CN214036766U - Driven gear for high-strength transmission - Google Patents
Driven gear for high-strength transmission Download PDFInfo
- Publication number
- CN214036766U CN214036766U CN202022983759.XU CN202022983759U CN214036766U CN 214036766 U CN214036766 U CN 214036766U CN 202022983759 U CN202022983759 U CN 202022983759U CN 214036766 U CN214036766 U CN 214036766U
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- China
- Prior art keywords
- driven gear
- guide rod
- transmission
- sealing plug
- tooth
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- 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
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 24
- 230000001050 lubricating effect Effects 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 239000012530 fluid Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 6
- 239000010687 lubricating oil Substances 0.000 description 5
- 239000003921 oil Substances 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241001247986 Calotropis procera Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000009975 flexible effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model belongs to the technical field of transmission accessories, in particular to a driven gear for a high-strength transmission, which comprises a driven gear body, wherein a plurality of teeth which are distributed in an annular shape at equal intervals are arranged on the periphery of the outer wall of the driven gear body, and the driven gear further comprises a guide rod, and contact pieces and piston pieces are respectively fixed at two ends of the guide rod; the end face of the tooth is provided with a lubricating cavity, and a detachable sealing plug is arranged at the port of the lubricating cavity; the outer wall of each tooth is provided with an installation groove, and a roller erected and installed by a rotating shaft is arranged in the installation groove; the driven gear for the transmission of the utility model utilizes the lubricating cavity, the roller and the guide rod with elastic effect, when the teeth of the driven gear are meshed with other gears for transmission, the friction between the teeth can be effectively reduced, the noise is reduced, the wear of the teeth is reduced, and the service life of the gear is prolonged; the guide rod can be dismantled, conveniently overhauls it and supplementary lubricated fluid.
Description
Technical Field
The utility model belongs to the technical field of the derailleur accessory, concretely relates to driven gear for high strength derailleur.
Background
The speed variator is a mechanism for changing the rotation speed and torque from engine, it can change the transmission ratio of output shaft and input shaft by fixing or stepping, it is also called speed variator, the speed variator is composed of speed-changing transmission mechanism and control mechanism, some automobiles also have power output mechanism, the transmission mechanism mostly uses common gear transmission, also uses planetary gear transmission, the common gear transmission speed-changing mechanism generally uses sliding gear and synchronizer, the driven gear of the speed variator is the part engaged with driving gear or other gears to transmit power, and the same as the driving gear of the speed variator, it is the core part of the speed variator.
When the original transmission driven gear is used, the teeth of the driven gear and the teeth of other gears generate larger friction during transmission, high heat and larger noise are generated, and the abrasion of the gears is accelerated.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned problem that exists among the prior art, the utility model provides a driven gear for high strength transmission has convenient to use and long service life's characteristics.
In order to achieve the above object, the utility model provides a following technical scheme: a driven gear for a high-strength speed changer comprises a driven gear body, a guide rod and a plurality of teeth, wherein the plurality of teeth are annularly and equidistantly distributed on the periphery of the outer wall of the driven gear body; a lubricating cavity is formed in the end face of the tooth, a detachable sealing plug is mounted at the port of the lubricating cavity, and the guide rod penetrates through a through hole formed in the axial direction of the sealing plug and is elastically connected with the sealing plug; the piston sheet is positioned in the lubricating cavity; the outer wall of the tooth is provided with a mounting groove, a roller erected and mounted by using a rotating shaft is arranged in the mounting groove, and an oil guide hole for communicating the lubricating cavity with the mounting groove is further formed in the tooth.
As an optimal technical scheme of the utility model, lubricated chamber has the internal thread, the sealing plug has the external screw thread, the sealing plug is installed through the screw thread closure mode lubricated chamber's port position.
As a preferred technical scheme of the utility model, the rubber bush has been cup jointed through the bonding mode on the roller.
As an optimized technical scheme of the utility model, the mounting groove is circular-arc groove, just the groove depth of mounting groove is less than the internal diameter 1.5mm of roller.
As an optimal technical scheme of the utility model, spacing guide slot has been seted up to the inner wall of sealing plug cup jointed on the guide arm with the corresponding spacing slip ring of spacing guide slot spacing slip ring with it establishes to distribute between the tank bottom of spacing guide slot reset spring on the guide arm.
