PE pipeline pressing device

Abstract

The utility model relates to the technical field of pipeline plugging, and discloses a PE pipeline pressing device which comprises a three-way adjusting seat, an adjusting screw rod is in threaded connection with the inner wall of the end of the three-way adjusting seat, and a plugging head is fixedly installed on the outer wall of the side, close to the center of the three-way adjusting seat, of the adjusting screw rod. And a locking assembly is arranged in the three-way adjusting seat. The bent arc plate is arranged on the PE pipeline, the multiple arc grooves are formed in the end of the bent arc plate in a matched mode, so that direct impact of water flow in the damaged PE pipeline on the bent arc plate is reduced, the three drainage grooves distributed in the shape like the Chinese character'pin 'are formed in the inner wall of the bent arc plate, and in the process that the bent arc plate moves towards one side of the inner surface of the PE pipeline along with the arc plate, the drainage effect is improved. Water flow in spaces on the upper side and the lower side of the bent arc plate can be communicated through the multiple drainage grooves, resistance borne by the bent arc plate when the bent arc plate gets close to one side of the inner wall of the PE pipeline is reduced, the operation difficulty when the three-way adjusting base and the end of the PE pipeline are connected and locked is reduced, and the operation efficiency of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline plugging technical field, concretely is a kind of PE pipeline pressurizing device. BACKGROUND

[0002] When PE pipeline leaks, it is difficult and unrealistic to completely close all valves for maintenance, so generally after cutting the leaking part, a special pipeline plugging device is used to temporarily plug the PE pipeline for subsequent maintenance work. The existing plugging device includes a plug pipe, one side of the plug pipe is provided with external threads, and the other side of the plug pipe is detachably provided with a blind plate through screws.

[0003] According to a simple PE pipeline pressurizing and plugging device (publication number: CN221548101U) disclosed, in the above-mentioned application, by setting the clamping assembly, the first adjusting rod can be moved in the positioning seat through the thread structure by rotating the first handle, so that the clamping plate moves. The first adjusting rod is rotatably installed on the upper side of the clamping plate, and the upper side of the clamping plate is provided with a limiting rod, so that the first adjusting rod does not drive the clamping plate to rotate when rotating, which facilitates clamping the pipeline, so that the pipeline can be adjusted and fixed according to different sizes.

[0004] However, the above-mentioned device has the following problems in actual use: when clamping the pipeline from the inside to the outside, the clamping plate and the radial shear force of the water flow direction are too large during the process of adjusting and clamping the plate to the pipeline, which affects the construction operation of the workers, and thus reduces the use effect of the device. In view of this, we propose a PE pipeline pressurizing device. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a PE pipeline pressurizing device to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a PE pipeline pressurizing device, including three-way adjusting seat, the bottom center of three-way adjusting seat is provided with ball valve, the end inner wall of three-way adjusting seat is connected with adjusting screw through thread, the outer wall of adjusting screw near three-way adjusting seat center one side is fixedly installed with plugging head, the inside of three-way adjusting seat is provided with locking assembly, the locking assembly includes:

[0007] The bidirectional screw rod is installed through and rotates in the inner wall of the three-way adjusting seat far from the adjusting screw rod, the end of the bidirectional screw rod is fixedly installed with a hand wheel, the outer wall of the bidirectional screw rod is threadedly connected with an arc-shaped plate, the outer wall of the end of the arc-shaped plate far from the center of the three-way adjusting seat is fixedly installed with a curved arc plate, the inner wall of the three-way adjusting seat is fixedly installed with a V-shaped plate, and a V-shaped groove is formed in the inner wall of the arc-shaped plate.

[0008] An arc-shaped groove is formed in the surface of the end of the curved arc plate far from the arc-shaped plate, the arc-shaped outer surface of the curved arc plate is fixedly installed with a convex rib, a drainage groove is formed in the inner wall of the curved arc plate, and a V-shaped abutting block is rotatably installed in the inner wall of the drainage groove.

[0009] Preferably, the plugging head is provided in a circular table shape with a small-diameter end and a large-diameter end, and the small-diameter end is arranged towards the side of the locking assembly, so that when the damaged PE pipeline port is plugged, the plugging head is moved towards the right side by continuously rotating the adjusting screw rod, thereby plugging the space in the three-way adjusting seat.

[0010] Preferably, the V-shaped plate is arranged inside the V-shaped groove, and the sharp end of the V-shaped plate is arranged towards the end far from the bidirectional screw rod, so that the water flow in the damaged PE pipeline is protected from the impact on the bidirectional screw rod during the flow towards the side of the three-way adjusting seat.

