Water supply and drainage pipeline unfreezing device

Abstract

The utility model provides a water supply and drainage pipeline unfreezing device which relates to the field of pipeline maintenance auxiliary equipment and comprises an upper box body, a lower box body is arranged at the bottom of the upper box body in a sliding mode, a plurality of limiting mechanisms are arranged at the top end of the upper box body, and the bottoms of the limiting mechanisms penetrate through the upper box body respectively and extend into the lower box body. The outer surfaces of the multiple limiting mechanisms are slidably connected with the inner surfaces of the upper box body and the lower box body correspondingly, a worker enables a water pipe to be located between the upper box body and the lower box body and enables the upper box body and the lower box body to move relatively, and an arc-shaped block enters a circular groove of the lower box body through a connecting groove; meanwhile, an arc-shaped block drives a spring to be in a compressed state through a circular block, then a worker rotates a movable column, the movable column drives the arc-shaped block to rotate, the worker loosens a power column and relieves driving on the spring, and according to the extensibility of the spring, the spring drives the arc-shaped block to move upwards through the circular block; and the arc-shaped blocks enter the limiting grooves of the lower box body, and clamping and limiting of the upper box body and the lower box body are completed.

Description

Technical Field

[0001] The utility model relates to the field of pipeline maintenance auxiliary equipment, in particular to a thawing device for water supply and drainage pipelines. Background Art

[0002] A pipeline thawing device is a device specifically used to solve the blockage problem caused by ice formation or freezing in pipelines. This device can quickly and effectively melt the ice layer in the frozen pipeline and restore the normal flow function of the pipeline. It is widely used in various pipeline systems, especially in cold regions or occasions where low-temperature liquids need to be processed.

[0003] According to the publication number CN206310159U, a pipeline thawing device is disclosed. The upper box body and the lower box body wrap the frozen water pipe. Semi-circular heating plates are arranged in the inner cavities of the upper box body and the lower box body. PTC heating elements are evenly arranged on the inner walls of the semi-circular heating plates. Elastic heat insulation layers are arranged on the contact surfaces of the upper box body and the lower box body. The sides of the upper box body and the lower box body are connected by an elastic hose. A water collecting pipe is arranged at the right end of the semi-circular heating plate in the inner cavity of the lower box body. A water collecting cavity is arranged on the right side of the inner cavity of the lower box body. A drain pipe is connected to the lower end of the water collecting cavity. Knobs are arranged at the four corners of the upper surface of the upper box body. A set screw is arranged at the lower end of the knob. External threads are arranged at the bottom end of the set screw. Internal threads are arranged inside the four corners of the upper surface of the lower box body. A heating switch is arranged on the surface of the lower box body. It has the characteristics of simple operation and high thawing efficiency. However, when assembling the upper box body and the lower box body, the staff needs to rotate the knobs multiple times to drive the set screws to rotate, so that the set screws complete the threaded connection with the lower box body and complete the assembly of the upper box body and the lower box body. This situation makes the assembly of the upper box body and the lower box body relatively cumbersome and time-consuming, and increases the labor intensity of the staff to a certain extent.

[0004] Therefore, it is necessary to provide a new thawing device for water supply and drainage pipelines to solve the above technical problems. Summary of the Utility Model

[0005] To solve the above technical problems, the utility model provides a thawing device for water supply and drainage pipelines.

[0006] The thawing device for water supply and drainage pipelines provided by the utility model includes an upper box body. A lower box body is slidably arranged at the bottom of the upper box body. A plurality of limiting mechanisms are arranged at the top of the upper box body. The bottoms of the plurality of limiting mechanisms respectively pass through the upper box body and extend into the lower box body. The outer surfaces of the plurality of limiting mechanisms are respectively slidably connected to the inner surfaces of the upper box body and the lower box body.

[0007] The limiting mechanism includes a movable column. The bottom of the movable column extends out of the upper box body, and the outer surface of the movable column is slidably connected to the inner surface of the upper box body. Arc-shaped blocks are fixedly arranged on both sides of the bottom of the movable column. A circular groove is formed inside the lower box body, and a connecting groove communicating with the circular groove is formed at the top end of the lower box body. The bottoms of the two arc-shaped blocks pass through the connecting groove and extend into the circular groove. The outer surfaces of the two arc-shaped blocks are respectively slidably connected to the inner surfaces of the connecting groove and the circular groove. A limiting groove is formed on the inner side wall of the circular groove, and the outer surfaces of the two arc-shaped blocks are slidably connected to the inner surface of the limiting groove. An elastic member is fixedly arranged inside the circular groove, and the top end of the elastic member is slidably connected to the bottoms of the two arc-shaped blocks.

