CN114244014A - Split type reduction box motor - Google Patents
Split type reduction box motor Download PDFInfo
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- CN114244014A CN114244014A CN202111390960.XA CN202111390960A CN114244014A CN 114244014 A CN114244014 A CN 114244014A CN 202111390960 A CN202111390960 A CN 202111390960A CN 114244014 A CN114244014 A CN 114244014A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 34
- 230000033001 locomotion Effects 0.000 claims abstract description 10
- 230000000670 limiting effect Effects 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 239000013013 elastic material Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920006324 polyoxymethylene Polymers 0.000 claims description 3
- 229930040373 Paraformaldehyde Natural products 0.000 claims 1
- -1 polyoxymethylene Polymers 0.000 claims 1
- 239000011521 glass Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
- H02K7/1163—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gear Transmission (AREA)
Abstract
The invention provides a split type reduction gearbox motor which comprises a gear box, a helical gear, a cushion pad and a force output seat, wherein the helical gear is arranged on the gear box; the helical gear, the cushion pad and the output seat are connected to form an integral structure and are arranged in the gear box; the buffer cushion is of an annular integrated structure, the buffer cushion is sleeved on the force-exerting seat, and the lower end face of the buffer cushion is clamped with the force-exerting seat, so that the circumferential movement of the force-exerting seat and the buffer cushion is limited; the helical gear is sleeved on the output seat and is clamped with the upper end surface of the cushion pad, so that the circumferential movement of the helical gear and the cushion pad is limited; the split type reduction gearbox motor provided by the invention can effectively reduce the number of assembly parts, so that the assembly efficiency is improved, and the transmission efficiency of the transmission structure can be effectively improved after the split type reduction gearbox motor is integrally assembled.
Description
Technical Field
The invention belongs to the technical field of split type reduction gearbox motors, and particularly relates to a split type reduction gearbox motor.
Background
The existing automobile window motor is generally a reduction gearbox motor, and is generally designed with an integrated and split reduction gearbox; split reduction boxes are commonly used in high torque motor designs, i.e. window designs where the window lifter requires high closing force, such as frameless glass. Due to the design of the buffer block in the reduction gearbox, the stress impact on the worm gear and worm gear caused by impact sound generated by the fact that the large-torque glass rises to the top can be effectively reduced, but the number of parts in the split reduction gearbox motor is too large, the matching efficiency is not high, the transmission efficiency is reduced, meanwhile, the split reduction gearbox motor is not locked in the axial direction, the rotary motion of the sealing O ring and the bottom gear box is extruded when the buffer seat is axially extruded, the axial pressure is increased, the transmission efficiency is reduced, and the transmission efficiency of the split design is reduced by 4-5% when the split reduction gearbox motor is axially extruded; meanwhile, the production and assembly efficiency is low due to the fact that the number of parts is large.
Based on the technical problems existing in the automobile window motor, no relevant solution is provided; there is therefore a pressing need to find effective solutions to the above problems.
Disclosure of Invention
The invention aims to provide a split type reduction gearbox motor aiming at overcoming the defects in the prior art and aims to solve one of the problems of low assembly efficiency and low transmission efficiency of the existing reduction gearbox motor.
The invention provides a split type reduction gearbox motor which comprises a gear box, a helical gear, a cushion pad and a force output seat, wherein the helical gear is arranged on the gear box; the helical gear, the cushion pad and the output seat are connected to form an integral structure and are arranged in the gear box; the buffer cushion is of an annular integrated structure, the buffer cushion is sleeved on the force-exerting seat, and the lower end face of the buffer cushion is clamped with the force-exerting seat, so that the circumferential movement of the force-exerting seat and the buffer cushion is limited; the helical gear cup joints on exerting oneself the seat to the joint between the up end of helical gear and blotter, thereby inject the circumferential displacement of helical gear and blotter.
Furthermore, a sink groove is formed in the lower end face of the cushion pad, a clamping groove is formed in the upper end face of the cushion pad, a boss is arranged on the force output seat, and reinforcing ribs are arranged on the inner side wall of the helical gear; the cushion pad is clamped with the lug boss through the sinking groove; the helical gear passes through the strengthening rib joint in the draw-in groove.
Furthermore, the buffer cushion comprises three arc-shaped buffer blocks, and the three buffer blocks are connected through arc-shaped connecting plates to form an annular structure; the bottom surface of each buffer block is provided with a sinking groove, and a clamping groove is formed between every two adjacent buffer blocks.
