CN214248242U - High-reliability multilayer sealing structure based on speed reducer - Google Patents
High-reliability multilayer sealing structure based on speed reducer Download PDFInfo
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- CN214248242U CN214248242U CN202120208441.6U CN202120208441U CN214248242U CN 214248242 U CN214248242 U CN 214248242U CN 202120208441 U CN202120208441 U CN 202120208441U CN 214248242 U CN214248242 U CN 214248242U
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Abstract
The application relates to the field of speed reducers, and discloses a high-reliability multilayer sealing structure based on a speed reducer, which comprises a first connecting flange formed at the bottom of an upper box cover of the speed reducer and a second connecting flange formed at the top of a lower box body of the speed reducer; the bottom surface of the first connecting flange is provided with an upper sealing groove extending along the peripheral side of the upper box cover of the speed reducer; the upper surface of the second connecting flange is provided with a lower sealing groove which extends along the circumferential side of the lower box body of the speed reducer in a surrounding way; a first sealing gasket is arranged on the bottom surface of the first connecting flange in a fitting manner, a first convex strip embedded in the upper sealing groove is formed on the first sealing gasket, and the first convex strip extends around along the extending direction of the upper sealing groove; a second sealing gasket is attached to the upper surface of the second connecting flange, a second convex strip embedded in the lower sealing groove is formed on the bottom surface of the second sealing gasket, and the second convex strip extends around along the extending direction of the lower sealing groove; and a clamping assembly is arranged between the first connecting flange and the second connecting flange. This application has the effect of the leakproofness of reinforcing speed reducer box.
Description
Technical Field
The application relates to the field of speed reducers, in particular to a high-reliability multilayer sealing structure based on a speed reducer.
Background
The reducer is an independent part consisting of gear transmission, worm transmission and gear-worm transmission which are enclosed in a rigid box body, and is commonly used as a speed reduction transmission device between a prime mover and a working machine. The speed reducer plays a role in matching rotating speed and transmitting torque between a prime motor and a working machine or an actuating mechanism, and is widely applied to modern machinery. In order to facilitate assembly, the box body of the speed reducer is usually formed by installing an upper box body and a lower box body, and lubricating oil for lubricating a transmission mechanism is usually required to be injected into the speed reducer box body during use, so that the requirement on the installation sealing performance of the speed reducer box body is high.
Chinese utility model patent that publication number is CN205078746U discloses a speed reducer box, including the box main part, be equipped with high-speed axle mounting hole, axis mounting hole and low-speed axle mounting hole in the box main part, the central line of high-speed axle mounting hole, axis mounting hole and low-speed axle mounting hole is parallel and on being in same horizontal plane, and the box main part is last case lid and lower box along three central line place horizontal plane splits, the top surface of going up the case lid is equipped with access hole and radiating groove, and the box makes the installation more convenient along axle central line place horizontal plane splits, goes up the case lid and establishes the radiating groove.
In view of the above-mentioned related art, the inventors believe that the sealing property between the upper case lid and the lower case body is insufficient and oil leakage is likely to occur.
SUMMERY OF THE UTILITY MODEL
In order to strengthen the leakproofness of speed reducer box, this application provides a high reliability multilayer seal structure based on speed reducer.
The application provides a high reliability multilayer seal structure based on speed reducer adopts following technical scheme:
a high-reliability multilayer sealing structure based on a speed reducer comprises a first connecting flange formed at the bottom of an upper box cover of the speed reducer and a second connecting flange formed at the top of a lower box body of the speed reducer; the bottom surface of the first connecting flange is provided with an upper sealing groove which extends along the circumferential side of the upper box cover of the speed reducer in a surrounding way; the upper surface of the second connecting flange is provided with a lower sealing groove which extends along the circumferential side of the lower box body of the speed reducer in a surrounding manner; a first sealing gasket is arranged on the bottom surface of the first connecting flange in a fitting manner, a first convex strip embedded in the upper sealing groove is formed on the first sealing gasket, and the first convex strip extends along the extending direction of the upper sealing groove in a surrounding manner; a second sealing gasket is attached to the upper surface of the second connecting flange, a second convex strip embedded in the lower sealing groove is formed on the bottom surface of the second sealing gasket, and the second convex strip extends in a surrounding manner along the extension direction of the lower sealing groove; and a clamping assembly is arranged between the first connecting flange and the second connecting flange.