[0008] Preferably, the elastic member includes a spring. The spring is fixedly arranged inside the circular groove. A circular block is arranged at the top end of the spring. The top end of the circular block is slidably connected to the movable column and the bottoms of the two arc-shaped blocks. A power block is fixedly arranged at the top end of the movable column.

[0009] Preferably, elastic heat insulation layers are respectively fixedly arranged on the outer surfaces of the upper box body and the lower box body. Two elastic hoses are arranged on one side of the upper box body. One sides of the two elastic hoses are respectively fixedly connected to one side of the upper box body and the lower box body.

[0010] Preferably, an arc-shaped groove is formed inside the lower box body. A storage battery is slidably arranged inside the arc-shaped groove. A heating switch is fixedly arranged on one side of the outer surface of the lower box body.

[0011] Preferably, semi-circular heating plates are respectively fixedly arranged inside the upper box body and the lower box body. PTC heating elements are respectively arranged in a fitting manner on the opposite sides of the two semi-circular heating plates. Two ends of the two PTC heating elements are respectively fixedly connected to the inside of the upper box body and the lower box body.

[0012] Preferably, a water collecting cavity is formed inside the lower box body. A water collecting pipe is arranged inside the water collecting cavity. The top end of the water collecting pipe extends out of the PTC heating element, and the outer surface of the water collecting pipe is fixedly connected to the inner surface of the PTC heating element.

[0013] Preferably, a water discharge pipe is arranged inside the lower box body. The top end of the water discharge pipe passes through the lower box body and extends into the water collecting cavity. The outer surface of the water discharge pipe is fixedly connected to the inner surface of the lower box body.

[0014] Compared with the related art, the water supply and drainage pipeline thawing device provided by the present utility model has the following beneficial effects:

[0015] The staff place the water pipe between the upper box body and the lower box body, and make the upper box body and the lower box body move relative to each other, so that the arc-shaped block enters the circular groove inside the lower box body through the connecting groove. At the same time, the arc-shaped block drives the spring to be in a compressed state through the circular block. Then the staff rotates the movable column, and the movable column drives the arc-shaped block to rotate. The staff releases the power column to release the drive of the spring. According to the extensibility of the spring, the spring drives the arc-shaped block to move upward through the circular block, so that the arc-shaped block enters the limiting groove inside the lower box body, completing the clamping and limiting of the upper box body and the lower box body. Through this structure, the combination process of the upper box body and the lower box body is simplified, the assembly efficiency of the upper box body and the lower box body is improved, and the labor intensity of the staff is reduced to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 FIG. is a schematic diagram of the overall structure of the water supply and drainage pipe thawing device provided by the present utility model;

[0017] Figure 2 is Figure 1 the schematic cross-sectional structure shown Figure 1 ;

[0018] Figure 3 is Figure 1 the schematic diagram of the partial cross-sectional structure shown;

[0019] Figure 4 is Figure 1 the schematic diagram of the limiting mechanism structure shown;

[0020] Figure 5 is Figure 4 the schematic diagram of the partial structure shown;

[0021] Figure 6 is Figure 5 the schematic diagram of the partial structure shown Figure 1 ;

[0022] Figure 7 is Figure 5 the schematic diagram of the partial structure shown Figure 2 ;

[0023] Figure 8 is Figure 1 the schematic cross-sectional structure shown Figure 2 .

[0024] Reference numerals in the figures: 1, upper box body; 2, lower box body; 3, movable column; 4, arc-shaped block; 5, circular groove; 6, connecting groove; 7, limiting groove; 8, spring; 9, circular block; 10, power block; 11, elastic heat insulation layer; 12, elastic hose; 13, arc-shaped groove; 14, storage battery; 15, heating switch; 16, water collecting pipe; 17, PTC heating element; 18, water collecting cavity; 19, water discharge pipe; 20, lifting ring; 21, semi-circular heating plate. Detailed implementation mode

[0025] The present utility model will be further described below in conjunction with the accompanying drawings and implementation modes.

[0026] Please refer to Figures 1 - 8 , where Figure 1 is the overall structural schematic diagram of the water supply and drainage pipeline thawing device provided by the present utility model; Figure 2 is Figure 1 the sectional structural schematic diagram shown in Figure 1 ; Figure 3 is Figure 1 the partial sectional structural schematic diagram shown in Figure 4 is Figure 1 the structural schematic diagram of the limiting mechanism shown in Figure 5 is Figure 4 the partial structural schematic diagram shown in Figure 6 is Figure 5 the partial structural schematic shown in Figure 1 ; Figure 7 is Figure 5 the partial structural schematic shown in Figure 2 ; Figure 8 is Figure 1 the sectional structural schematic diagram shown in

