Inertia ratchet screwdriver
By designing an inertial ratchet screwdriver, combined with a brushless motor and ratchet mechanism, both electric and manual operation modes are achieved, solving the problem of electric screwdrivers being unable to be used manually after the battery runs out, thus improving the flexibility and efficiency of use.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-16
- Publication Date
- 2026-04-10
AI Technical Summary
Existing electric screwdrivers cannot be used manually after the battery is depleted, resulting in reduced effectiveness.
Design an inertial ratchet screwdriver that combines a brushless motor and a ratchet mechanism. The screwdriver bit can be rotated by the motor or manually. The rotation direction of the connecting sleeve is limited by the ratchet push plate and the fixed rotating shaft, realizing both electric and manual operation modes.
The screwdriver can still be used manually when the battery is depleted, which improves the flexibility and usability of the device.
Smart Images
Figure CN224102840U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to screwdriver technical field especially relates to a inertia ratchet screwdriver. BACKGROUND
[0002] Screwdriver is a commonly used tool, usually used for tightening or loosening screw, and using electric screwdriver can tighten or loosen screw more quickly and easily, compared with manual screwdriver, electric screwdriver can greatly improve work efficiency, especially in the case of needing to handle a large number of screws, screwdriver is widely used in household maintenance, furniture assembly, electronic product installation and so on, can significantly improve work efficiency and reduce hand fatigue.
[0003] But many electric screwdrivers of prior art need to be charged in actual use, using under the condition of sufficient power is very convenient, but when the power is consumed, it cannot be used, and the internal motor output end cannot be limited, so that it cannot be used manually through the electric screwdriver, thereby the use effect of the device is reduced, so the above problems need to be solved. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving the shortcomings in the prior art and provides an inertia ratchet screwdriver.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] An inertia ratchet screwdriver, including handle, the handle one end is fixedly connected with the shell, the shell bottom surface is rotatably connected with the steering sleeve, the handle cover surface is equipped with the rotation mechanism of rotating steering sleeve, the shell inside is installed with brushless motor, the brushless motor output end is fixedly connected with the connecting sleeve, the connecting sleeve outer surface is sleeved with first ratchet wheel and second ratchet wheel, the first ratchet wheel and second ratchet wheel surface direction are opposite, the handle inside is equipped with the limiting mechanism of limiting the rotation of connecting sleeve, through the setting of two fixed shafts and two first ratchet wheel pushers, the rotation of connecting sleeve can be limited in the use process by limiting the rotation of connecting sleeve, the rotation of connecting sleeve and screwdriver bit can be driven by brushless motor and used, and the rotation of connecting sleeve can be limited, and the device can be used manually.
[0007] Preferably, the rotating mechanism comprises two connecting rings, both of which are fixedly connected to one end of the shell, and both of which are provided with a connecting port, the rotating sleeve is rotatably sleeved on the outer surface of the two connecting rings, the outer surface of the rotating sleeve is provided with an anti-skid groove, the first and second ratchets are rotatably connected between the two connecting rings, the surface of the handle cover is provided with a through hole in the center, the connecting sleeve is inserted into the through hole, and the screwdriver bit is mounted in the connecting sleeve.
[0008] Further, the limiting mechanism comprises first and second ratchet push pieces, the inner wall of the rotating sleeve is provided with two first grooves and two second grooves, both of which are symmetrically arranged on both sides, each first and second groove corresponds to each connecting port, and the surface of the handle cover is rotatably connected with two fixed shafts, the bottom ends of the two fixed shafts are rotatably sleeved in the handle cover, the two fixed shafts are arranged between each first and second groove, respectively, and the other ends of the two fixed shafts are rotatably sleeved in the shell, so that each fixed shaft and each first and second ratchet push piece can be rotated when the rotating sleeve is rotated.
[0009] Preferably, the two first and second grooves are sleeved on the surfaces of the two fixed shafts, and each first and second ratchet push piece is arranged in a staggered manner, one end of each first and second ratchet push piece is matched with each first and second groove, respectively, and each first and second ratchet push piece is arranged in each connecting port, respectively, and the rotating sleeve is fixedly connected with two magnetic columns, each magnetic column is arranged between each first and second groove, respectively, each magnetic column is matched with each first and second ratchet push piece, respectively, and the two first ratchet push pieces are matched with the second ratchet, and the two second ratchet push pieces are matched with the first ratchet, so that the two first and second ratchet push pieces can be better fitted in the two first and second grooves through the arrangement of the two magnetic columns.
[0010] The utility model discloses the beneficial effects are:
[0011] 1. During use, the connecting sleeve can be rotated by controlling the driving brushless motor, and then the screwdriver bit mounted in the connecting sleeve is rotated, so that the device can be used.
