CN115163784A - Duplicate gear with adjustable relative positions of big gear and small gear - Google Patents

Duplicate gear with adjustable relative positions of big gear and small gear Download PDF

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Publication number
CN115163784A
CN115163784A CN202210630697.5A CN202210630697A CN115163784A CN 115163784 A CN115163784 A CN 115163784A CN 202210630697 A CN202210630697 A CN 202210630697A CN 115163784 A CN115163784 A CN 115163784A
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CN
China
Prior art keywords
gear
limiting groove
duplicate
connecting ring
adjustable relative
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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.)
Pending
Application number
CN202210630697.5A
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Chinese (zh)
Inventor
戴材穆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Kaida Auto Parts Co ltd
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Ningbo Kaida Auto Parts Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ningbo Kaida Auto Parts Co ltd filed Critical Ningbo Kaida Auto Parts Co ltd
Priority to CN202210630697.5A priority Critical patent/CN115163784A/en
Publication of CN115163784A publication Critical patent/CN115163784A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/17—Toothed wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
    • F16D1/08—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
    • F16D1/0894—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with other than axial keys, e.g. diametral pins, cotter pins and no other radial clamping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/0018—Shaft assemblies for gearings
    • F16H57/0025—Shaft assemblies for gearings with gearing elements rigidly connected to a shaft, e.g. securing gears or pulleys by specially adapted splines, keys or methods

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gears, Cams (AREA)

Abstract

The invention discloses a duplicate gear with adjustable relative positions of a big gear and a small gear, which comprises a duplicate gear body; the duplicate gear comprises a first gear and a second gear; the first gear is movably connected inside the second gear; a movable cavity, a first limiting groove and a second limiting groove are formed in the second gear, and one end, close to the second gear, of the first gear is movably connected into the movable cavity, the first limiting groove and the second limiting groove; through the arrangement of the first gear which can be movably arranged in the second gear, the length of the duplicate gear can be adjusted by utilizing the movability of the first gear under the effect that the rotating speed of the duplicate gear can be adjusted, and the first gear and the second gear can be locked by utilizing the hexagon socket head cap screws, so that the double gear can be adapted to gearboxes with different transmission structures in a certain range adjusting interval, and the application range of the double gear is wider.

