JP2572001B2 - Spray nozzle body in spray machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention mainly uses a spraying machine to spray a cement, sand, water, or gravel or the like into which a mixture is to be stirred and kneaded. The present invention relates to a spray nozzle body in a spray machine used in such a case.

[0002]

2. Description of the Related Art Conventionally, a spray nozzle of this kind is mounted on a distal end of a long hose suitably connected to a spray machine, and is capable of spraying an object to be sprayed from the spray machine via a hose. They are sprayed on the spray surface.

[0003]

However, in the conventional spray nozzle, a hose interposed between the spray machine and the spray nozzle is set to be quite long, and depending on the spraying place, Since spraying is often performed with the spray nozzle located much higher than the spray machine, the spray machine uses
The object to be sprayed must be delivered to the spray nozzle at a considerable pressure. Then, the object to be sprayed from the spray nozzle is discharged from the tip of the spray nozzle with considerable force, so that the object to be stirred and kneaded in a uniform state has relatively small particles from the peripheral portion of the tip of the spray nozzle. Coarse aggregates etc. came to be blown out in an uneven state, and the part where these relatively coarse aggregates etc. were sprayed had few mortar parts and was brittle, so there was a problem that sufficient strength could not be exhibited. . In particular, when spraying the part partitioned at a predetermined interval by the partition wall as appropriate, due to the rebound at the partition wall, the relatively coarse aggregate or the like is biased near the partition wall, and the strength of this part becomes extremely weak. There were difficulties.

[0004]

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned difficulties and the like. Specifically, the present invention is directed to cement, sand, water, or a mixture of these materials such as gravel. The spraying nozzle body A is used when the sprayed object and the like which is thrown in and stirred and kneaded is sprayed by the spraying machine S, and is attached to a distal end portion of a long hose B connected to the spraying machine S. is there. Then, a hose mounting portion 2 capable of fixing the hose B is provided at the base end portion of the nozzle body base 1. Then, the nozzle body 1 is formed thicker than the hose B. Further, a pressure release hole 5 is formed in a portion near the base end of the nozzle body base 1,
Means for adjusting the closed state of the pressure release hole 5 of the nozzle body 1 is adopted.

[0005]

The hose B is fixed to the hose mounting portion 2 at the base end of the nozzle body base 1, and the object to be sprayed from the spraying machine S to the spraying nozzle body A via the hose B is: When the nozzle body 1 is fed into the nozzle body 1 that is thicker than the hose B, the feed speed is reduced. After the tip of the nozzle body 1 is fed in a state where the feed speed is reduced, the nozzle body is moved to a desired position. Be able to spray. In addition, the sprayed object sent from the spraying machine S into the nozzle body 1 via the hose B passes through the pressure release hole 5 formed in a portion near the base end of the nozzle body 1,
A part of the feed pressure is released, and the feed pressure in the nozzle base 1 decreases. Further, by adjusting the closed state of the opening of the pressure release hole 5, the supply pressure of the sprayed object in the nozzle body 1 is freely adjusted. In this way, the object to be sprayed is reduced in the feeding speed and the feeding pressure in the spraying nozzle body A, and from this state, from the tip of the spraying nozzle body A or the tip of the spraying nozzle body A in this state. The liquid is discharged from the tip of the nozzle as appropriate.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on illustrated examples.
In the figure, S is a cement, sand, water, or an object to be sprayed into which a gravel or the like is put and stirred and kneaded, and is supplied to the spray nozzle body A via a relatively long rubber hose B. Then, a spraying machine which is designed to be able to spray to a desired position from the tip of the spray nozzle body A or the appropriate tip nozzle 15 attached to the tip of the spray nozzle body A is shown. In addition, this spraying machine S
The configuration, shape,
Dimensions are available.

The spray nozzle body A of the present invention comprises a nozzle body 1 formed in a substantially cylindrical shape as a whole, a hose mounting portion 2 screwed to a base end portion of the nozzle body 1,
A tip portion 4 screwed to the tip portion of the nozzle body 1 is provided. The tip portion of the hose B is fixed to the hose mounting portion 2 via a fixing screw 3 so that the hose B and the nozzle body 1 Are connected so as to communicate with each other.

The nozzle body 1 is formed to be considerably thicker than the hose B, and an appropriate number of pressure relief holes 5 are formed in the portion near the base end. That is, the supply pressure of the sprayed object sent from the spraying machine S to the spraying nozzle body A via the hose B is
When the hose B is fed from the hose B to the nozzle body 1, it is surely lowered.

In addition, a depressurization adjusting ring 6 having a depressurization hole 7 that can be matched with the depressurization hole 5 is rotatably fitted on the outer surface of the base end of the nozzle body 1. And
Further, a ring fixing tool 8 having a pressure release hole 9 that can be matched with the pressure release holes 5 and 7 is attached to the outer surface of the pressure release adjustment ring 6 via a fixing screw 10. 1 is attached so that it can be fixed at an arbitrary position. That is, the depressurization adjusting ring 6 and the ring fixing tool 8 can freely increase the opening area of the depressurization hole 5 of the nozzle body 1 by overlapping the respective depressurization holes 7 and 9 with the depressurization hole 5 of the nozzle body 1. It is provided so that it can be adjusted or closed, and the supply pressure of the object to be sprayed from the spraying machine S to the spraying nozzle body A via the hose B is changed from the hose B to the nozzle. Arbitrarily weakened when delivered to body substrate 1,
The blowing pressure of the object to be sprayed from the tip of the spray nozzle body A or the tip nozzle 15 attached to the tip of the spray nozzle body A is freely adjusted, and the object to be sprayed is moved to a desired position while being uniformly stirred and kneaded. It is designed to be sprayed.

