CN112377620B - Framework oil seal for mechanical transmission part - Google Patents
Framework oil seal for mechanical transmission part Download PDFInfo
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- CN112377620B CN112377620B CN202011266419.3A CN202011266419A CN112377620B CN 112377620 B CN112377620 B CN 112377620B CN 202011266419 A CN202011266419 A CN 202011266419A CN 112377620 B CN112377620 B CN 112377620B
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- clamping piece
- oil seal
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- rear end
- lip
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3248—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3268—Mounting of sealing rings
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
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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 framework oil seal for a mechanical transmission part, relates to the technical field of mechanical equipment, and aims to solve the problems that the framework oil seal can be interfered by external factors in the abrasion process, such as dust and oil leakage occurs at the position where the framework oil seal is installed due to collision at the position where the framework oil seal is installed on the mechanical part. In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a skeleton oil blanket for mechanical transmission part, includes oil blanket mechanism, its characterized in that: the rear end of the oil seal mechanism is sleeved in the middle of the front end of the transmission mechanism; the oil seal mechanism is positioned in the clamping mechanism. When an outer rod in the transmission mechanism is in matched transmission with a transmission shaft, a framework oil seal in the oil seal mechanism isolates parts in the transmission mechanism from output parts, so that lubricating oil is unlikely to leak, and the framework oil seal is wrapped by the clamping piece A and the clamping piece B in the clamping mechanism to prevent the framework oil seal from being corroded by dust.
Description
Technical Field
The invention relates to the technical field of mechanical equipment, in particular to a framework oil seal for a mechanical transmission part.
Background
The framework oil seal is a typical representative of an oil seal, the oil seal generally refers to a framework oil seal, the oil seal generally has the effect of isolating parts needing lubrication in a transmission part from the external environment and preventing lubricating oil from leaking, the framework can play a role of strengthening like a reinforcing steel bar in a concrete member and can keep the shape and tension of the oil seal, a single-lip framework oil seal and a double-lip framework oil seal can be separated according to the structural form, an auxiliary lip of the double-lip framework oil seal plays a role in dust prevention and prevents external dust, impurities and the like from entering the interior of a machine, the framework oil seal can be separated into an inner-wrapping framework oil seal according to the framework type, the exposed framework oil seal and an assembled oil seal can be separated into a rotating framework oil seal and a reciprocating framework oil seal according to the working condition and used for parts such as a gasoline engine crankshaft, a diesel engine crankshaft, a gearbox, a shock absorber, an engine and an axle.
For example, application No.: the invention relates to a CN201110362390.3 framework oil seal for a mechanical transmission part, which comprises an inner ring, an outer ring, an expansion spring and an extension spring, and is characterized in that: the expansion spring is arranged in a groove formed on the inner ring, and an extension spring is arranged on an outer ring lip matched with the inner ring. The inner ring is in interference fit with a transmission shaft of the mechanical transmission part, and the outer ring is in interference fit with the bracket hole. The inner ring and the outer ring of the framework oil seal are processed into two independent parts, and the two independent parts can move relatively when being arranged in the oil seal of the mechanical transmission part, so that the oil seal has the advantages of good sealing performance, short service life, convenience in installation and maintenance and high working efficiency.
Based on the search of above-mentioned patent to and combine the equipment discovery among the prior art, above-mentioned equipment when using, though can accomplish the leakproofness good and installation easy maintenance's process, but when mechanical parts used, the skeleton oil blanket still can contact the interference of external factor at the in-process of wearing and tearing, for example dust and mechanical parts installation skeleton oil blanket's place receive the collision, lead to the position of installing the skeleton oil blanket to appear the problem of oil leakage.
Disclosure of Invention
The invention aims to provide a framework oil seal for a mechanical transmission part, which aims to solve the problems in the background technology that when the mechanical part is used, the framework oil seal can be interfered by external factors in the abrasion process, such as dust and collision on the part of the mechanical part where the framework oil seal is installed, so that oil leakage occurs at the position where the framework oil seal is installed.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a skeleton oil blanket for mechanical transmission part, includes oil blanket mechanism, fastening device, coupling mechanism, its characterized in that: the rear end of the oil seal mechanism is sleeved in the middle of the front end of the transmission mechanism; the oil seal mechanism is positioned in the clamping mechanism, and the front end of the transmission mechanism penetrates through the middle position of the clamping mechanism; the rear end of the fastening mechanism is fixedly connected with the front end of the clamping mechanism through a screw; the connecting mechanism is fixedly connected with the front end of the transmission mechanism through the matching of the protection mechanism; the protection mechanism comprises a protection base, base block jacks and base block threaded holes, the base block jacks which penetrate through the protection base are formed in the middle of the protection base, and eight base block threaded holes are formed in the outer side position of the front end face of the protection base.