By adopting the technical scheme, when the clamping component clamps the first connecting flange and the second connecting flange, the first sealing gasket and the second sealing gasket between the first connecting flange and the second connecting flange are pressed against each other, thereby the first connecting flange is connected with the second connecting flange in a sealing way, the first convex strip is embedded with the upper sealing groove, so that the gap between the first sealing gasket and the first connecting flange is blocked, the second raised strip is embedded with the lower sealing groove, so that the gap between the second sealing gasket and the second connecting flange is blocked, thereby enhancing the sealing performance between the first connecting flange and the first sealing gasket and between the second connecting flange and the second sealing gasket, make to have the sealed effect of multilayer between first flange and the second flange, be favorable to preventing the seepage of the interior oil of speed reducer box.
Preferably, the clamping assembly comprises a clamping body rotatably mounted on the first connecting flange and a positioning column fixed on the bottom surface of the second connecting flange, one end of the clamping body is connected with the first connecting flange, the other end of the clamping body extends to the bottom surface of the second connecting flange, and a U-shaped open slot which is in plug-in fit with the positioning column is formed in the end part of the clamping body extending to the bottom surface of the second connecting flange; the positioning column is vertically arranged, and a clamping nut located on the lower side of the clamping body is in threaded connection with the lower end of the positioning column.
Through adopting above-mentioned technical scheme, after first flange and the laminating of second flange, the installer rotates the cramping body for the one end that first flange was kept away from to the cramping body rotates to second flange bottom surface downside, pegs graft with the reference column until the U-shaped open slot on the cramping body and targets in place, then the installer sheathes in the centre gripping nut and screws, until the centre gripping nut supports tight cramping body, thereby make to have between second flange and the first flange and support tight effect, make sealing connection between first flange and the second flange, and convenient operation.
Preferably, the clamping body is in clearance fit with the bottom surface of the second connecting flange, and a clamping bulge which is abutted against the bottom surface of the second connecting flange is formed on the clamping body; the bottom surface of the second connecting flange is provided with a clamping convex block which is positioned on one side of the clamping bulge away from the positioning column, and the clamping convex block is tightly abutted against the clamping bulge.
Through adopting above-mentioned technical scheme, after the clamping body rotated to take one's place, the block is protruding to support tightly with the joint lug block, and the block is protruding to support tightly with second flange's bottom surface simultaneously for the clamping body can with second flange bottom surface clearance fit, prevent that the clamping body from interfering with second flange when rotating, the rotation of the clamping body of being convenient for takes one's place.
Preferably, the first connecting flange is provided with an upper mounting hole, the second connecting flange is correspondingly provided with a lower mounting hole, and the upper mounting hole and the lower mounting hole are arranged in alignment; a sealing rubber sleeve penetrates through the upper mounting hole and the lower mounting hole, the sealing rubber sleeve penetrates through the first sealing gasket and the second sealing gasket, and a mounting bolt penetrates through the sealing rubber sleeve; the head of the mounting bolt is positioned on the upper side of the first connecting flange, and the lower end of the mounting bolt extends to the lower side of the second connecting flange and is in threaded connection with a mounting nut; the upper end of the sealing rubber sleeve extends to the outside of the upper mounting hole and turns outwards, and the lower end of the sealing rubber sleeve extends to the outside of the lower mounting hole and turns outwards.
Through adopting above-mentioned technical scheme, when mounting nut screwed, mounting nut and sealing rubber sleeve lower extreme end of turning up support tightly to make and support tightly and sealed between mounting nut and the second flange, the same reason, mounting bolt head supports tightly with the end of turning up on the sealing rubber sleeve, is favorable to preventing the oil by last mounting hole and lower mounting hole department seepage.
Preferably, the mounting bolt is sleeved with a first sealing ring and a second sealing ring, the first sealing ring abuts against the head of the mounting bolt and the upper end of the sealing rubber sleeve, and the second sealing ring abuts against the mounting nut and the lower end of the sealing rubber sleeve.
Through adopting above-mentioned technical scheme, the double-deck sealing can all be realized between mounting bolt head and the first flange, between mounting nut and the second flange, has strengthened the leakproofness.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the clamping assembly clamps the first connecting flange and the second connecting flange, the first sealing gasket and the second sealing gasket are pressed tightly by extrusion, so that the first connecting flange is connected with the second connecting flange in a sealing manner, the first convex strip is embedded with the upper sealing groove, and the second convex strip is embedded with the lower sealing groove, the sealing property between the first connecting flange and the first sealing gasket is enhanced, the sealing property between the second connecting flange and the second sealing gasket is enhanced, a multi-layer sealing effect is achieved between the first connecting flange and the second connecting flange, and the leakage of oil in the speed reducer box body is favorably prevented;
2. after the first connecting flange is attached to the second connecting flange, an installer rotates the clamping body to enable one end of the clamping body to rotate to the lower side of the bottom surface of the second connecting flange until a U-shaped open slot on the clamping body is inserted in place with the positioning column, then the installer sleeves the clamping nut and screws the clamping nut until the clamping nut abuts against the clamping body tightly, and the first connecting flange is connected with the second connecting flange in a sealing mode, so that the operation is convenient;
3. when the mounting nut is screwed, the mounting nut is tightly abutted with the outward-turned end part at the lower end of the sealing rubber sleeve, and the head part of the mounting bolt is tightly abutted with the outward-turned end part at the upper end of the sealing rubber sleeve, so that the oil is prevented from leaking from the upper mounting hole and the lower mounting hole.