Description

Duplicate gear with adjustable relative positions of big gear and small gear
Technical Field
The invention relates to the technical field of duplicate gears, in particular to a duplicate gear with adjustable relative positions of big and small gears.
Background
A duplicate gear is a gear made from two sets of gears that are coaxially superimposed and can be used to change the rotational speed of the output shaft.
The dual gears on the market are various at present, and a common dual gear is a fixed structure and cannot be adjusted, when the dual gear is used, the output shaft is sleeved in the dual gear, and the dual gear can be respectively used for being meshed with gears with different sizes by adjusting the position of the dual gear, so that the output rotating speed of the output shaft is changed.
Because the existing duplicate gears are all fixed structures, when the existing duplicate gears are used in a gearbox, the existing duplicate gears cannot be adjusted according to the distance between the arranged meshing gears, so that a plurality of groups of gears with different sizes are required to be arranged on an output shaft and are used for meshing the gears which exceed the adjustable distance of the duplicate gears, and the application range of the duplicate gears is limited; therefore, a dual gear with adjustable relative positions of the big gear and the small gear is provided for solving the problems.
Disclosure of Invention
In order to make up the defects of the prior art and solve the problems, the invention provides a duplicate gear with adjustable relative positions of a large gear and a small gear.
A duplicate gear with adjustable relative positions of a big gear and a small gear comprises a duplicate gear body; the duplicate gear comprises a first gear and a second gear; the first gear is movably connected inside the second gear; a movable cavity, a first limiting groove and a second limiting groove are formed in the second gear, and one end, close to the second gear, of the first gear is movably connected into the movable cavity, the first limiting groove and the second limiting groove; the surface of the second gear is provided with a threaded hole penetrating through the second gear, and the threaded hole is internally connected with an inner hexagonal screw; the inner hexagonal screw is in threaded connection with the first gear and the second gear.
Preferably, a connecting ring is fixedly connected to the end part of the first gear, and symmetrically arranged connecting lugs are fixedly connected to the connecting ring; the connecting ring is movably connected in the movable cavity, the first limiting groove and the second limiting groove; the inner hexagonal screw threads penetrate through the connecting lug.
Preferably, a protection plate is fixedly connected between the top of the connecting ring and the first gear, and the protection plate is fixedly connected with symmetrically arranged indicating blocks.
Preferably, the bottom of the second gear is provided with a through hole, and the threaded holes are distributed on two sides of the through hole.
Preferably, an adjusting hole corresponding to the connecting lug is formed between the first limiting groove and the second limiting groove; the size of the adjusting hole is larger than that of the connecting lug.
Preferably, the bottom surface of the movable cavity is provided with a sliding chute, and a spring connecting shaft is connected in the sliding chute in a sliding manner; the other end of the spring connecting shaft is clamped at the bottom of the connecting ring in the first limiting groove.
Preferably, the distance between the protection plate and the second gear is larger than the distance between the first limiting groove and the second limiting groove.
Preferably, the surface of the second gear facing one end of the first gear is fixedly connected with a scraper, and the inner side of the scraper is attached to the side wall of the connecting ring.
The invention has the advantages that:
1. according to the invention, the first gear which can be movably arranged in the second gear is arranged, so that the length of the duplex gear can be adjusted by utilizing the movability of the first gear under the effect of the duplex gear capable of adjusting the rotating speed, and the first gear and the second gear are locked by utilizing the hexagon socket head cap screw, so that the double gear can be adapted to gearboxes with different transmission structures in a certain range of adjustment interval, and the application range of the duplex gear is wider.
2. The invention can be used for adjusting the duplicate gear within a certain range by the adjusting grooves arranged in the first limiting groove and the second limiting groove, so that the first gear can be telescopically changed in the second gear, meanwhile, the spring connecting shaft arranged in the connecting ring is matched, the first gear can be abutted and limited after the first gear is adjusted, and the stability of the duplicate gear during operation is kept by matching with the hexagon socket screw.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.
FIG. 1 is a perspective view of one embodiment of the present invention;
FIG. 2 is an exploded view of one embodiment of the present invention;
FIG. 3 is a first cross-sectional perspective view of one embodiment of the present invention;
FIG. 4 is a second cross-sectional perspective view of an embodiment of the present invention;
FIG. 5 is a cross-sectional view of one embodiment of the present invention;
FIG. 6 is an enlarged view of the portion A of FIG. 5 according to the present invention;
fig. 7 is an enlarged view of the structure of part B in fig. 5 according to the present invention.