Further, the seat of exerting oneself is including exerting oneself the seat body, and the seat body of exerting oneself is hollow structure to be equipped with the chassis on exerting oneself the circumference of seat body bottom, the top of the seat body of exerting oneself is equipped with gear portion, and the boss sets up on the lateral wall of the seat body bottom of exerting oneself, is interference fit between boss and the heavy groove.
Furthermore, the helical gear is of an external gear structure, and an inner ring is arranged at the center of the helical gear; the reinforcing ribs are uniformly arranged on the side surface of the inner ring along the circumferential direction, and one or more buffer grooves are uniformly arranged on the inner ring along the circumferential direction.
Furthermore, a limiting block is arranged on the side wall of the output seat body in a protruding mode along the radial direction of the output seat body, and the upper end face of the limiting block is an inclined plane; the helical gear can penetrate through the force output seat body after being deformed by extruding the limiting block through the inner ring, so that the helical gear is arranged on the force output seat, and the limiting block can limit the helical gear from being separated from the force output seat along the axial direction of the force output seat body; or the helical gear can be aligned to the limiting block through the buffer slot, so that the helical gear passes through the force output seat body and is arranged on the force output seat through rotation, and the limiting block can limit the helical gear to be separated from the force output seat along the axial direction of the force output seat body.
Furthermore, the chassis is uniformly provided with abdicating grooves along the circumferential direction, and the lug boss is arranged at the connecting part of the output seat body and the chassis; the inner ring is made of elastic material.
Furthermore, the motor of the reduction gearbox comprises a central column, one end of the central column is fixedly arranged on the bottom surface in the gear box, and the other end of the central column penetrates through the force-applying seat and extends out of a gear cover of an opening at the upper end of the gear box; the bevel gear and the cushion pad are respectively sleeved on the output seat and form an integrated transmission structure, and the transmission structure can integrally rotate around the central column.
Furthermore, the motor of the reduction gearbox comprises a sealing ring, a gear cover and a linkage part; the linkage part is arranged on one side of the gear box and is in transmission connection with the bevel gear; the sealing ring is sleeved in an annular groove of an opening at the upper end of the gear box; the gear cover covers the opening at the upper end of the gear box through a screw and clamps the sealing ring, so that the helical gear, the cushion pad and the force output seat are sealed in the gear box.
Furthermore, the cushion pad is made of rubber materials, the bevel gear is made of polyformaldehyde materials, and the output seat is made of plastic materials.
The split type reduction gearbox motor provided by the invention can effectively reduce the number of assembly parts, so that the assembly efficiency is improved, and the transmission efficiency of the transmission structure can be effectively improved after the split type reduction gearbox motor is integrally assembled.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The invention will be further explained with reference to the drawings, in which:
FIG. 1 is an exploded view of a split reduction gearbox motor according to the present invention;
FIG. 2 is a first schematic view of a split reduction gearbox motor of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic view of a motor of a split reduction gearbox according to the present invention;
FIG. 5 is a cross-sectional view taken along line C-C of FIG. 4 in accordance with the present invention;
FIG. 6 is a front view of the force output mount structure of the present invention;
FIG. 7 is a perspective view of the force output base structure of the present invention;
FIG. 8 is a perspective view of a first helical gear of the present invention;
FIG. 9 is a perspective view of a bevel gear of the present invention;
FIG. 10 is a perspective view of a first buffer block according to the present invention;
FIG. 11 is a perspective view of a second buffer block of the present invention;
FIG. 12 is a schematic view of a helical gear of the present invention prior to attachment to a power output mount;
FIG. 13 is a schematic view of a bevel gear of the present invention after connection with a force output mount;
FIG. 14 is a schematic view of the helical gear, the force output mount and the buffer block connection of the present invention;
fig. 15 is a schematic view of the present invention in comparison to a conventional transmission.