[0011] Preferably, the curved arc plate is provided in a spiral shape, and a plurality of groups of convex ribs are arranged at equal intervals on the upper surface of the curved arc plate, and the convex ribs are made of rubber strips, so as to increase the friction coefficient between the curved arc plate and the inner wall of the PE pipeline when the curved arc plate is attached to the inner surface of the PE pipeline during the movement of the arc-shaped plate.

[0012] Preferably, the number of drainage grooves is three, and the three groups of drainage grooves are arranged in a "pin" shape on the inner wall of the curved arc plate, so that the water flow on the upper and lower sides of the curved arc plate can be connected through the plurality of groups of drainage grooves during the movement of the curved arc plate towards the inner surface of the PE pipeline along with the arc-shaped plate.

[0013] Preferably, the top contact of the V-shaped abutting block is arranged towards the side close to the inner wall of the PE pipeline, and the two ends of the V-shaped abutting block abut against the inner wall of the PE pipeline, so as to further reduce the separation trend of the curved arc plate and the PE pipeline in the horizontal direction when they are impacted by the water flow.

[0014] Compared with the prior art, the PE pipeline pressing device has the following beneficial effects:

[0015] 1. The PE pipeline pressing device, through the locking assembly, a plurality of arc grooves are arranged at the end of the curved arc plate, so that the direct impact of the water flow in the damaged PE pipeline on the curved arc plate is reduced, and the curved arc plate is arranged in a spiral shape, and three groups of drainage grooves in the shape of a "pin" are arranged on the inner wall of the curved arc plate, so that the water flow in the space on the upper and lower sides of the curved arc plate can be connected through the plurality of drainage grooves during the movement of the curved arc plate to the inner surface side of the PE pipeline with the arc plate, thereby effectively reducing the resistance of the curved arc plate when moving to the inner wall side of the PE pipeline, reducing the operation difficulty of connecting and locking between the tee adjusting seat and the end of the PE pipeline, and improving the operation efficiency of the device.

[0016] 2. The PE pipeline pressing device, a plurality of convex ribs made of rubber strips are arranged on the top of the curved arc plate, and V-shaped abutting blocks are arranged in the drainage groove, so that when the curved arc plate contacts and abuts against the inner wall of the PE pipeline, the two ends of the V-shaped abutting blocks abut against the inner wall of the PE pipeline, thereby further reducing the separation trend of the curved arc plate and the PE pipeline in the horizontal direction when subjected to water flow impact, ensuring the connection stability of the tee adjusting seat at the end of the damaged PE pipeline, and facilitating the construction and maintenance of the staff. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the sectional structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the local explosion of the locking assembly of the utility model;

[0020] Figure 4 It is a local three-dimensional schematic diagram of the arc plate of the utility model.

[0021] In the drawing: 1, tee adjusting seat; 2, ball valve; 3, adjusting screw; 4, plugging head; 5, locking assembly; 51, bidirectional screw; 52, hand wheel; 53, arc plate; 54, V-shaped plate; 55, curved arc plate; 56, V-shaped groove; 57, arc groove; 58, convex rib; 59, drainage groove; 510, V-shaped abutting block. DETAILED DESCRIPTION

[0022] As Figures 1-4The utility model provides a kind of technical scheme shown in the utility model discloses a kind of PE pipeline pressurizing device, including three-way adjusting seat 1, ball valve 2 is provided at the bottom center of three-way adjusting seat 1, adjusting screw 3 is screw-connected in the end wall of three-way adjusting seat 1, the outer wall of the side of adjusting screw 3 close to the center of three-way adjusting seat 1 is fixedly installed with obturator 4, locking assembly 5 is provided in three-way adjusting seat 1, locking assembly 5 includes bidirectional screw rod 51, hand wheel 52, arc plate 53, curved arc plate 55, V-shaped plate 54, V-shaped groove 56, arc groove 57, convex edge 58 and drainage groove 59 and V-shaped abutment block 510.

