Worm gear with lubricating oil guide structure
Technical Field
The utility model belongs to the technical field of the transmission spare part, a worm gear with lubricating oil guide structure is related to.
Background
The worm is a gear which has one or more spiral teeth and is meshed with a worm wheel to form a staggered shaft gear pair, and the indexing curved surface of the worm can be a cylindrical surface, a conical surface or a circular surface. The worm transmission is composed of a worm and a worm wheel and is used for transmitting motion and power between staggered shafts, the staggered angle of the two shafts is usually 90 degrees, in the common worm transmission, the worm is used as a driving part, the worm is similar to a bolt in appearance, the worm wheel is very similar to a helical gear, and when the worm wheel works, the gear teeth of the worm wheel slide and roll along the helical surface of the worm.
In order to make the use of the worm more extensive, the existing worm is only used for realizing the transmission with the worm wheel, but also can add the auxiliary worm wheel on the worm to provide more transmission opportunities, when the worm is connected with the worm wheel, the worm is usually limited and fixed only by a key or a pin, the problem of poor locking performance is mainly existed, in order to solve the problem, the worm can be improved by the insection connection, although the insection connection is favorable for better transmission, the problem of insufficient lubricity after long-time transmission may exist, and the parts are seriously abraded and generate noise.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, provide a worm gear with lubricating oil guide structure.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model provides a worm gear with lubricating oil guide structure, includes the worm body, its characterized in that, the worm body on be equipped with transmission section and linkage segment, transmission section and linkage segment between have the cooperation section, the junction of linkage segment and cooperation section is provided with the lock tooth structure that is used for worm body and worm wheel to cooperate the locking, the cooperation section on be provided with and lead oily structure, the one end and the inside of lock tooth structure of leading oily structure are linked together, lead oily structure can lead oil from transmission section one side to linkage segment one side.
In the worm gear with the lubricating oil guide structure, the diameter of the matching section is larger than that of the connecting section, a limiting step is formed at the joint of the matching section and the connecting section, and the locking tooth structure is arranged on the limiting step.
In the worm gear with the lubricating oil guide structure, the limit step is obliquely connected with the end part of the matching section and the end part of the connecting section, and the lock tooth structure is arranged on the oblique surface of the limit step.
In the above worm gear with the lubricating oil guide structure, the locking tooth structure comprises a plurality of locking teeth which are arranged on the limiting step and are used for being meshed and fixed with the worm wheel, and the locking teeth are circumferentially and uniformly distributed on the inclined surface of the limiting step.
In foretell worm gear with lubricating oil guide structure, lead oil structure include the oil feed passageway and lead the oil subassembly, the oil feed passageway set up on the outer peripheral face of cooperation section, lead the oil subassembly set up and communicate the locking tooth on oil feed passageway and the spacing step between oil feed passageway and the spacing step.
In the above-mentioned worm gear with lubricating oil guide structure, lead oily subassembly including leading the oil seat, the diameter of leading the oil seat is less than the diameter of cooperation section, lead and set up the water conservancy diversion hole that supplies interior fluid of oil feed passageway to get into on the oil seat.
In the worm gear with the lubricating oil guide structure, the oil inlet channels are spirally and uniformly distributed on the outer peripheral surface of the matching section in a rotating manner.
In the worm gear with the lubricating oil guide structure, the bottom diameter of the limit step is the same as the diameter of the oil guide seat.
In the worm gear with the lubricating oil guide structure, the connecting section is provided with a positioning structure for guiding and positioning when the worm body is connected with the worm wheel.
In the above worm gear with lubricating oil guide structure, the positioning structure comprises a plurality of guide ribs arranged on the connecting section, each guide rib is arranged along the length direction of the connecting section, and the plurality of guide ribs are uniformly distributed along the circumferential direction of the outer surface of the connecting section.
Compared with the prior art, the utility model has the advantages of: the utility model discloses a linkage segment is provided with the lock tooth structure that is used for worm body and worm wheel to cooperate the locking with the junction of cooperation section, is provided with in the cooperation section and leads oily structure, leads the one end of oily structure and is linked together with lock tooth structure is inside, leads oily structure can lead oil to linkage segment one side from transmission section one side, can directly mould oil to the junction of worm body and worm wheel through leading oily structure, conveniently channels into lubricating oil.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of a partial structure of the present invention.