In the figure: 1. a gear box; 2. a helical gear; 21. an inner ring; 22. a buffer tank; 23. reinforcing ribs; 24. helical teeth; 3. a cushion pad; 31. a buffer block; 32. an arc-shaped connecting plate; 33. sinking a groove; 34. a card slot; 35. an inner tank; 4. a force output base; 41. a force output seat body; 42. a boss; 43. a limiting block; 44. a gear portion; 45. a base; 46. a yielding groove; 5. a seal ring; 6. a gear cover; 7. a motor; 8. a central column; 9. an interlocking part.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 to 15, the invention provides a split type reduction gearbox motor, which comprises a gear box 1, a helical gear 2, a cushion pad 3 and an output seat 4; wherein, the bevel gear 2, the cushion pad 3 and the output seat 4 are connected into an integral structure and are arranged in the gear box 1; furthermore, the cushion pad 3 is of an annular integrated structure, namely the cushion pad 3 is of an integrated structure and can be directly assembled, so that the assembly efficiency can be improved, the re-assembly is avoided, and the compactness of the assembly structure is influenced; furthermore, the cushion pad 3 is sleeved on the force-exerting seat 4, and the lower end face of the cushion pad 3 is clamped with the force-exerting seat 4, so that circumferential movement between the force-exerting seat 4 and the cushion pad 3 is limited, specifically, the lower end face of the cushion pad 3 is clamped with the force-exerting seat 4 through a clamping structure, a limiting structure is formed, so that mutual movement of the force-exerting seat 4 and the cushion pad 3 in the circumferential direction is limited, and transmission efficiency is influenced; further, the helical gear 2 is sleeved on the output seat 4, and the helical gear 2 is clamped with the upper end face of the cushion pad 3, so that circumferential movement of the helical gear 2 and the cushion pad 3 is limited, namely the helical gear 2 is clamped with the upper end face of the cushion pad 3 through a clamping structure to form a limiting structure, so that mutual movement of the helical gear 2 and the cushion pad 3 in the circumferential direction is limited, and transmission efficiency is influenced; by adopting the scheme, the cushion pad 3 is arranged between the chassis of the bevel gear 2 and the chassis of the force output seat 4, and the upper end and the lower end of the cushion pad 3 are respectively clamped with the bevel gear 2 and the force output seat 4, so that the limiting effect can be effectively realized, the mutual pre-pressure of each part in the transmission structure can be effectively consumed, the friction force is reduced, and the transmission efficiency is improved; according to the split type reduction gearbox motor, the helical gear 2, the cushion pad 3 and the force output seat 4 are connected in a matched mode to form an integrated transmission structure, so that the transmission structure can play a role of buffering when rotating in the radial direction, the transmission structure is integrated in the axial direction, pre-pressure is consumed inside, the pre-pressure is not released to other axial matching parts, namely friction force is not added to the axial direction, and therefore transmission efficiency can be improved.
Preferably, with reference to the above solutions, please refer to fig. 1 to 15, and specifically refer to fig. 10 to 11, a lower end surface of the cushion pad 3 is provided with a sink 33, an upper end surface of the cushion pad 3 is provided with a slot 34, a side wall of the output seat 4 is provided with a boss 42, and an inner side wall of the helical gear 2 is provided with a reinforcing rib 23; by designing the structure, the lower end surface of the cushion pad 3 is clamped with the boss 42 through the sinking groove 33, so that the radial limiting effect is realized; meanwhile, the bevel gear 2 is clamped in the clamping groove 34 on the upper end face of the cushion pad 3 through the reinforcing rib 23, and the limiting effect is also achieved, so that the structural connection compactness is improved, the bevel gear 2, the cushion pad 3 and the force output seat 4 are prevented from moving circumferentially in the rotating process, and the transmission efficiency is reduced; adopt above-mentioned scheme, be equipped with the boss on the lateral wall through exerting oneself seat 4 to and be equipped with the strengthening rib on the inside wall of helical gear 2, with buffer seat 3 solid down between exerting oneself seat 4 and helical gear 2, can bear the seat of exerting oneself and helical gear moment, play the cushioning effect, reduce the noise that glass rose when reaching the top, reduce the stress when motor stalling simultaneously, easier reverse start.
Preferably, in combination with the above solutions, as shown in fig. 10 to 11, in this embodiment, the cushion pad 3 includes three arc-shaped cushion blocks 31, that is, the cushion pad 3 is formed annularly by connecting the three arc-shaped cushion blocks 31, and specifically, two adjacent cushion blocks 31 are connected by an arc-shaped connecting plate 32; furthermore, the three buffer blocks 31 are connected through arc-shaped connecting plates 32 to form an annular structure; specifically, a sunken groove 33 is respectively provided on a bottom surface of each buffer block 31, a catching groove 34 is formed between adjacent buffer blocks 31, and the sunken groove 33 and the catching groove 34 are respectively located on upper and lower end surfaces of the cushion pad 3.
