CN213808734U - Transmission worm with auxiliary worm wheel - Google Patents
Transmission worm with auxiliary worm wheel Download PDFInfo
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- CN213808734U CN213808734U CN202022983420.XU CN202022983420U CN213808734U CN 213808734 U CN213808734 U CN 213808734U CN 202022983420 U CN202022983420 U CN 202022983420U CN 213808734 U CN213808734 U CN 213808734U
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- worm
- worm wheel
- transmission
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- drive
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 90
- 230000000694 effects Effects 0.000 description 3
- 238000007792 addition Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a transmission worm subassembly with vice worm wheel belongs to transmission spare part technical field. It has solved the poor problem of current transmission worm subassembly cooperativity. The transmission worm assembly with the auxiliary worm wheel comprises a connecting worm, wherein an axial transmission section and a radial connection section are arranged on the connecting worm, transmission threads are processed on the axial transmission section, a transmission worm wheel and a worm wheel sleeve are arranged on the radial connection section, a locking structure used for limiting circumferential rotation of the transmission worm wheel is arranged on the connecting worm, one end of the transmission worm wheel is connected with the locking structure, and the other end of the transmission worm wheel is abutted to the worm wheel sleeve to perform axial limiting. The utility model has the advantage of good matching.
Description
Technical Field
The utility model belongs to the technical field of the transmission spare part, a transmission worm with vice worm wheel 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, and the worm is additionally provided with the auxiliary worm wheel to provide more transmission opportunities, when the worm is connected with the worm wheel, the fixed worm wheel is limited only by a key or a pin, and the main defects exist: when the worm is in transmission, a connection gap exists between the worm and the worm wheel, and the caused radial play can cause the precision of the auxiliary worm wheel to be reduced when the auxiliary worm wheel is in transmission with other worms, so that the friction between the auxiliary worm wheel and the other worm wheel is intensified, and the service life of the auxiliary worm wheel is reduced after the auxiliary worm wheel is abraded.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, provide a good transmission worm with vice worm wheel of cooperation nature.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the transmission worm assembly with the auxiliary worm wheel comprises a connecting worm and is characterized in that an axial transmission section and a radial connection section are arranged on the connecting worm, transmission threads are machined on the axial transmission section, a transmission worm wheel and a worm wheel sleeve are arranged on the radial connection section, a locking structure used for limiting circumferential rotation of the transmission worm wheel is arranged on the connecting worm, one end of the transmission worm wheel is connected with the locking structure, and the other end of the transmission worm wheel is abutted against the worm wheel sleeve to perform axial limiting.
In the transmission worm with the auxiliary worm wheel, a middle section is arranged between the radial connecting section and the axial transmission section, the diameter of the middle section is larger than that of the radial connecting section, a limiting step is formed at the joint of the middle section and the radial connecting section, and the locking structure is arranged on the limiting step.
In the above-mentioned transmission worm with the auxiliary worm wheel, the locking structure includes a locking base provided on the limit step, and the locking base is provided with locking teeth for being engaged and fixed with the transmission worm wheel.
In the above-mentioned transmission worm with the auxiliary worm wheel, the locking teeth are circumferentially and uniformly distributed on the side surface of the locking base.
In the above-mentioned drive worm with the auxiliary worm wheel, the locking base is arranged in a trumpet shape and has an inclined side surface, and one end of the small diameter of the locking base faces one side of the radial connecting section.
In foretell transmission worm with vice worm wheel, transmission worm wheel center department have the perforation that supplies the connecting worm to wear to establish, processing has the screw thread on the surface of transmission worm wheel, one side of transmission worm wheel towards spacing step is provided with the footpath groove that supplies the locking base to penetrate, footpath groove and perforated juncture are provided with the meshing tooth that meshes mutually with the locking tooth.
In the transmission worm with the auxiliary worm wheel, an auxiliary positioning structure is arranged between the through hole of the transmission worm wheel and the radial connecting section.
