CN202768791U - Combined sealing device for shaft end of speed reducer - Google Patents

Combined sealing device for shaft end of speed reducer Download PDF

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Publication number
CN202768791U
CN202768791U CN 201220293518 CN201220293518U CN202768791U CN 202768791 U CN202768791 U CN 202768791U CN 201220293518 CN201220293518 CN 201220293518 CN 201220293518 U CN201220293518 U CN 201220293518U CN 202768791 U CN202768791 U CN 202768791U
Authority
CN
China
Prior art keywords
oil
transparent cover
disc
assembled
shaft end
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN 201220293518
Other languages
Chinese (zh)
Inventor
杨孟云
孙茂青
聂启春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NANJING JINXIN TRANSMISSION EQUIPMENT CO Ltd
Original Assignee
NANJING JINXIN TRANSMISSION EQUIPMENT CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NANJING JINXIN TRANSMISSION EQUIPMENT CO Ltd filed Critical NANJING JINXIN TRANSMISSION EQUIPMENT CO Ltd
Priority to CN 201220293518 priority Critical patent/CN202768791U/en
Application granted granted Critical
Publication of CN202768791U publication Critical patent/CN202768791U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a combined sealing device for a shaft end of a speed reducer. The combined sealing device mainly comprises an oil slinger, a transparent cover, an oil seal, an adjusting washer and a transmission shaft, wherein a section of convex step is arranged at the internal end of the oil slinger and is provided a sawteeth front end and a rectangular teeth rear end respectively; sawteeth are further arranged on the oil slinger on the rear part of the step; the oil slinger is assembled on the transmission shaft; the transparent cover is assembled on the external side of the oil slinger; the oil seal is assembled in a counter bore on the external end face of the transparent cover and is sleeved on a smooth surface of the oil slinger; and the adjusting washer is mounted on the transparent cover on the external side of the oil seal via a bolt. According to the combined sealing device provided by the utility model, the sawteeth part of the oil slinger can achieve the effect of slinging oil, and sling the oil between a bearing and the inner chamber of the transparent cover to the surface of the transparent cover, and the oil then flows into a tank through an oil return hole; a very small clearance is reserved between the top of the rectangular teeth and the inside of the transparent cover, so as to achieve a certain sealing effect and help to effectively prevent oil leakage phenomenon after oil sealing, and furthermore, the sealing effect is good and external dust can be prevented from entering into the speed reducer.

Description

A kind of sealer with assembled of reducer shaft end
Technical field
The utility model relates to a kind of retarder seal arrangement, relates in particular to the sealer with assembled of the reducer shaft end of the flexuose disc used on a kind of reducer shaft and oil sealing combination.
Background technique
Retarder is finished by the normal oil leakage phenomenon that occurs in assembling, and leakage of oil place is generally the transparent cover part of input and output shaft axle head.During lubricating bearings, the oilhole of lubricant oil from bearing support, oil-feed port enters bearing inside through the middle part of bearing, a lubricant oil part that flows out in the bearing is directly got back in the reduction case, a part is got back between the inner chamber of bearing and end cap, this part oil might leak from transparent cover, causes the loss of lubricant oil.The dust of outside also might enter retarder inside by transparent cover, reduces the working life of machine.
The model utility content
Technical problem to be solved in the utility model is, overcome the shortcoming of prior art, propose the sealer with assembled of the reducer shaft end of the flexuose disc used on a kind of reducer shaft and oil sealing combination, realize the zero leakage of lubricant oil, effectively avoid entering of external dust.
In order to solve above technical problem, the utility model provides a kind of sealer with assembled of reducer shaft end, mainly comprise disc, transparent cover, oil sealing, adjustment packing ring and transmission shaft, the inner of described disc has the ladder of one section protrusion, rear and front end on the described ladder is respectively sawtooth and rectangular teeth, also be provided with one section sawtooth on the disc at described ladder rear portion, all the other disc surfaces are smooth surface; Described disc is assemblied on the transmission shaft, and described transparent cover is assemblied in the described disc outside, and the rectangular teeth on the described disc ladder encircles Matching installation in described transparent cover; Described oil sealing is assemblied in the counterbore of described transparent cover exterior edge face, and is socketed on the smooth surface of described disc; Described adjustment packing ring is installed on the transparent cover in the described oil sealing outside through bolt.
The technological scheme that the utility model further limits is: the sealer with assembled of aforesaid reducer shaft end, described disc and transmission shaft adopt the interference assembling.
The sealer with assembled of aforesaid reducer shaft end, the sawtooth direction of described disc is partial to bearing one side for being inclined upwardly, sawtooth is to make the oil of inner chamber between disc and the bearing through the oil effect of getting rid of of sawtooth towards the benefit of bearing direction, oil is thrown to the inside one side of inner chamber, and can not enter in the sawtooth space of back by the gap of rectangular teeth and transparent cover inboard.
Further, the sealer with assembled of aforesaid reducer shaft end, ring diameter coupling in described rectangular teeth external diameter and the described transparent cover.
The beneficial effects of the utility model are: the sealer with assembled that the utility model provides, the sawtooth position of its disc can play the effect of getting rid of oil, the oil between the inner chamber of bearing and transparent cover are thrown to transparent cover surface and in spill port inflow casing; Its rectangular teeth top and transparent cover internal void are very little, can play certain seal action, and auxiliary can effectively prevent the generation of oil leakage phenomenon behind the oil sealing, sealing effect is fine, and can prevent that external dust from entering retarder inside.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model disc structural representation.
Embodiment
Embodiment 1
The sealer with assembled of a kind of reducer shaft end that present embodiment provides, structure as depicted in figs. 1 and 2, mainly comprise disc 1, transparent cover 3, oil sealing 2, adjust packing ring 7 and transmission shaft 8, the inner of disc 1 has the ladder 1-1 of one section protrusion, rear and front end on the ladder is respectively sawtooth 1-2 and rectangular teeth 1-3, on the disc at ladder rear portion, also be provided with one section sawtooth 1-4, all the other disc surfaces are smooth surface, the oil effect of getting rid of of sawtooth is the inside that is thrown to inner chamber when lubricant oil on the ladder that protrudes, make it can not pass through the gap of rectangular teeth and transparent cover inboard, thereby play the effect of sealing; Disc 1 interference is assemblied on the transmission shaft 8, and transparent cover 3 is assemblied in disc 1 outside, ring Matching installation in the rectangular teeth on the disc ladder and the transparent cover; Oil sealing 2 is assemblied in the counterbore of transparent cover exterior edge face, and is socketed on the smooth surface of disc 1; Adjusting packing ring 7 is installed on the transparent cover 3 in the oil sealing outside through bolt.
In the present embodiment, the oilhole 4 of lubricant oil from bearing support, enter bearing 5 inside through the middle part of bearing 5 oil-feed port, directly get back in the reduction case from the lubricant oil part of bearing 5 interior outflows, a part is got back between the inner chamber of bearing 5 and transparent cover 3, be thrown to transparent cover 3 internal surfaces during the most of sawtooth through disc 1 front end of the oil in the inner chamber, final by in the spill port 6 inflow casings, because the internal surface gaps of the wider rectangular teeth on the disc 1 and transparent cover 3 is very little, stop the rear end of the oil inflow disc 1 of inner chamber simultaneously.If there is oil to enter into the rear end of disc 1, then the sawtooth of disc 1 rear end is thrown to the internal surface of transparent cover 3 with oil, and the sealing of oil sealing 2 so that oil can only flow in the inner chamber again.By the dual double seal of getting rid of oil, rectangular teeth and oil sealing 2 of the front end and back end sawtooth of disc 1, finally realize the zero leakage of reducer shaft end.
In addition to the implementation, the utility model can also have other mode of executions.All employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.

