CN111981108B - Gear reducer device with dustproof function - Google Patents
Gear reducer device with dustproof function Download PDFInfo
- Publication number
- CN111981108B CN111981108B CN202010898085.5A CN202010898085A CN111981108B CN 111981108 B CN111981108 B CN 111981108B CN 202010898085 A CN202010898085 A CN 202010898085A CN 111981108 B CN111981108 B CN 111981108B
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- sealing
- sleeve
- shaft section
- sealing ring
- cover
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 55
- 238000007789 sealing Methods 0.000 claims abstract description 148
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 230000000903 blocking effect Effects 0.000 claims description 12
- 239000000428 dust Substances 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000002265 prevention Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a gear reducer device with a dustproof function, which comprises a reducer main body, wherein the reducer main body comprises an output shaft, a first dustproof mechanism, a second dustproof mechanism and an end cover, the first dustproof mechanism comprises a first sealing cover, a first clamping ring, a sealing sleeve and a first sealing ring, the first sealing cover is positioned on the right end of the reducer main body, the first clamping ring is positioned on the first sealing cover, the sealing sleeve is positioned on the first clamping ring, the second dustproof mechanism comprises a fixing sleeve, a second sealing ring, a baffle sleeve and a sleeve, the fixing sleeve and the second sealing ring are both sleeved on a second shaft section, the baffle sleeve is sleeved on a third shaft section, the sleeve is sleeved outside the second sealing ring and the baffle sleeve, and the end cover is hermetically connected below the right end of the reducer main body, the dustproof cover is good in dustproof function and convenient to install, and is safer and more reliable to use.
Description
Technical Field
The invention relates to a gear reducer, in particular to a gear reducer device with a dustproof function.
Background
The gear reducer is a device for achieving the purpose of reducing the speed through meshing transmission of all levels of gears, the gear reducer generally comprises a plurality of gears, an input shaft, a transmission shaft, an output shaft and the like, power is transmitted into the gear reducer through the input shaft, the gears at all levels are utilized for reducing the speed, the power is transmitted out through the output shaft, a protective device is not added to the output shaft in the using process in the prior art, and therefore dust and the like can enter the output shaft, the sealing performance of a sealing ring can be reduced, and the service life of each part on the output shaft can be further shortened.
Therefore, improvements in gear reducers are urgently needed.
Disclosure of Invention
In view of the above, the present invention provides a gear reduction unit with a dustproof function to solve the above technical problems.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a gear reducer device with dustproof function, includes the speed reducer main part, include in the speed reducer main part:
the output shaft comprises a first shaft section, a second shaft section, a third shaft section, a fourth shaft section and a fifth shaft section which are sequentially connected from bottom to top;
the first dustproof mechanism comprises a first sealing cover, a first clamping ring, a sealing sleeve and a first sealing ring which are all sleeved on the fifth shaft section, the first sealing cover is positioned on the right end of the speed reducer main body, a first lower flange below the first sealing cover is clamped in the speed reducer main body, the first clamping ring is positioned on the first sealing cover, the sealing sleeve is installed in the first clamping ring, and the outer end of the sealing sleeve is connected with an extension;
the second dustproof mechanism comprises a fixed sleeve, a second sealing ring, a baffle sleeve and a sleeve, wherein the fixed sleeve and the second sealing ring are sleeved on the second shaft section, the baffle sleeve is sleeved on the third shaft section, an inward extending sleeve at the lower end of the baffle sleeve is sleeved on the second shaft section, and the sleeve is sleeved outside the second sealing ring and the baffle sleeve;
the end cover is connected below the right end of the speed reducer main body in a sealing mode and located below the first shaft section, a first flange is arranged on the end cover, a second flange is arranged on the first flange, the first flange is connected below the speed reducer main body in a sealing mode, and the second flange surrounds the outer side of the side wall of the speed reducer main body.
