Sealing device for escalator motor shell

Abstract

The utility model relates to an escalator motor shell sealing device, which belongs to the technical field of motor sealing and comprises a shell and an end cover, a first sealing gasket is mounted on the end face of the shell, a second sealing gasket is mounted on the end cover, a plurality of first annular raised lines are arranged on the first sealing gasket, and a plurality of second annular raised lines are arranged on the second sealing gasket. The second sealing gasket is provided with a plurality of first annular grooves used for being matched with the first annular protruding lines. The first sealing gasket and the second sealing gasket are equal in diameter, the diameter of the first sealing gasket and the diameter of the second sealing gasket are larger than the diameter of the end face of the shell and the diameter of the end cover, and the edges of the first sealing gasket and the second sealing gasket are sleeved with the sealing concave sleeves. The first annular convex pattern and the first annular groove between the first sealing gasket and the second sealing gasket are mutually nested to isolate external water vapor, and the edges of the first sealing gasket and the second sealing gasket are wrapped by the sealing concave sleeve, so that the sealing effect is further improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of motor sealing, and in particular relates to a sealing device for an escalator motor housing. Background Art

[0002] An escalator, or automatic pedestrian elevator, escalator, or electric escalator, is a means of transport that uses a conveyor belt to transport pedestrians. Escalators are generally inclined. When pedestrians stand on the automatic steps at one end of the escalator, they will be automatically taken to the other end of the escalator. The steps will remain level all the way, and the operation of the escalator is inseparable from the escalator motor.

[0003] The end cover and the housing of the existing escalator motor are usually sealed only with a sealing ring, which is difficult to prevent water vapor from entering the motor, and the sealing effect is poor in a humid working environment. Utility Model Content

[0004] In order to solve the above technical problems, the utility model further proposes an escalator motor housing sealing device.

[0005] The specific technical scheme of the utility model is as follows: an escalator motor housing sealing device, comprising: a housing and an end cover, a first sealing gasket is installed on the end face of the housing, a second sealing gasket is installed on the end cover, the first sealing gasket is provided with a plurality of first annular convex patterns, the second sealing gasket is provided with a plurality of first annular grooves for matching with the first annular convex patterns, the diameters of the first sealing gasket and the second sealing gasket are equal, the diameters of the first sealing gasket and the second sealing gasket are larger than the diameters of the end face of the housing and the end cover, and the edges of the first sealing gasket and the second sealing gasket are sheathed with sealing concave sleeves.

[0006] Furthermore, a plurality of screw rods are arranged in a circumferential array on the end surface of the shell, and a plurality of through holes for passing the screw rods are arranged in a circumferential array on the end cover, the first sealing gasket and the second sealing gasket.

[0007] Furthermore, a second annular convex pattern is arranged around the through hole of the first sealing gasket, and a second annular groove for cooperating with the second annular convex pattern is arranged around the through hole of the second sealing gasket.

[0008] Furthermore, the first sealing gasket is provided with a plurality of third annular ridges, the shell end surface is provided with a plurality of third annular grooves for cooperating with the third annular ridges, the second sealing gasket is provided with a plurality of fourth annular ridges, and the end cover is provided with a plurality of fourth annular grooves for cooperating with the fourth annular ridges.

[0009] Furthermore, the sealing concave sleeve is annularly integrally formed.

[0010] Furthermore, the sealing concave sleeve is strip-shaped, and locking buckles are provided at both ends of the sealing concave sleeve.

[0011] Beneficial effects:

[0012] In this application, a plurality of first annular ridges are provided on the first gasket, and a plurality of first annular grooves for cooperating with the first annular ridges are provided on the second gasket. The diameters of the first gasket and the second gasket are equal, and the diameters of the first gasket and the second gasket are larger than the diameters of the housing end face and the end cover. A sealing concave sleeve is sleeved on the edges of the first gasket and the second gasket, so that the first annular ridges and the first annular grooves between the first gasket and the second gasket are nested with each other to isolate external water vapor, and the edges of the first gasket and the second gasket are wrapped by the sealing concave sleeve, further improving the sealing effect. Description of the Drawings

