CN216112773U

CN216112773U - Emergent plugging device of compound PE pipe vacuum pump

Info

Publication number: CN216112773U
Application number: CN202121489236.8U
Authority: CN
Inventors: 蔡云龙
Original assignee: Zhejiang Huali Pipe Co ltd
Current assignee: Zhejiang Huali Pipe Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-03-22
Anticipated expiration: 2031-07-01

Abstract

The utility model relates to an emergency plugging device for a composite PE pipe vacuum pump, which comprises a vacuum box, a vacuum pump, a plurality of fixed pipes arranged on the outer side wall of the vacuum box, a connecting pipe detachably sleeved on the fixed pipes, and a plugging component for plugging the outlet of the fixed pipes in an emergency manner, wherein the other end of the connecting pipe is communicated with the vacuum pump, the plugging component comprises a first sealing cover, a second sealing cover and a screw rod, the first sealing cover is slidably connected with the outlet of the inner side wall of the fixed pipes, the second sealing cover is slidably connected with the fixed pipes and located on the front side of the first sealing cover, the screw rod penetrates through the central position of the first sealing cover and is in threaded connection with the first sealing cover, the front end of the screw rod is rotatably connected with the second sealing cover, and the outer side wall end edge of the first sealing cover is connected with the outer side wall end edge of the second sealing cover through a sealing rubber piece. Has the advantages that: make sealing rubber spare and fixed pipe inside wall fully contact, accomplish the export to fixed pipe, avoid influencing vacuum chamber atmospheric pressure value because of the air gets into vacuum chamber.

Description

Emergent plugging device of compound PE pipe vacuum pump

Technical Field

The utility model relates to an emergency plugging device for a composite PE pipe vacuum pump.

Background

The municipal pipe market in china, of which water supply pipes and gas pipes are the two largest application markets. The chemical name of PE is polyethylene, and PE materials are widely applied to the field of manufacturing of water supply and drainage due to the characteristics of high strength, high temperature resistance, corrosion resistance, no toxicity, wear resistance and the like. Because it does not rust, it is an ideal pipe material for replacing general iron water supply pipe. Can pass through the vacuum box when compound PE pipe of production, pressurize the PE pipe through the vacuum box, utilize atmospheric pressure and water pressure to make the vacuum box be in a definite value 0.8Mpa, fill into water and just must draw water from the vacuum box in toward the vacuum box, generally can set up a plurality of vacuum pumps and draw water to it when drawing water, in time one of them damage, also can not exert an influence to drawing water, however, one of them vacuum pump is bad to fall the back, can produce the air in the pipeline with the vacuum box intercommunication, the air can get into the vacuum box, influence the atmospheric pressure value of vacuum box. Therefore, an emergency plugging device for a composite PE pipe vacuum pump is needed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide an emergency plugging device for a composite PE pipe vacuum pump, which comprises a vacuum box, a vacuum pump, a plurality of fixed pipes arranged on the outer side wall of the vacuum box, a connecting pipe detachably sleeved on the fixed pipes, and a plugging component for emergency plugging of the outlet of the fixed pipes, wherein the other end of the connecting pipe is communicated with the vacuum pump, the plugging component comprises a first sealing cover connected to the outlet of the inner side wall of the fixed pipes in a sliding manner, a second sealing cover connected to the fixed pipes in a sliding manner and positioned on the front side of the first sealing cover, and a screw rod penetrating through the central position of the first sealing cover and screwed with the first sealing cover, the front end of the screw rod is rotatably connected with the second sealing cover, and the end edge of the outer side wall of the first sealing cover is connected with the end edge of the outer side wall of the second sealing cover through a sealing rubber piece.

Furthermore, an extrusion assembly matched with the sealing rubber piece is further arranged between the first sealing cover and the second sealing cover, the extrusion assembly comprises a screw block which is located between the first sealing cover and the second sealing cover and is in threaded connection with the screw rod, a plurality of first connecting rods which are connected to the screw block in an annular array mode in a rotating mode, an arc-shaped top plate which is connected to the other end of the first connecting rod in a rotating mode and is abutted to the sealing rubber piece, and a second connecting rod which is connected to the first connecting rod in a rotating mode, and the other end of the second connecting rod is connected with the second sealing cover in a rotating mode.