[0012] 2. The rotation direction of the connecting sleeve can be limited by the first ratchet push piece and the second ratchet push piece during use, and then the screwdriver bit is manually rotated, so that the use effect of the device is improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 A front view of the inertial ratchet screwdriver is provided for the utility model;
[0014] Figure 2 An exploded structural schematic view of the inertial ratchet screwdriver is provided for the utility model;
[0015] Figure 3 A handle cover and a rotation sleeve surface structure schematic view of the inertial ratchet screwdriver is provided for the utility model;
[0016] Figure 4 A limiting mechanism schematic view of the inertial ratchet screwdriver is provided for the utility model;
[0017] Figure 5 A partial structural schematic view of the inertial ratchet screwdriver is provided for the utility model.
[0018] In the figure: 1, handle; 11, shell; 12, connecting ring; 13, connecting port; 2, handle cover; 21, perforation; 3, rotation sleeve; 31, first recess; 32, second recess; 33, fixed shaft; 34, first ratchet push piece; 35, second ratchet push piece; 36, magnetic column; 4, screwdriver bit; 5, brushless motor; 51, shaft sleeve; 52, connecting sleeve; 53, first ratchet; 54, second ratchet. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0020] REFERENCE Figures 1-5The utility model discloses an inertial ratchet screwdriver, including handle 1, one end fixed connection has shell 11 of handle 1, the bottom surface rotatory connection has steering sleeve 3 of shell 11, the surface of handle cover 2 is equipped with the rotation mechanism of rotation steering sleeve 3, the inside installation of shell 11 has brushless motor 5, the output fixed connection has connecting sleeve 52 of brushless motor 5, the outer surface of connecting sleeve 52 is connected with first ratchet 53 and second ratchet 54, the surface direction of first ratchet 53 and second ratchet 54 is opposite, the inside of handle 1 is equipped with the restriction mechanism of the restriction of connecting sleeve 52 rotation, through the setting of two fixed rotation shafts 33 and two first ratchet push piece 34, can limit second ratchet 54 and first ratchet 53 respectively, can limit the rotation of connecting sleeve 52 in the use process, can use through brushless motor 5 drive connecting sleeve 52 and screwdriver bit 4 rotation, also can use through the rotation of limiting connecting sleeve 52, through manual mode.
[0021] In the utility model, the rotation mechanism includes connecting ring 12, two connecting rings 12 are equipped, and the two connecting rings 12 are fixedly connected to one end of the shell 11, connecting ports 13 are arranged between the two connecting rings 12, the steering sleeve 3 is rotatably arranged on the outer surfaces of the two connecting rings 12, the steering sleeve 3 is provided with anti-skid grooves on the outer surface, the first ratchet 53 and the second ratchet 54 are rotatably connected between the two connecting rings 12, the handle cover 2 is provided with a through hole 21 at the center of the surface, the connecting sleeve 52 is inserted into the through hole 21, and the screwdriver bit 4 is mounted in the connecting sleeve 52, so that the steering sleeve 3 is rotatable on the surfaces of the two connecting rings 12, and the screwdriver bit 4 is conveniently mounted.
[0022] In the utility model, the restriction mechanism includes the first ratchet push piece 34 and the second ratchet push piece 35, the inner wall of the steering sleeve 3 is provided with two first grooves 31 and two second grooves 32, the two first grooves 31 and the two second grooves 32 are symmetrically arranged on the two sides, each first groove 31 and second groove 32 correspond to each connecting port 13, the handle cover 2 is rotatably provided with two fixed rotation shafts 33, the bottom ends of the two fixed rotation shafts 33 are rotatably arranged in the handle cover 2, the two fixed rotation shafts 33 are arranged between each first groove 31 and second groove 32, the two fixed rotation shafts 33 are arranged in the two connecting rings 12, and the other ends of the two fixed rotation shafts 33 are rotatably arranged in the shell 11, so that each fixed rotation shaft 33 and each first ratchet push piece 34 and each second ratchet push piece 35 are rotatable when the steering sleeve 3 rotates.
[0023] The utility model discloses, two first recesses 31 and two second recesses 32 are respectively sleeved in two fixed rotation shaft 33 surface, and every first ratchet piece 34 and second ratchet piece 35 are mutually staggered and set, and one end of two first ratchet piece 34 and two second ratchet piece 35 are respectively matched with two first recesses 31 and two second recesses 32, and every first ratchet piece 34 and second ratchet piece 35 are set in every connecting mouth 13 inside, and two magnetic columns 36 are fixedly connected in the inside of steering cover 3, and every magnetic column 36 is set between every first recess 31 and second recess 32, and every magnetic column 36 is mutually matched with every first ratchet piece 34 and second ratchet piece 35, and two first ratchet piece 34 are matched with second ratchet wheel 54, and two second ratchet piece 35 are matched with first ratchet wheel 53, for through the setting of two magnetic columns 36, can make two first ratchet piece 34 and two second ratchet piece 35 better adhere in two first recesses 31 and two second recesses 32 inside.
