CN209943431U - Bidirectional worm gear transmission device - Google Patents
Bidirectional worm gear transmission device Download PDFInfo
- Publication number
- CN209943431U CN209943431U CN201920357250.9U CN201920357250U CN209943431U CN 209943431 U CN209943431 U CN 209943431U CN 201920357250 U CN201920357250 U CN 201920357250U CN 209943431 U CN209943431 U CN 209943431U
- Authority
- CN
- China
- Prior art keywords
- gear
- worm
- worm wheel
- straight
- transmission
- 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 - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 27
- 230000002457 bidirectional effect Effects 0.000 title description 5
- 208000002925 dental caries Diseases 0.000 claims abstract 2
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 description 1
Landscapes
- Gear Transmission (AREA)
Abstract
The utility model discloses a two-way worm gear, including worm, lower gear support, go up gear support and gear train, a serial communication port, the worm pass and establish two cavitys about preceding spacing hole and the back hole at lower gear support intermediate position cut apart the lower gear support, the gear train includes left worm wheel, right worm wheel, transmission straight-teeth gear and output straight-teeth gear, wherein left worm wheel comprises the straight-teeth gear that is located the upper portion and the skewed tooth gear that is located the lower part, left worm wheel lower part is located left cavity and meshes with the worm, left worm wheel upper portion and output straight-teeth gear meshing, right worm wheel and left worm wheel shape are the same, right worm wheel lower part is located right cavity and meshes with the worm, right worm wheel upper portion and transmission straight-teeth gear meshing, transmission straight-teeth gear and output straight-teeth gear meshing. The utility model has the advantages that: reasonable in design, simple structure, gear mechanism compact structure can effectively reduce power equipment's volume, reduction in production cost.
Description
Technical Field
The utility model belongs to worm gear mechanical transmission field, concretely relates to two-way turbine transmission.
Background
The worm gear transmission device is a part which is commonly used for transmitting motion and power between two staggered shafts in worm transmission, the worm gear transmission in the market is that a motor is connected with a worm to drive a worm gear, a turbine shaft drives the worm gear to rotate, all loads are borne by the worm gear, the abrasion of the worm gear is easily caused, the service life of the worm gear is shortened, in order to maintain the load capacity of the worm gear, a larger worm gear and a larger motor are generally needed, and the cost and the occupied space are greatly increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a bidirectional worm gear transmission device which occupies small space and has stronger functionality,
in order to achieve the above object, the present invention adopts the technical scheme that, a bidirectional worm gear transmission device comprises a worm, a lower gear support, an upper gear support and a gear set, and is characterized in that the worm passes through a front limiting hole and a rear hole arranged at the middle position of the lower gear support to divide the lower gear support into a left cavity and a right cavity, the gear set comprises a left worm gear, a right worm gear, a transmission straight gear and an output straight gear, wherein the left worm gear comprises a straight gear arranged at the upper part and a bevel gear arranged at the lower part, the lower part of the left worm gear is arranged in the left cavity and is meshed with the worm, the upper part of the left worm gear is meshed with the output straight gear, the right worm gear and the left worm gear have the same shape, the lower part of the right worm gear is arranged in the right cavity and is meshed with the worm, the upper part of the right worm gear is meshed with the transmission straight gear, the, and the upper gear bracket is provided with a positioning hole for positioning the position of the gear set.
As the preferred scheme of the utility model, output straight-teeth gear upper portion be the power rod, the power rod passes the locating hole of last gear support, realizes power take off.
As a further improvement of the utility model, lower gear support one side be the fixed plate, the fixed plate passes through the screw fixation at the motor front end.
As the preferred proposal of the utility model, the worm is the output shaft of the motor.
As a further improvement, the limiting hole of the upper gear support is nested with a wear-resistant and corrosion-resistant metal ring.
As a further improvement of the utility model, the lower gear support and the upper gear support between detachable be connected with well gear support.
As a further improvement, the lower gear support about the bottom surface of cavity be equipped with the locating hole that is used for fixing a position the lower extreme of left worm wheel, right worm wheel, increase worm wheel stability.
Compared with the prior art, the beneficial effects of the utility model are that: the gear mechanism has the advantages of being reasonable in design, simple in structure, capable of using a small motor to play a large effect, improving the utilization rate of the load force of a product, compact in structure, capable of effectively reducing the size and the occupied space of power equipment and reducing production cost.
Drawings
Fig. 1 is a structural exploded view of an embodiment of the present invention;
wherein, 1-lower gear bracket, 2-worm, 3-right worm gear, 4-output spur gear, 5-transmission spur gear, 6-left worm gear, 7-middle gear bracket, 8-upper gear bracket, 10-front limiting hole, 11-rear hole, 12-fixing plate, 13-positioning hole
Detailed Description
The invention is further explained below with reference to the drawings and the specific embodiments, without limiting the scope of protection of the invention.
