CN218324887U

CN218324887U - Orifice closing device

Info

Publication number: CN218324887U
Application number: CN202222345233.8U
Authority: CN
Inventors: 韦利军; 杨建�; 卞宏菊; 江涛; 高锦钊; 郝玉芬; 温婷婷; 赵浩田; 祁宸羽
Original assignee: Yellow River Construction Engineering Group Co ltd
Current assignee: Yellow River Construction Engineering Group Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2023-01-17
Anticipated expiration: 2032-09-05

Abstract

The utility model relates to a difficult orifice closing means who leaks thick liquid especially is an orifice closing means, including slip casting pipe and fixed sleeve, the fixed sleeve has been cup jointed to the surface of slip casting pipe, fixed sleeve's lower surface is provided with fixed subassembly, fixed sleeve's upper surface and piston cylinder's lower surface rigid coupling, piston cylinder's inside is provided with the shutoff subassembly, drives the piston downstream through rotating the screw rod, and the piston downstream promotes telescopic cylinder compression spring and drives the connecting rod downstream, and the connecting rod downstream promotes the rubber buffer downstream, and then seals the slip casting pipe through the rubber buffer, and the piston seals to piston cylinder, and the rubber buffer seals the slip casting pipe, and then forms dual-seal, avoids the seepage of concrete thick liquid, has solved the sealed effect of current device poor, the unstable problem of shutoff and easy hourglass thick liquid.

Description

Orifice closing device

Technical Field

The utility model relates to an orifice closing device, concretely relates to be difficult for leaking orifice closing device of thick liquid.

Background

The water delivery tunnel is grouted by adopting a grouting machine to be connected with the component grouting hole socket joint through a grouting pipe and then is grouted, and when grouting material mixture flows out in a columnar shape from other grouting hole slurry of the component, the grouting material mixture is blocked by a rubber plug in time. And all the grout outlet holes discharge grout, the grouting pipe is pulled out after the plugging is finished, and the grouting holes are immediately plugged by adopting rubber plugs.

Adopt the rubber buffer to carry out the shutoff to the slip casting pipe, sealed effect is poor, the shutoff is unstable, and simple rubber buffer does not tolerate the high pressure, easily leaks thick liquid, can cause the seepage of partial concrete thick liquid.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides an orifice closing means.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an orifice closing device, includes slip casting pipe and fixed sleeve, fixed sleeve has been cup jointed to the surface of slip casting pipe, fixed sleeve's lower surface is provided with fixed subassembly, fixed sleeve's upper surface and the lower surface rigid coupling of piston barrel, the inside of piston barrel is provided with the shutoff subassembly.

Preferably, fixed subassembly includes and rotates mounting an and mounting b of being connected with fixed sleeve lower surface left and right sides center department, the one side that mounting an and mounting b are relative can be dismantled through the bolt respectively and be connected, the one side rigid coupling respectively that mounting an and mounting b kept away from mutually has two nut a, fixed sleeve's the left and right sides face rigid coupling respectively has two nut b, nut a and nut b's inner wall bolted connection has fixing bolt.

Preferably, two rubber pads are respectively installed on the opposite surfaces of the fixing piece a and the fixing piece b, and the two rubber pads are respectively attached to the outer surface of the grouting pipe.

Preferably, the upper surface of the inner wall of the fixed sleeve is provided with a sealing gasket, and the lower surface of the sealing gasket is attached to the upper surface of the grouting pipe.