[0027] In the specific implementation process, as Figures 1 - 7 shown, the water supply and drainage pipeline thawing device includes an upper box body 1, a lower box body 2 is slidably arranged at the bottom of the upper box body 1, a pipeline is slidably arranged between the upper box body 1 and the lower box body 2, a plurality of limiting mechanisms are arranged at the top end of the upper box body 1, the bottoms of the plurality of limiting mechanisms respectively pass through the upper box body 1 and extend into the lower box body 2, the outer surfaces of the plurality of limiting mechanisms are respectively slidably connected with the inner surfaces of the upper box body 1 and the lower box body 2, the limiting mechanism includes a movable column 3, the bottom of the movable column 3 extends out of the inner part of the upper box body 1, the outer surface of the movable column 3 is slidably connected with the inner surface of the upper box body 1, arc-shaped blocks 4 are fixedly arranged on both sides of the bottom of the movable column 3, a circular groove 5 is opened in the lower box body 2, a connecting groove 6 communicated with the circular groove 5 is opened at the top end of the lower box body 2, the bottoms of the two arc-shaped blocks 4 pass through the connecting groove 6 and extend into the circular groove 5, the outer surfaces of the two arc-shaped blocks 4 are respectively slidably connected with the inner surfaces of the connecting groove 6 and the circular groove 5, a limiting groove 7 is opened on the inner side wall of the circular groove 5, the outer surfaces of the two arc-shaped blocks 4 are slidably connected with the inner surface of the limiting groove 7, an elastic member is fixedly arranged in the circular groove 5, the top end of the elastic member is slidably connected with the bottoms of the two arc-shaped blocks 4, the elastic member includes a spring 8, the spring 8 is fixedly arranged in the circular groove 5, a circular block 9 is arranged at the top end of the spring 8, the top end of the circular block 9 is slidably connected with the movable column 3 and the bottoms of the two arc-shaped blocks 4, and a power block 10 is fixedly arranged at the top end of the movable column 3;

[0028] The staff makes the water pipe located between the upper box body 1 and the lower box body 2, and makes the upper box body 1 and the lower box body 2 move relative to each other. The staff drives the movable column 3 to move downward through the power block 10, so that the movable column 3 drives the arc block 4 to move downward, so that the arc block 4 enters the circular groove 5 of the lower box body 2 through the connecting groove 6 of the lower box body 2. At the same time, the arc block 4 drives the spring 8 in a compressed state through the circular block 9. The staff rotates the power block 10, so that the power block 10 drives the arc block 4 to rotate in the circular groove 5 through the movable column 3. Then the staff releases the power block 10, releases the drive to the circular block 9, and releases the drive to the spring 8. According to the stretchability of the spring 8, the spring 8 stretches The circular block 9 drives the arc block 4 to enter the limiting groove 7 of the lower box body 2, and the upper box body 1 and the lower box body 2 are engaged and limited. When the pipeline is thawed, the staff drives the movable column 3 to move downward through the power block 10, so that the movable column 3 drives the arc block 4 to move downward, and drives the arc block 4 to leave the limiting groove 7 of the lower box body 2. Then the staff rotates the power block 10, so that the power block 10 drives the arc block 4 to rotate in the circular groove 5 through the movable column 3, and the staff can pull the upper box body 1 upward, so that the upper box body 1 drives the movable column 3 to move through the power block 10, and the movable column 3 drives the arc block 4 to leave the upper box body 1.

[0029] like Figure 8 As shown, the outer surfaces of the upper box body 1 and the lower box body 2 are respectively fixed with elastic insulation layers 11, one side of the upper box body 1 is provided with two elastic hoses 12, one side of the two elastic hoses 12 is respectively fixedly connected to the upper box body 1 and the lower box body 2, an arc groove 13 is opened inside the lower box body 2, a battery 14 is slidably arranged inside the arc groove 13, a heating switch 15 is fixedly arranged on one side of the outer surface of the lower box body 2, and a semicircular heating plate 21 is respectively fixedly arranged inside the upper box body 1 and the lower box body 2, and the two semicircular heating plates 21 are respectively fitted with P on the opposite sides. TC heating element 17, two ends of the two PTC heating elements 17 are fixedly connected to the upper box body 1 and the lower box body 2 respectively, a water collecting chamber 18 is opened inside the lower box body 2, a water collecting pipe 16 is arranged inside the water collecting chamber 18, the PTC heating element 17 extends from the top end of the water collecting pipe 16, the outer surface of the water collecting pipe 16 is fixedly connected to the inner surface of the PTC heating element 17, a drain pipe 19 is arranged inside the lower box body 2, the top end of the drain pipe 19 extends through the lower box body 2 to the inside of the water collecting chamber 18, and the outer surface of the drain pipe 19 is fixedly connected to the inner surface of the lower box body 2.

