Device for automatically adjusting inner diameter of PE water supply pipe

Abstract

The utility model relates to the technical field of water pipe inner diameter adjustment, in particular to a PE water supply pipe inner diameter automatic adjusting device. According to the technical scheme, the PE water supply pipe comprises a PE water supply pipe body, a first frame, a second frame, a third frame, a fourth frame and a driving mechanism, wherein the first frame, the second frame, the third frame and the fourth frame are sleeved with the PE water supply pipe body; the first frame, the second frame, the third frame and the fourth frame are each internally provided with a limiting block. A first fixing plate is welded to the side end face of the first frame. A second fixing plate is welded to the side end face of the fourth frame. Guide blocks are welded to the top end face and the bottom end face of the second frame, and a fixing block is welded to the inner wall of the second frame; a lead screw is arranged on an output shaft of the driving mechanism and installed in the fixing block through threads. A first connecting plate is welded to the side end face of the second frame. A second connecting plate is welded to the side end face of the third frame. The inner diameter of the water pipe can be adjusted, and internal weld joints can be treated conveniently after adjustment.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of water supply pipe inner diameter adjustment, in particular to a PE water supply pipe inner diameter automatic adjusting device. BACKGROUND

[0002] PE (polyethylene) material is widely used in water supply pipe manufacturing field due to its high strength, corrosion resistance, non-toxic and other characteristics. Because it does not rust, it is an ideal pipe material to replace ordinary iron water supply pipe.

[0003] Hot melt welding can be used when connecting PE water supply pipes. Hot melt welding is a welding method that melts the joints of two PE pipes to a certain temperature and then connects them. After hot melting, the weld usually needs to be polished to ensure the weld reinforcement composite requirements. However, the inner diameter of the existing PE water supply pipe cannot be adjusted, making it difficult for personnel to access during polishing, so further improvement is needed. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a PE water supply pipe inner diameter automatic adjusting device to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a PE water supply pipe inner diameter automatic adjusting device, comprising a PE water supply pipe body, a frame one, a frame two, a frame three, a frame four and a driving mechanism,

[0006] The frame one, the frame two, the frame three and the frame four are sleeved in the PE water supply pipe body;

[0007] The frame one, the frame two, the frame three and the frame four are all installed with a limiting block;

[0008] The side end surface of the frame one is welded with a fixed plate one;

[0009] The side end surface of the frame four is welded with a fixed plate two;

[0010] The top end surface and the bottom end surface of the frame two are both welded with a guide block, and the inner wall of the frame two is welded with a fixed block;

[0011] The output shaft of the driving mechanism is provided with a lead screw, and the lead screw is installed in the fixed block through threads;

[0012] The side end surface of the frame two is welded with a connecting plate one, and the connecting plate one is provided with a limiting groove one;

[0013] The side end surface of the frame three is welded with a connecting plate two, and the connecting plate two is provided with a limiting groove two.

[0014] Preferably, the top end face of the second frame is welded with a mounting block, and a handle is mounted in the mounting block.

[0015] Preferably, a mounting frame is mounted on the driving mechanism, and the side end face of the mounting frame is mounted in the third frame.

[0016] Preferably, the top end face and the bottom end face of the third frame are welded with guide rods through connecting blocks, and the guide rods are slidingly sleeved in the guide blocks.

[0017] Preferably, the first connecting plate is slidingly sleeved in the first fixed plate, and the second connecting plate is slidingly sleeved in the second fixed plate.

[0018] Preferably, a first bolt is threadedly mounted on the first fixed plate, and the first bolt is sleeved in a first limiting groove.

[0019] Preferably, a second bolt is threadedly mounted on the second fixed plate, and the second bolt is sleeved in a second limiting groove.

[0020] Compared with the prior art, the utility model has the advantages that:

[0021] 1、The utility model discloses a frame one, a frame two, a frame three and a frame four are connected, and then the limiting block is sleeved in the inside of the PE water supply pipe body, so that the frame one, the frame two, the frame three and the frame four can be expanded to the inner wall of the PE water supply pipe body. 2、The frame three is connected with the frame two through the guide rod slidingly sleeved in the guide block, and the screw rod is threadedly mounted in the fixed block, so that the personnel can start the driving mechanism to drive the screw rod to expand. 3、The screw rod rotates to expand or close the frame two and the frame three, so that the inner diameter of the PE water supply pipe body can be adjusted automatically.

[0022] 2、The utility model discloses a connecting plate one and connecting plate two are set up, when personnel is to the adjustment operation of the opening of inside diameter of PE water supply pipe body, they can also be according to different inside diameter demand, to the depth of connecting plate one and connecting plate two plug -in inside fixed plate one and fixed plate two, after completing the adjustment, by installing bolt one and bolt two in the limiting groove one and limiting groove two of fixed plate one and fixed plate two in different positions, this can realize the adjustment of the spacing between frame one and frame two and frame three and frame four, further, frame one and frame two and frame three and frame four can be unfolded, and can be adjusted according to the inside diameter size of water pipe need opening, after completing the opening operation, personnel can hold the handle, and frame one, frame two, frame three and frame four are pushed into the water pipe to carry out the opening adjustment operation, to meet the automatic adjustment operation demand of water pipe inside diameter. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the front view structure schematic diagram of the utility model;

[0024] Figure 2 It is the top view structure schematic diagram of the utility model;

[0025] Figure 3 It is the side view structure schematic diagram of the utility model;

[0026] Figure 4 It is the bottom view structure schematic diagram of the utility model;

[0027] Figure 5 It is the unfolded structure schematic diagram of the utility model.