Preferably, with reference to the above solutions, as shown in fig. 1 to 15, and in particular in fig. 6 to 7, in this embodiment, the output seat 4 specifically includes an output seat body 41, and the output seat body 41 has a hollow structure, so that the central column 8 can pass through the hollow structure; further, a chassis 45 is arranged on the bottom of the output seat body 41 in the circumferential direction, a gear portion 44 is arranged on the top of the output seat body 41, and the gear portion 44 is meshed with the gear teeth of the driving member; further, boss 42 sets up on the lateral wall of exerting oneself the seat body 41 bottom to boss 42 and heavy groove 33 between be interference fit, thereby make the seat 4 of exerting oneself can be in the same place with the compact joint of blotter 3, promote rotation efficiency.
Preferably, in combination with the above solution, please refer to fig. 1 to 15, and specifically refer to fig. 8 to 9, in this embodiment, the helical gear 2 is an external gear structure, and an inner ring 21, specifically a hollow structure, is disposed at the center of the helical gear 2; specifically, the reinforcing ribs 23 are uniformly arranged on the side surface of the inner ring 21 along the circumferential direction, and one or more buffer grooves 22 are uniformly arranged on the inner ring 21 along the circumferential direction, so that the buffer grooves 22 mainly serve to facilitate the limiting blocks 43 on the force-applying seat body 41 to extrude the inner ring 21 to deform, and the purpose of penetrating the inner ring can be achieved.
Preferably, with reference to the above scheme, please refer to fig. 1 to 15, and specifically refer to fig. 8 to 9, the side wall of the output seat body 41 is provided with a stopper 43 along the radial direction thereof, and the upper end surface of each stopper 43 is an inclined surface, which is designed mainly for the inner ring 21 of the helical gear 2 to be able to pass through along the inclined surface; specifically, the helical gear 2 can pass through the seat body 41 of exerting oneself after the deformation of inner ring 21 extrusion stopper 43 to set up on exerting oneself the seat 4, and then make the stopper 43 can restrict the helical gear 2 and deviate from the seat 4 of exerting oneself along the axial of exerting oneself the seat body 41, when the helical gear 2 was installed on exerting oneself the seat 4 promptly, the stopper 43 can effectively compress tightly helical gear 2, avoids it to deviate from, makes the assembly of whole structure more reasonable.
Preferably, with the above solution, as shown in fig. 1 to 15, as another alternative embodiment, when the helical gear 2 and the force output seat 4 are installed, the buffer groove 22 of the helical gear 2 is aligned with the limit block 43, so that the helical gear can pass through the force output seat body 41, and then the limit block 43 and the buffer groove 22 form a misalignment by rotating, so that the helical gear 2 is disposed on the force output seat 4, and finally the limit block 43 can limit the helical gear 2 from coming out of the force output seat 4 along the axial direction of the force output seat body 41, so that the assembly of the whole structure is more reasonable.
Preferably, in combination with the above solutions, as shown in fig. 1 to 15, the chassis 45 is uniformly provided with the relief grooves 46 along the circumferential direction, the relief is the design of the grooves 46, and the easy demolding after the force output seat body 41 is molded in a mold is mainly considered, so that the cost and the processing difficulty are reduced; furthermore, the boss 42 is arranged at the joint of the output seat body 41 and the chassis 45, so that the clamping firmness of the output seat body can be improved; further, the inner ring 21 is made of an elastic material, so that the limiting block 43 can press the inner ring 21 to deform, and a mounting structure is formed.
Preferably, in combination with the above solutions, as shown in fig. 1 to 15, the reduction gearbox motor includes a central column 8, one end of the central column 8 is fixedly disposed on the bottom surface inside the gear box 1, and the other end of the central column 8 passes through the output seat 4 and extends out of the gear cover 6 of the upper end opening of the gear box 1; furthermore, the helical gear 2 and the cushion pad 3 are respectively sleeved on the output seat 4 and form an integrated transmission structure, and the transmission structure can rotate around the central column 8 as a whole, so that transmission is realized; by adopting the scheme, the helical gear 2, the cushion pad 3 and the force output seat 4 are in interference fit in the axial direction, do not move relatively, have internal consumption of pre-pressure between each other, do not release the pre-pressure to other axial mating parts, such as a sealing O ring and the like, i.e. do not increase friction force in the axial direction, so that the transmission efficiency can be improved.