Further, first dustproof mechanism still includes a plurality of sealed piece and a second rand, sealed piece is connected below first sealed lid and be located the first side channel of speed reducer main part, the second rand cover is established just be located on the fifth shaft part the higher authority of seal cover, sealed piece includes that the upper end is all connected below first sealed lid and the first flank and the second flank of symmetry setting, the side and the bottom of first flank support respectively and hold on the lateral wall and the diapire of first side channel, first flank with V die cavity has between the second flank, the opening of V die cavity is downward.
Furthermore, first rand with the second rand symmetry sets up, first rand includes first horizontal part and first portion of bending, first portion of bending is connected the outer end of first horizontal part is upwards extended, the second rand includes second horizontal part and the second portion of bending, the second portion of bending is connected the outer end of second horizontal part is downwards extended, the seal cover is located first rand with between the second rand, it is located to extend outward first portion of bending with between the second portion of bending.
Furthermore, the first sealing ring is arranged in a sealing groove formed in the inner side of the first sealing cover, an upper concave cavity is formed in the first sealing ring, an upper convex angle is arranged on the first sealing ring and abuts against the top of the sealing groove, a first inner convex angle and a second inner convex angle are arranged on the inner side of the first sealing ring, the second inner convex angle is located below the first inner convex angle, and the first inner convex angle and the second inner convex angle both abut against the fifth shaft section.
Further, an inner cavity is formed between the first inner lobe and the second inner lobe, and the first inner lobe and the second inner lobe both extend obliquely upward toward the fifth shaft segment.
Furthermore, a first containing cavity is formed in the upper end of the fixing sleeve, the sealing part of the second sealing ring is located in the first containing cavity, and the outer end of the fixing sleeve is contained in a second side groove formed in the side face of the speed reducer body.
Furthermore, the second sealing ring further comprises a body part, the body part is located on the fixed sleeve, the sealing part is connected inside the body part, and a second accommodating cavity is formed in the upper end of the body part.
Furthermore, a second lower flange is connected to the lower surface of the blocking sleeve and accommodated in the second accommodating cavity, and an inner end of the second lower flange is connected with an inner extension which abuts against the second shaft section.
Furthermore, a third accommodating cavity is formed below the sleeve, a fourth accommodating cavity is formed below the third accommodating cavity, the blocking sleeve is accommodated in the third accommodating cavity, and the second sealing ring is accommodated in the fourth accommodating cavity.
The technical scheme can show that the invention has the advantages that:
1. the first dustproof mechanism is arranged in the invention, and can effectively prevent dust at the upper end of the output shaft from entering the output shaft, so that the service life of each part at the upper end of the output shaft is prolonged.
2. The invention is also provided with a second dustproof mechanism which can effectively prevent dust at the lower end of the output shaft from entering the output shaft, thereby prolonging the service life of each part at the lower end of the output shaft.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view of a portion a of fig. 1.
Fig. 3 is a partially enlarged view of fig. 1 at B.
Fig. 4 is a partially enlarged view of fig. 2 at C.
Fig. 5 is a partially enlarged view of fig. 2 at D.