Preferably, drive mechanism is including outer pole, transmission shaft, lip, the body of rod screw hole, and the through-hole has been seted up to outer pole front end axle center position, and the inside front end through-hole of outer pole rotates and is connected with the transmission shaft, and the terminal surface before the lip rear end fixed connection outer pole, transmission shaft are located the lip through-hole, and eight body of rod screw holes have been seted up to the terminal surface before the outer pole.
Preferably, the oil seal mechanism comprises a framework oil seal, a sealing lip and a spring protection lip, a groove is formed in the rear end face of the framework oil seal, the annular sealing lip is arranged on the rear end face of the framework oil seal, the spring protection lip is arranged at the rear end position of the outer side of the sealing lip, and the lip is sleeved in the groove of the framework oil seal in the installation state of the oil seal mechanism.
Preferably, the clamping mechanism comprises a clamping piece A and a clamping piece B, the clamping piece A is semicircular, a semicircular groove is formed in the rear end face of the clamping piece A, a semicircular clamping groove is formed in the lower position of the front end face of the clamping piece A, a threaded hole is formed in the upper position of the clamping piece A, and the clamping piece A and the clamping piece B are rotatably connected through a rotating shaft.
Preferably, the clamping piece B is semicircular, a semicircular groove is formed in the rear end face of the clamping piece B, a semicircular clamping groove is formed in the lower position of the front end face of the clamping piece B, a threaded hole is formed in the lower position of the clamping piece B, the framework oil seal is wrapped in the groove in the rear end of the clamping piece A and the groove in the rear end of the clamping piece B in the installation state of the clamping mechanism, and the transmission shaft penetrates through the clamping groove in the lower portion of the clamping piece A and the clamping groove in the upper portion of the clamping piece B.
Preferably, the fastening mechanism comprises a connecting disc and a disc body socket, a through hole is symmetrically formed in the upper end and the lower end of the front end face of the connecting disc, the disc body socket is formed in the middle of each of the clamping piece A and the clamping piece B, and the connecting disc is fixedly connected to the front end faces of the clamping piece A and the clamping piece B through screws in the mounting state of the fastening mechanism.
Preferably, the base block threaded holes are in an annular array, the transmission shaft penetrates through the base block jack when the protection mechanism is installed, and the protection base is located right in front of the connecting disc.
Preferably, the connecting mechanism comprises a connecting rod and an adjusting groove, the adjusting groove is formed in the front end of the connecting rod and is a hexagonal groove, and the connecting rod penetrates through a threaded hole of the base block and is fixedly connected into a threaded hole of the rod body in the installation state of the connecting mechanism.
Compared with the prior art, the invention has the beneficial effects that:
when outer pole among the drive mechanism and transmission shaft cooperation transmission, skeleton oil blanket among the oil blanket mechanism keeps apart with exerting oneself the part to drive mechanism in the part, be unlikely to let the lubricating oil seepage, clamping piece A and clamping piece B's cooperation through clamping mechanism, including the parcel of skeleton oil blanket, prevent that the skeleton oil blanket from receiving the erosion of dust, construct the damage to the motor, the effect of connection pad is fixed clamping piece A and clamping piece B, prevent that clamping piece A and clamping piece B from appearing rocking the problem of not fastening when carrying out the clamping to the skeleton oil blanket, the effect of the protection base among the protection machanism prevents that oil blanket mechanism from receiving the collision, lead to the condition that the oil seepage appears in the skeleton oil blanket, influence the normal life of skeleton oil blanket.
