CN216618539U - Waterproof sealing structure for rotating surface - Google Patents
Waterproof sealing structure for rotating surface Download PDFInfo
- Publication number
- CN216618539U CN216618539U CN202220057725.4U CN202220057725U CN216618539U CN 216618539 U CN216618539 U CN 216618539U CN 202220057725 U CN202220057725 U CN 202220057725U CN 216618539 U CN216618539 U CN 216618539U
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- China
- Prior art keywords
- half shell
- waterproof
- fixed cover
- side wall
- sealing
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 title claims abstract description 62
- 230000000694 effects Effects 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 6
- 239000004576 sand Substances 0.000 description 5
- 239000003292 glue Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Sealing Devices (AREA)
Abstract
A waterproof sealing structure for rotor surface, relate to the sealed technical field of rotor surface, including setting up the casing at the rotor surface top, the round hole has been seted up on the rotor surface, fixed cover under the fixedly connected with in the round hole, it is connected with the pivot to rotate through first waterproof bearing in the fixed cover down, the lateral wall of pivot is fixed with a plurality of spacing collars, the top department that the lateral wall of pivot is located the spacing collar is provided with fixed cover, the pivot is connected inside last fixed cover through the rotation of second waterproof bearing, the top of casing and the lateral wall sealing connection of last fixed cover, the bottom of casing and the lateral wall sealing connection of fixed cover down, a plurality of and spacing collar matched with ring channel have been seted up in the casing. The upper fixing sleeve, the lower fixing sleeve and the shell are arranged outside the rotating shaft, the side wall of the rotating shaft is provided with the plurality of layers of limiting rings, the limiting rings are correspondingly arranged in the annular groove in the shell, and the connecting part of the rotating shaft and the rotating surface is subjected to multi-layer waterproof sealing through the matching of the annular groove and the limiting rings, so that the integral sealing effect is improved.
Description
Technical Field
The utility model relates to the technical field of rotating surface sealing, in particular to a waterproof sealing structure for a rotating surface.
Background
At present, a rotating shaft and a rotating surface are generally connected in a rotating mode through a waterproof bearing, if a power side and an output side of the rotating surface are in different working environments, a sealing structure generally needs to be arranged between the rotating shaft and the rotating surface, the rotating shaft can rotate relative to the rotating surface, meanwhile, the sealing performance between the rotating shaft and the rotating surface can be improved, and then the existing sealing structure is generally single-layer sealing, so that the sealing effect is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides a waterproof sealing structure for a rotating surface.
The technical scheme is as follows: including setting up the casing at the rotating surface top, the round hole has been seted up on the rotating surface, fixed cover under the downthehole fixedly connected with of round hole, rotate through first waterproof bearing in the fixed cover down and be connected with the pivot, the lateral wall of pivot is fixed with a plurality of spacing rings, the lateral wall of pivot is located the top department of spacing ring is provided with fixed cover, the pivot passes through the waterproof bearing of second and rotates to be connected fixed cover inside, the top of casing with go up the lateral wall sealing connection of fixed cover, the bottom of casing with the lateral wall sealing connection of fixed cover down, seted up in the casing a plurality of with spacing ring matched with ring channel.
Preferably, the lateral wall of pivot is located the lateral wall fixedly connected with shade at last fixed cover top, the top surface of going up the fixed cover outwards extend and with leave the gap between the shade.
Preferably, the outer edge of the first waterproof bearing and the joint of the inner side wall of the lower fixed sleeve, the inner edge of the first waterproof bearing and the joint of the side wall of the rotating shaft, the outer edge of the second waterproof bearing and the joint of the inner side wall of the upper fixed sleeve, and the inner edge of the second waterproof bearing and the joint of the side wall of the rotating shaft are provided with sealing strips.
Preferably, the inner side wall of the annular groove is provided with a ball groove, a plurality of balls are rotatably connected in the ball groove, and the outer side wall of the limit ring is in contact with the surfaces of the balls.
Preferably, the casing by first half shell and second half shell are cut apart into to the axis place plane of pivot, the junction of first half shell and second half shell all is equipped with the connection piece, first half shell and second half shell counterpoint and correspond the mounting hole has been seted up on the connection piece, through bolt, nut with the mounting hole cooperation will first half shell and second half shell are fixed.