List of reference numerals: the reducer comprises a reducer body 1, an output shaft 11, a first shaft section 111, a second shaft section 112, a third shaft section 113, a fourth shaft section 114, a fifth shaft section 115, a first side groove 12, a second side groove 13, a first dust prevention mechanism 2, a first sealing cover 21, a first lower flange 211, a sealing groove 212, a first collar 22, a first horizontal portion 221, a first bending portion 222, a sealing sleeve 23, an extension 231, a first sealing ring 24, an upper cavity 241, an upper convex corner 242, a first inner convex corner 243, an inner cavity 244, a second inner convex corner 245, a sealing block 25, a first side wing 251, a second side wing 252, a V-shaped cavity 253, a second collar 26, a second horizontal portion 261, a second bending portion 262, a second dust prevention mechanism 3, a fixing sleeve 31, a first accommodating cavity 311, a second sealing ring 32, a second accommodating cavity 321, a sealing portion 322, a sealing portion 323, a blocking sleeve 33, a second lower flange 331, an inner extension 332, a sleeve 34, a third accommodating cavity 341, a first dust prevention mechanism 2, a second sealing ring 32, a second accommodating cavity, a second sealing ring 32, a sealing portion, a blocking sleeve 33, a second lower flange, a second sealing ring 32, a sealing ring, a sealing portion, a sealing ring portion, and a sealing ring portion, and a sealing ring portion, fourth receiving chamber 342, end cap 4, first flange 41, second flange 42.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
Referring to fig. 1 to 5, the gear reducer device with a dustproof function shown in fig. 1 includes a reducer main body 1, the reducer main body 1 includes an output shaft 11, a first dustproof mechanism 2, a second dustproof mechanism 3 and an end cover 5, the output shaft 11 includes a first shaft section 111, a second shaft section 112, a third shaft section 113, a fourth shaft section 114 and a fifth shaft section 115 which are sequentially connected from bottom to top, the first dustproof mechanism 2 includes a first sealing cover 21, a first collar 22, a sealing sleeve 23 and a first sealing ring 24 which are all sleeved on the fifth shaft section 115, the first sealing cover 21 is located on the right end of the reducer main body 1, a first lower flange 211 below the first sealing cover 21 is clamped in the reducer main body 1, and the first lower flange 211 can increase connectivity between the first sealing cover 21 and the reducer main body 1, thereby improving the sealing effect of the sealing sleeve 23 and the first sealing ring 24, the first collar 22 is located on the first sealing cover 21, the sealing sleeve 23 is installed in the first collar 22, the outer end of the sealing sleeve 23 is connected with an extension 231, the second dustproof mechanism 3 comprises a fixed sleeve 31, a second sealing ring 32, a blocking sleeve 33 and a sleeve 34, the fixed sleeve 31 and the second sealing ring 32 are all sleeved on the second shaft section 112, the blocking sleeve 33 is sleeved on the third shaft section 113, the extension 332 at the lower end of the blocking sleeve 33 is sleeved on the second shaft section 112, the sleeve 34 is sleeved outside the second sealing ring 32 and the blocking sleeve 33, the end cover 4 is connected below the right end of the main body 1 in a sealing manner, and the end cover 4 is located below the first shaft section 111, the upper surface of the end cover 4 is provided with a first flange 41, the upper surface of the first flange 41 is provided with a second flange 42, the first flange 41 is hermetically connected to the lower surface of the speed reducer body 1, the second flange 42 surrounds the outer side of the side wall of the speed reducer body 1, the lower surface opening end of the speed reducer body 1 is not directly contacted with the outside through the end cover 4, and therefore the dust resistance of the lower surface of the speed reducer body 1 is improved.
As shown in fig. 2 and 5, the first dust-proof mechanism 2 further includes a plurality of sealing blocks 25 and a second collar 26, the sealing blocks 25 are connected below the first sealing cover 21 and located in the first side groove 12 of the reducer body 1, the second collar 26 is sleeved on the fifth shaft segment 115 and located above the sealing sleeve 23, the sealing blocks 25 include first side wings 251 and second side wings 252, the upper ends of which are connected below the first sealing cover 21 and symmetrically disposed, the side surfaces and the bottom surfaces of the first side wings 251 respectively abut against the side walls and the bottom wall of the first side groove 12, so that the sealing blocks 25 and the first side groove 12 are sealingly connected, thereby preventing dust from entering the reducer body 1 from the connection between the first sealing cover 21 and the reducer body 1, and a V-shaped cavity 253 is provided between the first side wings 251 and the second side wings 252, the V-shaped cavity 253 is opened downwards, and the V-shaped cavity 253 can enable the deformation of the first side wing 251 and the second side wing 252 to be more obvious, so that the sealing performance is better.
Preferably, the first collar 22 and the second collar 26 are symmetrically disposed, the first collar 22 includes a first horizontal portion 221 and a first bent portion 222, the first bent portion 222 is connected to an outer end of the first horizontal portion 221 and extends upward, the second collar 26 includes a second horizontal portion 261 and a second bent portion 262, the second bent portion 262 is connected to an outer end of the second horizontal portion 261 and extends downward, the sealing sleeve 23 is located between the first collar 22 and the second collar 26, the extension 231 is located between the first bent portion 222 and the second bent portion 262, and the sealing connectivity of the first collar 22 and the second collar 26 to the sealing sleeve 23 can be improved through the extension 231.