[0023] In an embodiment of the utility model, bidirectional screw rod 51 is installed on the end wall of three-way adjusting seat 1 away from adjusting screw 3, and the end of bidirectional screw rod 51 is fixedly installed with hand wheel 52, the outer wall of bidirectional screw rod 51 is screw-connected with arc plate 53, the outer wall of the end of arc plate 53 away from the center of three-way adjusting seat 1 is fixedly installed with curved arc plate 55, the inner wall of three-way adjusting seat 1 is fixedly installed with V-shaped plate 54, V-shaped groove 56 is formed in the inner wall of arc plate 53, arc groove 57 is formed in the surface of the end of curved arc plate 55 away from arc plate 53, convex edge 58 is fixedly installed on the arc outer surface of curved arc plate 55, drainage groove 59 is formed in the inner wall of curved arc plate 55, and V-shaped abutment block 510 is rotatably installed in the inner wall of drainage groove 59.

[0024] Further, the end of three-way adjusting seat 1 is provided with a threaded hole matched with adjusting screw 3, and the end of adjusting screw 3 is provided with a wheel disc, so as to facilitate the staff to hold the wheel disc and drive adjusting screw 3 to rotate, in addition, obturator 4 is provided in the shape of a circular truncated cone containing a small-diameter end and a large-diameter end, and the small-diameter end is arranged towards the side of locking assembly 5, so that when plugging the damaged PE pipeline port, adjusting screw 3 is continuously rotated to drive obturator 4 to move towards the right side, thereby plugging the space in three-way adjusting seat 1 to cut off the water flow, and then closing ball valve 2 to realize the plugging work of the damaged PE pipeline end, thereby facilitating the staff to repair the damaged PE pipeline.

[0025] In addition, the number of hand wheels 52 is provided with two groups, and the two groups of hand wheels 52 are mirror image arranged at the upper and lower ends of the bidirectional screw rod 51, so that the staff can rotate the hand wheels 52 at both ends of the bidirectional screw rod 51 simultaneously when plugging the broken PE pipe end, so as to save labor and speed up the positioning efficiency of the tee adjusting seat 1 at the PE pipe end, further, the V-shaped plate 54 is arranged in the V-shaped groove 56, and the sharp end of the V-shaped plate 54 faces away from one end of the bidirectional screw rod 51, so that the water flow in the broken PE pipe is guided and divided by the V-shaped plate 54 during the flow to the side of the tee adjusting seat 1, so as to protect the impact of the water flow to the bidirectional screw rod 51, avoid the impact of the bidirectional screw rod 51 being too large to cause adverse effects on the adjusting rotation, and further affect the normal operation of the staff, at the same time, the V-shaped plate 54 and the V-shaped groove 56 can also guide and limit the vertical movement of the arc-shaped plate 53 with the rotation of the bidirectional screw rod 51, avoid the rotation of the arc-shaped plate 53 with the rotation of the bidirectional screw rod 51, specifically, the number of arc-shaped plates 53 is provided with two groups, and the two groups of arc-shaped plates 53 are symmetrically arranged on the upper and lower sides of the bidirectional screw rod 51 with the horizontal central axis of the tee adjusting seat 1 as the symmetry axis, by rotating the bidirectional screw rod 51, the spacing between the arc-shaped plates 53 in the tee adjusting seat 1 is adjusted and controlled, and the connection between the tee adjusting seat 1 and the broken PE pipe end is realized.

[0026] In the embodiment of the utility model, the curved arc plate 55 is arranged in a spiral shape, and the number of convex edges 58 is provided with multiple groups, and the multiple groups of convex edges 58 are arranged at equal intervals on the upper surface of the curved arc plate 55, and the convex edges 58 are made of rubber strips, so as to increase the friction coefficient between the curved arc plate 55 and the inner wall of the PE pipe when the curved arc plate 55 is combined with the PE pipe during the movement of the arc-shaped plate 53, and the convex edges 58 are arranged in a curved shape, so as to improve the stability of the connection between the curved arc plate 55 and the PE pipe, and avoid the tee adjusting seat 1 from falling off on the inner wall of the PE pipe due to excessive water pressure.

[0027] Further, the number of arc-shaped grooves 57 is provided in multiple groups, and the multiple groups of arc-shaped grooves 57 are uniformly distributed on the end surface of the curved arc plate 55, and the number of drainage grooves 59 is provided in three groups, and the three groups of drainage grooves 59 are distributed in the shape of a "pin" on the inner wall of the curved arc plate 55, so that in the process of the curved arc plate 55 moving to the side of the inner surface of the PE pipe along with the arc-shaped plate 53, the water flow on the upper and lower sides of the curved arc plate 55 can be connected through the multiple groups of drainage grooves 59, thereby effectively reducing the resistance of the curved arc plate 55 when it is close to the side of the inner wall of the PE pipe, reducing the operation difficulty when the three-way adjusting seat 1 is connected and locked with the end portion of the PE pipe, improving the operation efficiency of the device, and at the same time, the top contact of the V-shaped abutting block 510 is close to the side of the inner wall of the PE pipe, so that when the curved arc plate 55 contacts and abuts against the inner wall of the PE pipe, the two ends of the V-shaped abutting block 510 will abut against the inner wall of the PE pipe, thereby further reducing the separation trend of the curved arc plate 55 and the PE pipe in the horizontal direction when they are impacted by the water flow, ensuring the connection stability of the three-way adjusting seat 1 at the damaged end portion of the PE pipe, and thereby facilitating the construction and maintenance of the staff.

