KR20080001229U - Valve for mortar-filling device of pipe type - Google Patents

Abstract

The present invention relates to an injection valve type mortar filling device opening / closing valve installed in the injection pipe type mortar filling device used for reinforcing the slope of soft ground, tunnel excavation, and incision to prevent the injection material from flowing back into the steel pipe.

In the open / close valve for the injection pipe mortar filling device according to the present invention, a chemical liquid ejection guide hole 11 is formed in a valve body 10 in the form of a light beam and an inner groove 12 at a lower end of the chemical liquid ejection guide hole 11. ) Is formed, and the first and second fixing grooves 13 and 14 are formed in the longitudinal direction on the outer circumferential surface of the valve body 10, and one end of the first and second fixing grooves 13 and 14 is a communication hole. In communication with the inner groove 12 through the 15, the inverted cone-shaped portion 31 of the rubber stopper 30 is disposed to correspond to the chemical liquid ejection guide hole 11 of the valve body 10, the inverted The cone-shaped portion 31 is connected by the connecting portion 33 by the annular flange portion 32, the flange portion 32 of the rubber stopper 30 to the inner groove 12 of the valve body 10 The fixed liquid ejection space 34 is formed between the inverted cone-shaped portion 31 and the flange portion 32, and fixed leg portions 35 and 36 extending from the side surface of the flange portion 32. Val Is characterized in that through the communicating hole 15 of the body 10 is joined to the first and second fixing grooves 13 and 14 of the valve body 10.

Description

Valve for mortar-filling device of pipe type

1 is a perspective view showing an opening and closing valve for the injection pipe mortar filling device according to the present invention

Figure 2 is an exploded perspective view showing the opening and closing valve for the injection pipe mortar filling device according to the present invention

Figure 3 is a partially cut perspective view showing a part of the opening and closing valve for injection pipe mortar filling apparatus according to the present invention

Figure 4 is a schematic diagram and part enlarged detail showing the operation of the opening and closing valve for injection pipe mortar filling apparatus according to the present invention

Figure 5 is a perspective view showing another example of the opening and closing valve for injection pipe mortar filling device according to the present invention

Figure 6 is a partially cut away perspective view showing a part of the opening and closing valve for the injection pipe mortar filling device of Figure 5

7 is a cross-sectional view taken along the line c-c of Figure 5, illustrating the operation of the opening and closing valve for the injection pipe mortar filling device.

* Description of Signs of Main Parts of Drawings *

10: valve body 11: chemical liquid injection guide hole

12: inner groove 13, 14: first and second fixing groove

15: communication hole 30: rubber stopper

35, 36: fixed leg part

The present invention relates to an injection valve type mortar filling device, which is mounted on an injection pipe mortar filling device used for reinforcing slopes of soft ground, tunnel excavation, and incision, to prevent the injection material from flowing back into a steel pipe pipe. The attachment strength of the rubber stopper to the valve body is reinforced, and relates to an opening / closing valve for an injection pipe type water defilling device that can withstand even a rough ground environment.

Korean Patent No. 0445241 (registered on Aug. 11, 2004) of the applicant has introduced an "opening valve for injection pipe type mortar filling device."

The opening and closing valve for the injection pipe mortar filling device is formed with a tapered inverted cone-shaped portion integrally formed with the flange disk portion from the lower portion to the upper portion, and a rubber stopper having a mortar induction hole formed in the flange disk portion; The injection hole is formed to be inclined to correspond to the inverted cone-shaped portion of the rubber stopper, characterized in that the inner groove is formed of a valve body formed in the lower portion of the injection hole so that the flange disc portion of the rubber stopper.

When the mortar filling device opens and closes the mortar filling device in a coarse ground containing a lot of gravel, the reinforcing structure that the rubber stopper can withstand without being detached from the valve body in a harsh environment is required.

Accordingly, it is an object of the present invention to provide an injection valve type mortar filling device that can withstand a rough ground environment by reinforcing the adhesive strength of the rubber stopper on the valve body.

Preferred embodiments of the present invention for achieving the above object will be described in detail with reference to the drawings.

