CN217558917U - Anti-reverse gearbox system of lithium electric nail gun - Google Patents
Anti-reverse gearbox system of lithium electric nail gun Download PDFInfo
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- CN217558917U CN217558917U CN202221943087.2U CN202221943087U CN217558917U CN 217558917 U CN217558917 U CN 217558917U CN 202221943087 U CN202221943087 U CN 202221943087U CN 217558917 U CN217558917 U CN 217558917U
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 28
- 230000008859 change Effects 0.000 claims abstract description 68
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 39
- 238000005192 partition Methods 0.000 claims description 36
- 238000000034 method Methods 0.000 abstract description 7
- 230000009977 dual effect Effects 0.000 abstract description 3
- 238000010304 firing Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The utility model discloses an anti-reversion gearbox system of a lithium nail gun, which comprises a gearbox device, wherein the gearbox device comprises a tubular gearbox body, and a primary speed change gear set, a secondary speed change gear set and a tertiary speed change gear set which are arranged in the tubular gearbox body; a motor transmission gear arranged on an output shaft of the power motor system is meshed with a primary speed change gear set, the primary speed change gear set, a secondary speed change gear set and a tertiary speed change gear set are sequentially meshed for transmission, and the tertiary speed change gear set is meshed for transmission with a driving wheel disc; and a primary anti-reverse rotation pin and a tertiary anti-reverse rotation pin are respectively arranged in the primary speed change gear set and the tertiary speed change gear set. The utility model discloses anti-reverse gearbox system of lithium electric nail rifle, simple and practical, compact structure adopts tertiary change gear group and dual anti-reverse structure, can reduce the atress load of gear at the locking in-process, effectively provides the life of gear box, and the security performance is high, and protectiveness is good, safe and reliable.
Description
Technical Field
The utility model relates to a nail rifle technical field specifically is a reverse rotation prevention gearbox system of lithium electric nail rifle.
Background
The lithium electric nail gun is a modern nail-shooting fastening technology product, is a fastening tool for driving a nail into a building by taking lithium electricity as power, and is a necessary manual tool for woodworking, building construction and the like.
Present lithium electric nail rifle's gearbox, generally homoenergetic enough play the effect of variable speed, but homoenergetic positive and negative direction is rotatory, does not have one-way locking function, and such nail rifle has very big potential safety hazard in the use, easily causes the counter rotation and jets out the nail to cause operating personnel's injury, the security performance is relatively poor. And some gearboxes have a one-way locking function, but because structural limitation easily causes the risk of gear fracture in the locking process, the protectiveness is not high, and operating personnel's safety can not be effectively ensured.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the anti-reverse gearbox system of the lithium nail gun is provided to solve the defects.
In order to achieve the above object, the present invention provides the following technical solutions:
an anti-reverse gearbox system of a lithium nail gun comprises a gearbox device, wherein the gearbox device is arranged between a power motor system and a driving wheel disc and comprises a tubular gearbox body, and a primary speed change gear set, a secondary speed change gear set and a tertiary speed change gear set which are arranged in the tubular gearbox body; a motor transmission gear arranged on an output shaft of the power motor system is meshed with a primary speed change gear set, the primary speed change gear set, a secondary speed change gear set and a tertiary speed change gear set are sequentially meshed for transmission, and the tertiary speed change gear set is meshed for transmission with the driving wheel disc; and a primary anti-reverse rotation pin and a tertiary anti-reverse rotation pin are respectively arranged in the primary speed change gear set and the tertiary speed change gear set.