In the above-mentioned transmission worm with the auxiliary worm wheel, the auxiliary positioning structure includes a plurality of guide ribs arranged on the radial connecting section, each guide rib is arranged along the length direction of the transmission worm wheel, and the plurality of guide ribs are uniformly distributed along the circumferential direction of the outer surface of the radial connecting section, and the inner wall of the through hole is provided with a guide groove matched with the guide ribs.
In the transmission worm with the auxiliary worm wheel, the worm wheel sleeve is detachably connected with the radial connecting section.
In the above-mentioned transmission worm with the auxiliary worm wheel, the radial connecting section is provided with a mounting thread, one end of the mounting thread extends to the side surface of the guide rib, and the worm wheel sleeve is connected to the radial connecting section through the mounting thread.
Compared with the prior art, the utility model has the advantages of:
1. the utility model discloses a be equipped with on the connection worm and be used for restricting transmission worm wheel circumferential direction's locking structure, realize the interconnect transmission of transmission worm wheel and connection worm through locking structure, promote the cooperation nature of transmission worm wheel and connection worm.
2. The utility model discloses a be provided with auxiliary positioning structure between the perforation of transmission worm wheel and the radial connection section, realize quick location through auxiliary positioning structure and connect.
3. The utility model discloses a detachable connections between worm gear cover and the radial connection section more conveniently changes the transmission worm wheel through dismantling the worm gear cover.
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 an assembly drawing of the whole structure of the present invention.
Fig. 2 is a schematic structural view of the connecting worm of the present invention.
Fig. 3 is a sectional view of the connection between the worm wheel and the radial connecting section.
In the figure, 1, connecting a worm; 2. an axial transmission section; 3. a radial connecting section; 4. a drive screw; 5. a drive worm gear; 6. a worm gear sleeve; 7. a locking structure; 8. a middle section; 9. A limiting step; 10. a locking base; 11. a locking tooth; 12. a side surface; 13. perforating; 14. a radial groove; 15. meshing teeth; 16. an auxiliary positioning structure; 17. a guide rib; 18. A guide groove; 19. and (5) installing threads.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 to 3, a transmission worm assembly with a secondary worm wheel comprises a connecting worm 1, a transmission thread 4 is processed, a transmission worm wheel 5 and a worm wheel sleeve 6 are arranged on a radial connecting section 3, a locking structure 7 for limiting circumferential rotation of the transmission worm wheel 5 is arranged on the connecting worm 1, one end of the transmission worm wheel 5 is connected with the locking structure 7, and the other end of the transmission worm wheel 5 abuts against the worm wheel sleeve 6 for axial limiting.
In this embodiment, the connecting worm 1 is provided with a locking structure 7 for limiting circumferential rotation of the transmission worm wheel 5, the transmission of the transmission worm wheel 5 and the connecting worm 1 is realized through the locking structure 7, and then the transmission worm wheel 5 is fixed after being matched through the worm gear sleeve 6, so that the matching between the transmission worm wheel 5 and the connecting worm 1 is improved.
In further detail, a middle section 8 is arranged between the radial connecting section 3 and the axial transmission section 2, the diameter of the middle section 8 is larger than that of the radial connecting section 3, a limiting step 9 is formed at the joint of the middle section 8 and the radial connecting section 3, and the locking structure 7 is arranged on the limiting step 9. When the transmission worm wheel 5 transversely penetrates into the radial connecting section 3, the transmission worm wheel moves towards one side of the limiting step 9, and the limiting step 9 plays a limiting role.
In this embodiment, the locking structure 7 includes a locking base 10 disposed on the limiting step 9, locking teeth 12 for being engaged and fixed with the transmission worm wheel 5 are disposed on the locking base 10, the locking teeth 12 are circumferentially and uniformly distributed on a side surface of the locking base 10, in order to achieve a better locking effect, the locking base 10 is in a trumpet shape, and has an inclined side surface, and one end of a small diameter of the locking base 10 faces one side of the radial connecting section 3.