Preferably, half first shell the inside of half second shell is close to top and bottom department and has all seted up the joint groove, go up fixed cover down the equal fixedly connected with of lateral wall of fixed cover with joint groove matched with joint strip, go up fixed cover down the lateral wall of fixed cover still fixedly connected with rubber seal, rubber seal is located the top and the bottom of joint strip.
Preferably, first half shell with the connection face of second half shell is provided with seal structure, seal structure is including being located the recess on the connection face of first half shell, and be located the sand grip on the connection face of second half shell, the recess with sand grip cooperation joint, fixedly connected with rubber layer in the recess.
The utility model provides a waterproof sealing structure for a rotating surface, which has the advantages that:
(1): the upper fixing sleeve, the lower fixing sleeve and the shell are arranged outside the rotating shaft, the side wall of the rotating shaft is provided with the plurality of layers of limiting rings, the limiting rings are correspondingly arranged in the annular groove in the shell, and the connecting part of the rotating shaft and the rotating surface is subjected to multi-layer waterproof sealing through the matching of the annular groove and the limiting rings, so that the integral sealing effect is improved;
(2): the utility model is provided with the shade, so that the sealing performance of the device is improved and the sealing effect is improved on the premise of not influencing the normal rotation of the rotating shaft;
(3): the sealing strip is arranged, so that the outer edge of the first waterproof bearing is in contact position sealing with the lower fixed sleeve, the inner edge of the first waterproof bearing is in contact position sealing with the rotating shaft, the outer edge of the second waterproof bearing is in contact position sealing with the upper fixed sleeve, and the inner edge of the second waterproof bearing is in contact position sealing with the rotating shaft.
Drawings
FIG. 1: the utility model provides an overall structure diagram.
FIG. 2: the utility model provides a structure diagram of the inside of a shell.
FIG. 3: the present invention provides an overall front view.
FIG. 4: the utility model provides a front view of the second half shell.
In the figure: 1-rotating surface, 2-shell, 3-round hole, 4-lower fixed sleeve, 5-first waterproof bearing, 6-rotating shaft, 7-spacing ring, 8-upper fixed sleeve, 9-second waterproof bearing, 10-annular groove, 11-shade, 12-gap, 13-sealing strip, 14-ball groove, 15-ball, 16-first half shell, 17-second half shell, 18-connecting piece, 19-mounting hole, 20-rubber sealing ring, 21-nut, 22-bolt, 23-clamping groove, 24-clamping strip, 25-groove and 26-raised strip.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. In the description of the present invention, it should be noted that the terms "central", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, and are only used for convenience of description and simplification of description, but do not indicate or imply that the referred device or component must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
The first embodiment is as follows: as shown in FIGS. 1 to 3, the waterproof and sealing structure for a rotating surface includes a housing 2 provided on the top of a rotating surface 1.
The lateral wall of pivot 6 is fixed with a plurality of spacing collars 7, and the number of spacing collar 7 is 5 in this embodiment, and the diameter that is located spacing collar 7 in the middle is great, and spacing collar 7 welds the lateral wall at pivot 6.
The lateral wall of pivot 6 is located the top department of spacing collar 7 and is provided with fixed cover 8, and pivot 6 rotates through second waterproof bearing 9 to be connected inside last fixed cover 8.
The top of casing 2 and the lateral wall sealing connection of last fixed cover 8, the bottom of casing 2 and the lateral wall sealing connection of fixed cover 4 down, seted up a plurality of ring channels 10 with spacing 7 matched with in the casing 2. In this embodiment, the inner side wall of the annular groove 10 is provided with a ball groove 14, the ball groove 14 is rotatably connected with a plurality of balls 15, and the outer side wall of the stop collar 7 is in contact with the surfaces of the balls 15, so that the friction force between the stop collar 7 and the annular groove 10 can be reduced, and the stop collar 7 and the annular groove 10 are prevented from being damaged due to contact friction.