As shown in fig. 4, the first sealing ring 24 is disposed in a sealing groove 212 formed in the inner side of the first sealing cover 21, the first sealing ring 24 is provided with an upper concave cavity 241, an upper convex angle 242 is disposed on the upper surface of the first sealing ring 24, the upper convex angle 242 abuts against the top of the sealing groove 212, a first inner convex angle 243 and a second inner convex angle 245 are disposed on the inner side of the first sealing ring 24, the second inner convex angle 245 is located below the first inner convex angle 243, both the first inner convex angle 243 and the second inner convex angle 245 abut against the fifth shaft segment 115, the upper convex angle 242 can perform a sealing function on the top of the sealing groove 212, and the first inner convex angle 243 and the second inner convex angle 245 can improve the sealing performance on the fifth shaft segment 115, so that the sealing performance of the first sealing ring 24 on the output shaft 11 is better.
Preferably, an inner concave cavity 244 is formed between the first inner convex corner 243 and the second inner convex corner 245, the first inner convex corner 243 and the second inner convex corner 245 both extend obliquely upward in a direction close to the fifth shaft segment 115, and the upper concave cavity 241 and the inner concave cavity 244 can increase the deformation effect of the first sealing ring 24, so that the overall sealing performance is better.
As shown in fig. 3, a first accommodating cavity 311 is formed at the upper end of the fixing sleeve 31, the sealing portion 322 of the second sealing ring 32 is located in the first accommodating cavity 311, and the outer end of the fixing sleeve 31 is accommodated in a second side groove 13 formed in the side surface of the reducer body 1.
Preferably, the second sealing ring 32 further includes a body 323, the body 323 is located above the fixing sleeve 31, the sealing portion 322 is connected inside the body 323, a second accommodating cavity 321 is opened at an upper end of the body 323, and the sealing portion 322 can enhance the sealing effect of the second sealing ring 32 on the second shaft section 112.
Preferably, a second lower flange 331 is connected to the lower surface of the retaining sleeve 33, the second lower flange 331 is accommodated in the second accommodating cavity 321, an inner extension 332 is connected to an inner end of the second lower flange 331, the inner extension 332 abuts against the second shaft section 112, and the second lower flange 331 and the inner extension 332 can enhance the connection relationship between the retaining sleeve 33 and the second sealing ring 32, so that the sealing effect of the second sealing ring 32 is better.
Preferably, a third accommodating cavity 341 is formed below the sleeve 34, a fourth accommodating cavity 342 is formed below the third accommodating cavity 341, the spacer sleeve 33 is accommodated in the third accommodating cavity 341, the second seal ring 32 is accommodated in the fourth accommodating cavity 342, and the sleeve 34 surrounds the spacer sleeve 33 and the second seal ring 32, so that the protective effect of the sleeve 34 on the spacer sleeve 33 and the second seal ring 32 can be improved, and the sealing performance is further improved.