Claims (4)

1. the sealer with assembled of a reducer shaft end, mainly comprise disc, transparent cover, oil sealing, adjustment packing ring and transmission shaft, it is characterized in that: the inner of described disc has the ladder of one section protrusion, rear and front end on the described ladder is respectively sawtooth and rectangular teeth, also be provided with one section sawtooth on the disc at described ladder rear portion, all the other disc surfaces are smooth surface; Described disc is assemblied on the transmission shaft, and described transparent cover is assemblied in the described disc outside, and the rectangular teeth on the described disc ladder encircles Matching installation in described transparent cover; Described oil sealing is assemblied in the counterbore of described transparent cover exterior edge face, and is socketed on the smooth surface of described disc; Described adjustment packing ring is installed on the transparent cover in the described oil sealing outside through bolt.
2. require the sealer with assembled of described reducer shaft end according to right 1, it is characterized in that: the sawtooth direction of described disc is partial to bearing one side for being inclined upwardly.
3. require the sealer with assembled of described reducer shaft end according to right 1, it is characterized in that: described disc and transmission shaft adopt the interference assembling.
4. require the sealer with assembled of described reducer shaft end according to right 2, it is characterized in that: ring diameter coupling in described rectangular teeth external diameter and the described transparent cover.
CN 201220293518 2012-06-21 2012-06-21 Combined sealing device for shaft end of speed reducer Expired - Lifetime CN202768791U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220293518 CN202768791U (en) 2012-06-21 2012-06-21 Combined sealing device for shaft end of speed reducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220293518 CN202768791U (en) 2012-06-21 2012-06-21 Combined sealing device for shaft end of speed reducer

Publications (1)

Publication Number Publication Date
CN202768791U true CN202768791U (en) 2013-03-06

Family

ID=47775367

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220293518 Expired - Lifetime CN202768791U (en) 2012-06-21 2012-06-21 Combined sealing device for shaft end of speed reducer

Country Status (1)

Country Link
CN (1) CN202768791U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105179657A (en) * 2015-07-17 2015-12-23 共享装备有限公司 Shaft end dustproof sealing device for output shaft of speed reducer
CN106143661A (en) * 2016-08-01 2016-11-23 昆山土山建设部件有限公司 Directive wheel for crawler type chassis
CN106286609A (en) * 2016-08-09 2017-01-04 浙江金澳兰机床有限公司 A kind of punch press transmission shafts socket end seals structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105179657A (en) * 2015-07-17 2015-12-23 共享装备有限公司 Shaft end dustproof sealing device for output shaft of speed reducer
CN106143661A (en) * 2016-08-01 2016-11-23 昆山土山建设部件有限公司 Directive wheel for crawler type chassis
CN106286609A (en) * 2016-08-09 2017-01-04 浙江金澳兰机床有限公司 A kind of punch press transmission shafts socket end seals structure

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CX01 Expiry of patent term

Granted publication date: 20130306

CX01 Expiry of patent term