Drawings
FIG. 1 is a schematic side view of the main structure of the present invention;
FIG. 2 is a schematic view of a half-section side view of the main body structure of the present invention;
FIG. 3 is a side view of the transmission mechanism of the present invention;
FIG. 4 is a schematic diagram of the rear side view of the oil seal mechanism of the present invention;
FIG. 5 is a rear side view of the clamping mechanism of the present invention;
FIG. 6 is a side view of the fastening mechanism of the present invention;
FIG. 7 is a side view of the protection mechanism of the present invention;
FIG. 8 is a side view of the connecting mechanism of the present invention;
in the figure: 1. a transmission mechanism; 101. an outer pole; 102. a drive shaft; 103. a lip opening; 104. a threaded hole of the rod body; 2. an oil seal mechanism; 201. framework oil seal; 202. a sealing lip; 203. protecting the spring lip; 3. a clamping mechanism; 301. a clamping piece A; 302. a clamping piece B; 4. a fastening mechanism; 401. a connecting disc; 402. a disk body socket; 5. a protection mechanism; 501. a protective base; 502. a base block jack; 503. a base block threaded hole; 6. a connecting mechanism; 601. a connecting rod; 602. and (4) adjusting the groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution of a skeleton oil seal for a mechanical transmission component: the utility model provides a skeleton oil blanket for mechanical transmission part, includes oil blanket mechanism 2, fastening device 4, coupling mechanism 6, its characterized in that: the rear end of the oil seal mechanism 2 is sleeved in the middle of the front end of the transmission mechanism 1; the oil seal mechanism 2 is positioned in the clamping mechanism 3, and the front end of the transmission mechanism 1 penetrates through the middle position of the clamping mechanism 3; the rear end of the fastening mechanism 4 is fixedly connected with the front end of the clamping mechanism 3 through a screw; the connecting mechanism 6 is fixedly connected with the front end of the transmission mechanism 1 through the matching of the protection mechanism 5; the protection mechanism 5 comprises a protection base 501, base block jacks 502 and base block threaded holes 503, wherein the base block jacks 502 which are penetrated through are formed in the middle of the protection base 501, and eight base block threaded holes 503 are formed in the outer side of the front end face of the protection base 501.
Wherein, drive mechanism 1 is including outer pole 101, transmission shaft 102, lip 103, body of rod screw hole 104, and the through-hole has been seted up to outer pole 101 front end axle center position, and the inside front end through-hole of outer pole 101 rotates and is connected with transmission shaft 102, and lip 103 rear end fixed connection is at outer pole 101 preceding terminal surface, and transmission shaft 102 is located lip 103 through-hole, and eight body of rod screw holes 104 have been seted up to outer pole 101 preceding terminal surface.
Wherein, oil seal mechanism 2 is including skeleton oil blanket 201, seal lip 202, spring protect lip 203, and skeleton oil blanket 201 rear end face is seted up flutedly, and skeleton oil blanket 201 rear end face is equipped with annular seal lip 202, and seal lip 202 outside rear end position is equipped with spring protect lip 203, and under the installation of oil seal mechanism 2, lip 103 cup joints in skeleton oil blanket 201 recess.
The clamping mechanism 3 comprises a clamping piece A301 and a clamping piece B302, the clamping piece A301 is semicircular, a semicircular groove is formed in the rear end face of the clamping piece A301, a semicircular clamping groove is formed in the lower position of the front end face of the clamping piece A, a threaded hole is formed in the upper position of the clamping piece A, and the clamping piece A301 and the clamping piece B302 are rotatably connected through a rotating shaft.
Wherein, clamping piece B302 is semicircle shape, and the rear end face has seted up semicircular groove, and semicircular clamping groove has been seted up to preceding terminal surface below position, and screw hole has been seted up to below position, and under the clamping mechanism 3 mounted state, clamping piece A301 rear end recess and clamping piece B302 rear end recess are including wrapping up skeleton oil blanket 201, and transmission shaft 102 passes clamping piece A301 below clamping groove and clamping groove above clamping piece B302.
The fastening mechanism 4 comprises a connecting disc 401 and a disc body inserting opening 402, the upper end and the lower end of the front end face of the connecting disc 401 are symmetrically provided with a through hole, the disc body inserting opening 402 is formed in the middle of the clamping piece A301 and the clamping piece B302, and the connecting disc 401 is fixedly connected to the front end faces of the clamping piece A301 and the clamping piece B302 through screws in the installation state of the fastening mechanism 4.
The base block threaded holes 503 are in an annular array, the transmission shaft 102 penetrates through the base block insertion hole 502 in the installation state of the protection mechanism 5, and the protection base 501 is located right in front of the connecting disc 401.
The connecting mechanism 6 comprises a connecting rod 601 and an adjusting groove 602, the adjusting groove 602 is formed in the front end of the connecting rod 601, the adjusting groove 602 is a hexagonal groove, and the connecting rod 601 penetrates through the base block threaded hole 503 and is fixedly connected in the rod body threaded hole 104 in the installation state of the connecting mechanism 6.