1 to 3, the injection valve for mortar filling device injection valve according to the present invention is formed in the valve body 10, the chemical liquid injection guide hole (11) in the form of a light-receiving narrow, the chemical liquid injection guide hole ( 11, an inner groove 12 is formed at a lower end thereof, first and second fixing grooves 13 and 14 are formed in a longitudinal direction on an outer circumferential surface of the valve body 10, and the first and second fixing grooves ( One end of the 13, 14 is communicated with the inner groove 12 through the communication hole 15, the inverted cone-shaped portion 31 of the rubber stopper 30 is the chemical liquid injection guide hole 11 of the valve body 10 ), The inverted cone-shaped portion 31 is connected by the annular flange portion 32 by the connecting portion 33, and the flange portion 32 of the rubber stopper 30 is the valve body It is inserted into and fixed to the inner groove 12 of the (10), the chemical liquid ejection space 34 is formed between the inverted cone-shaped portion 31 and the flange portion 32, extending from the side of the flange portion 32 It is bonded to the fixing leg portions 35 and 36, the first and second fixing grooves 13 and 14 of the valve body 10 through the communicating hole 15 of the valve body 10.

When the valve body 10 extrudes the round bar, first and second fixing grooves are formed in the longitudinal direction on the outer circumferential surface of the round bar, the round bar is cut to an appropriate length, and is cut by a machine tool such as a lathe. When the chemical liquid ejection guide hole 11 and the inner groove 12 are formed in the member, a communication hole 15 is automatically formed so that the first and second fixing grooves 13 and 14 communicate with the inner groove 12. .

The forming depth of the first fixing groove 13 and the second fixing groove 14 is deeply formed to the arrangement position of the inner groove 12, and when the inner groove 12 is formed by a shelf or the like, the inner groove ( A communication hole 15 is formed at the position of 12. As a result, a process for drilling a communication hole separately is not required, thereby reducing the processing cost.

When molding the rubber stopper 30 so that the rubber stopper 30 is mounted on the valve body 10, the liquid rubber is injected into the chemical liquid ejection guide hole 11 of the valve body 10. 15, the liquid rubber is injected into the first and second fixing grooves 13 and 14 of the valve body, so that the fixing leg portions 35 and 36 of the rubber stopper 10 are first and second fixing grooves. Attached to (13, 14).

In the opening and closing valve for the injection pipe mortar filling device according to the first embodiment of the present invention, as shown in FIG. 1, the first fixing groove 13 and the second fixing groove 14 are disposed at 180 ° (a). Has

The opening / closing valve 1 for the injection pipe mortar filling device 1 according to the first embodiment of the present invention configured as described above acts as follows when the chemical liquid is injected into the boring hole of the ground.

First, as shown in Figure 4, when injecting the chemical liquid containing cement mortar through the steel pipe pipe 40 in the drilling hole of the ground, the flange portion 32 of the rubber stopper 30 is the valve body 10 Is fixed to the inner groove 12 of the rubber stopper, and the fixing leg portions 35 and 36 of the rubber stopper 10 are fixed to the first and second fixing grooves 13 and 14 of the valve body 10, Since 30 is reinforced to be fixed to the valve body 10, the rubber stopper 30 is fixed to the valve body 10 is strong enough to withstand the harsh environment containing a lot of gravel, the steel pipe of the pipe 40 The internal chemical liquid pushes up the inverted cone shaped portion 31 of the rubber stopper 30 between the inverted cone shaped portion 31 raised by the pressure of the chemical liquid and the chemical liquid ejection guide hole 11 of the valve body 10. The gap 20 is formed so that the chemical liquid in the steel pipe 20 may be at a small pressure through the chemical liquid ejecting space 34 of the rubber stopper 30 and the gap 20. Although it may be ejected to the outside of the steel pipe pipe, when the injection of the chemical liquid is completed, the inverted cone-shaped portion 31 of the rubber stopper by the self-contracting force of the rubber stopper 30 is the chemical liquid injection guide hole 11 of the valve body 10 By being closed at the inside, even if an external pressure by the chemical liquid ejected to the outside is applied to the inverted cone-shaped portion 31 of the rubber stopper 10, the chemical liquid does not flow back into the steel pipe pipe 40.

5 and 6, the opening and closing valve for the injection pipe mortar filling device according to the second embodiment of the present invention is the first fixing groove 13 and the second fixing groove 14 are disposed at an angle of 90 ° ( b) and a reinforcement part 38 is formed on a part of the inner circumferential surface of the annular flange part 32 formed in the rubber stopper 30, and the reinforcement part 38 is between the fixed leg parts 35 and 36. Is placed on.

The reinforcement portion 38 is formed to be inclined lower surface to induce the ejection of the chemical.

The opening and closing valve for the injection tube mortar filling device according to the second embodiment of the present invention configured as described above acts as follows when the chemical liquid is injected into the boring hole of the ground.