In the figure, 1, a worm body; 2. a transmission section; 3. a connecting section; 4. a mating segment; 5. a lock tooth structure; 6. an oil guiding structure; 7. a limiting step; 8. a locking tooth; 9. an oil inlet channel; 10. an oil guide assembly; 11. an oil guide seat; 12. a flow guide hole; 13. a positioning structure; 14. and a guide rib.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 and 2, a worm gear with a lubricating oil guiding structure comprises a worm body 1, a transmission section 2 and a connection section 3 are arranged on the worm body 1, a matching section 4 is arranged between the transmission section 2 and the connection section 3, a locking tooth structure 5 used for locking the worm body 1 and the worm gear in a matching manner is arranged at the joint of the connection section 3 and the matching section 4, an oil guiding structure 6 is arranged on the matching section 4, one end of the oil guiding structure 6 is communicated with the inside of the locking tooth structure 5, and the oil guiding structure 6 can guide oil from one side of the transmission section 2 to one side of the connection section 3.
In this embodiment, the junction of linkage segment 3 and cooperation section 4 is provided with the lock tooth structure 5 that is used for worm body 1 and worm wheel to cooperate the locking, is provided with on the cooperation section 4 and leads oily structure 6, leads the inside of one end and the lock tooth structure 5 of oily structure 6 and is linked together, leads oily structure 6 and can lead oil to linkage segment 3 one side from 2 one sides of transmission section, can directly mould oil to the junction of worm body 1 and worm wheel through leading oily structure 6, conveniently leads into lubricating oil.
In further detail, the diameter of the matching section 4 is larger than that of the connecting section 3, a limiting step 7 is formed at the joint of the matching section 4 and the connecting section 3, and the locking tooth structure 5 is arranged on the limiting step 7. The purpose of excessive connection and matching when the locking tooth structure 5 is connected with the worm wheel can be further limited through the limiting step 7.
In order to facilitate the processing of the locking tooth structure 5, the limiting step 7 is obliquely connected with the end part of the matching section 4 and the end part of the connecting section 3, and the locking tooth structure 5 is arranged on the oblique surface of the limiting step 7.
In this embodiment, the locking tooth structure 5 includes a plurality of locking teeth 8 that are used for meshing with the worm wheel and fix on the spacing step 7, and locking teeth 8 circumference evenly distributed is on the inclined surface of spacing step 7.
In this embodiment, lead oil structure 6 and include oil feed passageway 9 and lead oil subassembly 10, oil feed passageway 9 sets up on the outer peripheral face of cooperation section 4, leads oil subassembly 10 and sets up the locking tooth 8 that communicates oil feed passageway 9 and spacing step 7 between oil feed passageway 9 and the spacing step 7.
Preferably, the oil guiding assembly 10 includes an oil guiding seat 11, a diameter of the oil guiding seat 11 is smaller than a diameter of the matching section 4, so that the lubricating oil can better enter the oil guiding seat 11, and a flow guiding hole 12 for the oil in the oil inlet channel 9 to enter is formed in the oil guiding seat 11.
In order to improve the flow guidance of the lubricating oil, the oil inlet channels 9 are spirally and uniformly distributed on the outer peripheral surface of the matching section 4 in a rotating manner.
Preferably, the bottom diameter of the limit step 7 is the same as the diameter of the oil guide seat 11.
Be provided with location structure 13 that is used for direction location when worm body 1 is connected with the worm wheel on the linkage segment 3, further saying in detail, location structure 13 is including setting up a plurality of direction ribs 14 on linkage segment 3, and every direction rib 14 sets up along the length direction of linkage segment 3, and a plurality of direction ribs 14 along the surface circumference evenly distributed of linkage segment 3. The guidance of the worm wheel and the worm body 1 during connection can be improved through the guide ribs 14.
The technical effects of the utility model are that: the junction of linkage segment 3 and cooperation section 4 is provided with the lock tooth structure 5 that is used for worm body 1 and worm wheel cooperation locking, the locking tooth 8 of lock tooth structure 5 sets up on the inclined plane of spacing step 7, when the worm wheel is connected with worm body 1, set up to be provided with on cooperation section 4 and lead oil structure 6, can be covered through lock tooth structure 5, can't directly add lubricating oil, at this moment, utilize the leading-in lubricating oil of oil feed passageway 9 to lead on oil seat 11, then utilize guiding hole 12 messenger fluid and locking tooth 8 to contact.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms worm body 1, transmission section 2, connecting section 3, fitting section 4, locking tooth structure 5, oil guiding structure 6, limit step 7, locking tooth 8, oil inlet channel 9, oil guiding assembly 10, oil guiding seat 11, flow guiding hole 12, positioning structure 13, guiding rib 14, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.