Drawings
Fig. 1 is a schematic structural diagram of a high-reliability multilayer sealing structure based on a speed reducer according to an embodiment of the present application.
Description of reference numerals: 1. a first connecting flange; 11. an upper seal groove; 12. an upper mounting hole; 2. a second connecting flange; 21. a lower seal groove; 22. clamping the convex block; 23. a lower mounting hole; 3. a first gasket; 31. a first rib; 4. a second gasket; 41. a second convex strip; 5. a clamping assembly; 51. a clamping body; 511. a U-shaped open slot; 512. clamping the protrusion; 52. a positioning column; 521. clamping the nut; 6. sealing the rubber sleeve; 7. installing a bolt; 71. a first seal ring; 72. a second seal ring; 8. and (6) mounting the nut.
Detailed Description
The present application is described in further detail below with reference to fig. 1.
The embodiment of the application discloses high reliability multilayer seal structure based on speed reducer. Referring to fig. 1, the high-reliability multi-layer sealing structure based on the speed reducer comprises a first connecting flange 1 formed at the bottom of an upper box cover of the speed reducer and a second connecting flange 2 formed at the top of a lower box body of the speed reducer. The bottom surface of the first connecting flange 1 is provided with an upper sealing groove 11 extending along the circumferential side of an upper box cover of the speed reducer in a surrounding manner, the upper sealing groove 11 is provided with a plurality of channels, and the plurality of upper sealing grooves 11 are uniformly arranged outwards in sequence along the horizontal direction. The upper surface of the second connecting flange 2 is provided with a lower sealing groove 21 which extends along the circumferential side of the lower box body of the speed reducer in a surrounding manner, the lower sealing groove 21 is provided with a plurality of channels, and the plurality of lower sealing grooves 21 are outwards uniformly arranged in sequence along the horizontal direction. The bottom surface of the first connecting flange 1 is provided with a first sealing gasket 3 in an attaching manner, a plurality of first protruding strips 31 embedded in the upper sealing grooves 11 are formed on the first sealing gasket 3, and the first protruding strips 31 respectively extend around in the extending direction of the corresponding upper sealing grooves 11. The upper surface of the second connecting flange 2 is provided with a second sealing gasket 4 in a fitting manner, the bottom surface of the second sealing gasket 4 is formed with second protruding strips 41 embedded in the lower sealing grooves 21, and the second protruding strips 41 extend around along the extending direction of the corresponding lower sealing grooves 21.
Referring to fig. 1, a clamping assembly 5 is disposed between the first connecting flange 1 and the second connecting flange 2, and the clamping assembly 5 includes a clamping body 51 rotatably mounted on the first connecting flange 1 and a positioning post 52 fixed on the bottom surface of the second connecting flange 2. The clamping body 51 is in an L-shaped block shape, one end of the clamping body is connected with the top of the first connecting flange 1, the other end of the clamping body extends to the lower side of the bottom surface of the second connecting flange 2, and a U-shaped open slot 511 in splicing fit with the positioning column 52 is formed in the end part of the clamping body 51 extending to the bottom surface of the second connecting flange 2. The horizontal section of the U-shaped opening groove 511 is U-shaped, and the U-shaped opening groove 511 is respectively communicated with the upper and lower surfaces of the lower end of the clamping body 51. The positioning post 52 is a cylinder, which is vertically disposed, and a clamping nut 521 located at the lower side of the lower end of the clamping body 51 is sleeved and screwed on the lower end of the positioning post 52. The lower end of the clamping body 51 is in clearance fit with the bottom surface of the second connecting flange 2, and a fastening protrusion 512 abutting against the bottom surface of the second connecting flange 2 is formed on the upper surface of the lower end of the clamping body 51. And a clamping convex block 22 located on one side of the clamping protrusion 512 away from the positioning column 52 is formed on the bottom surface of the second connecting flange 2, and the clamping convex block 22 and the clamping protrusion 512 are tightly abutted.
