Directly-buried corrugated pipe compensator

Abstract

The utility model provides a direct burial type corrugated pipe compensator, which relates to the technical field of direct burial type corrugated pipe compensators, and comprises first flange pieces, an anti-corrosion mechanism is arranged on the outer side of one of the first flange pieces, the anti-corrosion mechanism comprises two fixed cylinders, one ends, close to each other, of the two fixed cylinders are jointly and fixedly connected with a hose, and the hose is fixedly connected with the first flange pieces. Wherein the outer surface of one fixing cylinder fixedly communicates with an air inlet pipe, the outer surface of the air inlet pipe is in threaded connection with a first extension cylinder, the top end of the first extension cylinder is fixedly connected with a first protection plate, and the outer surface of the other fixing cylinder fixedly communicates with an air outlet pipe. According to the directly-buried corrugated pipe compensator, the fixing barrel and the hose are matched with each other, the corrugated pipe can be surrounded through the fixing barrel and the hose, a good working space is provided for the corrugated pipe, and external air can be sucked into the space between the corrugated pipe and the fixing barrel through the cooperation of the air inlet pipe; therefore, the interior of the space can be communicated with the external space, and condensed water drops are prevented.

Description

Technical Field

[0001] The utility model relates to a bellows compensator, in particular to a directly buried bellows compensator, belonging to the technical field of directly buried bellows compensators. Background Art

[0002] The direct buried bellows compensator is a device specially used as an expansion element on direct buried pipelines. It is also called direct buried bellows expansion joint or direct buried compensator. Its main function is to absorb the thermal expansion and contraction, displacement and vibration of the pipeline to protect the pipeline and extend its service life. The direct buried bellows compensator is mainly composed of a connecting pipe, a bellows and an outer sleeve.

[0003] A direct-buried bellows compensator disclosed in Chinese patent application publication specification CN218845427U is provided with a brush, which drives the blades to rotate through water flow, and then drives the brushes to rotate through a rotating rod, and then enables the brushes to rotate inside the bellows body, thereby preventing dirt from accumulating in the groove inside the bellows body, thereby extending the service life of the bellows body.

[0004] However, the technical solution in the above-mentioned comparative document cannot solve the problem of water droplets generated on the inner wall of the casing. As hot water is transferred inside the bellows, the heat will be transferred to the enclosed space between the casing and the bellows, and the outer side of the casing is in contact with a large amount of soil, resulting in a large number of water droplets on the inner wall of the casing, which will corrode the inner wall of the casing and reduce the overall service life of the device. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The purpose of the utility model is to provide a direct-buried bellows compensator in order to solve the above-mentioned problem, so as to solve the problem in the prior art that water droplets will corrode the inner wall of the casing, resulting in a reduced service life.

[0007] (II) Technical solution

[0008] The utility model is implemented through the following technical scheme: a direct-buried bellows compensator, comprising a first flange, one of the first flanges is provided with an anti-corrosion mechanism on the outer side, the anti-corrosion mechanism comprises two fixed tubes, the ends of the two fixed tubes close to each other are commonly fixedly connected with a hose, the outer surface of one of the fixed tubes is fixedly connected with an air inlet pipe, the outer surface of the air inlet pipe is threadedly connected with a first extension tube, the top of the first extension tube is fixedly connected with a first protective plate, the outer surface of the other fixed tube is fixedly connected with an air outlet pipe, the inner wall of the air outlet pipe is fixedly connected with a cross plate, the upper surface of the cross plate is fixedly connected with a fan, the outer surface of the air outlet pipe is threadedly connected with a second extension tube, and the top of the second extension tube is fixedly connected with a second protective plate.

[0009] Preferably, the sides of the two first flanges close to each other are fixedly connected with a connecting tube, and the outer surface of each connecting tube is fixedly connected to the inner wall of the fixing tube. The connecting tube can provide a fixed position for the fixing tube.

[0010] Preferably, the two connecting tubes are fixedly connected to a corrugated pipe on one side thereof close to each other, and a second flange is arranged on the outer side of each of the first flanges, and the device can be connected to the pipeline through the second flange for easy docking.

[0011] Preferably, two groups of circular blocks are fixedly connected to the side surfaces of the two first flanges that are away from each other, and each group of circular blocks has two circular blocks. A first groove is provided on the outer surface of each circular block, and the second flange can be fixed by the circular block and the first groove on the surface.

[0012] Preferably, the outer surface of each second flange is provided with two groups of second grooves, and the side surfaces of the two second flanges close to each other are respectively in contact with the side surfaces of the two first flanges far away from each other. The second grooves are grooves opened in advance inside the second flanges to facilitate docking.