Compared with the prior art, the beneficial effects of the utility model are that: the driven gear for the transmission of the utility model utilizes the lubricating cavity, the roller and the guide rod with elastic effect, when the teeth of the driven gear are meshed with other gears for transmission, the friction between the teeth can be effectively reduced, the noise is reduced, the wear of the teeth is reduced, and the service life of the gear is prolonged; the guide rod can be dismantled, conveniently overhauls it and supplementary lubricated fluid.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic front view of the present invention;
fig. 3 is a schematic front sectional view of a tooth according to the present invention;
in the figure: 1. a driven gear body; 2. teeth; 3. a sealing plug; 4. a guide bar; 5. perforating; 6. a contact piece; 7. a lubrication chamber; 8. a piston plate; 9. a limiting guide groove; 10. a limiting sliding ring; 11. a return spring; 12. mounting grooves; 13. a roller; 14. a rubber bushing; 15. oil guide hole.
Detailed Description
The technical solutions 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, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides the following technical solutions: a high-strength driven gear for a transmission comprises a driven gear body 1, a plurality of annular teeth 2 distributed at equal intervals are arranged on the periphery of the outer wall of the driven gear body 1, and the driven gear further comprises a guide rod 4, and a contact piece 6 and a piston piece 8 are respectively fixed at two ends of the guide rod 4; the end face of the tooth 2 is provided with a lubricating cavity 7, the port of the lubricating cavity 7 is provided with a detachable sealing plug 3, and the guide rod 4 penetrates through a through hole 5 axially formed along the sealing plug 3 and is elastically connected with the sealing plug 3; the piston sheet 8 is positioned in the lubricating cavity 7; the outer wall of the tooth 2 is provided with a mounting groove 12, a roller 13 erected and mounted by a rotating shaft is arranged in the mounting groove 12, an oil guide hole 15 which enables the lubricating cavity 7 to be communicated with the mounting groove 12 is also arranged in the tooth 2, when the gear is used, the sealing plug 3 is firstly detached, and a proper amount of lubricating oil is injected into the lubricating cavity 7, the roller 13 in the utility model is of a cylindrical structure, when the tooth 2 of the driven gear body 1 is meshed with other gears in a transmission, the tooth 2 of other gears can extrude the roller 13 while rotating to drive the roller 13 to rotate, so as to avoid mutual friction between tooth walls of the tooth 2, meanwhile, the contact piece 6 is extruded to drive the guide rod 4 to move, the guide rod 4 drives the piston piece 8 to move, the piston piece 8 extrudes the lubricating oil in the lubricating cavity 7, the lubricating oil reaches the mounting groove 12 through the oil guide hole 15, and simultaneously, the lubricating oil is taken out along with the rotation of the roller 13, the teeth 2 are lubricated to reduce friction and noise.
Specifically, as shown in fig. 1, fig. 2 and fig. 3, in this embodiment, the lubrication cavity 7 has an internal thread, the sealing plug 3 has an external thread, the sealing plug 3 is installed at the port of the lubrication cavity 7 in a thread screwing mode, and the sealing plug 3 is installed in the thread screwing mode, so that the assembly and disassembly are convenient, and the disassembly, the maintenance and the supplement of the lubricating oil are easy.
Specifically, according to fig. 1, 2 and 3, in this embodiment, the rollers 13 are sleeved with rubber bushings 14 in an adhesive manner, so as to provide a flexible effect and reduce friction between the gears and the rollers 13.
Specifically, as shown in fig. 1, fig. 2 and fig. 3, in this embodiment, the mounting groove 12 is an arc-shaped groove, and the depth of the mounting groove 12 is less than 1.5mm of the inner diameter of the roller 13, so as to ensure that the teeth 2 of the other gears are reliably contacted with the outer wall of the roller 13, and to ensure the lubricating effect.
Specifically, as shown in fig. 1, fig. 2, and fig. 3, in this embodiment, a limiting guide groove 9 is formed in an inner wall of the sealing plug 3, a limiting sliding ring 10 corresponding to the limiting guide groove 9 is sleeved on the guide rod 4, a return spring 11 sleeved on the guide rod 4 is distributed between the limiting sliding ring 10 and a groove bottom of the limiting guide groove 9, the limiting sliding ring 10 is matched with the limiting guide groove 9, so as to ensure the stability of the movement of the guide rod 4, and the return spring 11 realizes the elastic installation of the guide rod 4, when the driven gear body 1 stops rotating, except for the guide rod 4 at a position where the driven gear body 1 is in contact with other gears, the driven gear body 1 at other positions can be reset under the action of the return spring 11.