Preferably, the primary speed change gear set comprises a primary fixed gear ring, a primary planet gear, a primary reverse rotation stopping ring sleeve and a primary sun gear, the primary fixed gear ring and the primary reverse rotation stopping ring sleeve are arranged in the tubular gearbox box body in an overlapping mode, the primary planet gear is provided with a plurality of interference teeth A which are symmetrically arranged in the primary fixed gear ring, the outer ring surface of the primary planet gear is provided with interference teeth A, and the interference teeth A are meshed with interference teeth B arranged on the inner ring surface of the primary fixed gear ring; the motor transmission teeth are arranged at the symmetrical centers of the plurality of primary planet gears and are meshed with the interference teeth A of the primary planet gears; the primary sun gear is arranged on the inner side of the primary anti-reverse rotation ring sleeve, the axis of the primary planet gear is fixed with the end face of the primary sun gear through a primary axis rod, the other end face of the primary sun gear is provided with a primary sun gear output gear, and the primary sun gear output gear is meshed with the secondary speed change gear set; the outer annular surface of the primary sun gear is provided with a plurality of primary arc-shaped notches, and the primary anti-reverse pins are provided with a plurality of primary arc-shaped notches and are arranged in the primary arc-shaped notches one by one.
Preferably, the secondary speed change gear set comprises a secondary fixed gear ring, a secondary planet gear and a secondary sun gear, the secondary fixed gear ring is mounted in the tubular gearbox body, the secondary planet gear is provided with a plurality of interference teeth C which are symmetrically arranged in the secondary fixed gear ring, the outer ring surface of the secondary planet gear is provided with the interference teeth C, and the interference teeth C are meshed with the interference teeth D arranged on the inner ring surface of the secondary fixed gear ring; the primary sun gear output gear is arranged at the symmetrical center of the plurality of secondary planet gears and is meshed with the interference teeth C of the secondary planet gears; the axle center of the second-stage planetary gear is fixed with the end face of the second-stage sun gear through a second-stage axle center rod, the other end face of the second-stage sun gear is provided with a second-stage sun gear output gear, and the second-stage sun gear output gear is meshed with the third-stage speed change gear set.
Preferably, the three-stage speed change gear set comprises a three-stage fixed gear ring, a three-stage planetary gear, a three-stage reverse rotation stopping ring sleeve and a three-stage sun gear, the three-stage fixed gear ring and the three-stage reverse rotation stopping ring sleeve are overlapped and installed in the tubular gearbox body, the three-stage planetary gear is provided with a plurality of interference teeth E which are symmetrically arranged in the three-stage fixed gear ring, the outer ring surface of the three-stage planetary gear is provided with interference teeth E, and the interference teeth E are meshed with interference teeth F arranged on the inner ring surface of the three-stage fixed gear ring; the second-stage sun gear output gear is arranged at the symmetrical center of the plurality of third-stage planet gears and is meshed with the interference teeth E of the third-stage planet gears; the three-stage sun gear is arranged on the inner side of the three-stage reverse rotation stopping ring sleeve, the axis of the three-stage planetary gear is fixed with the end face of the three-stage sun gear through a three-stage axis rod, the other end face of the three-stage sun gear is provided with a three-stage sun gear output base, the end face of the three-stage sun gear output base is provided with an output blind hole, interference teeth G are arranged in the output blind hole, one end of the axis rod of the driving wheel disc is installed in the output blind hole, and the interference teeth H arranged at one end of the axis rod of the driving wheel disc are meshed with the interference teeth G of the output blind hole; a plurality of three-stage arc-shaped notches are formed in the outer ring surface of the three-stage sun gear, and a plurality of three-stage anti-reverse pins are arranged in the three-stage arc-shaped notches one by one.
Preferably, a first end face sealing plate, a first sealing ring and a second end face sealing plate are sequentially arranged in a tubular gearbox box body between the first-stage fixed gear ring and the power motor system, central holes are formed in the centers of the first end face sealing plate and the second end face sealing plate, and an output shaft of the power motor system sequentially penetrates through the central holes of the second end face sealing plate, the first sealing ring and the first end face sealing plate and then is meshed with the first-stage planetary gear.
Preferably, a first partition plate is arranged between the first-stage planetary gear and the first-stage sun gear, a plurality of partition plate limiting holes are formed in the first partition plate, and a plurality of first-stage shaft core rods penetrate through the partition plate limiting holes one by one; a second partition plate is arranged between the first-stage sun gear and the second-stage fixed gear ring, the second partition plate is installed on the inner wall of the tubular gearbox body, the first-stage anti-reverse pin is provided with a plurality of first reverse pins and installed in the first-stage arc-shaped concave openings on the outer ring surface of the first-stage sun gear one by one, and two ends of the first reverse pins are respectively in contact with and slide on the first partition plate and the two end faces of the partition plate.