Preferably, the shutoff subassembly includes the piston with piston barrel inner wall sliding connection, the upper surface of piston rotates with the bottom of screw rod to be connected, the screw hole that the top of screw rod passed piston barrel inner wall upper surface joint extends to the piston barrel outside, the lower surface of piston and the upper surface rigid coupling of a flexible section of thick bamboo, the upper surface of a flexible section of thick bamboo inner wall and the upper surface rigid coupling of spring, the lower surface of spring and the upper surface rigid coupling of connecting rod, the surface of connecting rod and the inner wall sliding connection of a flexible section of thick bamboo, the lower surface of connecting rod can be dismantled with the upper surface of rubber buffer and be connected, the surface of rubber buffer and the inner wall sliding connection of slip casting pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, drive the piston downstream through rotating the screw rod, the piston downstream promotes telescopic cylinder compression spring and drives the connecting rod downstream, the connecting rod downstream promotes the rubber buffer downstream, and then seals the slip casting pipe through the rubber buffer, the piston seals to a piston section of thick bamboo, the rubber buffer seals the slip casting pipe, and then forms dual seal, avoid the seepage of concrete slurry, the sealed effect of having solved current device is poor, the problem of shutoff unstability and easy hourglass thick liquid.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic sectional view of the front view of the present invention;

FIG. 3 is a schematic view of the structure of the present invention;

fig. 4 is a schematic perspective view of the plugging assembly of the present invention;

in the figure: 1. a grouting pipe; 2. fixing the sleeve;

fixing the assembly: 31. a fixed part a; 32. a fixing member b; 33. a nut a; 34. a nut b; 35. fixing the bolt;

4. a piston cylinder; 5. a gasket;

plugging the assembly: 61. a screw; 62. a piston; 63. a telescopic cylinder; 64. a spring; 65. a connecting rod; 66. a rubber plug;

7. and (7) a rubber pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides an orifice closing device, includes slip casting pipe 1 and fixed sleeve 2, fixed sleeve 2 has been cup jointed to the surface of slip casting pipe 1, the lower surface of fixed sleeve 2 is provided with fixed subassembly, the upper surface of fixed sleeve 2 and the lower surface rigid coupling of piston cylinder 4, the inside of piston cylinder 4 is provided with the shutoff subassembly.

Specifically, the fixing assembly comprises a fixing piece a31 and a fixing piece b32 which are rotatably connected with the centers of the left side and the right side of the lower surface of the fixing sleeve 2, one opposite surfaces of the fixing piece a31 and the fixing piece b32 are detachably connected through bolts respectively, two nuts a33 are fixedly connected with one surfaces, far away from the fixing piece a31 and the fixing piece b32, of the fixing sleeve 2, two nuts b34 are fixedly connected with the left side and the right side of the fixing sleeve respectively, and fixing bolts 35 are connected with the inner walls of the nuts a33 and the nuts b34 through bolts;

the fixing sleeve 2 is sleeved at the pipe orifice of the grouting pipe 1, the fixing piece a31 and the fixing piece b32 are fixed through the bolt, the fixing piece a31 and the fixing piece b32 are further fixed with the grouting pipe 1, the fixing bolt 35 is in threaded connection with the nut a33 and the nut b34, and the fixing piece a31 and the fixing piece b32 are further fixedly connected with the fixing sleeve 2.

Specifically, two rubber pads 7 are respectively mounted on the opposite surfaces of the fixed part a31 and the fixed part b32, and the two rubber pads 7 are respectively attached to the outer surface of the grouting pipe 1;

the rubber pad 7 can increase the frictional force between the fixing pieces a31 and b32 and the grout pipe 1.

Specifically, the plugging assembly comprises a piston 62 slidably connected with the inner wall of the piston cylinder 4, the upper surface of the piston 62 is rotatably connected with the bottom end of a screw 61, the top end of the screw 61 extends to the outside of the piston cylinder 4 through a threaded hole clamped on the upper surface of the inner wall of the piston cylinder 4, the lower surface of the piston 62 is fixedly connected with the upper surface of a telescopic cylinder 63, the upper surface of the inner wall of the telescopic cylinder 63 is fixedly connected with the upper surface of a spring 64, the lower surface of the spring 64 is fixedly connected with the upper surface of a connecting rod 65, the outer surface of the connecting rod 65 is slidably connected with the inner wall of the telescopic cylinder 63, the lower surface of the connecting rod 65 is detachably connected with the upper surface of a rubber plug 66, and the outer surface of the rubber plug 66 is slidably connected with the inner wall of the grouting pipe 1;

the screw 61 is rotated to drive the piston 62 to move downwards, the piston 62 moves downwards to push the telescopic cylinder 63 to compress the spring 64 to drive the connecting rod 65 to move downwards, the connecting rod 65 moves downwards to push the rubber plug 66 to move downwards, the grouting pipe 1 is sealed through the rubber plug 66, the piston 62 seals the piston cylinder 4, the rubber plug 66 seals the grouting pipe 1, double sealing is formed, and leakage of concrete grout is avoided.