[0013] Figure 1 is a schematic structural diagram of the present utility model;

[0014] Figure 2 is a schematic structural diagram of the first gasket of the present utility model;

[0015] Figure 3 is a schematic structural diagram of the second gasket of the present utility model;

[0016] Figure 4 is a schematic diagram of the installation position of the first gasket of the present utility model;

[0017] Figure 5 is a schematic structural diagram of the sealing concave sleeve of the present utility model;

[0018] Explanation of the marks in the figure:

[0019] Housing 1, end cover 2, first gasket 3, second gasket 4, first annular ridge 5, first annular groove 6, sealing concave sleeve 7, screw 8, second annular ridge 9, second annular groove 10, third annular ridge 11, third annular groove 12, fourth annular ridge 13, fourth annular groove 14, lock 15. Detailed Embodiments

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0021] In the description of the present utility model, it should be understood that the terms "upper", "middle", "outer", "inner", etc. indicating the orientation or position relationship are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0022] Embodiment 1: A sealing device for an escalator motor housing, comprising: a housing 1 and an end cover 2. A first sealing gasket 3 is installed on the end face of the housing 1, and a second sealing gasket 4 is installed on the end cover 2. A plurality of first annular ridges 5 are provided on the first sealing gasket 3, and a plurality of first annular grooves 6 for cooperating with the first annular ridges 5 are provided on the second sealing gasket 4. The diameters of the first sealing gasket 3 and the second sealing gasket 4 are equal, and the diameters of the first sealing gasket 3 and the second sealing gasket 4 are larger than the diameters of the end face of the housing 1 and the end cover 2. A sealing concave sleeve 7 is sleeved on the edges of the first sealing gasket 3 and the second sealing gasket 4. In this application, a plurality of first annular ridges 5 are provided on the first sealing gasket 3, a plurality of first annular grooves 6 for cooperating with the first annular ridges 5 are provided on the second sealing gasket 4, the diameters of the first sealing gasket 3 and the second sealing gasket 4 are equal, the diameters of the first sealing gasket 3 and the second sealing gasket 4 are larger than the diameters of the end face of the housing 1 and the end cover 2, and a sealing concave sleeve 7 is sleeved on the edges of the first sealing gasket 3 and the second sealing gasket 4, so that the first annular ridges 5 and the first annular grooves 6 between the first sealing gasket 3 and the second sealing gasket 4 are nested with each other to isolate external water vapor, and the edges of the first sealing gasket 3 and the second sealing gasket 4 are wrapped by the sealing concave sleeve 7, further improving the sealing effect.

[0023] Embodiment 2: On the basis of Embodiment 1, a plurality of screw rods 8 are arranged in a circumferential array on the end face of the housing 1, and a plurality of through holes for passing through the screw rods 8 are arranged in a circumferential array on the end cover 2, the first sealing gasket 3 and the second sealing gasket 4. In this application, a plurality of screw rods 8 are arranged in a circumferential array on the end face of the housing 1, and a plurality of through holes for passing through the screw rods 8 are arranged in a circumferential array on the end cover 2, the first sealing gasket 3 and the second sealing gasket 4, avoiding the interference of the bolt screw rods placed outside on the sealing concave sleeve 7 during installation and improving the installation efficiency.

[0024] Embodiment 3: On the basis of Embodiment 2, a second annular ridge 9 is provided around the through hole of the first sealing gasket 3, and a second annular groove 10 for cooperating with the second annular ridge 9 is provided around the through hole of the second sealing gasket 4. In this application, a second annular ridge 9 is provided around the through hole of the first sealing gasket 3, and a second annular groove 10 for cooperating with the second annular ridge 9 is provided around the through hole of the second sealing gasket 4, avoiding water vapor from entering the motor interior through the through hole and further improving the sealing effect.

