Spraying adjustable anti-blocking spray head

Abstract

An anti-blocking spray head capable of adjusting spraying comprises a spray head body, a sliding block is arranged in an inner cavity of the spray head body in a sliding mode, and a water spraying main shaft is arranged in front of the sliding block. A water inlet hole is formed in a shaft body of the water spraying main shaft, and a water spraying opening is formed in the front end face of the water spraying main shaft. An atomizing firing pin is arranged in front of the spray head body; and an energy storage reset assembly is arranged between the back of the sliding block and the rear shell of the spray head body. Large-particle-size blockages can be naturally discharged, particularly, in the spraying process and in the standby state, the limiting position of backward retreating of the water spraying main shaft can be controlled by adjusting the sliding block limiting screw rod, the effect of adjusting the spraying state is achieved in cooperation with the atomization firing pin, and the discharging process is automatically operated along with opening and closing of the spraying head; the system does not need manual active participation, is lower in maintenance frequency, is better in safety, and is higher in safety popularization value.

Description

TECHNICAL FIELD

[0001] The utility model relates to a spray head field especially, it relates to a kind of adjustable anti-blocking spray head of spray. BACKGROUND

[0002] Spray head is the main equipment of dust control, dust reduction and fire prevention and other prevention and control means, its implementation purpose is to be atomized after liquid material such as water flow or resistance agent by spray head and be sprayed to working face or coal accumulation etc. position.However, due to the humid environment in the well, or involving water flow recycling and other special circumstances, impurities can easily appear in water flow, and due to the serious external dust, the spray head can easily appear the blockage situation from inside to outside or from outside to inside in the process of use or standby, leading to the influence normal sprinkling effect, affect production safety.

[0003] For the above problems, such as the self-cleaning spray head with filtering function disclosed in Chinese patent CN203380026U can solve the above problems to some extent.But the use disadvantages of the device are also obvious, the biggest disadvantage of which is that the atomization effect is poor and the dredging effect is poor, that is, the water spray hole part of the spray head is in the form of small hole, although the change of pressure difference can realize its needle to dredge, but due to the setting form of water spray hole, the atomization effect of water flow is poor, and the sprinkling area is small;Especially large impurities cannot be discharged through the water spray hole position, that is, once the impurity particles are large, the water spray hole position will still be blocked. CONTENT OF UTILITY MODEL

[0004] The utility model is to overcome the prior art deficiencies, provide a kind of spray adjustable anti-blocking spray head with simpler structure, especially better anti-blocking effect.

[0005] The device includes a spray head body, a through hole is provided at the front of the spray head body, a water inlet is further provided on the spray head body, and the water inlet is arranged vertically to the spray head body;The through hole is used for the sliding of the water spraying member inside, and two implementation states are formed, including the sprinkling implementation state and the chip removal implementation state;The water inlet is used to connect the external water source;

[0006] A sliding connector is slidably arranged in the inner cavity of the spray head body;The sliding connector includes a sliding block and a water spraying spindle, a seal is arranged between the sliding block and the inner cavity of the spray head body, and a water spraying spindle is arranged in front of the sliding block;

[0007] Water inlet is arranged on the shaft of the water spraying spindle, sewage outlet is arranged at the front of the water spraying spindle, and water outlet is arranged on the front end face of the water spraying spindle;

[0008] Atomizing needle is arranged in front of the spray head body, and one end of the atomizing needle is inserted into the water outlet;

[0009] An energy storage reset component is arranged between the rear of the sliding block and the rear shell of the nozzle body.

[0010] A sliding block limiting screw is arranged on the rear shell of the nozzle body.

[0011] Thus, in the standby state, the nozzle body is not under pressure, the water inlet hole at the front end of the water spraying spindle part of the sliding connection body naturally extends out of the through hole at the front part of the nozzle body under the pressure of the energy storage reset component, and impurities are prevented from being blocked.

[0012] During spraying, water flows into the inner cavity of the nozzle body through the water inlet, the pressure in the inner cavity of the nozzle body gradually increases, the sliding block is gradually moved backward under the influence of water pressure and compresses the energy storage reset component, the water spraying spindle is retracted and gradually separated from the atomizing impact pin, the high-pressure water flow sprayed from the water spraying port collides with the atomizing impact pin to form atomizing spraying.

[0013] During the drainage, the water pressure at the water inlet decreases, the water pressure in the inner part of the nozzle body decreases, the sliding block moves forward, the sewage outlet at the front end of the water spraying spindle part naturally extends out of the through hole at the front part of the nozzle body under the pressure of the energy storage reset component, a large-channel water gap is formed, and impurities are discharged.