Preferably, in combination with the above scheme, as shown in fig. 1 to 15, the reduction gearbox motor comprises a sealing ring 5, a gear cover 6 and a linkage part 9; wherein, the linkage part 9 is arranged at one side of the gear box 1 and is in transmission connection with the bevel gear 2; further, a sealing ring 5 is sleeved in an annular groove of an opening at the upper end of the gear box 1 to form a sealing structure; further, a gear cover 6 covers an opening at the upper end of the gear box 1 by a screw and clamps the seal ring 5, thereby sealing the helical gear 2, the cushion pad 3 and the output seat 4 in the gear box 1.
Preferably, in combination with the above solutions, as shown in fig. 1 to 15, the cushion pad 3 is made of a rubber material, so as to form a better interference fit structure; further, the bevel gear 2 is made of polyformaldehyde material; further, the force output seat 4 is made of a plastic material.
Preferably, by combining the scheme, the split type reduction gearbox motor provided by the invention can be particularly applied to the lifting of the windows of automobiles; the split type reduction gearbox motor provided by the invention is adopted: the rubber buffer cushion is always in a lower extrusion state, but the bevel gear and the output seat are in a buckle type connection structure, the rubber buffer cushion is pressed inside, the bevel gear and the output seat form a whole, when torque force is output outwards, no extra axial pressure exists, transmission efficiency is reduced, the transmission efficiency is closer to an integrated structure, and the method is concretely referred to the following table 1; specifically, transmission efficiency = shaft end output torque/motor gear ratio (78)/motor input torque:
TABLE 1
The split type reduction gearbox motor provided by the invention can effectively reduce the number of assembly parts, so that the assembly efficiency is improved, and the transmission efficiency of the transmission structure can be effectively improved after the split type reduction gearbox motor is integrally assembled.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art can make numerous possible variations and modifications to the described embodiments, or modify equivalent embodiments, without departing from the scope of the invention. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from.
Claims (10)
1. A split type reduction gearbox motor is characterized by comprising a gear box (1), a helical gear (2), a cushion pad (3) and a force output seat (4); the bevel gear (2), the cushion pad (3) and the output seat (4) are connected to form an integral structure and are arranged in the gear box (1); the buffer cushion (3) is of an annular integrated structure, the buffer cushion (3) is sleeved on the force-exerting seat (4), and the lower end face of the buffer cushion (3) is clamped with the force-exerting seat (4), so that the circumferential movement of the force-exerting seat (4) and the buffer cushion (3) is limited; the bevel gear (2) is sleeved on the force outlet seat (4), and the bevel gear (2) is clamped with the upper end face of the cushion pad (3), so that the circumferential movement of the bevel gear (2) and the cushion pad (3) is limited.
2. The split type reduction gearbox motor according to claim 1, wherein a sink groove (33) is formed in the lower end face of the cushion pad (3), a clamping groove (34) is formed in the upper end face of the cushion pad (3), a boss (42) is formed on the output seat (4), and a reinforcing rib (23) is formed on the inner side wall of the helical gear (2); the cushion pad (3) is clamped with the boss (42) through the sinking groove (33); the bevel gear (2) is clamped in the clamping groove (34) through the reinforcing rib (23).
3. The split type reduction gearbox motor according to claim 2, wherein the buffer cushion (3) comprises three arc-shaped buffer blocks (31), and the three buffer blocks (31) are connected through arc-shaped connecting plates (32) to form an annular structure; a sunk groove (33) is formed in the bottom surface of each buffer block (31), and the clamping grooves (34) are formed between the adjacent buffer blocks (31).
4. The split type reduction gearbox motor according to claim 2, wherein the output seat (4) comprises an output seat body (41), the output seat body (41) is of a hollow structure, a chassis (45) is arranged on the bottom of the output seat body (41) in the circumferential direction, a gear portion (44) is arranged on the top of the output seat body (41), the boss (42) is arranged on the side wall of the bottom of the output seat body (41), and the boss (42) is in interference fit with the sink groove (33).
5. The split type reduction gearbox motor according to claim 2, wherein the bevel gear (2) is an external gear structure, and an inner ring (21) is arranged at the center of the bevel gear (2); the reinforcing ribs (23) are uniformly arranged on the side surface of the inner ring (21) along the circumferential direction, and one or more buffer grooves (22) are uniformly arranged on the inner ring (21) along the circumferential direction.