Preferably, a third partition plate is arranged between the third-stage fixed gear ring and the second-stage sun gear, the periphery of the third partition plate is installed on the inner wall of the tubular gearbox body, a central through hole is formed in the center of the third partition plate, and the output gear of the second-stage sun gear is arranged in the central through hole of the third partition plate.
Preferably, an end face sealing plate III is arranged in the tubular gearbox body between the third-stage sun gear and the driving wheel disc, the periphery of the end face sealing plate III is installed on the inner wall of the tubular gearbox body, a central through hole is formed in the center of the end face sealing plate III, the third-stage sun gear output base is arranged in the central through hole of the end face sealing plate III, and the upper end of the third-stage anti-reverse pin is in contact with and slides on the lower end face of the end face sealing plate III.
Preferably, the first-stage arc-shaped notch and the third-stage arc-shaped notch are arc-shaped strips with a large end and a small end, and the first-stage arc-shaped notch and the inner annular surface of the first-stage anti-reverse loop sleeve, and the third-stage arc-shaped notch and the inner annular surface of the third-stage anti-reverse loop sleeve are all enclosed to form an anti-reverse adjusting hole.
The beneficial effects of the utility model reside in that:
the utility model discloses anti-reverse gearbox system of lithium electric nail rifle is through setting up tertiary change gear group in tubulose gearbox box to be provided with the one-level respectively in one-level change gear group, tertiary change gear group and prevent reverse round pin, tertiary anti-reverse round pin, utilize the one-level to prevent reverse round pin, tertiary anti-reverse round pin and play reverse locking function to one-level change gear group, tertiary change gear group respectively, prevent the reversal of drive rim plate. The utility model discloses anti-reverse gearbox system of lithium electric nail rifle, simple and practical, compact structure adopts tertiary change gear group and dual anti-reverse structure, can reduce the atress load of gear at the locking in-process, effectively provides the life of gear box, and the security performance is high, and the protectiveness is good, safe and reliable.
Drawings
FIG. 1: the utility model has a schematic structure;
FIG. 2: the utility model has an exploded structure;
FIG. 3: the utility model discloses a one-level speed change gear group's schematic structure drawing.
Detailed Description
The following description of the embodiments of the present invention is made with reference to the accompanying drawings 1-3:
as shown in fig. 1, 2 and 3, an anti-reverse gearbox system of a lithium nail gun comprises a gearbox device 200, wherein the gearbox device 200 is arranged between a power motor system 100 and a driving wheel disc 300, and the gearbox device 200 comprises a tubular gearbox box 201, and a primary speed change gear set 202, a secondary speed change gear set 203 and a tertiary speed change gear set 204 which are arranged in the tubular gearbox box 201; the motor transmission gear 101 arranged on the output shaft of the power motor system 100 is meshed with the first-stage speed change gear set 202, the second-stage speed change gear set 203 and the third-stage speed change gear set 204 are sequentially meshed for transmission, and the third-stage speed change gear set 204 is meshed for transmission with the driving wheel disc 300. The first-stage speed change gear set 202 and the third-stage speed change gear set 204 are respectively provided with a first-stage anti-reverse rotation pin 18 and a third-stage anti-reverse rotation pin 36.