[0028] In the drawing: 1, PE water supply pipe body;2, frame one;3, frame two;4, frame three;5, frame four;6, limiting block;7, mounting block;8, handle;9, guide block;10, guide rod;11, connecting block;12, drive mechanism;13, mounting frame;14, screw;15, fixed block;16, connecting plate one;17, fixed plate one;18, bolt one;19, limiting groove one;20, connecting plate two;21, fixed plate two;22, bolt two;23, limiting groove two. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0030] Embodiment one

[0031] As Figures 1-5 shown, the utility model provides a kind of PE water supply pipe inner diameter automatic adjusting device, including PE water supply pipe body 1, frame one 2, frame two 3, frame three 4, frame four 5 and drive mechanism 12,

[0032] PE water supply pipe body 1 is sleeved with frame one 2, frame two 3, frame three 4 and frame four 5 in set;

[0033] Limiting block 6 is installed in frame one 2, frame two 3, frame three 4 and frame four 5;

[0034] The side end surface of frame one 2 is welded with fixed plate one 17;

[0035] The side end surface of frame four 5 is welded with fixed plate two 21;

[0036] The top end surface and bottom end surface of frame two 3 are welded with guide block 9, and the inner wall of frame two 3 is welded with fixed block 15;

[0037] The output shaft of drive mechanism 12 is provided with screw rod 14, and screw rod 14 is installed in fixed block 15 by thread;

[0038] The side end surface of frame two 3 is welded with connecting plate one 16, and limiting slot one 19 is formed in connecting plate one 16;

[0039] The side end surface of frame three 4 is welded with connecting plate two 20, and limiting slot two 23 is formed in connecting plate two 20.

[0040] And as the person skilled in the art is well known, drive mechanism 12 is provided, drive mechanism 12 can be powered by external power supply, and external control switch can be used for control when power supply, which all belong to conventional means or common knowledge, here will not be repeated, the person skilled in the art can be selected according to its needs or convenience arbitrarily.Drive mechanism 12 drives screw rod 14 to rotate.

[0041] The top end surface of frame two 3 is welded with mounting block 7, and handle 8 is installed in mounting block 7, handle 8 is installed in mounting block 7, so that personnel hold handle 8 can push frame two 3.

[0042] Mounting bracket 13 is installed on drive mechanism 12, and the side end surface of mounting bracket 13 is installed in frame three 4, and drive mechanism 12 can be installed and fixed in frame three 4 by mounting bracket 13.

[0043] The top end face and the bottom end face of the frame three 4 are welded with guide rods 10 through connecting blocks 11, and the guide rods 10 are slidingly sleeved in the guide blocks 9, so that the frame three 4 can be connected with the frame two 3 through the guide rods 10 slidingly sleeved in the guide blocks 9.

[0044] Based on the embodiment 1: after the personnel use and hot melt welding on the PE water supply pipe body 1, in order to process the inner wall weld of the PE water supply pipe body 1, the personnel can connect the frame one 2, the frame two 3, the frame three 4 and the frame four 5 through the limiting blocks 6 sleeved in the PE water supply pipe body 1, so that the frame one 2, the frame two 3, the frame three 4 and the frame four 5 can be expanded by the limiting blocks 6 on the inner wall of the PE water supply pipe body 1, and when being expanded, the frame three 4 can be connected with the frame two 3 through the guide rods 10 slidingly sleeved in the guide blocks 9, and after being screwed in the fixed blocks 15, the personnel can open the driving mechanism 12 to drive the lead screw 14 to expand, and the lead screw 14 can drive the frame two 3 and the frame three 4 to expand or close, so that the inner diameter of the PE water supply pipe body 1 can be adjusted, and the automatic adjustment of the water pipe inner diameter is realized.

[0045] Embodiment two

[0046] As shown in Figures 1-5 , the utility model provides a kind of PE water supply pipe inner diameter automatic adjusting device, compared with embodiment one, this embodiment further includes: PE water supply pipe body 1, frame one 2, frame two 3, frame three 4, frame four 5 and driving mechanism 12,

[0047] PE water supply pipe body 1 is sleeved with frame one 2, frame two 3, frame three 4 and frame four 5;

[0048] Limiting block 6 is installed in frame one 2, frame two 3, frame three 4 and frame four 5;

[0049] The side end face of frame one 2 is welded with fixed plate one 17;

[0050] The side end face of frame four 5 is welded with fixed plate two 21;

[0051] The top end face and the bottom end face of frame two 3 are welded with guide block 9, and the inner wall of frame two 3 is welded with fixed block 15;

[0052] Lead screw 14 is arranged on the output shaft of driving mechanism 12, and lead screw 14 is screwed in fixed block 15;

[0053] The side end face of frame two 3 is welded with connecting plate one 16, and limiting slot one 19 is formed in connecting plate one 16;

[0054] The side end face of the frame three 4 is welded with a connecting plate two 20, and a limiting groove two 23 is formed in the connecting plate two 20.