The hose mounting portion 2 has a large-diameter cylindrical portion screwed to the base end portion of the nozzle body 1 in an externally fitting manner, and a small-diameter cylindrical portion fixed to the distal end portion of the hose B in an externally fitting manner. A plurality of fixing screws 3 are screwed to the small-diameter cylindrical portion, and the hose B is securely fixed to the small-diameter cylindrical portion by the fixing screws 3.

The distal end portion 4 is formed such that its proximal end portion is externally screwed onto the distal end portion of the nozzle body 1 and its diameter gradually decreases from the proximal end portion to the distal end portion. I have. In addition, the tip portion is formed so that the tip nozzle 15 having an appropriate configuration according to the object to be sprayed and the purpose of spraying can be detachably mounted (for example, mounted by a screwing means).

In the drawing, reference numeral 12 denotes an auxiliary material supply hole provided at an appropriate number at the front end of the nozzle body base 1. The auxiliary agent supply hole 12 is, for example, a quick connection for increasing the drying speed of concrete. An auxiliary agent such as an agent can be appropriately fed into the nozzle body 1 through the valve 13.

Incidentally, a specific configuration of the spray nozzle body A,
Shape, size, material, specific configuration of nozzle body 1, shape, size, material, specific configuration, shape of hose mounting portion 2,
Dimensions, material, specific mounting means of hose B, specific mounting means to nozzle body base 1, specific configuration and shape of tip 4
Dimensions, material, specific mounting means to nozzle body base 1, specific shape, size, arrangement position, number of depressurization holes 5, specific configuration, shape, dimensions, material, nozzle body of depressurization adjusting ring 6 Specific mounting means to the base 1, specific shapes and dimensions of the pressure release holes 7,
Arrangement position, number, specific configuration, shape, size, material of ring fixing member 8, specific mounting means to nozzle body 1, specific shape, size, arrangement position, number of hose 9 Specific configuration, shape, dimensions, material, specific configuration, shape, arrangement position, number of auxiliary agent supply holes 12, specific configuration and shape of tip nozzle 15, mounting means to spray nozzle body A, The material etc.
The present invention is not limited to the illustrated example, and can be freely set as appropriate.

[0014]

Therefore, the spray nozzle body A of the present invention sprays, with a spraying machine S, cement, sand, water, or an object to be sprayed, into which gravel or the like is put and stirred and kneaded. Spray nozzle body A used in the case and attached to the tip of a long hose B connected to the spray machine S
In the above, a hose mounting portion 2 capable of fixing a hose B is provided at a base end portion of the nozzle body base 1, so that the nozzle body base 1 is formed thicker than the hose B, and a pressure release hole is formed in a portion near the base end of the nozzle body base 1. 5, and a pressure release hole 5 of the nozzle body 1.
Can be adjusted so that the feeding speed of the object to be blown fed into the spraying nozzle body A can be reliably reduced, and the nozzle body is kept in a state where the feeding speed is reduced. The tip of the base 1 can feed the object to be sprayed, and at the same time, a part of the supply pressure of the object to be sprayed is removed by the pressure release hole 5 to ensure the supply pressure in the spray nozzle body A. Will be lowered. That is, after the supply pressure and the supply speed of the object to be sprayed, which are sent from the spraying machine S through the hose B at a considerable pressure and speed, are surely reduced in the spraying nozzle body A before the spraying. It is possible to attach, and the sprayed object that is stirred and kneaded in a uniform state,
You can spray as it is. Then
The object to be sprayed can be efficiently sprayed to a desired position without waste, and the strength of the object to be sprayed becomes uniform,
Further, the configuration of the spray nozzle body A itself is simple, and it can be provided at a low cost with high durability.

In particular, since the closed state of the opening of the pressure release hole 5 of the nozzle body 1 can be adjusted, the supply of the object to be blown from the spraying machine S to the spraying nozzle body A via the hose B is supplied. The pressure is arbitrarily reduced when the pressure is sent from the hose B into the nozzle body base 1, and from the tip of the spray nozzle body A,
Alternatively, it is possible to freely adjust the blowing pressure of the object to be sprayed from the nozzle attached to the tip of the spray nozzle body A, and to spray the object to a desired position in an optimum state according to the object to be sprayed. Become like In addition, the operation can be easily performed by anyone.

[Brief description of the drawings]

FIG. 1 is a partially omitted sectional view of a spray nozzle body.

FIG. 2 is a longitudinal sectional view of a spray nozzle body.

FIG. 3 is a schematic view showing an example of use of a spray nozzle body.

FIG. 4 is a partially omitted cross-sectional view of a spray nozzle body according to another embodiment.

[Explanation of symbols]

S Spraying machine A Spray nozzle body 1 Nozzle body base 2 Hose mounting part 3 Fixing screw 4 Tip 5 Depressurization hole 6 Depressurization adjusting ring 7 Depressurization hole 8 Ring fixing tool 9 Depressurization hole 10 Fixing screw 12 Auxiliary agent feeding hole 13 Valve 15 Tip nozzle B Hose

Claims (1)

(57) [Claims] Cement, sand, water, or gravel or the like into which cement, sand, water, or the like is injected and agitated and kneaded, is used when spraying by a spraying machine, and is connected to the spraying machine. In the spray nozzle body attached to the distal end portion of the long hose, a hose mounting portion capable of fixing the hose is provided at the base end portion of the nozzle body base, and the nozzle body base is formed thicker than the hose, and the nozzle A spray nozzle body in a spraying machine, characterized in that a pressure release hole is formed in a portion near the base end of the body base so that the state of the opening of the pressure release hole of the nozzle body base can be adjusted.