Sealing structure of electric roller

Abstract

The utility model discloses a sealing structure of an electric roller, which comprises a roller, a fixing ring is provided with a plurality of groups of inflation rings, and polypropylene moisture absorption rings and the inflation rings are attached to the inner wall of the roller; through the design of a fixing ring, an inflation ring, an inflation pipe, a polypropylene moisture absorption ring and other structures, after a first sealing cover is installed, the polypropylene moisture absorption ring can be attached to the inner wall of the roller, the inflation ring can be inflated through the inflation pipe, the inflation ring is inflated and expanded, and the inflation ring can be tightly attached to the inner wall of the roller; the roller can be sealed again through the multiple sets of inflation rings, so that after the first sealing gasket is corroded and damaged, the roller can be sealed through the multiple sets of inflation rings, the sealing effect on the roller can be improved, corrosive liquid can be absorbed through a polypropylene moisture absorption ring, the corrosive liquid can be prevented from spreading in the roller, and therefore the service life of the inflation rings can be prolonged; the sealing effect on the electric roller can be improved, and the service life of the internal structure of the electric roller can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of electric rollers, in particular to a sealing structure of an electric roller. Background Art

[0002] As the transmission component of belt conveyor, electric drum has been widely used in belt conveying equipment and plays an increasingly important role.

[0003] At present, the existing electric roller has the problem of poor sealing effect when in use. The sealing structure is easily corroded and enters the interior of the electric roller, contaminating and corroding the internal structure of the electric roller. Therefore, we need to propose a sealing structure for the electric roller. Utility Model Content

[0004] The purpose of the utility model is to provide a sealing structure of an electric drum, which can improve the sealing effect of the electric drum and prolong the service life of the internal structure of the electric drum, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A sealing structure for an electric drum comprises a drum, wherein a first sealing cover and a second sealing cover are fixedly installed at both ends of the drum respectively, a rotating shaft is arranged inside the drum, and the rotating shaft is movably installed inside the first sealing cover and the second sealing cover, the sides of the first sealing cover and the second sealing cover are fixedly connected with fixing rings, the fixing rings are inserted into the drum, the fixing rings are provided with multiple groups of inflatable rings, the multiple groups of inflatable rings are provided with connecting pipes, adjacent inflatable rings are connected by connecting pipes, one group of inflatable rings is connected with an inflating pipe, a polypropylene moisture absorption ring is arranged on the surface of the fixing ring, and the polypropylene moisture absorption ring and the inflatable ring are both in contact with the inner wall of the drum.

[0007] Preferably, a retaining ring is fixedly connected to the inner wall of the drum, a second sealing gasket is provided on the side of the retaining ring, and an end of the fixing ring is pressed against the side of the second sealing gasket.

[0008] Preferably, first sealing gaskets are disposed on the sides of the first sealing cover and the second sealing cover, and the sides of the first sealing gaskets are in contact with the ends of the drum.

[0009] Preferably, a mounting groove is provided on the surface of the fixing ring, the inflatable ring is arranged in the mounting groove, a mounting hole is provided on the fixing ring, the mounting hole is communicated with the mounting groove, and the connecting pipe is arranged in the mounting hole.

[0010] Preferably, the sides of the first sealing cover and the second sealing cover are both provided with avoidance grooves, the end of the inflation tube is arranged in the avoidance groove, and the end of the inflation tube is sealed with a leak-proof cover.

[0011] Preferably, sealing blocks for sealing the avoidance groove are fixedly mounted on the sides of the first sealing cover and the second sealing cover, and third sealing gaskets are arranged on the sides of the sealing blocks, and the third sealing gaskets are fitted with the sides of the first sealing cover and the second sealing cover.

[0012] Preferably, the sides of the first sealing cover and the second sealing cover are provided with multiple groups of hollow columns in a circular array, and positioning holes corresponding to the multiple groups of hollow columns are opened at both ends of the drum, and the hollow columns are inserted into the positioning holes. The first sealing cover and the second sealing cover are provided with fixing screws, and the ends of the fixing screws pass through the hollow columns, and the fixing screws are threadedly installed in the drum.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] Through the design of structures such as the fixing ring, the inflatable ring, the inflatable tube and the polypropylene moisture absorption ring, after the first sealing cover is installed, the polypropylene moisture absorption ring will fit with the inner wall of the drum, and air can be inflated into the inflatable ring through the inflatable tube to inflate the inflatable ring so that the inflatable ring can be tightly attached to the inner wall of the drum, and the drum can be sealed again through multiple groups of inflatable rings, so that after the first sealing gasket is corroded and damaged, the drum can be sealed through multiple groups of inflatable rings, which can improve the sealing effect of the drum, and the corrosive liquid can be absorbed by the polypropylene moisture absorption ring to prevent the corrosive liquid from spreading in the drum, thereby increasing the service life of the inflatable ring. The utility model can improve the sealing effect of the electric drum and extend the service life of the internal structure of the electric drum. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a partial cross-sectional structural schematic diagram of the utility model;