The working principle is as follows: when the output shaft 11 rotates, the first dustproof mechanism 2 and the second dustproof mechanism 3 synchronously rotate, the sealing effect of the output shaft can be improved through the first sealing ring 24, the sealing block 25 and the second sealing ring 32 which are used for sealing the output shaft 11, and the connectivity of the first sealing ring 24, the sealing block 25 and the second sealing ring 32 can be improved through other components, so that the dustproof effect is better.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a gear reducer device with dustproof function, its characterized in that includes speed reducer main part (1), include in speed reducer main part (1):
the output shaft (11) comprises a first shaft section (111), a second shaft section (112), a third shaft section (113), a fourth shaft section (114) and a fifth shaft section (115) which are sequentially connected from bottom to top;
the first dustproof mechanism (2) comprises a first sealing cover (21), a first clamping ring (22), a sealing sleeve (23) and a first sealing ring (24), wherein the first sealing cover (21), the first clamping ring (22), the sealing sleeve (23) and the first sealing ring (24) are all sleeved on the fifth shaft section (115), the first sealing cover (21) is located on the right end of the speed reducer main body (1), a first lower flange (211) below the first sealing cover (21) is clamped in the speed reducer main body (1), the first clamping ring (22) is located on the first sealing cover (21), the sealing sleeve (23) is installed in the first clamping ring (22), and the outer end of the sealing sleeve (23) is connected with an extension (231);
the second dustproof mechanism (3) comprises a fixed sleeve (31), a second sealing ring (32), a blocking sleeve (33) and a sleeve (34), the fixed sleeve (31) and the second sealing ring (32) are sleeved on the second shaft section (112), the blocking sleeve (33) is sleeved on the third shaft section (113), an inner extension (332) at the lower end of the blocking sleeve (33) is sleeved on the second shaft section (112), and the sleeve (34) is sleeved outside the second sealing ring (32) and the blocking sleeve (33);
the end cover (4), end cover (4) sealing connection is in below the right-hand member of speed reducer main part (1), just end cover (4) are located below first shaft segment (111), be equipped with first flange (41) above end cover (4), be equipped with second flange (42) above first flange (41), first flange (41) sealing connection is in below speed reducer main part (1), second flange (42) surround the lateral wall outside of speed reducer main part (1).
2. The gear speed reducer device with the dustproof function according to claim 1, wherein the first dustproof mechanism (2) further comprises a plurality of sealing blocks (25) and a second collar (26), the sealing blocks (25) are connected below the first sealing cover (21) and located in the first side groove (12) of the speed reducer body (1), the second collar (26) is sleeved on the fifth shaft section (115) and located above the sealing sleeve (23), the sealing blocks (25) comprise a first side wing (251) and a second side wing (252) which are connected below the first sealing cover (21) at upper ends and symmetrically arranged, a side surface and a bottom surface of the first side wing (251) respectively abut against a side wall and a bottom wall of the first side groove (12), and a V-shaped cavity (253) is arranged between the first side wing (251) and the second side wing (252), the opening of the V-shaped cavity (253) faces downwards.
3. The gear reducer device with dust-proof function according to claim 2, wherein the first collar (22) and the second collar (26) are symmetrically arranged, the first collar (22) comprises a first horizontal portion (221) and a first bent portion (222), the first bent portion (222) is connected to an outer end of the first horizontal portion (221) and extends upward, the second collar (26) comprises a second horizontal portion (261) and a second bent portion (262), the second bent portion (262) is connected to an outer end of the second horizontal portion (261) and extends downward, the sealing sleeve (23) is located between the first collar (22) and the second collar (26), and the extension (231) is located between the first bent portion (222) and the second bent portion (262).
4. The gear reducer device with the dustproof function according to claim 3, wherein the first sealing ring (24) is disposed in a sealing groove (212) formed in an inner side of the first sealing cover (21), the first sealing ring (24) is provided with an upper concave cavity (241), an upper convex angle (242) is disposed on the first sealing ring (24), the upper convex angle (242) abuts against a top of the sealing groove (212), a first inner convex angle (243) and a second inner convex angle (245) are disposed on an inner side of the first sealing ring (24), the second inner convex angle (245) is located below the first inner convex angle (243), and the first inner convex angle (243) and the second inner convex angle (245) both abut against the fifth shaft segment (115).
5. The gear reduction unit with dust control function according to claim 4, characterized in that an inner cavity (244) is provided between the first inner lobe (243) and the second inner lobe (245), and the first inner lobe (243) and the second inner lobe (245) each extend obliquely upward in a direction approaching the fifth shaft section (115).
6. The gear reducer device with dustproof function according to claim 5, wherein a first accommodating cavity (311) is opened at an upper end of the fixing sleeve (31), the sealing part (322) of the second sealing ring (32) is located in the first accommodating cavity (311), and an outer end of the fixing sleeve (31) is accommodated in a second side groove (13) opened at a side surface of the reducer body (1).