[0024] Working principle: in actual use, through the setting of two fixed rotation shaft 33 and two first ratchet piece 34, can limit second ratchet wheel 54 and first ratchet wheel 53 respectively, can limit the rotation of connecting sleeve 52 in the use process, can rotate and use through brushless motor 5 drive connecting sleeve 52 and screwdriver bit 4, also can rotate and use through manual mode through limiting connecting sleeve 52, when using, can rotate steering cover 3, the steering cover 3 here can reverse, through the angle setting between fixed rotation shaft 33 and first ratchet piece 34, will limit the rotation angle of steering cover 3, when the positive and negative rotation of steering cover 3, can make fixed rotation shaft 33 or first ratchet piece 34 slide to second recess 32 or first recess 31 inside respectively, when two fixed rotation shaft 33 slide to two second recess 32 inside respectively, at this moment, two second recess 32 will cooperate with first ratchet wheel 53, will limit the rotation direction of connecting sleeve 52, when two first ratchet piece 34 rotate to two first recess 31 inside, will limit the rotation of connecting sleeve 52 to another direction, then in the use process, through the control 5 drive brushless motor 5 drive connecting sleeve 52 to rotate, can rotate and use through the screwdriver bit 4 installed in connecting sleeve 52, or limit the rotation direction of connecting sleeve 52 through first ratchet piece 34 and second ratchet piece 35, then manually rotate screwdriver bit 4, thereby can improve the use effect of the device.
[0025] The above, only for the preferable specific implementation mode of the utility model, but the protection scope of the utility model is not limited to this, any familiar with the technical field of the technical person in the utility model disclosed technical range, according to the utility model technical scheme and the utility model concept of the utility model, equivalent replacement or change, all should be covered in the protection scope of the utility model.
Claims
1. An inertial ratchet screwdriver comprising a handle (1), characterized in that, The handle (1) one end is fixedly connected with the shell (11), the shell (11) bottom surface is rotatably connected with the steering sleeve (3), the handle cover (2) surface is equipped with the rotation mechanism of rotating steering sleeve (3), the shell (11) inside is installed with brushless motor (5), the brushless motor (5) output end is fixedly connected with the connecting sleeve (52), the connecting sleeve (52) outer surface is sleeved with first ratchet (53) and second ratchet (54), the first ratchet (53) and second ratchet (54) surface direction is opposite, the handle (1) inside is equipped with the limiting mechanism of limiting the rotation of connecting sleeve (52).
2. The inertial ratchet screwdriver according to claim 1, characterized in that The rotation mechanism includes connecting rings (12), two connecting rings (12) are fixedly connected to one end of the shell (11), and connecting ports (13) are arranged between the two connecting rings (12). The steering sleeve (3) is rotatably sleeved on the outer surfaces of the two connecting rings (12).
3. The inertial ratchet screwdriver according to claim 2, characterized in that The steering sleeve (3) is provided with anti-skid grooves on the outer surface, the first ratchet (53) and the second ratchet (54) are rotatably connected between the two connecting rings (12), the handle cover (2) is provided with a through hole (21) at the center of the surface, the connecting sleeve (52) is inserted into the through hole (21), and a screwdriver bit (4) is fitted and installed in the connecting sleeve (52).
4. The inertial ratchet screwdriver according to claim 3, characterized in that The limiting mechanism includes first ratchet push pieces (34) and second ratchet push pieces (35), the inner wall of the steering sleeve (3) is provided with two first grooves (31) and two second grooves (32), the two first grooves (31) and the two second grooves (32) are symmetrically arranged on both sides of each other, each first groove (31) and second groove (32) corresponds to each connecting port (13), the handle cover (2) is rotatably connected with two fixed shafts (33), the bottom ends of the two fixed shafts (33) are rotatably sleeved in the handle cover (2), the two fixed shafts (33) are respectively arranged between each first groove (31) and second groove (32), the two fixed shafts (33) are respectively arranged in the two connecting rings (12), and the other ends of the two fixed shafts (33) are rotatably sleeved in the shell (11).
5. The inertial ratchet screwdriver according to claim 4, characterized in that The two first grooves (31) and the two second grooves (32) are sleeved on the surfaces of the two fixed shafts (33), each first ratchet push piece (34) and second ratchet push piece (35) are arranged alternately, one end of each first ratchet push piece (34) and second ratchet push piece (35) is matched with each first groove (31) and second groove (32), and each first ratchet push piece (34) and second ratchet push piece (35) is arranged in each connecting port (13).
6. The inertial ratchet screwdriver according to claim 5, characterized in that The steering sleeve (3) is internally fixedly connected with two magnetic columns (36), each of which is arranged between each first groove (31) and second groove (32), and each of which is matched with each first ratchet push piece (34) and second ratchet push piece (35), and the two first ratchet push pieces (34) are matched with the second ratchet (54), and the two second ratchet push pieces (35) are matched with the first ratchet (53).