[0017] Figure 3 For this utility model Figure 2 Schematic diagram of the structure of the enlarged area A in the middle;

[0018] Figure 4 It is a partial structural schematic diagram of the utility model;

[0019] Figure 5 It is a schematic diagram of the structure of the fixing ring and the inflatable ring of the utility model.

[0020] In the figure: 1. roller; 2. first sealing cover; 3. first sealing gasket; 4. fixing ring; 5. mounting groove; 6. inflation ring; 7. connecting pipe; 8. mounting hole; 9. polypropylene moisture absorption ring; 10. retaining ring; 11. second sealing gasket; 12. avoidance groove; 13. sealing block; 14. third sealing gasket; 15. rotating shaft; 16. second sealing cover; 17. hollow column; 18. positioning hole; 19. fixing screw; 20. inflation tube. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 The utility model provides a technical solution: a sealing structure of an electric drum 1, comprising a drum 1, a first sealing cover 2 and a second sealing cover 16 are fixedly installed at both ends of the drum 1, a rotating shaft 15 is arranged in the drum 1, the rotating shaft 15 is movably installed in the first sealing cover 2 and the second sealing cover 16, the sides of the first sealing cover 2 and the second sealing cover 16 are fixedly connected with a fixing ring 4, the fixing ring 4 is plugged into the drum 1, the fixing ring 4 is provided with a plurality of groups of inflatable rings 6, the plurality of groups of inflatable rings 6 are provided with connecting pipes 7, adjacent inflatable rings 6 are connected through the connecting pipes 7, a group of inflatable rings 6 is connected with an inflatable pipe 20, a polypropylene moisture absorption ring 9 is arranged on the surface of the fixing ring 4, the polypropylene moisture absorption ring 9 and the inflatable ring 6 are both in contact with the inner wall of the drum 1;

[0023] By setting the inflatable ring 6, the inflatable tube 20 can be inflated through the air supply device, and the air can be transported to the inflatable ring 6 through the inflatable tube 20, so that the inflatable ring 6 can be closely attached to the inner wall of the drum 1, and the drum 1 can be sealed again through multiple groups of inflatable rings 6, so that after the first sealing gasket 3 is corroded and damaged, the drum 1 can be sealed through multiple groups of inflatable rings 6, which can improve the sealing effect of the drum 1, and the corrosive liquid can be absorbed by the polypropylene moisture absorption ring 9 to prevent the corrosive liquid from spreading in the drum 1, thereby improving the service life of the inflatable ring 6;

[0024] A retaining ring 10 is fixedly connected to the inner wall of the drum 1, a second sealing gasket 11 is arranged on the side of the retaining ring 10, and the end of the fixing ring 4 is pressed against the side of the second sealing gasket 11;

[0025] By setting the retaining ring 10, after the first sealing cover 2 and the second sealing cover 16 are installed, the fixing ring 4 is pressed against the second sealing gasket 11, so that the inside of the drum 1 can be sealed again, which can improve the sealing effect of the drum 1;

[0026] The first sealing cover 2 and the second sealing cover 16 are both provided with a first sealing gasket 3, and the side of the first sealing gasket 3 is in contact with the end of the drum 1;

[0027] The surface of the fixing ring 4 is provided with a mounting groove 5, the inflatable ring 6 is arranged in the mounting groove 5, the fixing ring 4 is provided with a mounting hole 8, the mounting hole 8 is communicated with the mounting groove 5, and the connecting pipe 7 is arranged in the mounting hole 8;

[0028] The first sealing cover 2 and the second sealing cover 16 are both provided with an avoidance groove 12 on their sides, the end of the inflation tube 20 is arranged in the avoidance groove 12, and a leak-proof cover is sealed and installed on the end of the inflation tube 20. The first sealing cover 2 and the second sealing cover 16 are both fixedly installed with a sealing block 13 for sealing the avoidance groove 12, and the side of the sealing block 13 is provided with a third sealing gasket 14, and the third sealing gasket 14 is in contact with the side of the first sealing cover 2 and the second sealing cover 16;