Further, the fixed pipe inside wall longitudinal symmetry is equipped with two spouts, all be equipped with the slider of sliding connection in the spout on first closing cap and the second closing cap.

Furthermore, be equipped with the fastening components who is used for fastening the connecting pipe on the fixed pipe, fastening components includes bilateral symmetry and rotates two arc splint, the board that turns over that sets up in the arc splint other end of connecting through the tip, and two turn over the board and pass through retaining member fixed connection.

Furthermore, the retaining member includes a through hole provided on the turning plate, a fixing rod arranged in one of the through holes, a fixing sleeve arranged in the other through hole and sleeved on the fixing rod, a convex ring arranged on the fixing rod and in a thread shape, a wedge block arranged in the fixing sleeve and clamped with the convex ring, a first connecting plate arranged outside the turning plate and fixedly connected with one end of the fixing sleeve, and a second connecting plate arranged outside the turning plate and fixedly connected with one end of the fixing rod.

Furthermore, the fixing sleeve is internally provided with a fixing block which is abutted against the convex ring and used for fixing the fixing rod.

Furthermore, a plurality of jacking columns are arranged on the first connecting plate and one side wall, close to the turning plate, of the second connecting plate.

According to the utility model, by arranging the plugging assembly, when one of the vacuum pumps is damaged, the connecting pipe is detached, the plugging assembly is arranged at the opening of the fixed pipe, then the first sealing cover and the second sealing cover extrude the sealing rubber piece by rotating the screw rod, so that the sealing rubber piece is fully contacted with the inner side wall of the fixed pipe, the outlet of the fixed pipe is completed, and the influence on the air pressure value of the vacuum box due to the fact that air enters the vacuum box is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a partial cross-sectional structure of an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic cross-sectional view of the left side of FIG. 1;

fig. 4 is an enlarged schematic view of a portion B in fig. 3.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

The utility model provides an emergent plugging device of compound PE pipe vacuum pump, refer to fig. 1-4, it includes vacuum box 1 and vacuum pump, still include two fixed pipes 2 that set up on vacuum box 1 lateral wall, can dismantle the connecting pipe 3 of cover locating on fixed pipe 2, a shutoff subassembly that is used for emergent 2 exports of the fixed pipe of shutoff, the other end and the vacuum pump intercommunication of connecting pipe 3, the shutoff subassembly includes sliding connection in the first closing cap 4 of 2 inside wall exits of fixed pipe, sliding connection is in fixed pipe 2 and is located the second closing cap 22 of 4 front sides of first closing cap, run through set up in 4 central point of first closing cap and with the screw rod 17 of 4 spiro unions of first closing cap, make the front end and the second closing cap 22 of screw rod 17 rotate and be connected, the 4 lateral wall of first closing cap border is connected through sealing rubber spare 23 with the 22 lateral wall border of second closing cap. Through setting up the shutoff subassembly, after one of them vacuum pump is bad to fall, dismantle connecting pipe 3, make the shutoff subassembly set up in the opening part of fixed pipe 2, then through rotating screw rod 17, make first closing cap 4 and second closing cap 22 extrusion sealing rubber spare 23, make sealing rubber spare 23 and the abundant contact of fixed pipe 2 inside wall, the completion is to the export of fixed pipe 2, avoids influencing vacuum chamber 1 atmospheric pressure value because of air admission vacuum chamber 1.