[0013] Preferably, the interior of each of the first card slot and the interior of the second card slot are jointly clamped with a limiting column, and the bottom surface of the first protective plate contacts the top of the air inlet pipe. The limiting column can be used to clamp the interior of the first card slot and the second card slot, thereby facilitating fixation.

[0014] Preferably, one end of each of the limiting columns away from the second flange is fixedly connected to a pulling handle, and the bottom surface of the second protective plate is in contact with the top of the air outlet pipe. The handle can be used to conveniently apply pulling force to the limiting column.

[0015] The utility model provides a directly buried bellows compensator, which has the following beneficial effects:

[0016] 1. The direct-buried bellows compensator, by providing a fixed tube and a hose that cooperate with each other, can surround the bellows through the fixed tube and the hose, providing a better working space for the bellows, and cooperates with the air inlet pipe to draw outside air into the space between the bellows and the fixed tube, thereby ensuring that the inside of the space can be connected with the outside space to prevent condensation of water droplets.

[0017] 2. The directly buried bellows compensator is provided with an air outlet pipe, a cross plate and a fan that cooperate with each other. The fan can be fixed by the cross plate, and the operation of the fan can draw out the air between the bellows and the fixed tube, and finally discharge it to the outside through the air outlet pipe and the second extension tube. The second extension tube can utilize the threaded connection between the inner wall and the outer surface of the air outlet pipe to achieve an extension effect, which is used to solve the problem of burying the device to different depths in different regions, thereby avoiding the problem that a large amount of water droplets will condense on the inner wall of the protective tube when the device is in operation, resulting in a reduced service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the air outlet pipe structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the first card slot structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the second card slot structure of the utility model.

[0022] Description of Reference Numerals

[0023] 1. The first flange;

[0024] 2. Anti-corrosion mechanism; 201. Hose; 202. First extension tube; 203. First protection plate; 204. Second protection plate; 205. Second extension tube; 206. Fixed tube; 207. Air inlet pipe; 208. Fan; 209. Air outlet pipe; 210. Cross plate;

[0025] 3. Pull the handle; 4. Limit column;

[0026] 5. Round block; 6. First slot; 7. Second flange; 8. Second slot; 9. Connecting tube; 10. Bellows. DETAILED DESCRIPTION

[0027] The embodiment of the utility model provides a directly buried bellows compensator.

[0028] See also Figure 1 , Figure 2 and Figure 4, including a first flange 1, wherein an anti-corrosion mechanism 2 is arranged on the outer side of one of the first flanges 1, the anti-corrosion mechanism 2 includes two fixing tubes 206, and the side surfaces of the two first flanges 1 close to each other are fixedly connected with connecting tubes 9, and the outer surface of each connecting tube 9 is fixedly connected to the inner wall of the fixing tube 206. By providing the connecting tube 9, the fixing tube 206 can be fixed by the connecting tube 9, thereby providing a better fixing position for the fixing tube 206.

[0029] See also Figure 1 , Figure 2 and Figure 3 The ends of the two fixed cylinders 206 that are close to each other are commonly fixedly connected with a hose 201, and the sides of the two connecting cylinders 9 that are close to each other are commonly fixedly connected with a bellows 10. A second flange 7 is arranged on the outer side of each first flange 1. By arranging the bellows 10, the device can be operated normally by utilizing the bellows 10, which plays a leading role.

[0030] See also Figure 1 , Figure 2 and Figure 4 The outer surface of one of the fixed cylinders 206 is fixedly connected to an air inlet pipe 207, and the outer surface of the air inlet pipe 207 is threadedly connected to the first extension cylinder 202. Two first flanges 1 are fixedly connected to two groups of circular blocks 5 on the side away from each other, and each group of circular blocks 5 has two circular blocks. The outer surface of each circular block 5 is provided with a first groove 6. By providing the circular block 5 and the first groove 6, it can be connected to the second flange 7 through the circular block 5 and the first groove 6, which is convenient for fixation.

[0031] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The top of the first extension tube 202 is fixedly connected to the first protective plate 203, the outer surface of another fixed tube 206 is fixedly connected to the air outlet pipe 209, the inner wall of the air outlet pipe 209 is fixedly connected to the cross plate 210, and the upper surface of the cross plate 210 is fixedly connected to the fan 208. Two groups of second grooves 8 are provided on the outer surface of each second flange 7, and the side surfaces of the two second flanges 7 that are close to each other are respectively in contact with the side surfaces of the two first flanges 1 that are far away from each other. By providing the second grooves 8, they can cooperate with the first grooves 6 to achieve a better auxiliary effect.