Wherein, casing 2 is divided into first half shell 16 and second half shell 17 by the axis place plane of pivot 6, first half shell 16 is the same with second half shell 17 size, and the junction of first half shell 16 and second half shell 17 all is equipped with connection piece 18, connection piece 18 and first half shell 16, second half shell 17 welded fastening is connected, mounting hole 19 has been seted up on first half shell 16 and second half shell 17 counterpoint and the connection piece 18 that corresponds, through bolt 22, nut 21 and mounting hole 19 cooperate and fix first half shell 16 and second half shell 17, the setting is because the inconvenient mode that adopts axial insertion pivot 6 of spacing collar 7 of pivot 6 lateral wall is installed like this, consequently, divide casing 2, conveniently insert the inside ring channel 10 of casing 2 with spacing collar 7 of the lateral wall of pivot 6.
The inside of half shell 16 of first, half shell 17 of second is close to top and bottom department and has all seted up joint groove 23, goes up the equal welded fastening of lateral wall of fixed cover 8, lower fixed cover 4 and is connected with joint strip 24 with joint groove 23 matched with, goes up fixed cover 8, the lateral wall of lower fixed cover 4 still fixedly connected with rubber seal 20, and rubber seal 20 is located the top and the bottom of joint strip 24. The rubber sealing rings 20 are bonded on the outer side walls of the upper fixing sleeve 8 and the lower fixing sleeve 4 through glue, two layers of rubber sealing rings 20 are arranged, and the sealing performance between the shell 2 and the upper fixing sleeve 8 and between the shell and the lower fixing sleeve 4 is improved.
The connection face of first half shell 16 and second half shell 17 is provided with seal structure, as shown in fig. 4, seal structure is including being located the recess 25 on the connection face of first half shell 16 to and be located the sand grip 26 on the connection face of second half shell 17, recess 25 and the joint that cooperatees of sand grip 26, and through glue fixedly connected with rubber layer in the recess 25, set up sand grip 26, recess 25 and rubber layer and seal the gap between first half shell 16 and the second half shell 17.
The upper fixing sleeve 8, the lower fixing sleeve 4 and the shell 2 are arranged outside the rotating shaft 6, the side wall of the rotating shaft 6 is provided with the multilayer limiting ring 7, the limiting ring 7 is arranged in the annular groove 10 in the shell 2 correspondingly, and the joint of the rotating shaft 6 and the rotating surface 1 is subjected to multilayer waterproof sealing through the matching of the annular groove 10 and the limiting ring 7, so that the integral sealing effect is improved.
Example two: on the basis of above-mentioned embodiment, furthermore, the lateral wall fixedly connected with shade 11 at fixed cover 8 top is located to the lateral wall of pivot 6, 11 welding of shade are at the lateral wall of pivot 6, the cover mouth of shade 11 sets up downwards, go up the outside extension of top surface of fixed cover 8 and leave gap 12 between the shade 11, set up gap 12, prevent that the shade 11 and last contact between the fixed cover 8 from producing friction, this embodiment sets up shade 11, under the prerequisite that does not influence pivot 6 normal rotation, the leakproofness of the device has been increased, sealing effect is improved.
Example three: on the basis of the above embodiment, further, the joint between the outer edge of the first waterproof bearing 5 and the inner side wall of the lower fixing sleeve 4, the joint between the inner edge of the first waterproof bearing 5 and the side wall of the rotating shaft 6, the joint between the outer edge of the second waterproof bearing 9 and the inner side wall of the upper fixing sleeve 8, and the joint between the inner edge of the second waterproof bearing 9 and the side wall of the rotating shaft 6 are all bonded with a sealing strip 13 by glue, the sealing strip 13 is made of rubber material, and the sealing strip 13 is arranged to enable the outer edge of the first waterproof bearing 5 to be in contact sealing with the lower fixing sleeve 4, the inner edge of the first waterproof bearing 5 to be in contact sealing with the rotating shaft 6, the outer edge of the second waterproof bearing 9 to be in contact sealing with the upper fixing sleeve 8, and the inner edge of the second waterproof bearing 9 to be in contact sealing with the rotating shaft 6.
In summary, the upper fixing sleeve, the lower fixing sleeve and the shell are arranged outside the rotating shaft, the side wall of the rotating shaft is provided with the multiple layers of limiting rings, the limiting rings are correspondingly arranged in the annular groove in the shell, and the joint of the rotating shaft and the rotating surface is subjected to multiple layers of waterproof sealing through the matching of the annular groove and the limiting rings, so that the overall sealing effect is improved.
