Electric screwdriver grounding device
By designing the adjustment mechanism and guide groove, the problem of adapting the electric screwdriver grounding device to different specifications of electric screwdriver bodies has been solved, thereby improving stability and flexibility, enhancing the adaptability and transmission efficiency of the electric screwdriver, and improving operational safety and lifespan.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2026-04-10
AI Technical Summary
The existing electric screwdriver grounding device has a fixed shell size, which makes it difficult to adapt to different specifications of electric screwdriver bodies, resulting in poor grounding effect and inconvenience in replacement or carrying.
An electric screwdriver grounding device with an adjustment mechanism was designed. Through the cooperation of elastic buckles and guide grooves, the housing can be flexibly adjusted and precisely positioned. Combined with the stable transmission of elastic teeth and rollers, the adaptability and stability of the device are enhanced. It is also equipped with a grounding clamp and a dust cover to improve the service life and operational safety of the electric screwdriver.
This technology improves the stability and flexibility of the electric screwdriver grounding device, adapts to different specifications of electric screwdriver bodies, reduces transmission slippage, extends service life, and improves operational safety and efficiency.
Smart Images
Figure CN224110491U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electronic manufacturing assembly technical field, concretely is a kind of electric screwdriver grounding device. BACKGROUND
[0002] In the field of electronic assembly, the core function of electric screwdriver is to assemble screw efficiently and accurately, and make screw play reliable fastening effect through tightening operation, especially in the fastening station involving high-value or precision components such as power module and control circuit, accurate torque control and operation stability of electric screwdriver play a crucial role in protecting equipment performance and preventing component damage.
[0003] The size of the shell of the existing electric screwdriver grounding device is often fixed, which is difficult to adapt to electric screwdriver bodies of different specifications. For some special size or need to switch between different electric screwdrivers, the grounding device needs to be customized separately for different models of electric screwdrivers, which is extremely difficult to carry or replace, and the shell of the electric screwdriver grounding device may not match the electric screwdriver body, thereby affecting the grounding effect.
[0004] Therefore, the technical personnel in the art provide an electric screwdriver grounding device to solve the problems raised in the background. SUMMARY
[0005] The utility model aims at providing an electric screwdriver grounding device to solve the problems raised in the background.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] An electric screwdriver grounding device includes an electric screwdriver body, a shell is sleeved outside the electric screwdriver body, a notch is formed on one side of the shell, an elastic washer is sleeved inside the shell, an adjusting mechanism is arranged on the surface of the notch, the adjusting mechanism includes a limiting hole, the limiting hole is formed on the surface of the notch, two sliding grooves are formed on the inside of the limiting hole, an installation block is slidably connected inside the sliding grooves, an elastic buckle is fixedly connected to one side of the installation block, and the end of the elastic buckle is in the shape of a barb, a clamping groove is formed on the other side of the notch, the clamping groove is matched with the elastic buckle, a hole is formed on one side surface of the shell, a pressing piece is inserted into the hole, and a spring is sleeved outside the pressing piece. Through the adjusting mechanism, the operator can easily adjust the position of the shell relative to the electric screwdriver body, the spring is stressed by pulling the pressing piece, the elastic buckle is separated from the clamping groove, the installation block can slide in the sliding groove, the width of the notch of the shell is adjusted, the shell can adapt to electric screwdrivers of various specifications, the elastic buckle can be clamped into the corresponding clamping groove again after being adjusted to the appropriate position, the spring is stressed by pressing the pressing piece, the inserted elastic buckle is locked and positioned, and the stability and flexibility of the device in use are improved.
[0008] As a further scheme of the utility model: the side surface of the shell is provided with a guide groove, a sliding block is slidably connected in the guide groove, a plug-in block is fixedly connected to the bottom of the sliding block, one end of the plug-in block is fixedly connected to one side of the mounting block, the sliding connection of the guide groove and the sliding block enables the mounting block and the elastic buckle and other components connected thereto to be flexibly moved in the horizontal direction, when the adjusting mechanism needs to be operated, the plug-in block and the mounting block can be moved to drive the elastic buckle to be accurately aligned with the clamping groove in the limiting hole or to be separated from the clamping groove, thereby realizing accurate positioning and adjustment.
[0009] As a further scheme of the utility model: the outside of the electric wrench body is provided with an elastic tooth, the tooth top of the elastic tooth is arc-shaped, one side of the electric wrench body is provided with a roller, a groove is formed in the side surface of the roller, the groove is matched with the elastic tooth, the tooth top of the elastic tooth is arc-shaped, when the groove in the side surface of the roller is matched with the elastic tooth, the elastic tooth can better fit the profile of the groove, when the roller rotates, the elastic tooth can be smoothly embedded in the groove and realize stable transmission under the driving of the roller, thereby reducing the skidding phenomenon in the transmission process and ensuring that the power of the electric wrench body can be efficiently and stably transmitted to the roller, thereby improving the working efficiency of the electric wrench.