[0055] The connecting plate one 16 is slidingly sleeved in the fixed plate one 17, and the connecting plate two 20 is slidingly sleeved in the fixed plate two 21, and the frame one 2 and the frame two 3 are connected with the frame three 4 and the frame four 5 by slidingly sleeving the connecting plate one 16 and the connecting plate two 20 in the fixed plate one 17 and the fixed plate two 21 respectively.

[0056] The fixed plate one 17 is provided with a bolt one 18 screwed thereon, and the bolt one 18 is sleeved in the limiting groove one 19, and the fixed plate one 17 is connected with the connecting plate one 16 and then fixed by screwing the bolt one 18 in the fixed plate one 17 and then sleeving it in the limiting groove one 19.

[0057] The fixed plate two 21 is provided with a bolt two 22 screwed thereon, and the bolt two 22 is sleeved in the limiting groove two 23, and the fixed plate two 21 is connected with the connecting plate two 20 and then fixed by screwing the bolt two 22 in the fixed plate two 21 and then sleeving it in the limiting groove two 23.

[0058] Based on the embodiment 2, when the personnel adjust the inner diameter of the PE water pipe body 1, the personnel can also adjust the depth of the connecting plate one 16 and the connecting plate two 20 inserted in the fixed plate one 17 and the fixed plate two 21 according to different inner diameter requirements, and then the bolt one 18 and the bolt two 22 are installed in the limiting groove one 19 and the limiting groove two 23 at different positions in the fixed plate one 17 and the fixed plate two 21, so that the spacing between the frame one 2 and the frame two 3 and the frame three 4 and the frame four 5 can be adjusted, the frame one 2 and the frame two 3 and the frame three 4 and the frame four 5 are expanded, the inner diameter of the water pipe can be adjusted according to the size of the inner diameter of the water pipe, and the frame one 2, the frame two 3, the frame three 4 and the frame four 5 can be pushed into the water pipe to adjust the inner diameter of the water pipe after being expanded, so that the automatic adjustment of the inner diameter of the water pipe can be realized.

[0059] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Accordingly, the embodiments should be considered as exemplary and not limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalents of the elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to which they are involved.

Claims

1. An automatic adjustment device for the inner diameter of a PE water supply pipe, comprising a PE water supply pipe body (1), a first frame (2), a second frame (3), a third frame (4), a fourth frame (5), and a driving mechanism (12), characterized in that: The PE water supply pipe body (1) is fitted with frame one (2), frame two (3), frame three (4) and frame four (5); Limiting blocks (6) are installed in each of the following frames: frame 1 (2), frame 2 (3), frame 3 (4), and frame 4 (5); A fixing plate (17) is welded to the side end face of the frame (2); The side end face of the frame four (5) is welded with a fixing plate two (21); Guide blocks (9) are welded to the top and bottom surfaces of the frame two (3), and fixing blocks (15) are welded to the inner wall of the frame two (3). The output shaft of the drive mechanism (12) is provided with a lead screw (14), and the lead screw (14) is installed in the fixed block (15) by a thread; The side end face of the frame 2 (3) is welded with a connecting plate 1 (16), and a limiting groove 1 (19) is opened in the connecting plate 1 (16); The side end face of the frame three (4) is welded with a connecting plate two (20), and a limiting groove two (23) is opened in the connecting plate two (20).

2. The automatic adjustment device for the inner diameter of a PE water supply pipe according to claim 1, characterized in that: The top surface of the frame 2 (3) is welded with a mounting block (7), and a handle (8) is installed inside the mounting block (7).

3. The automatic adjustment device for the inner diameter of a PE water supply pipe according to claim 1, characterized in that: The drive mechanism (12) is equipped with a mounting bracket (13), and the side end face of the mounting bracket (13) is installed inside the frame three (4).

4. The automatic adjustment device for the inner diameter of a PE water supply pipe according to claim 1 or 3, characterized in that: The top and bottom surfaces of the frame three (4) are welded with guide rods (10) through connecting blocks (11), and the guide rods (10) are slidably sleeved in the guide blocks (9).

5. The automatic adjustment device for the inner diameter of a PE water supply pipe according to claim 1, characterized in that: The first connecting plate (16) is slidably sleeved inside the first fixing plate (17), and the second connecting plate (20) is slidably sleeved inside the second fixing plate (21).

6. The automatic adjustment device for the inner diameter of a PE water supply pipe according to claim 1, characterized in that: A bolt (18) is threadedly installed on the fixing plate (17), and the bolt (18) is fitted into the limiting groove (19).

7. The automatic adjustment device for the inner diameter of a PE water supply pipe according to claim 1, characterized in that: The fixing plate 2 (21) is threaded with bolt 2 (22), and bolt 2 (22) is sleeved in the limiting groove 2 (23).

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