In this embodiment, the center of the transmission worm wheel 5 has a through hole 13 for the connection worm 1 to pass through, the outer surface of the transmission worm wheel 5 is threaded, one side of the transmission worm wheel 5 facing the limit step 9 is provided with a radial groove 14 for the locking base 10 to penetrate through, and the junction of the radial groove 14 and the through hole 13 is provided with an engaging tooth 15 engaged with the locking tooth 12. The engagement teeth 15 have the same inclination as the locking teeth 12, and the lock base 10 is integrally received in the radial groove 14 when the engagement teeth 15 on the transmission worm wheel 5 are engaged with the locking teeth 12.
In the present embodiment, an auxiliary positioning structure 16 is arranged between the through hole 13 of the transmission worm wheel 5 and the radial connecting section 3. Preferably, the auxiliary positioning structure 16 includes a plurality of guide ribs 17 disposed on the radial connecting section 3, each guide rib 17 is disposed along the length direction of the transmission worm rod, the plurality of guide ribs 17 are uniformly distributed along the circumferential direction of the outer surface of the radial connecting section 3, and the inner wall of the through hole 13 is provided with a guide groove 18 matched with the guide ribs 17. An auxiliary positioning structure 16 is arranged between the through hole 13 and the radial connecting section 3, and quick positioning connection is realized through the auxiliary positioning structure 16.
The worm gear sleeve 6 is detachably connected with the radial connecting section 3, preferably, the radial connecting section 3 is provided with a mounting thread 19, one end of the mounting thread 19 extends to the side surface of the guide rib 17, and the worm gear sleeve 6 is connected with the radial connecting section 3 through the mounting thread 19. The transmission worm wheel 5 is more conveniently replaced by detaching the worm wheel sleeve 6.
The technical effects of the utility model are that: the connecting worm 1 is provided with a locking structure 7 for limiting the circumferential rotation of the transmission worm wheel 5, the mutual connection transmission of the transmission worm wheel 5 and the connecting worm 1 is realized through the locking structure 7, the further expansion is realized, the locking structure 7 comprises a locking base 10 arranged on a limiting step 9, locking teeth 12 for being meshed and fixed with the transmission worm wheel 5 are arranged on the locking base 10, the locking teeth 12 are circumferentially and uniformly distributed on the side surface of the locking base 10, in order to achieve better locking effect, the locking base 10 is arranged in a trumpet shape and has an inclined side surface, one end of the small diameter of the locking base 10 faces to one side of the radial connecting section 3, the engaging teeth 15 of the transmission worm wheel 5 have the same inclination with the locking teeth 12, when the engaging teeth 15 on the transmission worm wheel 5 are engaged with the locking teeth 12, the locking base 10 is integrally accommodated in the radial groove 14, and finally the transmission worm wheel 5 is fixed through the worm wheel housing 6.
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 connecting worm 1, axial drive section 2, radial connection section 3, drive thread 4, drive worm wheel 5, worm wheel sleeve 6, locking structure 7, middle section 8, limit step 9, locking base 10, locking tooth 11, side surface 12, perforation 13, radial groove 14, meshing tooth 15, auxiliary positioning structure 16, guide rib 17, guide groove 18, mounting thread 19, 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.
Claims (10)
1. The utility model provides a drive worm with vice worm wheel, is including connecting worm (1), its characterized in that, connecting worm (1) on be equipped with axial transmission section (2) and radial connection section (3), axial transmission section (2) on process and have transmission screw thread (4), radial connection section (3) on be equipped with drive worm wheel (5) and worm wheel cover (6), connecting worm (1) on be equipped with and be used for restricting drive worm wheel (5) circumferential direction's locking structure (7), the one end of drive worm wheel (5) is connected with locking structure (7), the other end butt of drive worm wheel (5) carries out axial spacing on worm wheel cover (6).