[0014] During the above process, that is, during the atomizing spraying process or in the standby state, the sliding block limiting screw can be adjusted, that is, the limit position of the backward displacement of the sliding block is controlled by adjusting the rotation length of the sliding block limiting screw, the limit position of the backward retraction of the water spraying spindle is adjusted, and the spraying state is adjusted in cooperation with the atomizing impact pin.

[0015] The present utility model has the advantages that the present utility model solves the problems of the existing sewage nozzle, has better atomizing effect and better anti-blocking effect, can naturally discharge large-diameter blocking objects, can adjust the limit position of the backward retraction of the water spraying spindle by adjusting the sliding block limiting screw during the spraying process and in the standby state, and can adjust the spraying state in cooperation with the atomizing impact pin, the discharge process is automatically operated with the opening and closing of the nozzle, manual participation is not needed, the maintenance frequency is lower, the safety is better, and the utility model has better safety and promotion value. DRAWINGS

[0016] Figure 1 is a spraying implementation state structure schematic diagram of the anti-blocking nozzle with adjustable spraying according to the present utility model;

[0017] Figure 2 is a dredging implementation state structure schematic diagram of the anti-blocking nozzle with adjustable spraying according to the present utility model;

[0018] Figure 3It is the appearance structure schematic diagram of the spray adjustable anti-blocking spray head of the utility model;

[0019] Reference signs:

[0020] 1 - spray head body 2 - water inlet 3 - atomizing needle 4 - water outlet 5 - annular filter screen 6 - water inlet hole 7 - water outlet spindle 8 - sliding block 9 - sliding block limiting screw 10 - energy storage reset component 11 - air pressure balance hole 12 - sewage outlet

[0021] The utility model discloses the realization, functional characteristics and advantages will be further explained with reference to the embodiment, and referring to the drawings. Specific implementation

[0022] Reference Figure 1 、 Figure 2 With Figure 3 The utility model discloses a spray adjustable anti-blocking spray head, including spray head body 1, the spray head body 1 front part is provided with through -hole, still be provided with water inlet 2 on spray head body 1, water inlet 2 setting direction is perpendicular to spray head body 1, through -hole is used for the water -spraying component inside it sliding through, and forms two kinds of implementation state, including spray implementation state and the chip removal implementation state, water inlet 2 is used for connecting external water source,

[0023] Sliding connection body is slidably arranged in the spray head body inner chamber, and the sliding connection body includes sliding block 8 and water outlet spindle 7, sealing is arranged between sliding block 8 and the spray head body inner chamber, and water outlet spindle 7 is arranged on the front of sliding block 8.

[0024] Water inlet hole 6 is arranged on the shaft of water outlet spindle 7, sewage outlet 12 is arranged on the front of water outlet spindle 7, and water outlet 4 is arranged on the front end face thereof.

[0025] Atomizing needle 3 is arranged on the front of spray head body 1, and one end of atomizing needle 3 is inserted into water outlet 4.

[0026] Energy storage reset component 10 is arranged between the rear of sliding block 8 and the rear shell of spray head body 1.

[0027] Sliding block limiting screw 9 is also screwed on the rear shell of spray head body 1.

[0028] Further, the energy storage reset component 10 is one or more of a spring, an air bag, an elastic diaphragm and a non-metallic elastic body.

[0029] In embodiment 1, the atomizing needle 3 is a U-shaped needle, one end of the atomizing needle 3 is inserted into the front of the spray head body 1, and the other end is inserted into the water outlet 4.

[0030] Preferably, the atomizing striker 3 is transitionally fitted between the slot in front of the nozzle body 1.

[0031] The effect achieved thereby is that the position of the atomizing striker 3 contacting the water flow is adjusted, and the atomizing effect is adjusted thereby.

[0032] In the embodiment 2, the water inlet hole 6 is arranged on the shaft of the water spraying spindle 7.

[0033] The effect achieved thereby is that the smooth conversion between the spraying implementation state and the chip removal implementation state is guaranteed.

[0034] In the embodiment 3, the annular filter screen 5 is arranged in the inner cavity of the nozzle body 1, and the annular filter screen 5 is fixedly arranged in the nozzle body 1. The covering position of the annular filter screen 5 includes the position of the water inlet hole 6 on the water spraying spindle 7 in the spraying implementation state.