[0010] As a further scheme of the utility model: an annular dust cover is sleeved outside the roller, a spiral flow guide groove is formed in the inner wall of the annular dust cover, and a collection box is plugged into the bottom of the annular dust cover, the spiral flow guide groove formed in the inner wall of the annular dust cover has a unique flow guiding function. When the electric wrench is working, the rotation of the roller drives the surrounding air to flow, which may lift some small impurities or dust, the impurities move along the direction of the spiral flow guide groove under the action of air flow and are finally guided to the bottom of the annular dust cover, thereby reducing the accumulation of impurities inside the roller.
[0011] As a further scheme of the utility model: a grounding clamp is arranged at the bottom of the shell, a grounding wire is fixedly connected to one side of the grounding clamp, and the grounding clamp is connected with the electric wrench body through the grounding wire. The grounding can provide a stable zero potential reference point for the electric wrench, which helps to stabilize the voltage inside the electric wrench. When the electric wrench is subjected to external electromagnetic interference or voltage fluctuation, the grounding system can guide the excess charge into the ground, thereby avoiding damage to the electronic components inside the electric wrench caused by excessively high or low voltage and prolonging the service life of the electric wrench.
[0012] As a further scheme of the utility model: the outside of the shell is provided with an anti-skid handle, and the surface of the anti-skid handle is provided with concave-convex textures, one side of the shell is provided with a buffer pad, and the hanging ring is fixedly connected to one side of the shell, the concave-convex textures on the surface of the anti-skid handle increase the friction between the hand and the handle, effectively prevent the electric wrench from slipping from the hand, and the operator can hang the electric wrench on the tool rack through the hanging ring, improving the accuracy and safety of operation.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] 1. Through the adjusting mechanism, the operator can easily adjust the position of the shell relative to the electric wrench main body, the spring is pressed by pulling the pressing piece, the elastic buckle is separated from the clamping groove, the mounting block can slide in the sliding groove, the width of the notch of the shell is adjusted, the shell can adapt to electric wrenches of various specifications, and after being adjusted to the appropriate position, the elastic buckle can be clamped into the corresponding clamping groove again, the spring is stressed by pressing the pressing piece, the inserted elastic buckle is locked and positioned, and the stability and flexibility of the device in use are improved.
[0015] 2. The sliding connection of the guide groove and the sliding block enables the mounting block and the elastic buckle and other components connected thereto to move flexibly in the horizontal direction, when the adjusting mechanism needs to be operated, the sliding block can be moved to drive the plug-in block and the mounting block, the elastic buckle is accurately aligned with the clamping groove in the limiting hole or separated from the clamping groove, precise positioning and adjustment are realized.
[0016] 3. The tooth top of the elastic tooth is in arc shape, which can better fit the profile of the groove when cooperating with the groove on the side surface of the roller shaft, when the roller shaft rotates, the elastic tooth can be smoothly embedded in the groove and realize stable transmission under the driving of the roller shaft, reducing the slipping phenomenon in the transmission process, ensuring that the power of the electric wrench main body can be efficiently and stably transmitted to the roller shaft, and improving the working efficiency of the electric wrench. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a three-dimensional structure diagram of an electric wrench grounding device Figure 1 .
[0018] Figure 2 It is a three-dimensional structure diagram of an electric wrench grounding device
[0019] Figure 3 It is a three-dimensional structure diagram of an electric wrench grounding device Figure 2 .
[0020] Figure 4 It is a three-dimensional structure diagram of an electric wrench grounding device
[0021] Figure 5It is a local section enlarged structure schematic view in an electric wrench grounding device.