6. The split type reduction gearbox motor according to claim 5, wherein a limiting block (43) is arranged on the side wall of the output seat body (41) in a protruding mode along the radial direction of the output seat body, and the upper end face of the limiting block (43) is an inclined plane; the helical gear (2) can be extruded by the inner ring (21) to deform and then penetrate through the force output seat body (41) so as to be arranged on the force output seat (4), and the helical gear (2) can be limited by the limiting block (43) to be separated from the force output seat (4) along the axial direction of the force output seat body (41); or,
the helical gear (2) can be aligned to the limiting block (43) through the buffer groove (22), so that the helical gear penetrates through the force-exerting seat body (41) and is arranged on the force-exerting seat (4) through rotation, and the limiting block (43) can limit the helical gear (2) to be separated from the force-exerting seat (4) along the axial direction of the force-exerting seat body (41).
7. The split type reduction gearbox motor according to claim 5, wherein the chassis (45) is uniformly provided with abdicating grooves (46) along the circumferential direction, and the bosses (42) are arranged at the connection part of the output seat body (41) and the chassis (45); the inner ring (21) is made of elastic material.
8. The split type reduction gearbox motor according to claim 1, wherein the reduction gearbox motor comprises a central column (8), one end of the central column (8) is fixedly arranged on the bottom surface in the gear box (1), and the other end of the central column (8) penetrates through the output seat (4) and extends out of a gear cover (6) of an opening at the upper end of the gear box (1); helical gear (2) blotter (3) are located respectively the cover is in exerting oneself on seat (4) to form integrative transmission structure, transmission structure is whole can wind center post (8) rotate.
9. The split type reduction gearbox motor according to claim 8, wherein the reduction gearbox motor comprises a seal ring (5), a gear cover (6) and a linkage part (9); the linkage part (9) is arranged on one side of the gear box (1) and is in transmission connection with the bevel gear (2); the sealing ring (5) is sleeved in an annular groove with an opening at the upper end of the gear box (1); the gear cover (6) covers the opening at the upper end of the gear box (1) through a screw, and clamps the sealing ring (5), so that the helical gear (2), the cushion pad (3) and the output seat (4) are sealed in the gear box (1).
10. The split reduction gearbox motor according to any one of claims 1 to 9, wherein the cushion pad (3) is made of rubber material, the bevel gear (2) is made of polyoxymethylene material, and the output seat (4) is made of plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111390960.XA CN114244014B (en) | 2021-11-23 | 2021-11-23 | Split type reduction box motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111390960.XA CN114244014B (en) | 2021-11-23 | 2021-11-23 | Split type reduction box motor |
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| Publication Number | Publication Date |
|---|---|
| CN114244014A true CN114244014A (en) | 2022-03-25 |
| CN114244014B CN114244014B (en) | 2023-01-24 |
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| CN202111390960.XA Active CN114244014B (en) | 2021-11-23 | 2021-11-23 | Split type reduction box motor |
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| CN (1) | CN114244014B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6003397A (en) * | 1995-10-09 | 1999-12-21 | Asmo Co., Ltd. | Rotary output transmitting structure with a slidable washer |
| DE19953869A1 (en) * | 1998-11-12 | 2000-05-18 | Enplas Corp | Cog wheel has rim, concentric hub and peripheral teeth, holder sections with cavity and perforated part |
| WO2021032044A1 (en) * | 2019-08-19 | 2021-02-25 | 苏州科瓴精密机械科技有限公司 | Torque transfer mechanism, electric starting device, engine and garden tool |
-
2021
- 2021-11-23 CN CN202111390960.XA patent/CN114244014B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6003397A (en) * | 1995-10-09 | 1999-12-21 | Asmo Co., Ltd. | Rotary output transmitting structure with a slidable washer |
| DE19953869A1 (en) * | 1998-11-12 | 2000-05-18 | Enplas Corp | Cog wheel has rim, concentric hub and peripheral teeth, holder sections with cavity and perforated part |
| WO2021032044A1 (en) * | 2019-08-19 | 2021-02-25 | 苏州科瓴精密机械科技有限公司 | Torque transfer mechanism, electric starting device, engine and garden tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114244014B (en) | 2023-01-24 |
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