The working principle is as follows: when the device needs to work, the device is firstly assembled, firstly, the lip 103 is sleeved in the groove of the framework oil seal 201 to complete the installation process of the oil seal mechanism 2, then the groove at the rear end of the clamping piece A301 and the groove at the rear end of the clamping piece B302 wrap the framework oil seal 201 in the groove, the transmission shaft 102 passes through the clamping groove below the clamping piece A301 and the clamping groove above the clamping piece B302 to complete the installation process of the clamping mechanism 3, then the connecting disc 401 is fixedly connected to the front end surfaces of the clamping piece A301 and the clamping piece B302 through screws to complete the installation process of the fastening mechanism 4, next, the transmission shaft 102 passes through the base block jack 502, the protection base 501 is positioned right in front of the connecting disc 401 to complete the installation process of the protection mechanism 5, and finally the connecting rod 601 passes through the base block threaded hole 503 to be fixedly connected in the rod body threaded hole 104 to complete the installation process of the connecting mechanism 6, when outer pole 101 among the drive mechanism 1 and transmission shaft 102 cooperation transmission, skeleton oil blanket 201 among the oil seal mechanism 2 keeps apart with the part of exerting oneself to parts among the drive mechanism 1, be unlikely to let the lubricating oil seepage, through the cooperation of clamping piece A301 and clamping piece B302 among the clamping mechanism 3, including wrapping up skeleton oil blanket 201, prevent that skeleton oil blanket 201 from receiving the erosion of dust, cause the damage to drive mechanism 1, connection pad 401's effect is fixed clamping piece A301 and clamping piece B302, the problem of not fastening appears rocking when preventing clamping piece A301 and clamping piece B302 from carrying out the clamping to skeleton oil blanket 201, the effect of protection base 501 among the protection machanism 5 prevents that oil blanket mechanism 2 from receiving the collision, lead to the condition that oil seepage appears in skeleton oil blanket 201, influence the normal life of skeleton oil blanket 201.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a skeleton oil blanket for mechanical transmission part, includes oil blanket mechanism (2), fastening device (4), coupling mechanism (6), its characterized in that: the rear end of the oil seal mechanism (2) is sleeved in the middle of the front end of the transmission mechanism (1); the oil seal mechanism (2) is positioned in the clamping mechanism (3), and the front end of the transmission mechanism (1) penetrates through the middle position of the clamping mechanism (3); the rear end of the fastening mechanism (4) is fixedly connected with the front end of the clamping mechanism (3) through a screw; the connecting mechanism (6) is fixedly connected with the front end of the transmission mechanism (1) through the matching of the protection mechanism (5); the protection mechanism (5) comprises a protection base (501), base block jacks (502) and base block threaded holes (503), wherein the base block jacks (502) which are penetrated through are formed in the middle of the protection base (501), and eight base block threaded holes (503) are formed in the outer side of the front end face of the protection base (501);
the transmission mechanism (1) comprises an outer rod (101), a transmission shaft (102), a lip (103) and rod body threaded holes (104), wherein a through hole is formed in the front end axle center of the outer rod (101), the transmission shaft (102) is rotatably connected with the through hole in the front end of the inner part of the outer rod (101), the rear end of the lip (103) is fixedly connected to the front end surface of the outer rod (101), the transmission shaft (102) is located in the through hole in the lip (103), and eight rod body threaded holes (104) are formed in the front end surface of the outer rod (101);
oil blanket mechanism (2) are including skeleton oil blanket (201), seal lip (202), spring lip protector (203), and skeleton oil blanket (201) rear end face is seted up flutedly, and skeleton oil blanket (201) rear end face is equipped with annular seal lip (202), and seal lip (202) outside rear end position is equipped with spring lip protector (203), and under oil blanket mechanism (2) the mounted state, lip (103) cup joint in skeleton oil blanket (201) recess.
2. The framework oil seal for the mechanical transmission part as claimed in claim 1, wherein: the clamping mechanism (3) comprises a clamping piece A (301) and a clamping piece B (302), the clamping piece A (301) is semicircular, a semicircular groove is formed in the rear end face of the clamping piece A, a semicircular clamping groove is formed in the lower position of the front end face of the clamping piece A, a threaded hole is formed in the upper position of the clamping piece A, and the clamping piece A (301) is rotatably connected with the clamping piece B (302) through a rotating shaft.
3. The framework oil seal for mechanical transmission parts as claimed in claim 2, wherein: clamping piece B (302) is the semicircle form, and the rear end face has seted up semicircular groove, and semicircular clamping groove has been seted up to preceding terminal surface top position, and the position of below has seted up the screw hole, and under clamping mechanism (3) installation state, including clamping piece A (301) rear end recess and clamping piece B (302) rear end recess wrap up skeleton oil blanket (201), transmission shaft (102) pass clamping piece A (301) below clamping groove and clamping piece B (302) top clamping groove.