2. The drive worm with the auxiliary worm wheel according to claim 1, characterized in that an intermediate section (8) is arranged between the radial connecting section (3) and the axial drive section (2), the diameter of the intermediate section (8) is larger than that of the radial connecting section (3), a limiting step (9) is formed at the joint of the intermediate section (8) and the radial connecting section (3), and the locking structure (7) is arranged on the limiting step (9).
3. The transmission worm with the auxiliary worm wheel according to claim 2, characterized in that the locking structure (7) comprises a locking base (10) arranged on the limit step (9), and the locking base (10) is provided with a locking tooth (11) for being meshed and fixed with the transmission worm wheel (5).
4. The worm drive with the auxiliary worm wheel according to claim 3, characterised in that the locking teeth (11) are evenly distributed circumferentially on the side surface (12) of the locking base (10).
5. The worm drive with a worm wheel according to claim 4, characterised in that the locking base (10) is flared and has an inclined lateral surface (12), the end of the locking base (10) with the smaller diameter facing the radial connecting section (3).
6. The transmission worm with the auxiliary worm wheel according to claim 3, characterized in that the center of the transmission worm wheel (5) is provided with a through hole (13) for the connection worm (1) to pass through, the outer surface of the transmission worm wheel (5) is provided with threads, one side of the transmission worm wheel (5) facing the limit step (9) is provided with a radial groove (14) for the locking base (10) to penetrate through, and the junction of the radial groove (14) and the through hole (13) is provided with an engaging tooth (15) engaged with the locking tooth (11).
7. The worm drive with a counter worm wheel according to claim 6, characterised in that an auxiliary positioning structure (16) is arranged between the bore (13) of the worm drive wheel (5) and the radial connecting section (3).
8. The worm gear with the auxiliary worm wheel according to claim 7, wherein the auxiliary positioning structure (16) comprises a plurality of guide ribs (17) arranged on the radial connecting section (3), each guide rib (17) is arranged along the length direction of the worm gear, the plurality of guide ribs (17) are uniformly distributed along the circumferential direction of the outer surface of the radial connecting section (3), and the inner wall of the through hole (13) is provided with a guide groove (18) matched with the guide ribs (17).
9. The worm drive with the auxiliary worm wheel according to claim 1, characterised in that the worm wheel housing (6) is detachably connected to the radial connecting section (3).
10. The worm drive according to claim 8, characterised in that the radial connecting section (3) is provided with a mounting thread (19), one end of the mounting thread (19) extending to the side surface (12) of the guide rib (17), and the worm wheel housing (6) is connected to the radial connecting section (3) by means of the mounting thread (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022983420.XU CN213808734U (en) | 2020-12-11 | 2020-12-11 | Transmission worm with auxiliary worm wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022983420.XU CN213808734U (en) | 2020-12-11 | 2020-12-11 | Transmission worm with auxiliary worm wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213808734U true CN213808734U (en) | 2021-07-27 |
Family
ID=76945713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022983420.XU Active CN213808734U (en) | 2020-12-11 | 2020-12-11 | Transmission worm with auxiliary worm wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213808734U (en) |
-
2020
- 2020-12-11 CN CN202022983420.XU patent/CN213808734U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Transmission worm with auxiliary worm gear Effective date of registration: 20220513 Granted publication date: 20210727 Pledgee: Zhejiang Wenling Rural Commercial Bank Co.,Ltd. Pledgor: Wenling Shunlong Machinery Co.,Ltd. Registration number: Y2022330000695 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231018 Granted publication date: 20210727 Pledgee: Zhejiang Wenling Rural Commercial Bank Co.,Ltd. Pledgor: Wenling Shunlong Machinery Co.,Ltd. Registration number: Y2022330000695 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Transmission worm with auxiliary worm gear Effective date of registration: 20231022 Granted publication date: 20210727 Pledgee: Zhejiang Wenling Rural Commercial Bank Co.,Ltd. Pledgor: Wenling Shunlong Machinery Co.,Ltd. Registration number: Y2023330002402 |