CN210715749U - Transmission case with self-lubricating function - Google Patents
Transmission case with self-lubricating function Download PDFInfo
- Publication number
- CN210715749U CN210715749U CN201921247449.2U CN201921247449U CN210715749U CN 210715749 U CN210715749 U CN 210715749U CN 201921247449 U CN201921247449 U CN 201921247449U CN 210715749 U CN210715749 U CN 210715749U
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- oil
- transmission case
- connecting rod
- driving gear
- storage tank
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Abstract
The utility model provides a transmission case with self-lubricating function, which comprises a transmission case body, wherein a driving gear and a driven gear which are mutually meshed are arranged in the transmission case body, an oil storage tank is arranged at the top of the transmission case body, a chute is arranged at the bottom of the oil storage tank, and the oil storage tank is communicated with the chute through an oil drip hole; a connecting rod is arranged in the sliding groove in a sliding manner, and an oil duct is arranged in the connecting rod; the lower end of the connecting rod is provided with a clamping part which can be clamped with the tooth socket of the driving gear under the action of the reset spring; when the driving gear rotates, the connecting rod can move along the sliding groove under the extrusion of the gear teeth, so that the oil duct is aligned with the oil dripping hole, lubricating oil can flow into the tooth groove along the oil duct, the meshing surface of the gear is automatically lubricated, and the abrasion of the gear is reduced.
Description
Technical Field
The utility model relates to a transmission technical field, concretely relates to transmission with self-lubricating function.
Background
The transmission case is a mechanical part used for transmitting power to an actuating device and enabling the actuating device to obtain corresponding rotating speed, and is widely applied to the mechanical fields of petroleum, metallurgy and the like.
When the gears in the transmission case are not sufficiently lubricated, an oil film between the meshing tooth surfaces disappears, so that the metal surfaces of the two gears are in direct contact, when the two tooth surfaces continue to move relatively, the abrasion between the gears is large, and the tooth roots of the gears are broken after the gears move for a long time, so that the service life of the gears is influenced.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a transmission case with self-lubricating function.
A transmission case with a self-lubricating function comprises a transmission case body, wherein a driving gear and a driven gear which are meshed with each other are arranged in the transmission case body, an oil storage tank is arranged at the top of the transmission case body, a sliding groove is formed in the bottom of the oil storage tank, and the oil storage tank is communicated with the sliding groove through an oil drip hole; a connecting rod is arranged in the sliding groove in a sliding manner, and an oil duct with two communicated ends is formed in the connecting rod;
the lower end of the connecting rod is provided with a clamping part which is clamped with the tooth groove of the driving gear; the connecting rod is driven by the driving gear to slide in the sliding groove in the direction away from the driving gear, and at least the oil passage is communicated with the oil dripping hole;
a return spring is arranged in the sliding chute, and two ends of the return spring are respectively fixedly connected with the sliding chute and the connecting rod; when the oil duct is communicated with the oil dripping hole, the reset spring has the tendency of recovering the initial state.
Preferably, when the clamping portion is abutted to the outer end of the gear tooth of the driving gear, the oil duct is communicated with the oil dripping hole.
Preferably, an oil dropping disc is arranged below the driving gear and the driven gear, the oil dropping disc is in sliding connection with the transmission case body through a moving groove, and the bottom of the oil dropping disc is provided with an oil leakage hole; and a through hole for the oil dropping disc to pass through is formed in the side wall of the transmission case body.
Preferably, the top of the oil storage tank is provided with an oil filling hole and a dust plug in threaded connection with the oil filling hole.
The utility model has the advantages that: 1. the top of the transmission case body is provided with an oil storage tank, the bottom of the oil storage tank is provided with a connecting rod with an oil duct in a sliding manner, and when the driving gear rotates, the connecting rod can move along the sliding groove under the extrusion of gear teeth, so that the oil duct is aligned with an oil dripping hole at the bottom of the oil storage tank, lubricating oil can flow into the tooth space along the oil duct, and the meshing surface of the gear is automatically lubricated; 2. the oil dropping disc is arranged below the driving gear and the driven gear, and redundant lubricating oil can fall into the oil dropping disc, so that the lubricating oil is convenient to recycle.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a schematic structural view of an oil storage tank in an embodiment of the present invention;
the figures in the drawings represent:
1. transmission case body 2, driving gear 3, driven gear 4, oil storage tank 5 and oil filler point
6. Dustproof plug 7, oil drip hole 8, connecting rod 9, sliding groove 10 and return spring
11. An oil passage 12, a moving groove 13, an oil dropping disc 14, a through hole 15 and an oil leakage hole.
Detailed Description
The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be understood that the terms "front", "back", "left", "right", "up", "down", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 and 2, the transmission case with the self-lubricating function comprises a transmission case body 1, a driving gear 2 and a driven gear 3 which are meshed with each other are arranged in the transmission case body 1, and an oil storage tank 4 for storing lubricating oil is arranged at the top of the transmission case body 1. An oil filling hole 5 is formed in the top of the oil storage tank 4, and a dustproof plug 6 is in threaded connection with the oil filling hole 5; an oil dripping hole 7 is formed in the bottom of the oil storage tank 4, and a connecting rod 8 is arranged below the oil dripping hole 7.