4. The framework oil seal for mechanical transmission parts as claimed in claim 2, wherein: fastening device (4) are including connection pad (401), disk body socket (402), and a through-hole has been seted up to both ends symmetry about connection pad (401) preceding terminal surface, and under fastening device (4) installation condition, connection pad (401) are through screw fixed connection in clamping piece A (301) and clamping piece B (302) preceding terminal surface.
5. The framework oil seal for the mechanical transmission part as claimed in claim 4, wherein: the base block threaded holes (503) are in an annular array, the transmission shaft (102) penetrates through the base block insertion holes (502) in the installation state of the protection mechanism (5), and the protection base (501) is located right in front of the connecting disc (401).
6. The framework oil seal for the mechanical transmission part as claimed in claim 1, wherein: the connecting mechanism (6) comprises a connecting rod (601) and an adjusting groove (602), the adjusting groove (602) is formed in the front end of the connecting rod (601), the adjusting groove (602) is a hexagonal groove, and in the installation state of the connecting mechanism (6), the connecting rod (601) penetrates through a base block threaded hole (503) to be fixedly connected into a rod body threaded hole (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011266419.3A CN112377620B (en) | 2020-11-13 | 2020-11-13 | Framework oil seal for mechanical transmission part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011266419.3A CN112377620B (en) | 2020-11-13 | 2020-11-13 | Framework oil seal for mechanical transmission part |
Publications (2)
| Publication Number | Publication Date |
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| CN112377620A CN112377620A (en) | 2021-02-19 |
| CN112377620B true CN112377620B (en) | 2022-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011266419.3A Active CN112377620B (en) | 2020-11-13 | 2020-11-13 | Framework oil seal for mechanical transmission part |
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| CN (1) | CN112377620B (en) |
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| CN206754327U (en) * | 2017-05-11 | 2017-12-15 | 青岛港国际股份有限公司 | The external sealing device of later period maintenance reduction box |
| CN208316545U (en) * | 2018-07-03 | 2019-01-01 | 孔军民 | A kind of hub motor structure |
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| 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 |
| CN209762199U (en) * | 2018-12-27 | 2019-12-10 | 南京高精轨道交通设备有限公司 | Protective structure of electric automobile reduction gearbox and oil seal protection expansion sleeve thereof |
| CN211481045U (en) * | 2019-10-21 | 2020-09-11 | 苏州绿控传动科技股份有限公司 | Motor output waterproof construction |
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2020
- 2020-11-13 CN CN202011266419.3A patent/CN112377620B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202574349U (en) * | 2012-05-15 | 2012-12-05 | 东莞恩斯克转向器有限公司 | Dustproof and waterproof reinforced direction machine |
| CN202966470U (en) * | 2012-11-26 | 2013-06-05 | 湖州丰源农业装备制造有限公司 | Oil seal structure suitable for combine-harvester thrust wheels |
| CN206398243U (en) * | 2016-12-29 | 2017-08-11 | 贵州美高机械有限公司 | A kind of stepped oil seal cover |
| CN206754327U (en) * | 2017-05-11 | 2017-12-15 | 青岛港国际股份有限公司 | The external sealing device of later period maintenance reduction box |
| CN208474344U (en) * | 2018-06-29 | 2019-02-05 | 安徽江淮汽车集团股份有限公司 | A kind of oil seal of differential protecting tool set-up |
| CN208316545U (en) * | 2018-07-03 | 2019-01-01 | 孔军民 | A kind of hub motor structure |
| 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 |
| CN209762199U (en) * | 2018-12-27 | 2019-12-10 | 南京高精轨道交通设备有限公司 | Protective structure of electric automobile reduction gearbox and oil seal protection expansion sleeve thereof |
| CN211481045U (en) * | 2019-10-21 | 2020-09-11 | 苏州绿控传动科技股份有限公司 | Motor output waterproof construction |
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| CN112377620A (en) | 2021-02-19 |
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Effective date of registration: 20221109 Address after: 518000 plant 2201-101, No. 4, Zhangbei Haoxian Road, Zhangbei community, Longcheng street, Longgang District, Shenzhen City, Guangdong Province Applicant after: Shenzhen guanlixin rubber products Co.,Ltd. Address before: Anhui Zhongcheng Conveying Machinery Group Co., Ltd., No. 18, Longchi North Road, Tongcheng Economic Development Zone, Anqing City, Anhui Province Applicant before: Zhang Wenqin |
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