[0025] Embodiment 4: On the basis of Embodiment 3, a plurality of third annular ridges 11 are provided on the first gasket 3, a plurality of third annular grooves 12 for cooperating with the third annular ridges 11 are provided on the end face of the housing 1, a plurality of fourth annular ridges 13 are provided on the second gasket 4, and a plurality of fourth annular grooves 14 for cooperating with the fourth annular ridges 13 are provided on the end cover 2. In this application, by providing a plurality of third annular ridges 11 on the first gasket 3, a plurality of third annular grooves 12 for cooperating with the third annular ridges 11 on the end face of the housing 1, a plurality of fourth annular ridges 13 on the second gasket 4, and a plurality of fourth annular grooves 14 for cooperating with the fourth annular ridges 13 on the end cover 2, the sealing between the end face of the housing 1 and the first gasket 3 and between the end cover 2 and the second gasket 4 is made more tight, further isolating external water vapor, and thus improving the sealing effect.

[0026] Embodiment 5: On the basis of Embodiment 4, the sealing concave sleeve 7 is integrally formed in a ring shape. In this application, by integrally forming the sealing concave sleeve 7 in a ring shape, the sealing between the sealing concave sleeve 7 and the first gasket 3 and the second gasket 4 is made more tight, and thus the sealing effect is better.

[0027] Embodiment 6: On the basis of Embodiment 4, the sealing concave sleeve 7 is in a strip shape, and locking latches 15 are provided at both ends of the sealing concave sleeve 7. In this application, by the sealing concave sleeve 7 being in a strip shape and locking latches 15 being provided at both ends of the sealing concave sleeve 7, the installation of the sealing concave sleeve 7 is made more convenient, and thus the usability is improved.

[0028] Working process:

[0029] When installing the end cover 2, first align the through hole on the end cover 2 with the screw rod 8, press the end cover 2 until it contacts the first gasket 3 and the second gasket 4, and use bolts to fasten until the end cover 2 is completely fixed. Subsequently, use the sealing concave sleeve 7 to wrap the edges of the first gasket 3 and the second gasket 4, and finally fasten the locking latches 15. Thus, the installation of the end cover 2 is completed.

[0030] In the description of this specification, the description with reference to terms such as "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0031] The preferred embodiments of the present utility model disclosed above are only used to help illustrate the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification in order to better explain the principle and practical application of the present utility model, so that those skilled in the relevant technical field can well understand and utilize the present utility model. The present utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A sealing device for an escalator motor housing, characterized in that Including: A housing (1) and an end cover (2). A first gasket (3) is installed on the end face of the housing (1), and a second gasket (4) is installed on the end cover (2). A plurality of first annular ridges (5) are provided on the first gasket (3), and a plurality of first annular grooves (6) for cooperating with the first annular ridges (5) are provided on the second gasket (4). The first gasket (3) and the second gasket (4) have the same diameter, and the diameters of the first gasket (3) and the second gasket (4) are larger than the diameters of the end face of the housing (1) and the end cover (2). A sealing concave sleeve (7) is sleeved on the edges of the first gasket (3) and the second gasket (4).

2. The sealing device for the escalator motor housing according to claim 1, characterized in that, A plurality of screws (8) are circumferentially and arrayed on the end face of the housing (1), and a plurality of through holes for passing through the screws (8) are circumferentially and arrayed on the end cover (2), the first gasket (3) and the second gasket (4).

3. The sealing device for the escalator motor housing according to claim 2, characterized in that, A second annular ridge (9) is provided around the through hole of the first gasket (3), and a second annular groove (10) for cooperating with the second annular ridge (9) is provided around the through hole of the second gasket (4).

4. The sealing device for an escalator motor housing according to claim 3, characterized in that, A plurality of third annular ridges (11) are provided on the first gasket (3), and a plurality of third annular grooves (12) for cooperating with the third annular ridges (11) are provided on the end face of the housing (1). A plurality of fourth annular ridges (13) are provided on the second gasket (4), and a plurality of fourth annular grooves (14) for cooperating with the fourth annular ridges (13) are provided on the end cover (2).

5. The sealing device for an escalator motor housing according to claim 4, wherein The sealing concave sleeve (7) is integrally formed in a ring shape.

6. The sealing device for an escalator motor housing according to claim 4, wherein, The sealing concave sleeve (7) is in a strip shape, and locking buckles (15) are provided at both ends of the sealing concave sleeve (7).

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