The primary speed change gear set 202 comprises a primary fixed gear ring 11, a primary planet gear 12, a primary reverse rotation stopping ring sleeve 15 and a primary sun gear 16, wherein the primary fixed gear ring 11 and the primary reverse rotation stopping ring sleeve 15 are arranged in the tubular gearbox body 201 in an overlapping mode, the primary planet gear 12 is provided with a plurality of interference teeth A which are symmetrically arranged in the primary fixed gear ring 11, the outer ring surface of the primary planet gear 12 is provided with the interference teeth A, and the interference teeth A are meshed with the interference teeth B arranged on the inner ring surface of the primary fixed gear ring 11; the motor transmission teeth 101 are arranged at the symmetrical centers of the plurality of primary planet gears 12 and are meshed with the interference teeth A of the primary planet gears 12; the primary sun gear 16 is arranged on the inner side of the primary reverse rotation preventing ring sleeve 15, the axis of the primary planet gear 12 is fixed with the end face of the primary sun gear 16 through a primary axis rod 17, the other end face of the primary sun gear 16 is provided with a primary sun gear output gear 161, and the primary sun gear output gear 161 is meshed with the secondary speed change gear set 203; the outer annular surface of the primary sun gear 16 is provided with a plurality of primary arc-shaped notches 162, and the primary anti-reverse pin 18 is provided with a plurality of primary arc-shaped notches 162 and is arranged in the primary arc-shaped notches 162 one by one.
An end face sealing plate I13, a sealing ring I19 and an end face sealing plate II 10 are sequentially arranged in a tubular gearbox box 201 between the primary fixed gear ring 11 and the power motor system 100, central holes are formed in the centers of the end face sealing plate I13 and the end face sealing plate II 10, and an output shaft of the power motor system 100 sequentially penetrates through the central holes of the end face sealing plate II 10, the sealing ring I19 and the end face sealing plate I13 and then is meshed with the primary planetary gear 12. A first partition plate 14 is arranged between the first-stage planetary gear 12 and the first-stage sun gear 16, a plurality of partition plate limiting holes 141 are formed in the first partition plate 14, and a plurality of first-stage spindle rods 17 penetrate through the partition plate limiting holes 141 one by one.
The secondary speed change gear set 203 comprises a secondary fixed gear ring 21, a plurality of secondary planet gears 22 and a secondary sun gear 23, the secondary fixed gear ring 21 is arranged in the tubular gearbox casing 201, the secondary planet gears 22 are symmetrically arranged in the secondary fixed gear ring 21, interference teeth C are arranged on the outer annular surface of the secondary planet gears 22, and the interference teeth C are meshed with interference teeth D arranged on the inner annular surface of the secondary fixed gear ring 21; the primary sun gear output gear 161 is provided at the symmetrical center of the plurality of secondary planetary gears 22, and is all meshed with the interference teeth C of the secondary planetary gears 22; the axis of the secondary planet gear 22 is fixed with the end face of the secondary sun gear 23 through a secondary axis rod 24, the other end face of the secondary sun gear 23 is provided with a secondary sun gear output gear 231, and the secondary sun gear output gear 231 is meshed with the tertiary speed change gear set 204.
A second partition plate 25 is arranged between the first-stage sun gear 16 and the second-stage fixed gear ring 21, the second partition plate 25 is installed on the inner wall of the tubular gearbox casing 201, the first-stage anti-reverse rotation pins 18 are provided with a plurality of first-stage anti-reverse rotation pins and are installed in the first-stage arc-shaped notches 162 on the outer annular surface of the first-stage sun gear 16 one by one, and two ends of each first-stage anti-reverse rotation pin 18 are respectively in contact with and slide on the end surfaces of the first partition plate 14 and the second partition plate 25.
The three-stage speed change gear set 204 comprises a three-stage fixed gear ring 31, a three-stage planetary gear 32, a three-stage reverse rotation stopping ring sleeve 34 and a three-stage sun gear 33, wherein the three-stage fixed gear ring 31 and the three-stage reverse rotation stopping ring sleeve 34 are arranged in the tubular gearbox body 201 in an overlapping mode, the three-stage planetary gear 32 is provided with a plurality of interference teeth E which are symmetrically arranged in the three-stage fixed gear ring 31, the outer ring surface of the three-stage planetary gear 32 is provided with interference teeth E, and the interference teeth E are meshed with interference teeth F arranged on the inner ring surface of the three-stage fixed gear ring 31; the secondary sun gear output gear 231 is installed at the symmetrical center of the plurality of tertiary planet gears 32, and is all meshed with the interference teeth E of the tertiary planet gears 32; the three-stage sun gear 33 is arranged on the inner side of the three-stage anti-reverse rotation ring sleeve 34, the axis of the three-stage planetary gear 32 is fixed with the end face of the three-stage sun gear 33 through a three-stage axis rod 35, the other end face of the three-stage sun gear 33 is provided with a three-stage sun gear output base 331, the end face of the three-stage sun gear output base 331 is provided with an output blind hole, interference teeth G are arranged in the output blind hole, one end of the axis rod of the driving wheel disc 300 is arranged in the output blind hole, and the interference teeth H arranged at one end of the axis rod of the driving wheel disc 300 are meshed with the interference teeth G of the output blind hole; a plurality of three-stage arc-shaped notches 332 are formed in the outer annular surface of the three-stage sun gear 33, and a plurality of three-stage anti-reverse pins 36 are arranged in the three-stage arc-shaped notches 332 one by one.