An extrusion assembly matched with the sealing rubber piece 23 is further arranged between the first sealing cover 4 and the second sealing cover 22, and comprises a screw block 18 which is positioned between the first sealing cover 4 and the second sealing cover 22 and is in screw connection with the screw rod 17, a plurality of first connecting rods 19 which are rotatably connected to the screw block 18 in an annular array mode, an arc-shaped top plate 21 which is rotatably connected to the other end of the first connecting rod 19 and is abutted to the sealing rubber piece 23, and a second connecting rod 20 which is rotatably connected to the first connecting rod 19, so that the other end of the second connecting rod 20 is rotatably connected with the second sealing cover 22. Through setting up arc roof 21, make the arc and fix pipe 2 inside wall butt better to help making sealed rubber 23 seal fixed pipe 2 better. Fixed 2 inside wall longitudinal symmetry of pipe are equipped with two spouts 6, all are equipped with slider 5 of sliding connection in spout 6 on first closing cap 4 and the second closing cap 22, through spout 6 and slider 5's cooperation, play direction and spacing effect to first closing cap 4 and second closing cap 22, guarantee that screw rod 17 drives first closing cap 4 motion in fixed pipe 2. When using, at first make first closing cap 4 and second closing cap 22 all through slider 5 and spout 6's cooperation sliding connection in fixed pipe 2, then through revolving wrong screw rod 17, screw rod 17 drives first closing cap 4 motion, make first closing cap 4 extrusion sealing rubber spare 23, make sealing rubber spare 23 and fixed pipe 2 inside wall looks butt, spacing through second connecting rod 20 simultaneously, screw rod 17 still can drive the motion of spiral shell piece 18, make spiral shell piece 18 drive the motion of first connecting rod 19, first connecting rod 19 drives arc roof 21 motion, make arc roof 21 and fixed pipe 2 inside wall better butt, thereby help making sealing rubber spare 23 seal fixed pipe 2 better.

Be equipped with the fastening components who is used for fastening connection pipe 3 on the fixed tube 2, fastening components include bilateral symmetry and rotate two arc splint 7 of connecting, set up in turning over the board 8 that turns over of the arc splint 7 other end through the tip, make two turn over board 8 and pass through retaining member fixed connection.

The locking part comprises a through hole 16 arranged on the turning plate 8, a fixing rod 13 arranged in the through hole 16 in the left side in a penetrating way, a fixing sleeve 10 arranged in the through hole 16 in the right side in a penetrating way and sleeved on the fixing rod 13, a convex ring 14 arranged on the fixing rod 13 in a thread shape, a wedge-shaped block 12 arranged in the fixing sleeve 10 and clamped with the convex ring 14, a first connecting plate 9 arranged on the outer side of the turning plate 8 and fixedly connected with one end of the fixing sleeve 10, and a second connecting plate 15 arranged on the outer side of the turning plate 8 and fixedly connected with one end of the fixing rod 13. By providing the collar 14 as a thread on the fixing rod 13, it is facilitated to screw the fixing rod 13 out of the fixing sleeve 10 by screwing the collar 14. Be equipped with the guide inclined plane that is used for guiding bulge loop 14 to get into fixed cover 10 on wedge 12, when making dead lever 13 get into fixed cover 10, utilize the elasticity of wedge 12, directly make dead lever 13 insert in fixed cover 10 can, realize the high-speed joint, then block through wedge 12 and bulge loop 14, play spacing effect to dead lever 13, then the effect of rethread first connecting plate 9 and second connecting plate 15, the realization is turned over the clamp of board 8 to two, thereby make connecting pipe 3 cup joint tightly on fixed pipe 2, avoid breaking away from fixed pipe 2 in the use.

Being equipped with in the fixed cover 10 and being used for the firm fast 11 of the firm dead lever 13 with bulge loop 14 looks butt, through setting up the fixed block, make the fixed block play the effect of butt to bulge loop 14, help making dead lever 13 atress even in fixed cover 10, improve the stability of dead lever 13 in fixed cover 10.