[0028] In the utility model, in use, firstly, the damaged PE pipe is cut open, and one end thereof is cut into a flat incision, then the ball valve 2 is opened, and one end of the locking assembly 5 of the three-way adjusting seat 1 is aligned to the damaged PE pipe, at this time, the hand wheel 52 is rotated, and the bidirectional screw rod 51 is cooperated to drive the two groups of arc-shaped plates 53 to drive the curved arc plate 55 to move to the side away from the center of the three-way adjusting seat 1 until the curved arc plate 55 is attached to the inner wall of the end portion of the damaged PE pipe, so that the curved arc plate 55 is abutted against the inner wall of the damaged PE pipe, thereby completing the installation of the three-way adjusting seat 1, at this time, the three-way adjusting seat 1 is gripped tightly, and the adjusting screw rod 3 is continuously rotated to drive the plug 4 to move to the side of the arc-shaped plate 53, and finally the inside of the three-way adjusting seat 1 is plugged, finally, the ball valve 2 is closed to realize the plugging work of the end portion of the damaged PE pipe, thereby facilitating the construction work of the staff.

[0029] The above has made a detailed description of the utility model in general, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A PE pipe pressure testing device, comprising a tee adjusting seat (1), wherein a ball valve (2) is provided at the bottom center of the tee adjusting seat (1), an adjusting screw (3) is threadedly connected to the inner wall of the end of the tee adjusting seat (1), and a sealing head (4) is fixedly installed on the outer wall of the adjusting screw (3) near the center of the tee adjusting seat (1), characterized in that: The inside of the three-way adjusting seat (1) is provided with a locking component (5), and the locking component (5) includes: A bidirectional screw rod (51) which penetrates and is rotatably installed on the inner wall of one end of the three-way adjusting seat (1) far away from the adjusting screw rod (3). A hand wheel (52) is fixedly installed at the end of the bidirectional screw rod (51). An arc-shaped plate (53) is threadedly connected to the outer wall of the bidirectional screw rod (51). A bent arc plate (55) is fixedly installed on the outer wall of one end of the arc-shaped plate (53) far away from the center of the three-way adjusting seat (1). A V-shaped plate (54) is fixedly installed on the inner wall of the three-way adjusting seat (1). A V-shaped groove (56) is formed on the inner wall of the arc-shaped plate (53); An arc-shaped groove (57) is formed on the surface of one end of the bent arc plate (55) far away from the arc-shaped plate (53). A convex rib (58) is fixedly installed on the arc-shaped outer surface of the bent arc plate (55). A drainage groove (59) is formed on the inner wall of the bent arc plate (55). A V-shaped abutting block (510) is rotatably installed on the inner wall of the drainage groove (59).

2. The PE pipe pressing device according to claim 1, characterized in that: The plugging head (4) is arranged in a frustum shape including a small-diameter end and a large-diameter end, and the small-diameter end is arranged towards the side of the locking component (5).

3. The PE pipe pressing device according to claim 1, characterized in that: The V-shaped plate (54) is arranged inside the V-shaped groove (56), and the sharp end of the V-shaped plate (54) faces away from the end of the bidirectional screw rod (51).

4. The PE pipe pressing device according to claim 1, characterized in that: The bent arc plate (55) is arranged in a spiral shape, and the number of the convex ribs (58) is multiple groups, and the multiple groups of convex ribs (58) are arranged at equal intervals on the upper surface of the bent arc plate (55), and the convex ribs (58) are made of rubber strips.

5. The PE pipe pressing device according to claim 1, characterized in that: The number of the drainage grooves (59) is three groups, and the three groups of drainage grooves (59) are distributed in a "pin" shape on the inner wall of the bent arc plate (55).

6. The PE pipe pressing device according to claim 1, characterized in that: The top contact point of the V-shaped abutting block (510) faces towards the side close to the inner wall of the PE pipe.

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