In the figure: 11. a first gear; 111. an indication block; 112. a connecting ring; 113. a protection plate; 114. connecting lugs; 12. a second gear; 121. a through hole; 122. a threaded hole; 123. a movable cavity; 124. a first limit groove; 125. a second limit groove; 126. a spring coupling shaft; 127. a chute; 128. an adjustment hole; 13. A hexagon socket head cap screw; 14. and a scraper.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, a dual gear with adjustable relative positions of big and small gears includes a dual gear body; the duplicate gear comprises a first gear 11 and a second gear 12; the first gear 11 is movably connected inside the second gear 12; a movable cavity 123, a first limiting groove 124 and a second limiting groove 125 are formed in the second gear 12, and one end of the first gear 11 close to the second gear 12 is movably connected in the movable cavity 123, the first limiting groove 124 and the second limiting groove 125; a threaded hole 122 penetrating through the second gear 12 is formed in the surface of the second gear 12, and a hexagon socket screw 13 is connected in the threaded hole 122 in a threaded manner; the inner hexagonal screw 13 is in threaded connection with the first gear 11 and the second gear 12.
When the dual gear is in work, because the existing dual gears are all fixed structures, when the dual gear is used in a gearbox, the dual gear can not be adjusted according to the distance between the arranged meshing gears, so that a plurality of groups of gears with different sizes are required to be arranged on an output shaft and are used for meshing the gears which exceed the dual gears and can adjust the distance, and the application range of the dual gear is limited; when the device is used, the connecting ring 112 at the bottom of the first gear 11 is positioned in the first limiting groove 124 or the second limiting groove 125 in the second gear 12, and the part between the connecting ring 112 and the first gear 11 is positioned in the movable cavity 123, when the connecting ring 112 at the bottom of the first gear 11 is positioned in the second limiting groove 125, the initial state of the duplicate gear is achieved, when the device is applied to a gearbox with a larger gear spacing, because the connecting ring 112 at the bottom of the first gear 11 is positioned in the second limiting groove 125, the overlapping length of the first gear 11 and the second gear 12 is smaller than the spacing between the two groups of gears, the duplicate gear cannot be adjusted to be meshed with the other group of gears by adjusting the duplicate gear, and at the moment, the inner hexagonal screw 13 is manually disassembled, so that the first gear 11 and the second gear 12 can keep a movable relationship, through the artificial action, the first gear 11 is pulled out by a certain distance after rotating by 90 degrees, and the connecting ring 112 at the bottom of the first gear 11 can be shifted into the first limiting groove 124, so that the lengths of the first gear 11 and the second gear 12 are increased, and when the duplicate gear is adjusted, the first gear 11 and the second gear 12 can be respectively meshed with the gears with larger intervals to achieve the purpose of adjusting the rotating speed.
As an embodiment of the present invention, a connecting ring 112 is fixedly connected to an end of the first gear 11, and symmetrically arranged connecting lugs 114 are fixedly connected to the connecting ring 112; the connecting ring 112 is movably connected in the movable cavity 123, the first limiting groove 124 and the second limiting groove 125; the socket head cap screw 13 is threaded through the engaging lug 114.
When the double-gear adjusting mechanism works, the connecting ring 112 arranged at the end part of the first gear 11 is provided with the symmetrical connecting lugs 114, the position of the first gear 11 can be limited through the connecting lugs 114, the double-gear adjusting mechanism can be driven to longitudinally move on the second gear 12 only after the double-gear 11 rotates 90 degrees under the action of human, the relative position adjusting effect on the double-gear is realized, and the double-gear adjusting mechanism is fixed by the hexagon socket head cap screws 13 penetrating through the second gear 12 after being adjusted.
As an embodiment of the present invention, a protection plate 113 is fixedly connected between the top of the connection ring 112 and the first gear 11, and the protection plate 113 is fixedly connected with symmetrically arranged indication blocks 111.
During operation, the guard plate 113 that sets up between a gear 11 and go-between 112 is laminated in the bottom of a gear 11, utilizes it to protect the bottom of a gear 11, when avoiding gear engagement, blocks into the space of reserving between a gear 11 and a second gear 12, and sets up the instruction piece 111 on guard plate 113 and is used for instructing the turned angle of a gear 11, is convenient for adjust.
In an embodiment of the present invention, a through hole is formed in the bottom of the second gear 12, and the threaded holes 122 are distributed on both sides of the through hole 121.
During operation, the bottom of the second gear 12 is provided with a through hole, the corresponding first gear 11 is internally provided with a through hole, the output shaft can penetrate through the through hole, so that the output shaft can be driven to rotate, and the threaded holes 122 are located on two sides of the through hole 121, so that the output shaft cannot be influenced when the inner hexagonal screw 13 is used for adjustment.
As an embodiment of the present invention, an adjusting hole 128 corresponding to the connecting lug 114 is disposed between the first limiting groove 124 and the second limiting groove 125; the adjustment aperture 128 is sized larger than the size of the attachment ear 114.
During operation, the size of the adjusting hole 128 between the first and second limiting grooves 124 and 125 needs to be larger than that of the engaging lug 114, so that when the first gear 11 is manually moved, the engaging lug 114 at the bottom of the first gear 11 can penetrate through the adjusting hole 128, so that the connecting ring 112 can move from the first limiting groove 124 to the second limiting groove 125, and vice versa.