The utility model discloses a theory of operation and use flow:

the utility model, when in use;

the fixing sleeve 2 is sleeved at the pipe orifice of the grouting pipe 1, the fixing piece a31 and the fixing piece b32 are fixed through a bolt, the fixing piece a31 and the fixing piece b32 are further fixed with the grouting pipe 1, the fixing bolt 35 is in threaded connection with the nut a33 and the nut b34, the fixing piece a31 and the fixing piece b32 are further fixedly connected with the fixing sleeve 2, the screw 61 is rotated to drive the piston 62 to move downwards, the piston 62 moves downwards to push the telescopic cylinder 63 to compress the spring 64 to drive the connecting rod 65 to move downwards, the connecting rod 65 moves downwards to push the rubber plug 66 to move downwards, the grouting pipe 1 is further sealed through the rubber plug 66, the piston 62 seals the piston cylinder 4, and the rubber plug 66 seals the grouting pipe 1 to form double sealing, so that the leakage of concrete slurry is avoided.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An orifice closing device, includes slip casting pipe (1) and fixed sleeve (2), its characterized in that: the outer surface of the grouting pipe (1) is sleeved with a fixing sleeve (2), the lower surface of the fixing sleeve (2) is provided with a fixing component, the upper surface of the fixing sleeve (2) is fixedly connected with the lower surface of a piston cylinder (4), and a plugging component is arranged inside the piston cylinder (4).

2. An aperture closure device as claimed in claim 1, wherein: fixed subassembly includes and rotates mounting a (31) and mounting b (32) of being connected with fixed sleeve (2) lower surface left and right sides center department, the one side that mounting a (31) and mounting b (32) are relative can dismantle the connection through the bolt respectively, the one side that mounting a (31) and mounting b (32) kept away from mutually is the rigid coupling respectively has two nut a (33), the left and right sides face difference rigid coupling of fixed sleeve (2) has two nut b (34), the inner wall bolted connection of nut a (33) and nut b (34) has fixing bolt (35).

3. An aperture closure device as claimed in claim 2, wherein: two rubber pads (7) are installed respectively to the relative one side of mounting a (31) and mounting b (32), and two rubber pad (7) are laminated with the surface of slip casting pipe (1) respectively.

4. An aperture closure device as claimed in claim 1, wherein: the upper surface mounting of fixed sleeve (2) inner wall has sealed pad (5), the lower surface of sealed pad (5) and the upper surface laminating of slip casting pipe (1).

5. An aperture closure device as claimed in claim 1, wherein: the shutoff subassembly includes piston (62) with piston cylinder (4) inner wall sliding connection, the upper surface of piston (62) rotates with the bottom of screw rod (61) to be connected, the screw hole that the top of screw rod (61) passed piston cylinder (4) inner wall upper surface joint extends to piston cylinder (4) outside, the lower surface of piston (62) and the upper surface rigid coupling of a telescopic cylinder (63), the upper surface of a telescopic cylinder (63) inner wall and the upper surface rigid coupling of spring (64), the lower surface of spring (64) and the upper surface rigid coupling of connecting rod (65), the surface of connecting rod (65) and the inner wall sliding connection of a telescopic cylinder (63), the lower surface of connecting rod (65) and the upper surface of rubber buffer (66) can dismantle and be connected, the surface of rubber buffer (66) and the inner wall sliding connection of slip casting pipe (1).