A third partition 37 is arranged between the third-stage fixed gear ring 31 and the second-stage sun gear 23, the periphery of the third partition 37 is installed on the inner wall of the tubular gearbox casing 201, a central through hole is formed in the center of the third partition 37, and the second-stage sun gear output gear 231 is arranged in the central through hole of the third partition 37. An end face sealing plate III 38 is arranged in the tubular gearbox box body 201 between the third-stage sun gear 33 and the driving wheel disc 300, the periphery of the end face sealing plate III 38 is installed on the inner wall of the tubular gearbox box body 201, a central through hole is formed in the center of the end face sealing plate III 38, the third-stage sun gear output base 331 is arranged in the central through hole of the end face sealing plate III 38, and the upper end of the third-stage anti-reverse pin 36 is in contact with and slides on the lower end face of the end face sealing plate III 38.
Wherein, one-level arc notch 162, tertiary arc notch 332 are the big, the little arc strip in one end of one end, and one-level arc notch 162 and one-level turn-stopping ring cover 15 internal annular face, tertiary arc notch 332 and tertiary turn-stopping ring cover 34 internal annular face all enclose into the regulation hole that turns round that ends. When the rotation preventing mechanism rotates in the forward direction, the primary anti-reverse rotation pin 18 slides in a reverse rotation preventing adjusting hole formed by the primary arc-shaped notch 162 and the inner ring surface of the primary reverse rotation preventing ring sleeve 15 relative to the big head end of the reverse rotation preventing adjusting hole, and is finally placed at the big head end of the reverse rotation preventing adjusting hole to continuously slide; if the first-stage anti-reverse rotation pin 18 rotates reversely, the first-stage anti-reverse rotation pin 18 slides towards the small head end of the anti-reverse rotation adjusting hole in the anti-reverse rotation adjusting hole formed by the first-stage arc-shaped notch 162 and the inner ring surface of the first-stage anti-reverse rotation ring sleeve 15, and the width of the small head end of the anti-reverse rotation adjusting hole is smaller than the diameter of the first-stage anti-reverse rotation pin 18, so that the first-stage anti-reverse rotation pin 18 is clamped by the first-stage arc-shaped notch 162 of the small head end and the inner ring surface of the first-stage anti-reverse rotation ring sleeve 15 in the process of sliding towards the small head end of the anti-reverse rotation adjusting hole, and the reverse rotation of the first-stage sun gear 16 is prevented. Similarly, the third stage anti-reverse rotation pin 36 can prevent the reverse rotation of the third stage sun gear 33. The primary anti-reverse pin 18 and the tertiary anti-reverse pin 36 respectively arranged in the primary speed change gear set 202 and the tertiary speed change gear set 204 can respectively perform reverse locking and anti-reverse functions on the primary speed change gear set 202 and the tertiary speed change gear set 204.