After the first connecting flange 1 is attached to the second connecting flange 2, an installer rotates the clamping body 51 to enable one end, away from the first connecting flange 1, of the clamping body 51 to rotate to the lower side of the bottom surface of the second connecting flange 2 until the U-shaped open slot 511 and the positioning column 52 in the clamping body 51 are inserted in place, then the installer sleeves the clamping nut 521 and screws until the clamping nut 521 abuts against the clamping body 51, the clamping protrusion 512 abuts against the bottom surface of the second connecting flange 2, and therefore abutting action is achieved between the second connecting flange 2 and the first connecting flange 1, the first connecting flange 1 is connected with the second connecting flange 2 in a sealing mode, and operation is convenient; when the clamping body 51 rotates to be in place, the engaging protrusion 512 engages and abuts against the engaging protrusion 22, and the engaging protrusion 512 abuts against the bottom surface of the second connecting flange 2, so that the clamping body 51 is in clearance fit with the bottom surface of the second connecting flange 2, thereby preventing the clamping body 51 from interfering with the second connecting flange 2 when rotating, and facilitating the rotation of the clamping body 51 to be in place.
Referring to fig. 1, an upper mounting hole 12 is formed in the first connecting flange 1, a lower mounting hole 23 is correspondingly formed in the second connecting flange 2, and the upper mounting hole 12 and the lower mounting hole 23 are aligned. Go up mounting hole 12 and wear to be equipped with sealed rubber sleeve 6 between the mounting hole 23 down, sealed rubber sleeve 6 runs through first sealed pad 3 and the sealed 4 that fills up of second, and wears to be equipped with mounting bolt 7 in the sealed rubber sleeve 6. The head of the mounting bolt 7 is positioned on the upper side of the first connecting flange 1, and the lower end of the mounting bolt 7 extends to the lower side of the second connecting flange 2 and is connected with a mounting nut 8 in a threaded manner. The upper end of the sealing rubber sleeve 6 extends out of the upper mounting hole 12 and turns outwards, and the lower end of the sealing rubber sleeve 6 extends out of the lower mounting hole 23 and turns outwards. The mounting bolt 7 is sleeved with a first sealing ring 71 and a second sealing ring 72, the first sealing ring 71 is abutted between the head of the mounting bolt 7 and the upper end of the sealing rubber sleeve 6, and the second sealing ring 72 is abutted between the mounting nut 8 and the lower end of the sealing rubber sleeve 6. When the mounting nut 8 is screwed, the mounting nut 8 tightly abuts against the second sealing ring 72 and tightly abuts against the outward-turning end part at the lower end of the sealing rubber sleeve 6, so that the mounting nut 8 and the second connecting flange 2 tightly abut against each other and are sealed, similarly, the head of the mounting bolt 7 tightly abuts against the first sealing ring 71 and tightly abuts against the outward-turning end part at the upper end of the sealing rubber sleeve 6, so that double-layer sealing can be realized between the head of the mounting bolt 7 and the first connecting flange 1 and between the mounting nut 8 and the second connecting flange 2, the sealing performance is enhanced, and the oil is favorably prevented from leaking from the upper mounting hole 12 and the lower mounting hole 23.
The implementation principle of the high-reliability multilayer sealing structure based on the speed reducer in the embodiment of the application is as follows: when the clamping assembly 5 clamps the first connecting flange 1 and the second connecting flange 2, the first sealing gasket 3 and the second sealing gasket 4 between the first connecting flange 1 and the second connecting flange 2 are pressed against each other by the extrusion action, so that the first connecting flange 1 and the second connecting flange 2 are connected in a sealing manner, the first protruding strip 31 is embedded in the upper sealing groove 11, so that the gap between the first sealing gasket 3 and the first connecting flange 1 is blocked, the second protruding strip 41 is embedded in the lower sealing groove 21, so that the gap between the second sealing gasket 4 and the second connecting flange 2 is blocked, so that the sealing property between the first connecting flange 1 and the first sealing gasket 3 is enhanced, the sealing property between the second connecting flange 2 and the second sealing gasket 4 is enhanced, and a multi-layer sealing effect is achieved between the first connecting flange 1 and the second connecting flange 2, the leakage of oil in the speed reducer box body is prevented.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (5)
1. The utility model provides a high reliability multilayer seal structure based on speed reducer which characterized in that: the connecting device comprises a first connecting flange (1) formed at the bottom of an upper box cover of the speed reducer and a second connecting flange (2) formed at the top of a lower box body of the speed reducer; the bottom surface of the first connecting flange (1) is provided with an upper sealing groove (11) which extends along the circumferential side of the upper box cover of the speed reducer in a surrounding way; the upper surface of the second connecting flange (2) is provided with a lower sealing groove (21) which extends along the circumferential side of the lower box body of the speed reducer in a surrounding way; a first sealing gasket (3) is attached to the bottom surface of the first connecting flange (1), a first protruding strip (31) embedded in the upper sealing groove (11) is formed on the first sealing gasket (3), and the first protruding strip (31) extends in a surrounding mode along the extending direction of the upper sealing groove (11); a second sealing gasket (4) is arranged on the upper surface of the second connecting flange (2) in a fitting manner, a second protruding strip (41) embedded in the lower sealing groove (21) is formed on the bottom surface of the second sealing gasket (4), and the second protruding strip (41) extends around along the extending direction of the lower sealing groove (21); and a clamping assembly (5) is arranged between the first connecting flange (1) and the second connecting flange (2).