When the chemical liquid containing cement mortar is injected into the boring hole of the ground, the flange 32 of the rubber stopper 30 is fixed to the inner groove 12 of the valve body 10 and the rubber stopper 30 is fixed. The leg portions 35 and 36 are fixed to the first and second fixing grooves 13 and 14 of the valve body 10 so that the rubber cap 30 reinforces the fixing of the rubber body 30 to the valve body 10. 30 is strong fixed force to the valve body 10 can withstand the harsh environment containing a lot of gravel, as shown in Figure 7, the chemical liquid inverted cone shape portion 31 of the rubber stopper (30) When the pressure is applied to the inverted cone-shaped portion 31 is rotated around the reinforcing gripping portion 38 between the fixing legs (35, 36) to open, so that the chemical liquid guides the chemical liquid ejection of the valve body 10 When the injection of the chemical liquid is ejected through the hole 11 and the injection of the chemical liquid is completed, the inverted cone shape portion 31 of the rubber stopper 30 is restored to its original state by the elastic force of the rubber stopper 30. Therefore, the chemical liquid is closed in the chemical liquid ejection guide hole 11 of the valve body 10, and even if the external pressure caused by the chemical liquid ejected to the outside is applied to the inverted cone shape portion 31 of the rubber stopper 30, Does not flow back into the interior.

As described above, the opening and closing valve for the injection pipe mortar filling device according to the present invention is reinforced with the adhesive strength of the rubber stopper on the valve body, can withstand the rough ground environment, and when the injection of the chemical liquid is completed, the rubber plug stops the original state by the elastic force The chemical liquid returned to the outside and ejected to the outside does not flow back into the inner portion of the steel pipe.

Claims (6)

A chemical liquid ejection guide hole 11 is formed in the valve body 10 in the form of an upper and lower narrow, an inner groove 12 is formed at a lower end of the chemical liquid ejection guide hole 11, and an outer peripheral surface of the valve body 10 is formed. First and second fixing grooves 13 and 14 are formed in the longitudinal direction, and one end of the first and second fixing grooves 13 and 14 communicates with the inner groove 12 through the communication hole 15. The inverted cone shaped portion 31 of the rubber stopper 30 is disposed to correspond to the chemical liquid ejection guide hole 11 of the valve body 10, and the inverted cone shaped portion 31 is connected by the connecting portion 33. It is connected by the annular flange portion 32, the flange portion 32 of the rubber stopper 30 is fitted into the inner groove 12 of the valve body 10 and fixed, and the inverted cone shape portion 31 A chemical liquid ejection space 34 is formed between the flange portions 32, and fixed leg portions 35 and 36 extending from the side surface of the flange portion 32 are provided through the communication holes 15 of the valve body 10. First of the valve body 10 and Opening and closing valve for injection pipe mortar filling device, characterized in that the second fixing groove (13, 14) is joined. The method of claim 1, When the valve body 10 extrudes the round bar, first and second fixing grooves are formed in the longitudinal direction on the outer circumferential surface of the round bar, the round bar is cut to an appropriate length, and is cut by a machine tool such as a lathe. When the chemical liquid ejection guide hole 11 and the inner groove 12 are formed in the member, a communication hole 15 is automatically formed so that the first and second fixing grooves 13 and 14 communicate with the inner groove 12. Opening and closing valve for injection pipe mortar filling device characterized in that it is. The method of claim 1, When molding the rubber stopper 30 so that the rubber stopper 30 is mounted on the valve body 10, the liquid rubber is injected into the chemical liquid ejection guide hole 11 of the valve body 10. 15, the liquid rubber is injected into the first and second fixing grooves 13 and 14 of the valve body, so that the fixing leg portions 35 and 36 of the rubber stopper 10 are first and second fixing grooves. Opening and closing valve for injection pipe mortar filling device characterized in that attached to (13, 14). The method according to any one of claims 1 to 3, Opening valve for injection pipe mortar filling device, characterized in that the first fixing groove 13 and the second fixing groove 14 has an arrangement angle (a) of 180 °. The method according to any one of claims 1 to 3, The first fixing groove 13 and the second fixing groove 14 have a placement angle b of 90 °, and are formed on a part of the inner circumferential surface of the annular flange portion 32 formed on the rubber stopper 30, Opening valve for injection pipe type mortar filling device characterized in that it further comprises a reinforcement beetle (38) disposed between the legs (35, 36). The method of claim 5, wherein The reinforcement part (38) is an on-off valve, characterized in that the lower surface is inclined so as to induce the ejection of the chemical liquid.

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