The working principle is as follows: when using, at first make first closing cap 4 and second closing cap 22 all through slider 5 and spout 6's cooperation sliding connection in fixed pipe 2, then through revolving wrong screw rod 17, screw rod 17 drives first closing cap 4 motion, make first closing cap 4 extrusion sealing rubber spare 23, make sealing rubber spare 23 and fixed pipe 2 inside wall looks butt, spacing through second connecting rod 20 simultaneously, screw rod 17 still can drive the motion of spiral shell piece 18, make spiral shell piece 18 drive the motion of first connecting rod 19, first connecting rod 19 drives arc roof 21 motion, make arc roof 21 and fixed pipe 2 inside wall better butt, thereby help making sealing rubber spare 23 seal fixed pipe 2 better. By providing the collar 14 as a thread on the fixing rod 13, it is facilitated to screw the fixing rod 13 out of the fixing sleeve 10 by screwing the collar 14. Be equipped with the guide inclined plane that is used for guiding bulge loop 14 to get into fixed cover 10 on wedge 12, when making dead lever 13 get into fixed cover 10, utilize the elasticity of wedge 12, directly make dead lever 13 insert in fixed cover 10 can, realize the high-speed joint, then block through wedge 12 and bulge loop 14, play spacing effect to dead lever 13, then the effect of rethread first connecting plate 9 and second connecting plate 15, the realization is turned over the clamp of board 8 to two, thereby make connecting pipe 3 cup joint tightly on fixed pipe 2, avoid breaking away from fixed pipe 2 in the use.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides an emergent plugging device of compound PE pipe vacuum pump, includes vacuum box and vacuum pump, its characterized in that: still including setting up a plurality of fixed pipes on the vacuum chamber lateral wall, can dismantle the cover and locate connecting pipe on fixed pipe, the shutoff subassembly that is used for the export of the fixed pipe of emergent shutoff, the other end and the vacuum pump intercommunication of connecting pipe, the shutoff subassembly includes sliding connection in the first closing cap of fixed intraductal inside wall exit, sliding connection in the fixed intraductal second closing cap that just is located first closing cap front side, runs through and sets up in first closing cap central position and with the screw rod of first closing cap spiro union, the front end and the second closing cap of screw rod rotate to be connected, first closing cap lateral wall terminal edge and second closing cap lateral wall terminal edge are connected through sealing rubber spare.

2. The composite PE pipe vacuum pump emergency plugging device as claimed in claim 1, wherein: still be equipped with between first closing cap and the second closing cap with sealing rubber spare matched with extrusion subassembly, extrusion subassembly is including being located between first closing cap and the second closing cap and the spiral shell piece on the screw rod, rotate a plurality of first connecting rods of connecting on the spiral shell piece with annular array form, rotate the arc roof of connecting in the first connecting rod other end and with sealing rubber spare looks butt, rotate the second connecting rod of connecting on first connecting rod, the other end and the second closing cap of second connecting rod rotate and are connected.

3. The composite PE pipe vacuum pump emergency plugging device as claimed in claim 2, wherein: the fixed intraductal side wall longitudinal symmetry is equipped with two spouts, all be equipped with the slider of sliding connection in the spout on first closing cap and the second closing cap.

4. The composite PE pipe vacuum pump emergency plugging device as claimed in claim 1, wherein: the fixing pipe is provided with a fastening assembly for fastening the connecting pipe, the fastening assembly comprises two arc-shaped clamping plates which are bilaterally symmetrical and are connected in a rotating mode through the end portions, the turning plate arranged at the other end of each arc-shaped clamping plate is arranged, and the two turning plates are fixedly connected through a locking piece.

5. The composite PE pipe vacuum pump emergency plugging device according to claim 4, wherein: the retaining member includes set up in turning over the through hole on the board, run through the dead lever that sets up in one of them through hole, run through set up in another through hole and the fixed cover of locating on the dead lever, set up on the dead lever and become the bulge loop of screw thread form, set up in fixed cover and with the wedge of bulge loop joint, set up in turning over the board outside and with fixed cover one end fixed connection's first connecting plate, set up in turning over the board outside and with dead lever one end fixed connection's second connecting plate.

6. The composite PE pipe vacuum pump emergency plugging device according to claim 5, wherein: the fixing sleeve is internally provided with a fixing block which is abutted against the convex ring and used for fixing the fixing rod.

7. The composite PE pipe vacuum pump emergency plugging device according to claim 5, wherein: and a plurality of jacking columns are arranged on the first connecting plate and one side wall of the second connecting plate close to the turning plate.