As an embodiment of the present invention, a sliding groove 127 is formed on a bottom surface of the movable cavity 123, and a spring coupling shaft 126 is slidably connected in the sliding groove 127; the other end of the spring connecting shaft 126 is clamped at the bottom of the connecting ring 112 in the first limiting groove 124.
During operation, the bottom of the movable cavity 123 is provided with a sliding slot 127, and two sides of the spring movably connected in the sliding slot 127 are clamped at one end of the spring at the bottom of the connecting ring 112, so that when the connecting ring 112 is adjusted, the spring connecting shaft 126 rotates on the bottom surface of the movable cavity 123, and the spring connecting shaft 126 has a certain elastic potential energy, and can drive the connecting ring 112 to abut against the first limiting groove 124 or the second limiting groove 125.
As an embodiment of the present invention, a distance between the protection plate 113 and the second gear 12 is greater than a distance between the first limiting groove 124 and the second limiting groove 125.
During operation, the distance between the protection plate 113 and the second gear 12 is smaller than the distance between the first limiting groove 124 and the second limiting groove 125, so as to prevent the first gear 11 from being excessively adjusted and preventing the connection ring 112 from moving into the second limiting groove 125 in the second gear 12.
In an embodiment of the present invention, a scraper 14 is fixed to a surface of the second gear 12 facing one end of the first gear 11, and an inner side of the scraper 14 is attached to a side wall of the connection ring 112.
When the double-linkage gear cleaning device works, when the first gear 11 and the second gear 12 move relatively, the scraper 14 on the top of the second gear 12 can clean the connecting ring 112 of the movable first gear 11, oil stains attached between the connecting ring 112 and the protection plate 113 can be removed by the scraper 14, and the mechanical performance of the double-linkage gear is kept.
The working principle is as follows: because the existing dual gears are fixed structures, when the dual gears are used in a gearbox, the dual gears cannot be adjusted according to the distance between the arranged meshing gears, so that a plurality of groups of gears with different sizes are required to be arranged on an output shaft and used for meshing the gears exceeding the adjustable distance of the dual gears, and the application range of the dual gears is limited; when the device is used, the connecting ring 112 at the bottom of the first gear 11 is positioned in the first limiting groove 124 or the second limiting groove 125 in the second gear 12, and the part between the connecting ring 112 and the first gear 11 is positioned in the movable cavity 123, when the connecting ring 112 at the bottom of the first gear 11 is positioned in the second limiting groove 125, the initial state of the duplicate gear is achieved, when the device is applied to a gearbox with a larger gear spacing, because the connecting ring 112 at the bottom of the first gear 11 is positioned in the second limiting groove 125, the overlapping length of the first gear 11 and the second gear 12 is smaller than the spacing between the two groups of gears, the duplicate gear cannot be adjusted to be meshed with the other group of gears by adjusting the duplicate gear, and at the moment, the inner hexagonal screw 13 is manually disassembled, so that the first gear 11 and the second gear 12 can keep a movable relationship, through artificial action, the first gear 11 is pulled out by a certain distance after rotating by 90 degrees, and the connecting ring 112 at the bottom of the first gear 11 can be shifted into the first limiting groove 124, so that the lengths of the first gear 11 and the second gear 12 are increased, and when the duplicate gear is adjusted, the duplicate gear can be respectively meshed with gears with larger intervals to achieve the purpose of adjusting the rotating speed, so that the duplicate gear can adjust the relative positions of the first gear 11 and the second gear 12 in the duplicate gear by utilizing the movability of the first gear 11, and can lock the first gear 11 and the second gear 12 by utilizing the inner hexagonal screws 13, and further can adapt to gearboxes with different transmission structures in a certain range of adjustment interval, so that the application range of the duplicate gear is wider; wherein, the connecting ring 112 arranged at the end of the first gear 11 is provided with symmetrical connecting lugs 114, the position of the first gear 11 can be limited by the connecting lugs 114, and the first gear can be driven to longitudinally move on the second gear 12 only after the first gear rotates 90 degrees under the action of human, so that the relative position adjustment effect of the duplicate gear is realized, and after the adjustment, the first gear is fixed by using the hexagon socket head cap screw 13 penetrating through the second gear 12;
the protection plate 113 arranged between the first gear 11 and the connecting ring 112 is attached to the bottom of the first gear 11, and can be used for protecting the bottom of the first gear 11, so that the situation that the gears are clamped into a gap reserved between the first gear 11 and the second gear 12 when being meshed is avoided, and the indication block 111 arranged on the protection plate 113 is used for indicating the rotation angle of the first gear 11, and is convenient to adjust; meanwhile, the bottom of the movable cavity 123 is provided with a sliding slot 127, and two sides of the spring movably connected in the sliding slot 127 are provided with one end thereof clamped at the bottom of the connecting ring 112, so that when the connecting ring 112 is adjusted, the spring connecting shaft 126 rotates on the bottom surface of the movable cavity 123 along with the spring connecting shaft 126, and the spring connecting shaft 126 has certain elastic potential energy, and can drive the connecting ring 112 to abut against the first limiting groove 124 or the second limiting groove 125.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed.