The utility model discloses a theory of operation and use flow: the utility model discloses a driven gear for derailleur, when using, pull down sealing plug 3 earlier, inject proper amount lubricating fluid in lubricating chamber 7, the utility model provides a roller 13 is cylindric structure, when other gear engagement transmission in tooth 2 of driven gear body 1 and the derailleur, other tooth 2 of gear can extrude the roller 13 in the pivoted, drive roller 13 and rotate, avoid the looks mutual friction between the tooth wall of tooth 2, simultaneously, contact piece 6 receives the extrusion and drives guide arm 4 and remove, guide arm 4 drives piston plate 8 and removes, piston plate 8 extrudes lubricating fluid in lubricating chamber 7, lubricating fluid reachs mounting groove 12 through leading oilhole 15, meanwhile, take lubricating fluid out along with the rotation of roller 13, lubricate tooth 2, reduced friction and noise.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a high strength is driven gear for derailleur, includes driven gear body (1) the outer wall periphery of driven gear body (1) is equipped with a plurality of tooth (2) that are the equidistant distribution of annular, its characterized in that: the device is characterized by also comprising a guide rod (4), wherein a contact piece (6) and a piston piece (8) are respectively fixed at two ends of the guide rod (4); a lubricating cavity (7) is formed in the end face of the tooth (2), a detachable sealing plug (3) is mounted at the port of the lubricating cavity (7), and the guide rod (4) penetrates through a through hole (5) formed in the axial direction of the sealing plug (3) and is elastically connected with the sealing plug (3); the piston sheet (8) is positioned in the lubricating cavity (7); the outer wall of the tooth (2) is provided with a mounting groove (12), the mounting groove (12) is internally provided with a roller (13) erected and mounted by a rotating shaft, and the tooth (2) is internally provided with an oil guide hole (15) which enables the lubricating cavity (7) to be communicated with the mounting groove (12).
2. A high strength driven gear for a transmission as defined in claim 1, wherein: the lubricating cavity (7) is provided with internal threads, the sealing plug (3) is provided with external threads, and the sealing plug (3) is installed at the port position of the lubricating cavity (7) in a threaded screwing mode.
3. A high strength driven gear for a transmission as defined in claim 1, wherein: and a rubber bushing (14) is sleeved on the roller (13) in a bonding mode.
4. A high strength driven gear for a transmission as defined in claim 1, wherein: the mounting groove (12) is an arc-shaped groove, and the groove depth of the mounting groove (12) is smaller than the inner diameter of the roller (13) by 1.5 mm.
5. A high strength driven gear for a transmission as defined in claim 1, wherein: the inner wall of the sealing plug (3) is provided with a limiting guide groove (9), a limiting sliding ring (10) corresponding to the limiting guide groove (9) is sleeved on the guide rod (4), and a reset spring (11) sleeved on the guide rod (4) is distributed between the limiting sliding ring (10) and the groove bottom of the limiting guide groove (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022983759.XU CN214036766U (en) | 2020-12-10 | 2020-12-10 | Driven gear for high-strength transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022983759.XU CN214036766U (en) | 2020-12-10 | 2020-12-10 | Driven gear for high-strength transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214036766U true CN214036766U (en) | 2021-08-24 |
Family
ID=77335344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022983759.XU Expired - Fee Related CN214036766U (en) | 2020-12-10 | 2020-12-10 | Driven gear for high-strength transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214036766U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114248189A (en) * | 2022-03-02 | 2022-03-29 | 南通龙纳模具有限公司 | Polishing machine tool for machining weight lifting metal rod |
| CN114483926A (en) * | 2021-12-29 | 2022-05-13 | 重庆蓝黛传动机械有限公司 | Auxiliary supporting structure for planetary mechanism assembly of automobile transmission |
| CN115306882A (en) * | 2022-10-08 | 2022-11-08 | 常州恩慧金属新材料有限公司 | Gear structure of speed reducing motor capable of reducing abrasion |
-
2020
- 2020-12-10 CN CN202022983759.XU patent/CN214036766U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483926A (en) * | 2021-12-29 | 2022-05-13 | 重庆蓝黛传动机械有限公司 | Auxiliary supporting structure for planetary mechanism assembly of automobile transmission |
| CN114248189A (en) * | 2022-03-02 | 2022-03-29 | 南通龙纳模具有限公司 | Polishing machine tool for machining weight lifting metal rod |
| CN115306882A (en) * | 2022-10-08 | 2022-11-08 | 常州恩慧金属新材料有限公司 | Gear structure of speed reducing motor capable of reducing abrasion |
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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: 20210824 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |