzle 3 is installed between the nozzle base 1 and the nozzle gland 2. The nozzle base 1 and the nozzle gland 2 limit the fish-mouth nozzle 3. The fish-mouth nozzle 3 is a universal ball structure.

[0039] A threaded hole is provided on the side of the nozzle gland 2, and an anti-dropping fastening wire 4 is adapted to be installed in the hole, with one end contacting the nozzle base 1, so as to fasten the nozzle gland 2 and prevent the nozzle gland 2 from falling off during operation.

[0040] A chamber is provided inside the nozzle base 1, which is connected to the inner cavity of the fish-mouth nozzle 3. The chamber includes a first chamber 5 and a second chamber 6, and the radial cross section of the first chamber 5 is smaller than that of the second chamber 6. The foam enters the nozzle base 1, passes through the first chamber 5 and the second chamber 6 in sequence, and enters the cavity in the fish-mouth nozzle 3, where the flow rate increases, and is ejected from the fish-mouth-shaped opening at an accelerated speed, thereby increasing the injection force.

[0041] The fish-mouth foam nozzles are made of 316 stainless steel to prevent the nozzles from rusting during use. The nozzle base 1 has a thread at the liquid inlet end for detachable installation on the foam dust suppression device, and a nut structure is provided on the outside of the nozzle base 1 to facilitate the removal of the fish-mouth foam nozzle device with a wrench.

[0042] A nut structure is provided on the outside of the nozzle gland 2, which is convenient for rotating the nozzle gland 2 with a wrench, so that the fish-mouth nozzle 3 can move axially relative to the nozzle gland 2, and then adjust the angle of the fish-mouth nozzle 3 by 360°.

[0043] The working principle of this utility model:

[0044] The assembled fish-mouth foam nozzle is installed on the foam dust suppression device through the thread at the liquid inlet end of the nozzle base 1. The foam spraying range is wider and the effect is better than that of the prior art. When the nozzle angle needs to be adjusted, first remove the anti-slip fastening wire 4, and then rotate the nozzle cover 2. The nozzle cover 2 moves outward relative to the nozzle base 1, and the fish-mouth nozzle 3 can rotate in the cavity of the nozzle cover 2. Adjust to a suitable angle and tighten the nozzle cover 2.

[0045] Example 2

[0046] like Figure 4-5 As shown, the fish-mouth-shaped opening side of the fish-mouth-shaped nozzle 3 is provided with a cut surface, the purpose of which is to facilitate processing and to ensure relevant dimensions.

[0047] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. Fish mouth foam nozzle, characterized in that: It comprises a nozzle base (1), a nozzle gland (2) and a fish-mouth nozzle (3); The fish-mouth nozzle (3) is provided with an inner cavity, and a fish-mouth-shaped opening is provided on the spherical end surface of the fish-mouth nozzle (3), wherein the tip of the fish-mouth-shaped opening faces the inner cavity side and expands outward along the inner cavity side, and foam is sprayed out from the fish-mouth-shaped opening; The fish-mouth nozzle (3) is installed between the nozzle base (1) and the nozzle cover (2) and is limited by the two. The nozzle base (1) is provided with a cavity for the fish-mouth nozzle (3) to pass through. One end of the nozzle base (1) is provided with a limiting convex groove to limit the fish-mouth nozzle (3). The other end is movably installed with the nozzle cover (2). The nozzle cover (2) can move axially along the nozzle base (1). A chamber is provided inside the nozzle base (1) and is communicated with the inner cavity of the fish-mouth nozzle (3).

2. The fish-mouth foam nozzle according to claim 1, characterized in that: The nozzle base (1) is provided with a first chamber (5) and a second chamber (6), wherein the radial cross section of the first chamber (5) is smaller than that of the second chamber (6); foam enters the nozzle base (1), passes through the first chamber (5) and the second chamber (6) in sequence, enters the cavity in the fish-mouth nozzle (3), and is ejected out from the fish-mouth-shaped opening at an accelerated speed.

3. The fish-mouth foam nozzle according to claim 1, characterized in that: It also includes a fastener, which is installed on the side of the nozzle cover (2) and has one end that contacts the nozzle base (1) and is used to fasten the nozzle cover (2) to prevent the nozzle cover (2) from falling off during operation.

4. The fish-mouth foam nozzle according to claim 3, characterized in that: The fastener is an anti-slip fastening wire (4), and a threaded hole is provided on the side of the nozzle gland (2), and the anti-slip fastening wire (4) is adapted to be installed in the hole.

5. The fish-mouth foam nozzle according to claim 1, characterized in that: The fish-mouth-shaped opening side of the fish-mouth-shaped nozzle (3) is provided with a cut surface.

6. The fish-mouth foam nozzle according to claim 1, characterized in that: The fish-mouth-shaped opening angle is 55-60 degrees, and is used to spray out a uniform fan-shaped water curtain.

7. The fish-mouth foam nozzle according to claim 1, characterized in that: The fish-mouth nozzle (3) is a universal ball structure and can move relative to the nozzle gland (2) for 360° angle adjustment.

8. The fish-mouth foam nozzle according to claim 1, characterized in that: The liquid inlet end of the nozzle base (1) can be detachably mounted on the dust suppression device.

9. The fish-mouth foam nozzle according to claim 8, characterized in that: The detachable installation is a threaded connection, and a nut structure is provided on the outside of the nozzle base (1) to facilitate disassembly.

10. The fish-mouth foam nozzle according to claim 1, characterized in that: The movable installation is a threaded connection, and a nut structure is provided on the outside of the nozzle cover (2) to facilitate the movement of the nozzle cover (2) relative to the nozzle base (1).

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