2. The high-reliability multilayer sealing structure based on the speed reducer as claimed in claim 1, wherein: the clamping assembly (5) comprises a clamping body (51) rotatably mounted on the first connecting flange (1) and a positioning column (52) fixed on the bottom surface of the second connecting flange (2), one end of the clamping body (51) is connected with the first connecting flange (1), the other end of the clamping body extends to the bottom surface of the second connecting flange (2), and a U-shaped open slot (511) which is in plug-in fit with the positioning column (52) is formed in the end part of the clamping body (51) extending to the bottom surface of the second connecting flange (2); the positioning column (52) is vertically arranged, and the lower end of the positioning column (52) is in threaded connection with a clamping nut (521) positioned on the lower side of the clamping body (51).
3. The high-reliability multilayer sealing structure based on the speed reducer as claimed in claim 2, wherein: the clamping body (51) is in clearance fit with the bottom surface of the second connecting flange (2), and a clamping bulge (512) which is abutted against the bottom surface of the second connecting flange (2) is formed on the clamping body (51); the clamping lug (22) located on one side, away from the positioning column (52), of the clamping bulge (512) is formed in the bottom surface of the second connecting flange (2), and the clamping lug (22) is tightly abutted to the clamping bulge (512).
4. The high-reliability multilayer sealing structure based on the speed reducer as claimed in claim 1, wherein: an upper mounting hole (12) is formed in the first connecting flange (1), a lower mounting hole (23) is correspondingly formed in the second connecting flange (2), and the upper mounting hole (12) and the lower mounting hole (23) are arranged in an aligned mode; a sealing rubber sleeve (6) penetrates between the upper mounting hole (12) and the lower mounting hole (23), the sealing rubber sleeve (6) penetrates through the first sealing gasket (3) and the second sealing gasket (4), and a mounting bolt (7) penetrates through the sealing rubber sleeve (6); the head of the mounting bolt (7) is positioned on the upper side of the first connecting flange (1), and the lower end of the mounting bolt (7) extends to the lower side of the second connecting flange (2) and is in threaded connection with a mounting nut (8); the upper end of the sealing rubber sleeve (6) extends out of the upper mounting hole (12) and turns outwards, and the lower end of the sealing rubber sleeve (6) extends out of the lower mounting hole (23) and turns outwards.
5. The high-reliability multilayer sealing structure based on the speed reducer as claimed in claim 4, wherein: the mounting bolt (7) is provided with a first sealing ring (71) and a second sealing ring (72) in a sleeved mode, the first sealing ring (71) abuts against the head of the mounting bolt (7) and between the upper ends of the sealing rubber sleeves (6), and the second sealing ring (72) abuts against the mounting nut (8) and between the lower ends of the sealing rubber sleeves (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120208441.6U CN214248242U (en) | 2021-01-23 | 2021-01-23 | High-reliability multilayer sealing structure based on speed reducer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120208441.6U CN214248242U (en) | 2021-01-23 | 2021-01-23 | High-reliability multilayer sealing structure based on speed reducer |
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| Publication Number | Publication Date |
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| CN214248242U true CN214248242U (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120208441.6U Active CN214248242U (en) | 2021-01-23 | 2021-01-23 | High-reliability multilayer sealing structure based on speed reducer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116139649A (en) * | 2023-01-29 | 2023-05-23 | 紫科装备股份有限公司 | Organic electrode production waste gas treatment process for battery |
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2021
- 2021-01-23 CN CN202120208441.6U patent/CN214248242U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116139649A (en) * | 2023-01-29 | 2023-05-23 | 紫科装备股份有限公司 | Organic electrode production waste gas treatment process for battery |
| CN116139649B (en) * | 2023-01-29 | 2023-10-03 | 紫科装备股份有限公司 | Organic electrode production waste gas treatment process for battery |
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