[0032] See also Figure 2 and Figure 4The outer surface of the air outlet pipe 209 is threadedly connected with the second extension tube 205, and the interior of each first slot 6 and the interior of the second slot 8 are jointly clamped with the limiting column 4. The bottom surface of the first protective plate 203 is in contact with the top of the air inlet pipe 207. By setting the limiting column 4, the limiting column 4 can be clamped with the first slot 6 and the second slot 8, so that the first flange 1 and the second flange 7 are connected together.

[0033] See also Figure 1 and Figure 4 The top of the second extension tube 205 is fixedly connected to the second protective plate 204, and the end of each limiting column 4 away from the second flange 7 is fixedly connected to the pulling handle 3. The bottom surface of the second protective plate 204 is in contact with the top of the outlet pipe 209. By providing the pulling handle 3, it is convenient to apply pulling force to the limiting column 4 by pulling the handle 3, thereby facilitating its removal.

[0034] When the utility model is in use: first, the fan 208 is connected to the power supply. When the power supply is connected, the device can be used normally. When the device needs to be installed, the device can be placed in a suitable position, and then the two second flanges 7 are guided to approach the first flange 1. Note that the other end of each second flange 7 is a connected water pipe. When the circular block 5 fixed on one side of each first flange 1 penetrates into the interior of the second flange 7, the limiting column 4 can limit the two through the first card slot 8 and the second card slot 6 to connect the two together. Then the first extension cylinder 202 and the second extension cylinder 205 can be rotated so that the first protective plate 203 and the second protective plate 204 fixed on the top of the two exceed On the ground, when hot water is being transported, the staff can control the operation of the fan 208 together. When the fan 208 is running, it will drive the fan blades to rotate, thereby extracting the heat in the space between the two fixed cylinders 206, the hose 201 and the bellows 10. The extracted heat will be discharged to the outside space through the exhaust pipe 209. Since the fan 208 extracts the heat in the space between the fixed cylinder 206, the hose 201 and the bellows 10, the pressure difference between the inside and outside of the space is large at this time, and a negative pressure situation will be formed. Therefore, the outside air will enter the space through the air inlet pipe 207 to complete the air alternation, thereby effectively avoiding the condensation of water droplets inside the device, causing the device to be corroded and reducing its service life.

[0035] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A directly buried bellows compensator, comprising a first flange (1), characterized in that: An anti-corrosion mechanism (2) is provided on the outer side of one of the first flanges (1), and the anti-corrosion mechanism (2) includes two fixed tubes (206), and the ends of the two fixed tubes (206) close to each other are fixedly connected to a hose (201), the outer surface of one of the fixed tubes (206) is fixedly connected to an air inlet pipe (207), the outer surface of the air inlet pipe (207) is threadedly connected to a first extension tube (202), the top of the first extension tube (202) is fixedly connected to a first protective plate (203), the outer surface of the other fixed tube (206) is fixedly connected to an air outlet pipe (209), the inner wall of the air outlet pipe (209) is fixedly connected to a cross plate (210), the upper surface of the cross plate (210) is fixedly connected to a fan (208), the outer surface of the air outlet pipe (209) is threadedly connected to a second extension tube (205), and the top of the second extension tube (205) is fixedly connected to a second protective plate (204).

2. A directly buried bellows compensator according to claim 1, characterized in that: A connecting tube (9) is fixedly connected to the side surfaces of the two first flanges (1) that are close to each other, and the outer surface of each connecting tube (9) is fixedly connected to the inner wall of the fixing tube (206).

3. A directly buried bellows compensator according to claim 2, characterized in that: A corrugated pipe (10) is fixedly connected to the mutually adjacent side surfaces of the two connecting tubes (9), and a second flange (7) is arranged on the outer side of each of the first flanges (1).

4. The direct buried bellows compensator according to claim 1 is characterized in that: Two groups of circular blocks (5) are fixedly connected to the side surfaces of the two first flanges (1) that are away from each other, each group of the circular blocks (5) has two circular blocks, and the outer surface of each circular block (5) is provided with a first clamping groove (6).

5. A directly buried bellows compensator according to claim 3, characterized in that: Two groups of second grooves (8) are formed on the outer surface of each second flange (7), and the side surfaces of the two second flanges (7) that are close to each other are in contact with the side surfaces of the two first flanges (1) that are far away from each other.

6. A directly buried bellows compensator according to claim 4, characterized in that: The interior of each of the first clamping slots (6) and the interior of the second clamping slots (8) are both clamped with a limiting column (4), and the bottom surface of the first protective plate (203) is in contact with the top end of the air inlet pipe (207).

7. A directly buried bellows compensator according to claim 6, characterized in that: One end of each of the limiting columns (4) away from the second flange (7) is fixedly connected to a pulling handle (3), and the bottom surface of the second protective plate (204) is in contact with the top end of the air outlet pipe (209).

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