The upper end of the connecting rod 8 is connected with the oil storage tank 4 in a sliding way through a sliding chute 9, and the sliding chute 9 is communicated with the oil storage tank 4 through an oil dripping hole 7. A return spring 10 is arranged in the sliding chute 9, the return spring 10 is transversely arranged, and two ends of the return spring 10 are respectively fixedly connected with the sliding chute 9 and the connecting rod 8. The lower extreme of connecting rod 8 is equipped with bellied joint portion, joint portion can be under reset spring 10 the effect with the tooth's socket joint of driving gear 2 (joint portion is the direction inclined plane with the contact surface of driving gear 2). An oil duct 11 with two communicated ends is arranged in the connecting rod 8.
When the driving gear 2 rotates, the connecting rod 8 can move rightwards along the sliding chute 9 under the extrusion of the gear teeth. When joint portion and the teeth of a cogwheel outer end butt of driving gear 2, oil duct 11 aligns with the oil drip hole 7 of oil storage tank 4 bottom to make lubricating oil flow in oil duct 11. When the clamping part is clamped into the tooth socket of the driving gear 2 again under the restoring force action of the return spring 10, the lubricating oil in the oil duct 11 can flow into the tooth socket to automatically lubricate the meshing tooth surface of the driving gear 2; the meshing tooth surface on the driven gear 3 can be lubricated along with the meshing transmission of the driving gear 2, and the abrasion between the gears is effectively reduced.
An oil dropping disc 13 is also arranged below the driving gear 2 and the driven gear 3 in a sliding way through a moving groove 12, and redundant lubricating oil on the gears can drop into the oil dropping disc 13; the side wall of the transmission case body 1 is provided with a through hole 14 for the oil dropping disc 13 to pass through, and the bottom of the oil dropping disc 13 is provided with an oil leakage hole 15 (a leakage stopper is arranged in the hole). The oil dropping disc 13 can be cleaned only by being pulled out from the through hole 14, so that the lubricating oil can be recycled conveniently.
Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.
Claims (4)
1. The utility model provides a transmission case with self-lubricating function, includes the transmission case box, be equipped with intermeshing's driving gear and driven gear in the transmission case box, its characterized in that: an oil storage tank is arranged at the top of the transmission case body, a sliding groove is formed in the bottom of the oil storage tank, and the oil storage tank is communicated with the sliding groove through an oil dripping hole; a connecting rod is arranged in the sliding groove in a sliding manner, and an oil duct with two communicated ends is formed in the connecting rod;
the lower end of the connecting rod is provided with a clamping part which is clamped with the tooth groove of the driving gear; the connecting rod is driven by the driving gear to slide in the sliding groove in the direction away from the driving gear, and at least the oil passage is communicated with the oil dripping hole;
a return spring is arranged in the sliding chute, and two ends of the return spring are respectively fixedly connected with the sliding chute and the connecting rod; when the oil duct is communicated with the oil dripping hole, the reset spring has the tendency of recovering the initial state.
2. The transmission case with the self-lubricating function according to claim 1, wherein: when the clamping portion is abutted against the outer end of the gear teeth of the driving gear, the oil duct is communicated with the oil dripping hole.
3. The transmission case with the self-lubricating function according to claim 2, wherein: an oil dropping disc is arranged below the driving gear and the driven gear, the oil dropping disc is in sliding connection with the transmission case body through a moving groove, and the bottom of the oil dropping disc is provided with an oil leakage hole; and a through hole for the oil dropping disc to pass through is formed in the side wall of the transmission case body.
4. The transmission case with the self-lubricating function according to claim 2, wherein: the top of oil storage tank is equipped with the oil filler point and with oil filler point threaded connection's dustproof stopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921247449.2U CN210715749U (en) | 2019-08-02 | 2019-08-02 | Transmission case with self-lubricating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921247449.2U CN210715749U (en) | 2019-08-02 | 2019-08-02 | Transmission case with self-lubricating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210715749U true CN210715749U (en) | 2020-06-09 |
Family
ID=70966398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921247449.2U Expired - Fee Related CN210715749U (en) | 2019-08-02 | 2019-08-02 | Transmission case with self-lubricating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210715749U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113664802A (en) * | 2021-09-01 | 2021-11-19 | 江苏昱博自动化设备有限公司 | Power-assisted manipulator structure based on four-way rotating seat type |
| CN114352714A (en) * | 2022-01-20 | 2022-04-15 | 中村精机（无锡）有限公司 | Gear lubricating mechanism |
-
2019
- 2019-08-02 CN CN201921247449.2U patent/CN210715749U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113664802A (en) * | 2021-09-01 | 2021-11-19 | 江苏昱博自动化设备有限公司 | Power-assisted manipulator structure based on four-way rotating seat type |
| CN114352714A (en) * | 2022-01-20 | 2022-04-15 | 中村精机（无锡）有限公司 | Gear lubricating mechanism |
| CN114352714B (en) * | 2022-01-20 | 2024-03-12 | 中村精机（无锡）有限公司 | Gear lubrication mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200609 Termination date: 20210802 |