[0029] By disposing the third sealing gasket 14, the third sealing gasket 14 can prevent the corrosive liquid from entering the avoidance groove 12;

[0030] The sides of the first sealing cover 2 and the second sealing cover 16 are both provided with a plurality of groups of hollow columns 17 in an annular array, and both ends of the drum 1 are provided with positioning holes 18 corresponding to the plurality of groups of hollow columns 17, and the hollow columns 17 are inserted into the positioning holes 18. The first sealing cover 2 and the second sealing cover 16 are both provided with fixing screws 19, and the ends of the fixing screws 19 pass through the hollow columns 17, and the fixing screws 19 are threadedly installed in the drum 1;

[0031] By providing the hollow column 17 and inserting the hollow column 17 into the positioning hole 18 , the first sealing cover 2 and the second sealing cover 16 can be positioned when they are installed, thereby facilitating the installation of the first sealing cover 2 and the second sealing cover 16 .

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sealing structure for an electric drum, comprising a drum (1), characterized in that: A first sealing cover (2) and a second sealing cover (16) are fixedly mounted on both ends of the drum (1), a rotating shaft (15) is arranged inside the drum (1), and the rotating shaft (15) is movably mounted inside the first sealing cover (2) and the second sealing cover (16), the sides of the first sealing cover (2) and the second sealing cover (16) are fixedly connected with a fixing ring (4), the fixing ring (4) is plugged into the drum (1), the fixing ring (4) is provided with a plurality of groups of inflatable rings (6), the plurality of groups of inflatable rings (6) are provided with connecting pipes (7), adjacent inflatable rings (6) are connected via the connecting pipes (7), one group of inflatable rings (6) is connected with an inflatable pipe (20), a polypropylene moisture absorption ring (9) is arranged on the surface of the fixing ring (4), the polypropylene moisture absorption ring (9) and the inflatable ring (6) are both in contact with the inner wall of the drum (1).

2. The sealing structure of a motorized drum according to claim 1, characterized in that: A retaining ring (10) is fixedly connected to the inner wall of the drum (1), a second sealing gasket (11) is provided on the side of the retaining ring (10), and the end of the fixing ring (4) is pressed against the side of the second sealing gasket (11).

3. The sealing structure of a motorized drum according to claim 1, characterized in that: The first sealing cover (2) and the second sealing cover (16) are both provided with first sealing gaskets (3) on their sides, and the side of the first sealing gasket (3) is in contact with the end of the drum (1).

4. The sealing structure of a motorized drum according to claim 1, characterized in that: The surface of the fixing ring (4) is provided with a mounting groove (5), the inflation ring (6) is arranged in the mounting groove (5), the fixing ring (4) is provided with a mounting hole (8), the mounting hole (8) is communicated with the mounting groove (5), and the connecting pipe (7) is arranged in the mounting hole (8).

5. The sealing structure of a motorized drum according to claim 1, characterized in that: The first sealing cover (2) and the second sealing cover (16) are both provided with avoidance grooves (12) on their sides, the end of the inflation tube (20) is arranged in the avoidance groove (12), and the end of the inflation tube (20) is sealed with a leak-proof cover.

6. The sealing structure of a motorized drum according to claim 5, characterized in that: A sealing block (13) for sealing the avoidance groove (12) is fixedly mounted on the side of the first sealing cover (2) and the second sealing cover (16); a third sealing gasket (14) is arranged on the side of the sealing block (13); and the third sealing gasket (14) is fitted with the side of the first sealing cover (2) and the second sealing cover (16).

7. The sealing structure of a motorized drum according to claim 1, characterized in that: The sides of the first sealing cover (2) and the second sealing cover (16) are both provided with a plurality of groups of hollow columns (17) in an annular array, and positioning holes (18) corresponding to the plurality of groups of hollow columns (17) are provided at both ends of the drum (1), and the hollow columns (17) are inserted into the positioning holes (18). The first sealing cover (2) and the second sealing cover (16) are both provided with fixing screws (19), and the ends of the fixing screws (19) pass through the hollow columns (17), and the fixing screws (19) are threadedly installed in the drum (1).

Images