7. The gear reduction unit with dust-proof function according to claim 6, wherein said second sealing ring (32) further comprises a body portion (323), said body portion (323) is located above said fixed sleeve (31), said sealing portion (322) is connected inside said body portion (323), and a second receiving cavity (321) is opened at an upper end of said body portion (323).
8. The gear reducer device with dust-proof function of claim 7, wherein a second lower flange (331) is connected to the lower surface of the spacer (33), the second lower flange (331) is accommodated in the second accommodating cavity (321), an inner end of the second lower flange (331) is connected with an inner extension (332), and the inner extension (332) abuts against the second shaft section (112).
9. The gear reducer device with the dustproof function according to claim 8, wherein a third accommodating chamber (341) is opened below the sleeve (34), a fourth accommodating chamber (342) is opened below the third accommodating chamber (341), the spacer sleeve (33) is accommodated in the third accommodating chamber (341), and the second seal ring (32) is accommodated in the fourth accommodating chamber (342).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010898085.5A CN111981108B (en) | 2020-08-31 | 2020-08-31 | Gear reducer device with dustproof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010898085.5A CN111981108B (en) | 2020-08-31 | 2020-08-31 | Gear reducer device with dustproof function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111981108A CN111981108A (en) | 2020-11-24 |
| CN111981108B true CN111981108B (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010898085.5A Active CN111981108B (en) | 2020-08-31 | 2020-08-31 | Gear reducer device with dustproof function |
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| Country | Link |
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| CN (1) | CN111981108B (en) |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201301959Y (en) * | 2008-11-28 | 2009-09-02 | 天津钢铁有限公司 | Dustproof sealing device |
| CN202493677U (en) * | 2012-02-22 | 2012-10-17 | 沃德(天津)传动有限公司 | Speed reducer and sealing device for same |
| CN203685997U (en) * | 2014-01-13 | 2014-07-02 | 安徽费洛卡重工传动有限公司 | Gear reducer |
| JP6518106B2 (en) * | 2015-03-27 | 2019-05-22 | Ntn株式会社 | Motor drive with reduction gear for automobile |
| KR102037705B1 (en) * | 2015-09-03 | 2019-10-29 | 엔오케이 가부시키가이샤 | Sealing structure |
| CN205745298U (en) * | 2016-05-13 | 2016-11-30 | 太仓市明宇密封件有限公司 | A kind of reinforcing dust seal |
| JP6565948B2 (en) * | 2017-02-02 | 2019-08-28 | マツダ株式会社 | Connection structure between differential gear and drive shaft, and vehicle manufacturing method |
| CN208364789U (en) * | 2018-05-17 | 2019-01-11 | 昆山健博密封件科技有限公司 | A kind of sealing ring |
| CN208831668U (en) * | 2018-08-31 | 2019-05-07 | 沃德传动（天津）股份有限公司 | A kind of box body of speed reducer oil seal cover with dust reduction capability |
| CN209762202U (en) * | 2019-04-17 | 2019-12-10 | 南京高速齿轮制造有限公司 | Wind power pitch-variable gearbox with dustproof sealing structure |
| CN210178888U (en) * | 2019-06-17 | 2020-03-24 | 龙工(福建)桥箱有限公司 | Loader transaxle main reducer oil blanket dustproof construction |
| CN110645357A (en) * | 2019-08-26 | 2020-01-03 | 江门市鑫辉特种密封科技有限公司 | Radial multi-lip supporting oil seal device |
| CN210890091U (en) * | 2019-08-26 | 2020-06-30 | 江门市鑫辉密封科技有限公司 | Axial multi-lip rotary support sealing device |
| CN211127447U (en) * | 2019-09-20 | 2020-07-28 | 江苏常意电机科技有限公司 | Gear motor suitable for dust operation |
-
2020
- 2020-08-31 CN CN202010898085.5A patent/CN111981108B/en active Active
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| Publication number | Publication date |
|---|---|
| CN111981108A (en) | 2020-11-24 |
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