The utility model discloses anti-reverse gearbox system of lithium power nail rifle, in the course of the work, power motor system 100 through gearbox device 200 deceleration and drive the rotation of drive rim plate 300, the steel round pin that sets up on the drive rim plate 300 again with the firing pin interlock in the lithium power nail rifle, the firing pin was pushed forward this moment, the piston that is located firing pin rear end can be pushed back, the air in the cylinder body of piston rear side is compressed backward. When the compressed air is compressed to the notch of the driving wheel disc 300, the firing pin is disengaged from the driving wheel disc 300, and the compressed air is released instantly to generate strong thrust to finish the nailing action. In the piston motion process in the lithium electric nail gun, air pressure exists in the cylinder body on the rear side of the piston, and the air pressure is increased in the compression process and can push the piston forward. The teeth of the striker are tightly engaged with the drive sheave 300, and the lower end of the drive sheave 300 is engaged with the transmission device 200. When the motor in the power motor system 100 is at rest, the air pressure pushes the piston and striker forward, the force is transferred to the drive sheave 300, and the drive sheave 300 transfers the force to the gearbox of the transmission device 200. At this time, the three gear sets are pushed to rotate reversely by force, and due to the existence of the first-stage anti-reverse rotation pin 18 and the third-stage anti-reverse rotation pin 36, the three gear sets are locked, and the firing pin is fixed and safely stopped at the moment. And if the double anti-reverse structure of the utility model is not used, the anti-reverse structure can be out of control.
The utility model discloses lithium electric nail rifle prevent reverse gearbox system, in the course of the work, the strength transmission that the air pressure was pushing up when the firing pin is static is for gearbox device 200 to all unload and give the tertiary anti-reverse round pin 36 that prevents the reversal, the gear no longer bears the power that comes from the cylinder, this life-span of strengthening the gear greatly. Meanwhile, the anti-reverse structure of the primary anti-reverse pin 18 can save more labor when the motor in the power motor system 100 is started, reduce the load when the motor is started, and improve the working efficiency.
The utility model discloses anti-reverse gearbox system of lithium electric nail rifle is through setting up tertiary change gear set in tubulose gearbox box 201 to be provided with the one-level respectively in one-level change gear set 202, tertiary change gear set 204 and prevent reverse round pin 18, tertiary anti-reverse round pin 36, utilize the one-level to prevent reverse round pin 18, tertiary anti-reverse round pin 36 and play reverse locking function to one-level change gear set 202, tertiary change gear set 204 respectively, prevent the reversal of driving the rim plate.
The utility model discloses anti-reverse gearbox system of lithium electric nail rifle, simple and practical, compact structure adopts tertiary change gear group and dual anti-reverse structure, can reduce the atress load of gear at the locking in-process, effectively provides the life of gear box, and the security performance is high, and the protectiveness is good, safe and reliable.
The above description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the method and the technical solution of the present invention are not substantially improved or directly applied to other occasions without improvement, and are all within the protection scope of the present invention.
Claims (9)
1. The anti-reverse gearbox system of the lithium nail gun comprises a gearbox device (200), wherein the gearbox device (200) is arranged between a power motor system (100) and a driving wheel disc (300), and is characterized in that the gearbox device (200) comprises a tubular gearbox body (201), and a primary speed-change gear set (202), a secondary speed-change gear set (203) and a tertiary speed-change gear set (204) which are arranged in the tubular gearbox body (201); a motor transmission gear (101) arranged on an output shaft of the power motor system (100) is meshed with a primary speed change gear set (202), the primary speed change gear set (202), a secondary speed change gear set (203) and a tertiary speed change gear set (204) are sequentially meshed for transmission, and the tertiary speed change gear set (204) is meshed for transmission with the driving wheel disc (300); and a primary reverse rotation preventing pin (18) and a tertiary reverse rotation preventing pin (36) are respectively arranged in the primary speed change gear set (202) and the tertiary speed change gear set (204).
2. The anti-reverse gearbox system of the lithium nail gun according to claim 1, wherein the primary speed change gear set (202) comprises a primary fixed gear ring (11), a primary planet gear (12), a primary reverse rotation preventing ring sleeve (15) and a primary sun gear (16), the primary fixed gear ring (11) and the primary reverse rotation preventing ring sleeve (15) are arranged in a tubular gearbox body (201) in an overlapped mode, the primary planet gear (12) is provided with a plurality of interference teeth A which are symmetrically arranged in the primary fixed gear ring (11), the outer ring surface of the primary planet gear (12) is provided with the interference teeth A, and the interference teeth A are meshed with interference teeth B arranged on the inner ring surface of the primary fixed gear ring (11); the motor transmission teeth (101) are arranged at the symmetrical centers of the primary planetary gears (12) and are meshed with the interference teeth A of the primary planetary gears (12); the primary sun gear (16) is arranged on the inner side of the primary reverse rotation stopping ring sleeve (15), the axis of the primary planet gear (12) is fixed with the end face of the primary sun gear (16) through a primary axis rod (17), the other end face of the primary sun gear (16) is provided with a primary sun gear output gear (161), and the primary sun gear output gear (161) is meshed with the secondary speed change gear set (203); a plurality of primary arc-shaped notches (162) are formed in the outer ring surface of the primary sun gear (16), and a plurality of primary anti-reverse pins (18) are arranged and installed in the primary arc-shaped notches (162) one by one.
3. The anti-reverse gearbox system of the lithium nail gun according to claim 2, wherein the secondary speed change gear set (203) comprises a secondary fixed gear ring (21), a secondary planetary gear (22) and a secondary sun gear (23), the secondary fixed gear ring (21) is installed in the tubular gearbox casing (201), the secondary planetary gear (22) is provided with a plurality of interference teeth C which are symmetrically arranged in the secondary fixed gear ring (21), interference teeth C are arranged on the outer annular surface of the secondary planetary gear (22), and the interference teeth C are meshed with interference teeth D arranged on the inner annular surface of the secondary fixed gear ring (21); the primary sun gear output gear (161) is arranged at the symmetrical center of the plurality of secondary planet gears (22) and is meshed with interference teeth C of the secondary planet gears (22); the axle center of the secondary planetary gear (22) is fixed with the end face of the secondary sun gear (23) through a secondary axle center rod (24), the other end face of the secondary sun gear (23) is provided with a secondary sun gear output gear (231), and the secondary sun gear output gear (231) is meshed with the tertiary speed change gear set (204).
4. The anti-reverse gearbox system of the lithium nail gun according to claim 3, wherein the three-stage transmission gear set (204) comprises a three-stage fixed gear ring (31), a three-stage planetary gear (32), a three-stage anti-reverse ring sleeve (34) and a three-stage sun gear (33), the three-stage fixed gear ring (31) and the three-stage anti-reverse ring sleeve (34) are installed in the tubular gearbox body (201) in a superposed mode, the three-stage planetary gear (32) is provided with a plurality of interference teeth E which are symmetrically arranged in the three-stage fixed gear ring (31), the outer ring surface of the three-stage planetary gear (32) is provided with interference teeth E, and the interference teeth E are meshed with interference teeth F arranged on the inner ring surface of the three-stage fixed gear ring (31); the secondary sun gear output gear (231) is arranged at the symmetrical center of the three-stage planetary gears (32) and is meshed with interference teeth E of the three-stage planetary gears (32); the three-stage sun gear (33) is arranged on the inner side of the three-stage anti-reverse rotation ring sleeve (34), the axis of the three-stage planetary gear (32) is fixed with the end face of the three-stage sun gear (33) through a three-stage axis rod (35), the other end face of the three-stage sun gear (33) is provided with a three-stage sun gear output base (331), an output blind hole is formed in the end face of the three-stage sun gear output base (331), interference teeth G are arranged in the output blind hole, one end of the axis rod of the driving wheel disc (300) is arranged in the output blind hole, and the interference teeth H arranged at one end of the axis rod of the driving wheel disc (300) are meshed with the interference teeth G of the output blind hole; a plurality of three-stage arc-shaped notches (332) are formed in the outer annular surface of the three-stage sun gear (33), and a plurality of three-stage anti-reverse pins (36) are arranged in the three-stage arc-shaped notches (332) one by one.
5. The anti-reverse gearbox system of the lithium nail gun according to claim 2, wherein a first end face sealing plate (13), a first sealing ring (19) and a second end face sealing plate (10) are sequentially arranged in the tubular gearbox body (201) between the primary fixed gear ring (11) and the power motor system (100), central openings are formed in the centers of the first end face sealing plate (13) and the second end face sealing plate (10), and an output shaft of the power motor system (100) sequentially penetrates through the central openings of the second end face sealing plate (10), the first sealing ring (19) and the first end face sealing plate (13) and then is meshed with the primary planetary gear (12).
6. The anti-reverse gearbox system of the lithium nail gun according to claim 4, characterized in that a first partition plate (14) is arranged between the first-stage planetary gear (12) and the first-stage sun gear (16), a plurality of partition plate limiting holes (141) are formed in the first partition plate (14), and a plurality of first-stage spindle rods (17) penetrate through the partition plate limiting holes (141) one by one; a second partition plate (25) is arranged between the first-stage sun gear (16) and the second-stage fixed gear ring (21), the second partition plate (25) is installed on the inner wall of the tubular gearbox body (201), the first-stage anti-reverse pin (18) is provided with a plurality of anti-reverse pins and installed in the first-stage arc-shaped notches (162) on the outer annular surface of the first-stage sun gear (16) one by one, and two ends of the first-stage anti-reverse pin (18) are respectively in contact with the first partition plate (14) and the second partition plate (25) in an end face mode and slide.
7. The anti-reverse gearbox system of the lithium nail gun according to claim 6, wherein a third partition plate (37) is arranged between the third-level fixed gear ring (31) and the second-level sun gear (23), the periphery of the third partition plate (37) is installed on the inner wall of the tubular gearbox casing (201), a central through hole is formed in the center of the third partition plate (37), and the second-level sun gear output gear (231) is arranged in the central through hole of the third partition plate (37).
8. The anti-reverse gearbox system of the lithium nail gun according to claim 6, wherein a third end face sealing plate (38) is arranged in the tubular gearbox casing (201) between the third-stage sun wheel (33) and the driving wheel disc (300), the periphery of the third end face sealing plate (38) is installed on the inner wall of the tubular gearbox casing (201), a central through hole is formed in the center of the third end face sealing plate (38), the third-stage sun wheel output base (331) is arranged in the central through hole of the third end face sealing plate (38), and the upper end of the third-stage anti-reverse pin (36) is in contact with and slides on the lower end face of the third end face sealing plate (38).
9. The anti-reverse gearbox system of the lithium nail gun according to claim 4, wherein the first-stage arc-shaped notch (162) and the third-stage arc-shaped notch (332) are arc-shaped strips with a large end and a small end, and the inner annular surfaces of the first-stage arc-shaped notch (162) and the first-stage reverse rotation preventing ring sleeve (15) and the inner annular surfaces of the third-stage arc-shaped notch (332) and the third-stage reverse rotation preventing ring sleeve (34) are all enclosed to form a reverse rotation preventing adjusting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221943087.2U CN217558917U (en) | 2022-07-26 | 2022-07-26 | Anti-reverse gearbox system of lithium electric nail gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221943087.2U CN217558917U (en) | 2022-07-26 | 2022-07-26 | Anti-reverse gearbox system of lithium electric nail gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217558917U true CN217558917U (en) | 2022-10-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221943087.2U Active CN217558917U (en) | 2022-07-26 | 2022-07-26 | Anti-reverse gearbox system of lithium electric nail gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217558917U (en) |
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2022
- 2022-07-26 CN CN202221943087.2U patent/CN217558917U/en active Active
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Address after: 4th Floor, Building G88, Area G, Jiahai Industrial Park, No. 3768, Xinbengbu Road, Xinzhan District, Hefei City, Anhui Province 230000 Patentee after: Wanzhi Jinggong Technology (Hefei) Co.,Ltd. Country or region after: China Address before: 4th Floor, Building G88, Area G, Jiahai Industrial Park, No. 3768, Xinbengbu Road, Xinzhan District, Hefei City, Anhui Province 230000 Patentee before: Hefei Wanzhi Precision Technology Co.,Ltd. Country or region before: China |
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