[0030] A lifting ring 20 is fixedly provided on the upper surface of the upper box body 1. Through the lifting ring 20, it is convenient to lift the device when moving it. The elastic heat insulation layer 11 can protect the heat generated by the PTC heating element 17 from being dissipated into the air, improving the utilization rate of heat. The sides of the upper box body 1 and the lower box body 2 are connected by an elastic hose 12, and the elastic hose 12 provides protection for the electrical conductors used for connection. The connection relationship among the heating switch 15, the storage battery 14, and the PTC heating element 17 can refer to the patent document with the publication number CN206310159U. After the upper box body 1 and the lower box body 2 are assembled, the staff presses the heating switch 15 to supply power to the PTC heating element 17 by the storage battery 14, so that the PTC heating element 17 heats the pipeline. The water generated when the pipeline thaws will enter the water collection cavity 18 of the lower box body 2 through the water collection pipe 16 and then be discharged from the water collection cavity 18 through the drain pipe.

[0031] The circuits and controls involved in the present utility model are all prior arts and will not be elaborated here too much.

[0032] The above are only the embodiments of the present utility model, and thus do not limit the patent scope of the present utility model. All equivalent structural or equivalent process transformations made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, are similarly included in the patent protection scope of the present utility model.

Claims

1. A water supply and drainage pipe thawing device, characterized in that: It comprises an upper box body (1), a lower box body (2) is slidably provided at the bottom of the upper box body (1), a plurality of limiting mechanisms are provided at the top of the upper box body (1), the bottoms of the plurality of limiting mechanisms respectively pass through the upper box body (1) and extend into the interior of the lower box body (2), and the outer surfaces of the plurality of limiting mechanisms are respectively slidably connected to the inner surfaces of the upper box body (1) and the lower box body (2); The limiting mechanism comprises a movable column (3), the bottom of the movable column (3) extends out of the interior of the upper box body (1), the outer surface of the movable column (3) is slidably connected to the inner surface of the upper box body (1), arc blocks (4) are fixedly provided on both sides of the bottom of the movable column (3), a circular groove (5) is provided inside the lower box body (2), a connecting groove (6) communicating with the circular groove (5) is provided at the top of the lower box body (2), the bottoms of the two arc blocks (4) pass through the connecting groove (6) and extend into the interior of the circular groove (5), the outer surfaces of the two arc blocks (4) are slidably connected to the connecting groove (6) and the inner surface of the circular groove (5) respectively, a limiting groove (7) is formed on the inner side wall of the circular groove (5), the outer surfaces of the two arc blocks (4) are slidably connected to the inner surface of the limiting groove (7), an elastic member is fixedly provided inside the circular groove (5), and the top of the elastic member is slidably connected to the bottoms of the two arc blocks (4).

2. The water supply and drainage pipe thawing device according to claim 1, characterized in that: The elastic member comprises a spring (8), the spring (8) being fixedly arranged inside the circular groove (5), a circular block (9) being arranged at the top end of the spring (8), the top end of the circular block (9) being slidably connected to the bottom of the movable column (3) and the two arc-shaped blocks (4), and a power block (10) being fixedly arranged at the top end of the movable column (3).

3. The water supply and drainage pipe thawing device according to claim 2, characterized in that: An arc-shaped groove (13) is provided inside the lower box body (2), a storage battery (14) is slidably arranged inside the arc-shaped groove (13), and a heating switch (15) is fixedly arranged on one side of the outer surface of the lower box body (2).

4. The water supply and drainage pipe thawing device according to claim 3, characterized in that: Semicircular heating plates (21) are fixedly arranged inside the upper box body (1) and the lower box body (2), respectively; PTC heating elements (17) are fitted on opposite sides of the two semicircular heating plates (21), and both ends of the two PTC heating elements (17) are fixedly connected to the interior of the upper box body (1) and the lower box body (2), respectively.

5. The water supply and drainage pipe thawing device according to claim 4, characterized in that: A water collecting chamber (18) is provided inside the lower box body (2), a water collecting pipe (16) is provided inside the water collecting chamber (18), a PTC heating element (17) extends from the top end of the water collecting pipe (16), and the outer surface of the water collecting pipe (16) is fixedly connected to the inner surface of the PTC heating element (17).

6. The water supply and drainage pipe thawing device according to claim 5, characterized in that: A water discharge pipe (19) is provided inside the lower box body (2), the top end of the water discharge pipe (19) passes through the lower box body (2) and extends into the water collecting chamber (18), and the outer surface of the water discharge pipe (19) is fixedly connected to the inner surface of the lower box body (2).

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