The embodiment, as shown in fig. 1, a bidirectional worm gear transmission device comprises a worm 2, a lower gear support 1, an upper gear support 8 and a gear set, wherein the worm 2 penetrates through a front limiting hole 10 and a rear hole 11 which are arranged at the middle position of the lower gear support 1 to divide the lower gear support 1 into a left cavity and a right cavity, the gear set comprises a left worm wheel 6, a right worm wheel 1, a transmission spur gear 5 and an output spur gear 4, wherein the left worm wheel 6 consists of a spur gear arranged at the upper part and a bevel gear arranged at the lower part, the lower part of the left worm wheel 6 is arranged in the left cavity and is meshed with the worm 2, the upper part of the left worm wheel 6 is meshed with the output spur gear 4, the right worm wheel 3 and the left worm wheel 6 are identical in shape, the lower part of the right worm wheel 3 is arranged in the right cavity and is meshed with the worm 2, the upper part is meshed with the transmission spur gear 5, the lower gear support 1 and the upper gear support 8 can be fixed by screws, and a positioning hole 13 for positioning the gear set is arranged on the upper gear support. When the motor drives the worm 2 to rotate, the left worm wheel 3 and the right worm wheel 6 meshed with the worm rotate in opposite directions, the right worm wheel 6 is meshed with the transmission spur gear 5, and thus the rotation direction of the transmission spur gear 5 is consistent with that of the left worm wheel 3, and the output spur gear 4 is driven to rotate together.
In addition, the metal ring of the utility model can be made of materials with higher wear resistance, such as copper metal, nickel-chromium alloy, copper alloy and the like.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a two-way worm gear, includes worm, lower gear support, goes up gear support and gear train, its characterized in that: the worm pass and establish two cavitys about preceding spacing hole and the back hole of lower gear support intermediate position cut apart the lower gear support into, the gear train includes left worm wheel, right worm wheel, transmission straight-teeth gear and output straight-teeth gear, wherein left worm wheel comprises the straight-teeth gear that is located the upper portion and the bevel gear that is located the lower part, left worm wheel lower part is located left cavity and meshes with the worm, left worm wheel upper portion meshes with output straight-teeth gear, right worm wheel and left worm wheel shape are the same, right worm wheel lower part is located right cavity and meshes with the worm, right worm wheel upper portion meshes with transmission straight-teeth gear, transmission straight-teeth gear and output straight-teeth gear meshing, go up the gear support and be located the gear train top and with the available screw fixation of lower gear support, be equipped with the locating hole that is used for fixing the.
2. A bi-directional worm gear transmission as claimed in claim 1, wherein: the upper part of the output straight gear is provided with a power rod, and the power rod penetrates through a positioning hole of the upper gear bracket to realize power output.
3. A bi-directional worm gear transmission as claimed in claim 1, wherein: one side of the lower gear bracket is provided with a fixing plate, and the fixing plate is fixed at the front end of the motor through screws.
4. A bi-directional worm gear transmission as claimed in claim 1, wherein: the worm is a motor output shaft.
5. A bi-directional worm gear transmission as claimed in claim 1, wherein: and a wear-resistant and corrosion-resistant metal ring is nested in the limiting hole of the upper gear support.
6. A bi-directional worm gear transmission as claimed in claim 1, wherein: a middle gear bracket is detachably connected between the lower gear bracket and the upper gear bracket.
7. A bi-directional worm gear transmission as claimed in claim 1, wherein: the bottom surface of the left cavity and the bottom surface of the right cavity of the lower gear support are provided with positioning holes for positioning the lower ends of the left worm wheel and the right worm wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920357250.9U CN209943431U (en) | 2019-03-20 | 2019-03-20 | Bidirectional worm gear transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920357250.9U CN209943431U (en) | 2019-03-20 | 2019-03-20 | Bidirectional worm gear transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209943431U true CN209943431U (en) | 2020-01-14 |
Family
ID=69124747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920357250.9U Expired - Fee Related CN209943431U (en) | 2019-03-20 | 2019-03-20 | Bidirectional worm gear transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209943431U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780139A (en) * | 2019-03-20 | 2019-05-21 | 佛山市威王日用电器有限公司 | A kind of two-way worm gearing |
-
2019
- 2019-03-20 CN CN201920357250.9U patent/CN209943431U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780139A (en) * | 2019-03-20 | 2019-05-21 | 佛山市威王日用电器有限公司 | A kind of two-way worm gearing |
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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 |
Granted publication date: 20200114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |