CN114029890A - Electric screwdriver torque adjusting method - Google Patents
Electric screwdriver torque adjusting method Download PDFInfo
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- CN114029890A CN114029890A CN202111206621.1A CN202111206621A CN114029890A CN 114029890 A CN114029890 A CN 114029890A CN 202111206621 A CN202111206621 A CN 202111206621A CN 114029890 A CN114029890 A CN 114029890A
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 230000001965 increasing effect Effects 0.000 claims abstract description 104
- 238000009826 distribution Methods 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/142—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers
- B25B23/1422—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers torque indicators or adjustable torque limiters
- B25B23/1425—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers torque indicators or adjustable torque limiters by electrical means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The invention belongs to the technical field of electric screwdrivers, and particularly relates to a torque adjusting method of an electric screwdriver, wherein the electric screwdriver comprises an electric screwdriver body and a switch, the electric screwdriver body is connected with a torque increasing mechanism, the torque increasing mechanism comprises a screwdriver head seat, a secondary torque increasing assembly, a clutch assembly and a primary torque increasing assembly, and the adjusting method specifically comprises the following steps: the screwdriver head seat is connected with a screwdriver head clamp, the screwdriver head clamp is fixed on the screwdriver head seat, and the screwdriver head clamp and the screw are connected together; primary torque increasing: the first-stage torque-increasing assembly synchronously rotates along with the electric screwdriver body, the clutch assembly is in a linkage state at the moment, and the second-stage torque-increasing assembly and the first-stage torque-increasing assembly are enabled to keep the same rotating speed. According to the invention, the torque output from the electric screwdriver body to the screwdriver head clamp can be increased only by pressing the electric screwdriver body when the screw is unscrewed, so that other excessive operations cannot be performed, and the electric screwdriver is more convenient and faster in the actual process.
Description
Technical Field
The invention relates to the technical field of electric screwdrivers, in particular to a torque adjusting method of an electric screwdriver.
Background
The screwdriver carries out the screw and revolves the supporting equipment who revolves soon fixedly, connects in many places and need use the screw, and the effect of screw fixation is comparatively excellent, need use the screwdriver to operate when carrying out the screw fixation, and nowadays, the kind of screwdriver is more and more, and is more complete in function, and along with the continuous development of science and technology, people also are more and more high to the manufacturing process requirement of screwdriver.
The existing screwdriver has certain disadvantages when in use, can not actively adjust the torque when in use, can not well adapt to screws of more models, reduces the use efficiency, is not beneficial to the use of people, and brings certain adverse effects to the use process of people.
Therefore, we propose an electric screwdriver torque adjustment method to solve the above problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a torque adjusting method for an electric screwdriver.
In order to achieve the purpose, the invention adopts the following technical scheme: the electric screwdriver comprises an electric screwdriver body and a switch, wherein the electric screwdriver body is connected with a torque increasing mechanism, the torque increasing mechanism comprises a screwdriver head seat, a secondary torque increasing assembly, a clutch assembly and a primary torque increasing assembly, and the adjusting method specifically comprises the following steps:
s1, a batch head clamp is connected to the batch head seat, the batch head clamp is fixed on the batch head seat, and the batch head clamp and the screw are connected together;
s2, primary torque increasing: the first-stage torque increasing assembly synchronously rotates along with the electric screwdriver body, the clutch assembly is in a linkage state at the moment, the second-stage torque increasing assembly and the first-stage torque increasing assembly keep the same rotating speed, the first-stage torque increasing assembly is pressed through the electric screwdriver body, and along with the form change of the first-stage torque increasing assembly, the torque output by the electric screwdriver body is larger than the torque output by the second-stage torque increasing assembly to the screwdriver head seat;
s3, secondary torque increasing: the first-stage torque increasing assembly is pressed through the electric screwdriver body again, so that the clutch assembly is in a separated state, the rotating speed of the first-stage torque increasing assembly is lower than that of the second-stage torque increasing assembly, and the torque output by the first-stage torque increasing assembly can be increased by reducing the rotating speed of the second-stage torque increasing assembly under the condition that the torque output by the first-stage torque increasing assembly is unchanged;
and S4, according to the actual use condition, the torque output by the screwdriver head seat can be increased under the condition that the torque of the electric screwdriver body is not changed by a primary torque increasing method and a secondary torque increasing method.
Preferably, the torque-increasing mechanism further comprises an installation cylinder, the second-stage torque-increasing assembly, the clutch assembly and the first-stage torque-increasing assembly are all located in the installation cylinder and are rotationally connected with the installation cylinder, and the screwdriver head seat penetrates through the installation cylinder and is rotationally connected with the installation cylinder.
Preferably, the second grade increases turns round subassembly and includes the ring gear one that links together with the rotation of installation section of thick bamboo inner wall, the top fixed mounting of ring gear one has the planet carrier, the bottom of planet carrier is rotated and is installed three planet wheel that are circular distribution, and three planet wheel all is in the same place with the planet wheel meshing, the top fixed mounting of planet carrier has the connecting rod, the top and the batch head seat fixed connection of connecting rod are in the same place.
Preferably, the clutch assembly comprises a second inner gear ring which is rotationally connected with the inner wall of the installation barrel, a first gear is meshed with the second inner gear ring, a cylinder is fixedly installed at the top of the first gear ring, a sun gear is fixedly installed at the top end of the cylinder, six guide rods which are circularly distributed are slidably installed on the second inner gear ring, the six guide rods all penetrate through the second inner gear ring, and the top ends of the six guide rods are fixedly connected with the first inner gear ring.
Preferably, the one-level increases turns round the subassembly and includes the annular piece, the bottom of annular piece and the output shaft fixed connection of electronic screwdriver body are in the same place, the top slidable mounting of annular piece has six articulated rods that are circular distribution, and the top of six articulated rods articulates there is same ring gear three, slidable mounting has the tooth post in the ring gear three, the top and a gear fixed connection of tooth post are in the same place.
Preferably, the bottom end of the guide rod extends to the two sides of the inner gear ring and is fixedly provided with a baffle, a first spring is fixedly arranged between the baffle and the second inner gear ring, the first spring is sleeved on the guide rod in a sliding mode, a limiting cylinder is fixedly sleeved on the guide rod, and the top end of the limiting cylinder is fixedly connected with the first inner gear ring.
Preferably, six spout one that are circular distribution are seted up at the top of annular piece, spout two have all been seted up on the both sides inner wall of spout one, and slidable mounting has same round bar in two spouts, and the bottom of six hinge bars is in the same place with the round bar rotation that corresponds respectively, equal fixed mounting has spring two on the both sides inner wall of round bar, and the one end that two springs two are close to each other is all in the same place with round bar fixed connection.
Preferably, fixed mounting has a gag lever post in the tooth post, the gag lever post extends to the cylinder and is in the same place with cylinder fixed connection, the bottom fixed mounting of gag lever post has stabilizer wheel, stabilizer wheel and the inner wall of annular piece rotate to link together.
Preferably, the bottom of the ring gear III and the ring gear II are butted together, and the inner diameter of the ring gear III is larger than that of the ring gear II.
Preferably, the installation cylinder is internally rotatably sleeved with a cylinder, and the secondary torque-increasing assembly, the clutch assembly and the primary torque-increasing assembly are fixedly connected with the inner wall of the cylinder.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the primary torque increasing assembly synchronously rotates along with the electric screwdriver body, the clutch assembly is in a linkage state at the moment, so that the secondary torque increasing assembly and the primary torque increasing assembly keep the same rotating speed, the primary torque increasing assembly is pressed by the electric screwdriver body, and along with the form change of the primary torque increasing assembly, the torque output by the electric screwdriver body is larger than the torque output by the secondary torque increasing assembly to the screwdriver head seat, so that the primary torque increasing effect is achieved, and the screw is smoothly screwed;
2. under the condition of first-stage torque increase, the first-stage torque increase assembly is pressed again through the electric screwdriver body, so that the clutch assembly is in a separation state, the rotating speed of the first-stage torque increase assembly is lower than that of the second-stage torque increase assembly, and under the condition that the torque output by the first-stage torque increase assembly is not changed, the torque output by the first-stage torque increase assembly can be increased by reducing the rotating speed of the second-stage torque increase assembly; therefore, the purpose of secondary torque increase is achieved, and the screw is more smooth when being screwed by matching with the primary torque increase.
3. According to the invention, the torque output from the electric screwdriver body to the screwdriver head clamp can be increased only by pressing the electric screwdriver body when the screw is unscrewed, so that other excessive operations cannot be performed, and the electric screwdriver is more convenient and faster in the actual process.
Drawings
Fig. 1 is a schematic structural diagram of an electric screwdriver body, a switch, a torque increasing mechanism and a screwdriver bit clamp according to the torque adjusting method for an electric screwdriver provided by the present invention;
FIG. 2 is an exploded view of a torque increasing mechanism in the torque adjusting method for an electric screwdriver according to the present invention;
FIG. 3 is a schematic diagram of an overall structure of a two-stage torque increasing assembly in the method for adjusting torque of an electric screwdriver according to the present invention;
FIG. 4 is a schematic diagram illustrating an overall structure of a clutch assembly in the method for adjusting torque of an electric screwdriver according to the present invention;
FIG. 5 is a schematic view of an overall structure of a first-stage torque increasing assembly in the method for adjusting torque of an electric screwdriver according to the present invention;
fig. 6 is a side cross-sectional view of a ring block in the method for adjusting torque of an electric screwdriver according to the present invention.
In the figure: 1. an electric screwdriver body; 2. a switch; 3. a torque increasing mechanism; 31. mounting the cylinder; 32. a screwdriver seat; 33. a secondary torque increasing component; 331. a first inner gear ring; 332. a planet carrier; 333. a planet wheel; 334. a connecting rod; 34. a clutch assembly; 341. a second inner gear ring; 342. a first gear; 343. a cylinder; 344. a sun gear; 345. a guide bar; 346. a baffle plate; 347. a first spring; 348. a limiting cylinder; 35. a first-stage torque increasing component; 351. a ring block; 352. a stabilizing wheel; 353. a limiting rod; 354. a tooth post; 355. a third inner gear ring; 356. a first sliding chute; 357. a round bar; 358. a hinged lever; 359. a second chute; 3510. a second spring; 4. and (4) a batch head clamp.
Detailed description of the invention
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.
Examples
Referring to fig. 1 to 6, in the present embodiment, a method for adjusting torque of an electric screwdriver is provided, where the electric screwdriver includes an electric screwdriver body 1 and a switch 2, the electric screwdriver body 1 is connected with a torque increasing mechanism 3, the torque increasing mechanism 3 includes a screwdriver seat 32, a secondary torque increasing assembly 33, a clutch assembly 34, and a primary torque increasing assembly 35, and the method includes the following specific steps:
s1, connecting a batch head clamp 4 on the batch head seat 32, fixing the batch head clamp 4 on the batch head seat 32, and connecting the batch head clamp 4 with a screw;
s2, primary torque increasing: the first-stage torque increasing assembly 35 synchronously rotates along with the electric screwdriver body 1, the clutch assembly 34 is in a linkage state at the moment, the second-stage torque increasing assembly 33 and the first-stage torque increasing assembly 35 keep the same rotating speed, the first-stage torque increasing assembly 35 is pressed through the electric screwdriver body 1, and along with the form change of the first-stage torque increasing assembly 35, the torque output by the electric screwdriver body 1 is larger than the torque output by the second-stage torque increasing assembly 33 to the screwdriver head seat 32;
s3, secondary torque increasing: the first-stage torque increasing assembly 35 is pressed through the electric screwdriver body 1 again, so that the clutch assembly 34 is in a separated state, the rotating speed of the first-stage torque increasing assembly 35 is smaller than that of the second-stage torque increasing assembly 33, and under the condition that the torque output by the first-stage torque increasing assembly 35 is not changed, the torque output by the first-stage torque increasing assembly 35 can be increased by reducing the rotating speed of the second-stage torque increasing assembly 33;
and S4, according to the actual use condition, the torque output by the screwdriver head seat 32 can be increased under the condition that the torque of the electric screwdriver body 1 is not changed by the primary torque increasing method and the secondary torque increasing method.
The torque increasing mechanism 3 further comprises an installation barrel 31, the second-stage torque increasing assembly 33, the clutch assembly 34 and the first-stage torque increasing assembly 35 are all located in the installation barrel 31 and are connected with the installation barrel 31 in a rotating mode, and the screwdriver head seat 32 penetrates through the installation barrel 31 and is connected with the installation barrel 31 in a rotating mode.
The secondary torque increasing assembly 33 comprises a first inner gear ring 331 rotationally connected with the inner wall of the mounting barrel 31, a planet carrier 332 is fixedly mounted at the top of the first inner gear ring 331, three planet wheels 333 which are distributed in a circular shape are rotationally mounted at the bottom of the planet carrier 332, the three planet wheels 333 are all meshed with the planet wheels 333, a connecting rod 334 is fixedly mounted at the top of the planet carrier 332, and the top of the connecting rod 334 is fixedly connected with the bit holder 32.
The clutch component 34 comprises a second inner gear ring 341 rotatably connected with the inner wall of the mounting barrel 31, a first gear 342 is engaged with the second inner gear ring 341, a cylinder 343 is fixedly mounted at the top of the first gear 342, a sun gear 344 is fixedly mounted at the top end of the cylinder 343, six guide rods 345 which are distributed in a circular shape are slidably mounted on the second inner gear ring 341, the six guide rods 345 penetrate through the second inner gear ring 341, and the top ends of the six guide rods 345 are fixedly connected with the first inner gear ring 331.
The first-stage torque increasing assembly 35 comprises an annular block 351, the bottom of the annular block 351 is fixedly connected with an output shaft of the electric screwdriver body 1, six hinged rods 358 which are distributed in a circular shape are slidably mounted at the top of the annular block 351, the top ends of the six hinged rods 358 are hinged with a same inner gear ring III 355, gear columns 354 are slidably mounted in the inner gear ring III 355, and the top ends of the gear columns 354 are fixedly connected with a first gear 342.
The bottom end of the guide rod 345 extends out of the second inner gear ring 341 and is fixedly provided with a baffle 346, a first spring 347 is fixedly arranged between the baffle 346 and the second inner gear ring 341, the first spring 347 is sleeved on the guide rod 345 in a sliding manner, a limiting cylinder 348 is fixedly sleeved on the guide rod 345, and the top end of the limiting cylinder 348 is fixedly connected with the first inner gear ring 331.
Six spout 356 that are circular distribution are seted up at annular piece 351's top, have all seted up two spout 359 on the both sides inner wall of spout 356, and slidable mounting has same round bar 357 in two spout 359, and the bottom of six articulated poles 358 rotates with the round bar 357 who corresponds respectively and links together, and equal fixed mounting has two springs 3510 on round bar 357's the both sides inner wall, and the one end that two springs 3510 are close to each other all links together with round bar 357 fixed connection.
A limiting rod 353 is fixedly installed in the tooth column 354, the limiting rod 353 extends to the cylinder 343 and is fixedly connected with the cylinder 343, a stabilizing wheel 352 is fixedly installed at the bottom end of the limiting rod 353, and the stabilizing wheel 352 is rotatably connected with the inner wall of the annular block 351.
Specifically, shaking can be prevented from occurring when the annular block 351 rotates by arranging the tooth column 354 and the limiting rod 353, and the annular block 351 can be more smoothly and stably rotated.
The bottom of ring gear three 355 and ring gear two 341 are butted together, and the inner diameter of ring gear three 355 is larger than that of ring gear two 341.
Specifically, when ring block 351 and ring gear two 341 are close to each other, ring gear three 355 pushes six hinge rods 358 to be unfolded simultaneously.
The mounting cylinder 31 is internally rotatably sleeved with a cylinder, and the secondary torque-increasing assembly 33, the clutch assembly 34 and the primary torque-increasing assembly 35 are fixedly connected with the inner wall of the cylinder.
Specifically, through setting up the drum, not only can increase the torsion subassembly 33 to the second grade, clutch module 34 and one-level increase the torsion subassembly 35 and carry on spacingly, can reduce its and the installation section of thick bamboo 31 inner wall between the friction simultaneously.
In the embodiment, under the condition of primary torque increase, the annular block 351 is pressed by the electric screwdriver body 1, the annular block 351 is close to the second inner gear ring 341, in the process, due to the blocking of the second inner gear ring 341, the annular block 351 is close to the third inner gear ring 355, so that the six hinged rods 358 are pushed to rotate around the third inner gear ring 355, meanwhile, the bottom ends of the six hinged rods 358 are far away from each other, then the six hinged rods 358 rotate synchronously with the annular block 351 and drive the toothed columns 354 on the third inner gear ring 355 to rotate, the toothed columns 354 drive the first gear 342 to rotate the first gear 342, then the second torque increase assembly 33 is driven to rotate by the second inner gear ring 341 and the six guide rods 345, the second torque increase assembly 33 drives the bit clamp 4 on the screwdriver head seat 32 to rotate, in the process, the radius of the circle formed at the bottom ends of the six hinged rods 358 is larger, so that more labor is saved when the third inner gear ring 355 is driven to rotate, therefore, under the condition that the output rotating speed and the output torque of the electric screwdriver body 1 are not changed, the output torque can be correspondingly improved under the condition that the screwdriver seat 32 is ensured to rotate unchanged.
In this embodiment, under the condition of secondary torque increase, the primary torque increase assembly 35 is continuously pressed by the electric screwdriver body 1, in this process, the first gear column 354 separates the first dragging gear 342 from the second internal gear 341, meanwhile, the first gear 342 pushes the sun gear 344 to move between the three planet gears 333 and to be engaged with the three planet gears 333, when the primary torque increase assembly 35 and the clutch assembly 34 rotate along with the electric screwdriver body 1, the sun gear 344 drives the first internal gear 331 to rotate through the three planet gears 333, under the condition that the electric screwdriver body 1 outputs the constant rotation to the primary torque increase assembly 35 and the clutch assembly 34, the rotation speed of the first internal gear 331 and the rotation speed of the electric screwdriver body 1 are decreased by multiples, so as to achieve the purpose of increasing the torque of the first internal gear 331, and then the torque of the screwdriver head base 32 is driven by the connecting rod 334 on the planet carrier 332 to rotate is increased by multiples with the torque output by the electric screwdriver body 1, therefore, the torque increasing mechanism 3 is more convenient to drive the screwdriver head clamp 4 to screw the screw, and when the electric screwdriver body 1 is used up, the clutch component 34 and the first-stage torque increasing component 35 are restored to the initial state again under the action of the first springs 347 and the second springs 3510.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The electric screwdriver torque adjusting method is characterized by comprising an electric screwdriver body (1) and a switch (2), wherein a torque increasing mechanism (3) is connected to the electric screwdriver body (1), the torque increasing mechanism (3) comprises a screwdriver head seat (32), a secondary torque increasing assembly (33), a clutch assembly (34) and a primary torque increasing assembly (35), and the adjusting method specifically comprises the following steps:
s1, the batch head seat (32) is connected with a batch head clamp (4), the batch head clamp (4) is fixed on the batch head seat (32), and the batch head clamp (4) is connected with a screw;
s2, primary torque increasing: the first-stage torque increasing assembly (35) synchronously rotates along with the electric screwdriver body (1), the clutch assembly (34) is in a linkage state at the moment, the second-stage torque increasing assembly (33) and the first-stage torque increasing assembly (35) keep the same rotating speed, the first-stage torque increasing assembly (35) is pressed through the electric screwdriver body (1), and along with the form change of the first-stage torque increasing assembly (35), the torque output by the electric screwdriver body (1) is larger than the torque output by the second-stage torque increasing assembly (33) to the screwdriver head seat (32);
s3, secondary torque increasing: the first-stage torque increasing assembly (35) is pressed through the electric screwdriver body (1) again, the clutch assembly (34) is in a separation state, the rotating speed of the first-stage torque increasing assembly (35) is smaller than that of the second-stage torque increasing assembly (33), and the torque output by the first-stage torque increasing assembly (35) can be increased by reducing the rotating speed of the second-stage torque increasing assembly (33) under the condition that the torque output by the first-stage torque increasing assembly (35) is not changed;
and S4, according to the actual use condition, the torque output by the screwdriver head seat (32) can be increased under the condition that the torque of the electric screwdriver body (1) is not changed by a primary torque increasing method and a secondary torque increasing method.
2. The method for adjusting the torque of the electric screwdriver according to claim 1, wherein the torque increasing mechanism (3) further comprises a mounting cylinder (31), the secondary torque increasing assembly (33), the clutch assembly (34) and the primary torque increasing assembly (35) are all located in the mounting cylinder (31) and are rotationally connected with the mounting cylinder (31), and the screwdriver head seat (32) penetrates through the mounting cylinder (31) and is rotationally connected with the mounting cylinder (31).
3. The electric screwdriver torque adjusting method as claimed in claim 2, wherein the secondary torque increasing assembly (33) comprises a first inner gear ring (331) rotatably connected with the inner wall of the mounting cylinder (31), a planet carrier (332) is fixedly mounted at the top of the first inner gear ring (331), three planet wheels (333) in circular distribution are rotatably mounted at the bottom of the planet carrier (332), the three planet wheels (333) are all meshed with the planet wheels (333), a connecting rod (334) is fixedly mounted at the top of the planet carrier (332), and the top of the connecting rod (334) is fixedly connected with the screwdriver seat (32).
4. The method for adjusting the torque of the electric screwdriver according to claim 1, wherein the clutch assembly (34) comprises a second inner gear ring (341) rotatably connected with the inner wall of the mounting cylinder (31), a first gear (342) is engaged in the second inner gear ring (341), a cylinder (343) is fixedly mounted at the top of the first gear (342), a sun gear (344) is fixedly mounted at the top end of the cylinder (343), six guide rods (345) distributed in a circular shape are slidably mounted on the second inner gear ring (341), the six guide rods (345) all penetrate through the second inner gear ring (341), and the top ends of the six guide rods (345) are all fixedly connected with the first inner gear ring (331).
5. The method for adjusting the torque of the electric screwdriver according to claim 4, wherein the primary torque increasing assembly (35) comprises an annular block (351), the bottom of the annular block (351) is fixedly connected with the output shaft of the electric screwdriver body (1), six hinge rods (358) distributed in a circular shape are slidably mounted at the top of the annular block (351), the top ends of the six hinge rods (358) are hinged with a same inner gear ring III (355), a tooth column (354) is slidably mounted in the inner gear ring III (355), and the top ends of the tooth columns (354) are fixedly connected with a gear I (342).
6. The method for adjusting the torque of the electric screwdriver according to claim 4, wherein the bottom end of the guide rod (345) extends out of the inner gear ring II (341) and is fixedly provided with a baffle (346), a same spring I (347) is fixedly arranged between the baffle (346) and the inner gear ring II (341), the spring I (347) is slidably sleeved on the guide rod (345), a limiting cylinder (348) is fixedly sleeved on the guide rod (345), and the top end of the limiting cylinder (348) is fixedly connected with the inner gear ring I (331).
7. The method for adjusting the torque of the electric screwdriver according to claim 5, wherein six first sliding grooves (356) are formed in the top of the annular block (351) and distributed in a circular shape, two sliding grooves (359) are formed in the inner walls of the two sides of the first sliding groove (356), the same round rod (357) is installed in the two sliding grooves (359) in a sliding mode, the bottom ends of the six hinged rods (358) are respectively connected with the corresponding round rods (357) in a rotating mode, two springs (3510) are fixedly installed on the inner walls of the two sides of the round rod (357), and one ends, close to each other, of the two springs (3510) are fixedly connected with the round rod (357).
8. The method for adjusting the torque of the electric screwdriver according to claim 5, wherein a limiting rod (353) is fixedly installed in the tooth column (354), the limiting rod (353) extends to the cylinder (343) and is fixedly connected with the cylinder (343), a stabilizing wheel (352) is fixedly installed at the bottom end of the limiting rod (353), and the stabilizing wheel (352) is rotatably connected with the inner wall of the annular block (351).
9. The electric screwdriver torque adjusting method as recited in claim 5, wherein the bottom of ring gear three (355) and ring gear two (341) are butted together, and the inner diameter of ring gear three (355) is larger than that of ring gear two (341).
10. The method for adjusting the torque of the electric screwdriver according to claim 2, wherein a cylinder is sleeved in the mounting cylinder (31) in a rotating manner, and the secondary torque increasing assembly (33), the clutch assembly (34) and the primary torque increasing assembly (35) are fixedly connected with the inner wall of the cylinder.
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| CN202111206621.1A CN114029890A (en) | 2021-10-17 | 2021-10-17 | Electric screwdriver torque adjusting method |
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Application publication date: 20220211 |