Claims (8)

1. The utility model provides a duplicate gear with adjustable bull gear relative position which characterized in that: comprises a duplicate gear body; the duplicate gear comprises a first gear (11) and a second gear (12); the first gear (11) is movably connected inside the second gear (12); a movable cavity (123), a first limiting groove (124) and a second limiting groove (125) are formed in the second gear (12), and one end, close to the second gear (12), of the first gear (11) is movably connected into the movable cavity (123), the first limiting groove (124) and the second limiting groove (125); a threaded hole (122) penetrating through the second gear (12) is formed in the surface of the second gear (12), and an inner hexagonal screw (13) is connected with the threaded hole (122) in an inner thread manner; the inner hexagonal screw (13) is in threaded connection with the first gear (11) and the second gear (12).
2. A duplicate gear with adjustable relative position of its pinions as claimed in claim 1, wherein: a connecting ring (112) is fixedly connected to the end part of the first gear (11), and connecting lugs (114) which are symmetrically arranged are fixedly connected to the connecting ring (112); the connecting ring (112) is movably connected in the movable cavity (123), the first limiting groove (124) and the second limiting groove (125); the inner hexagonal screw (13) is threaded through the connecting lug (114).
3. The double gear with the adjustable relative positions of the big gear and the small gear as claimed in claim 2, wherein: a protection plate (113) is fixedly connected between the top of the connecting ring (112) and the first gear (11), and indication blocks (111) which are symmetrically arranged are fixedly connected on the protection plate (113).
4. A duplicate gear with adjustable relative position of its pinions as claimed in claim 3, wherein: the bottom of the second gear (12) is provided with a through hole, and the threaded holes (122) are distributed on two sides of the through hole (121).
5. The duplicate gear with adjustable relative position of the big gear and the small gear as claimed in claim 4, wherein: an adjusting hole (128) corresponding to the connecting lug (114) is formed between the first limiting groove (124) and the second limiting groove (125); the adjustment aperture (128) is larger in size than the attachment ear (114).
6. The double gear with the adjustable relative position of the big gear and the small gear as claimed in claim 5, wherein: a sliding groove (127) is formed in the bottom surface of the movable cavity (123), and a spring connecting shaft (126) is connected in the sliding groove (127) in a sliding manner; the other end of the spring connecting shaft (126) is clamped at the bottom of the connecting ring (112) in the first limiting groove (124).
7. The double gear with the adjustable relative positions of the big gear and the small gear as claimed in claim 6, wherein: the distance between the protection plate (113) and the second gear (12) is larger than the distance between the first limiting groove (124) and the second limiting groove (125).
8. The double gear with the adjustable relative position of the big gear and the small gear as claimed in claim 7, wherein: the surface of one end, facing the first gear (11), of the second gear (12) is fixedly connected with a scraper (14), and the inner side of the scraper (14) is attached to the side wall of the connecting ring (112).
CN202210630697.5A 2022-06-06 2022-06-06 Duplicate gear with adjustable relative positions of big gear and small gear Pending CN115163784A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210630697.5A CN115163784A (en) 2022-06-06 2022-06-06 Duplicate gear with adjustable relative positions of big gear and small gear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210630697.5A CN115163784A (en) 2022-06-06 2022-06-06 Duplicate gear with adjustable relative positions of big gear and small gear

Publications (1)

Publication Number Publication Date
CN115163784A true CN115163784A (en) 2022-10-11

Family

ID=83484376

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210630697.5A Pending CN115163784A (en) 2022-06-06 2022-06-06 Duplicate gear with adjustable relative positions of big gear and small gear

Country Status (1)

Country Link
CN (1) CN115163784A (en)

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