While the utility model has been particularly shown and described with reference to a preferred embodiment, and many means and ways of practicing the same, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (7)
1. A waterproof sealing structure for rotating face, including setting up casing (2) at rotating face (1) top, its characterized in that, round hole (3) have been seted up on rotating face (1), fixed cover (4) under the fixedly connected with in round hole (3), it is connected with pivot (6) to rotate through first waterproof bearing (5) in fixed cover (4) down, the lateral wall of pivot (6) is fixed with a plurality of spacing collars (7), the lateral wall of pivot (6) is located the top department of spacing collar (7) is provided with fixed cover (8), pivot (6) rotate through second waterproof bearing (9) and connect in last fixed cover (8) is inside, the top of casing (2) with the lateral wall sealing connection of last fixed cover (8), the bottom of casing (2) with the lateral wall sealing connection of fixed cover (4) down, a plurality of annular grooves (10) matched with the limiting rings (7) are formed in the shell (2).
2. The waterproof and sealing structure for the rotating surface according to claim 1, wherein a cover (11) is fixedly connected to the side wall of the rotating shaft (6) at the top of the upper fixing sleeve (8), and the top surface of the upper fixing sleeve (8) extends outwards and has a gap (12) with the cover (11).
3. The waterproof and sealing structure for the rotating surface according to claim 1, wherein sealing strips (13) are arranged at the joints of the outer edge of the first waterproof bearing (5) and the inner side wall of the lower fixing sleeve (4), the joints of the inner edge of the first waterproof bearing (5) and the side wall of the rotating shaft (6), the joints of the outer edge of the second waterproof bearing (9) and the inner side wall of the upper fixing sleeve (8), and the joints of the inner edge of the second waterproof bearing (9) and the side wall of the rotating shaft (6).
4. The waterproof and sealing structure for the rotating surface according to claim 1, wherein a ball groove (14) is formed in the inner side wall of the annular groove (10), a plurality of balls (15) are rotatably connected in the ball groove (14), and the outer side wall of the spacing ring (7) is in contact with the surface of the balls (15).
5. The waterproof and sealing structure for the rotating surface according to claim 1, wherein the shell (2) is divided into a first half shell (16) and a second half shell (17) by the plane of the axis of the rotating shaft (6), the connecting portions of the first half shell (16) and the second half shell (17) are provided with connecting pieces (18), the first half shell (16) and the second half shell (17) are opposite and correspond to each other, mounting holes (19) are formed in the connecting pieces (18), and the first half shell (16) and the second half shell (17) are fixed through bolts (22), nuts (21) and the matching of the mounting holes (19).
6. The waterproof and sealing structure for the rotating surface according to claim 5, wherein the first half shell (16) and the second half shell (17) are provided with clamping grooves (23) at the inner part near the top and the bottom, the upper fixing sleeve (8) and the outer side wall of the lower fixing sleeve (4) are fixedly connected with clamping strips (24) matched with the clamping grooves (23), the outer side wall of the upper fixing sleeve (8) and the outer side wall of the lower fixing sleeve (4) are also fixedly connected with rubber sealing rings (20), and the rubber sealing rings (20) are located at the top and the bottom of the clamping strips (24).
7. The waterproof and sealing structure for the rotating surface according to claim 6, wherein the connecting surface of the first half shell (16) and the second half shell (17) is provided with a sealing structure, the sealing structure comprises a groove (25) located on the connecting surface of the first half shell (16) and a convex strip (26) located on the connecting surface of the second half shell (17), the groove (25) is in fit joint with the convex strip (26), and a rubber layer is fixedly connected in the groove (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220057725.4U CN216618539U (en) | 2022-01-11 | 2022-01-11 | Waterproof sealing structure for rotating surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220057725.4U CN216618539U (en) | 2022-01-11 | 2022-01-11 | Waterproof sealing structure for rotating surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216618539U true CN216618539U (en) | 2022-05-27 |
Family
ID=81686748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220057725.4U Expired - Fee Related CN216618539U (en) | 2022-01-11 | 2022-01-11 | Waterproof sealing structure for rotating surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216618539U (en) |
-
2022
- 2022-01-11 CN CN202220057725.4U patent/CN216618539U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220527 |