[0035] The effect achieved thereby is that the water flow entering the water spraying spindle 7 is preliminarily filtered, and the situation that large particles block the water spraying hole 4 is avoided.

[0036] In the embodiment 4, referring to the accompanying drawings Figure 3 , the air pressure balance hole 11 is further arranged on the nozzle body 1, and the air pressure balance hole 11 is arranged through the cavity between the sliding block 8 and the rear shell.

[0037] The effect achieved thereby is that the sliding block 8 is displaced with the switching of the two implementation states, and the arrangement of the air pressure balance hole 11 can guarantee that the air pressure in the cavity between the sliding block 8 and the rear shell is communicated with the external air pressure, and the smooth sliding of the sliding block 8 is guaranteed thereby.

[0038] The use principle of the utility model is as follows:

[0039] The effect achieved thereby is that in the standby state, the nozzle body 1 is not under pressure, the water spraying spindle 7 part in the sliding connection body naturally extends, and the water inlet hole 6 at the front end of the water spraying spindle 7 naturally extends through the through hole in the front part of the nozzle body 1 under the pressure of the energy storage reset component 10; and dust blocking is avoided thereby.

[0040] When the spraying is implemented, the water flow enters the inner cavity of the nozzle body 1 through the water inlet 2, the pressure in the inner cavity of the nozzle body 1 gradually increases, the sliding block 8 is gradually moved backward and the energy storage reset component 10 is compressed under the influence of the water pressure, the water spraying spindle 7 is retracted and gradually separated from the atomizing striker 3, the high-pressure water flow sprayed from the water spraying hole 4 collides with the atomizing striker 3, and atomizing spraying is formed.

[0041] When the chip removal is implemented, the water pressure of the water inlet 2 is reduced, the water pressure inside the nozzle body 1 is reduced, the sliding block 8 is moved forward, the water injection spindle 7 is partially extended, the sewage outlet 12 at the front end of the water injection spindle 7 is extended out of the through hole at the front part of the nozzle body 1 under the pressure of the energy storage reset assembly 10, a large channel water gap is formed, and impurities are discharged through the water gap.

[0042] In the above process, that is, in the atomizing spraying process or standby state, the limit position of the sliding block 8 to the rear can be controlled by adjusting the sliding block limiting screw 9, that is, the limit position of the sliding block 8 to the rear is controlled by adjusting the limit position of the water injection spindle 7 to the rear, and the spraying state is adjusted by cooperating with the atomizing striker 3.

[0043] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, for those skilled in the art, obviously, the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting and the claims.

[0044] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A spray-adjustable anti-clogging nozzle, comprising a nozzle body, wherein a through hole is provided at the front of the nozzle body, and a water inlet is also provided on the nozzle body, wherein the water inlet is oriented perpendicular to the nozzle body, characterized in that: In the inner cavity of the spray head body, a sliding connecting body is arranged; the sliding connecting body comprises a sliding block and a water spraying spindle; a seal is arranged between the sliding block and the inner cavity of the spray head body; and the water spraying spindle is arranged in front of the sliding block; The water spraying spindle is provided with a water inlet hole on the shaft; the front part of the water spraying spindle is provided with a sewage outlet; and the water spraying spindle is provided with a water outlet at the front end; An atomizing striker provided with a through hole is arranged in front of the spray head body; one end of the atomizing striker is inserted into the water outlet; An energy storage reset component is arranged between the rear surface of the sliding block and the rear shell of the spray head body; A sliding block limiting screw is screwed on the rear shell of the spray head body.

2. A spray adjustable anti-clogging spray head according to claim 1, wherein The energy storage reset component is one or more of a spring, an air bag, an elastic diaphragm and a non-metallic elastic body.

3. A sprayable anti-clogging spray head according to claim 1, wherein The atomizing striker is a U-shaped striker; one end of the atomizing striker is inserted into the water outlet; and the other end of the atomizing striker is inserted into the water outlet.

4. A sprayable anti-clogging spray head according to claim 1, wherein The water spraying spindle is provided with at least one water inlet hole on the shaft.

5. A sprayable anti-clogging spray head according to claim 1, wherein A filter screen is arranged in the inner cavity of the spray head body; the filter screen is fixedly arranged in the spray head body; and the filter screen covers the position of the water inlet hole of the water spraying spindle in the spraying state.

6. A sprayable anti-clogging spray head according to claim 1, wherein The spray head body is further provided with an air pressure balance hole; the air pressure balance hole penetrates the cavity between the sliding block and the rear shell.

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