[0022] In the figure: 1, electric wrench main body; 2, shell; 3, notch; 4, elastic washer; 5, adjusting mechanism; 6, guide groove; 7, sliding block; 8, plug-in block; 9, elastic tooth; 10, roller; 11, recess; 12, annular dust cover; 13, flow guide groove; 14, collection box; 15, grounding clamp; 16, grounding wire; 17, non-slip handle; 18, buffer pad; 19, hanging ring; 501, limiting hole; 502, sliding groove; 503, mounting block; 504, elastic buckle; 505, clamping groove; 506, hole; 507, pressing piece; 508, spring. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0024] Example 1
[0025] Reference Figure 1 - Figure 5The embodiment provides an electric wrench grounding device, which comprises an electric wrench body 1, an outer shell 2 sleeved on the outer shell of the electric wrench body 1, a gap 3 formed in one side of the outer shell 2, an elastic washer 4 sleeved in the inner part of the outer shell 2, an adjusting mechanism 5 arranged on the surface of the gap 3, the adjusting mechanism 5 comprising a limiting hole 501, the limiting hole 501 being formed in the surface of the gap 3, limiting grooves 502 formed in the inner part of the limiting hole 501, an installation block 503 slidably connected in the limiting grooves 502, an elastic buckle 504 fixedly connected to one side of the installation block 503, the tail end of the elastic buckle 504 being in the shape of an inverted hook, a clamping groove 505 formed in the other side of the gap 3, the clamping groove 505 being matched with the elastic buckle 504, a hole 506 formed in the surface of one side of the outer shell 2, a pressing piece 507 inserted into the inner part of the hole 506, a spring 508 sleeved on the outer part of the pressing piece 507, a guide groove 6 formed in the surface of one side of the outer shell 2, a sliding block 7 slidably connected in the guide groove 6, a plug-in block 8 fixedly connected to the bottom of the sliding block 7, one end of the plug-in block 8 being fixedly connected to one side of the installation block 503, an elastic tooth 9 inserted into the outer part of the electric wrench body 1, the top of the elastic tooth 9 being in the shape of an arc, a roller shaft 10 arranged on one side of the electric wrench body 1, a groove 11 formed in the surface of the roller shaft 10, the groove 11 being matched with the elastic tooth 9, and the electric wrench body 1 being inserted into the outer part of the outer shell 2 when in use, if the width of the gap 3 on the outer shell 2 is to be adjusted, the sliding block 7 is slid in the guide groove 6, the installation block 503 is guided to slide in the limiting hole 501 along the limiting grooves 502, when the sliding block 7 is slid to the position corresponding to the clamping groove 505 on the other side of the gap 3, the elastic buckle 504 is clamped into the clamping groove 505, when the electric wrench body 1 is replaced or maintained, the pressing piece 507 in the hole 506 is pulled upwards, the elastic buckle 504 is pulled out of the clamping groove 505, the installation block 503 can be moved again, the position of the outer shell 2 is adjusted, the elastic buckle 504 is clamped into the corresponding clamping groove 505 again, the pressing piece 507 is loosened, the spring 508 returns to the original state, the adjustment of the outer shell 2 is completed, the outer shell 2 is fixed again, when the electric wrench body 1 is installed, the electric wrench body 1 is close to the roller shaft 10, the elastic tooth 9 on the electric wrench body 1 is aligned with the groove 11 on the surface of the roller shaft 10, the elastic tooth 9 is clamped into the groove 11, a fixed clamping is formed, the relative rotation and movement between the electric wrench body 1 and the roller shaft 10 are effectively limited, the arc-shaped top of the elastic tooth 9 makes the elastic tooth 9 more smoothly enter and exit the groove 11 when the electric wrench body 1 is installed and disassembled, the elastic washer 4 can absorb part of the vibration energy when the electric wrench body 1 works, the influence of the vibration on the outer shell 2 and other components is reduced, and the normal operation of the electric wrench body 1 is ensured.
[0026] Embodiment 2
[0027] Refer to Figure 1 - Figure 5The embodiment is based on the previous embodiment, and differs from the previous embodiment in that the outer sleeve of the roller shaft 10 is sleeved with an annular dust cover 12, the inner wall of the annular dust cover 12 is provided with a spiral flow guide groove 13, the bottom of the annular dust cover 12 is inserted with a collection box 14, the bottom of the shell 2 is provided with a grounding clamp 15, one side of the grounding clamp 15 is fixedly connected with a grounding wire 16, the grounding clamp 15 is connected with the electric screwdriver body 1 through the grounding wire 16, the outer side of the shell 2 is provided with an anti-skid handle 17, and the surface of the anti-skid handle 17 is provided with concave-convex textures, one side of the shell 2 is provided with a buffer pad 18, and one side of the shell 2 is fixedly connected with a hanging ring 19, when the electric screwdriver works, air flow is generated, and dust and other impurities are easily sucked into the surroundings of the electric screwdriver device, the annular dust cover 12 can block most of the dust from directly contacting the key components in the electric screwdriver, and when the dust enters the annular dust cover 12, due to the air flow generated by the electric screwdriver and the gravity of the dust, the dust moves along the spiral flow guide groove 13, the spiral flow guide groove 13 is like a guide channel, so that the dust gradually moves to the bottom of the dust cover in the process of rotation and descent, finally, the dust enters the collection box 14 through the opening at the bottom, the collection box 14 is inserted at the bottom of the annular dust cover 12, and the collection box 14 can be regularly pulled out for cleaning, meanwhile, the grounding wire 16 is a conductive path connecting the electric screwdriver body 1 and the grounding clamp 15, the grounding clamp 15 releases electric charge to the ground, secondly, the operator can operate the grounding of the electric screwdriver through the anti-skid handle 17 in use, the concave-convex textures can make the hand hold the electric screwdriver and the shell 2 better, and in the working process of the electric screwdriver, certain vibration is generated, the buffer pad 18 can absorb and reduce the vibration, so that the vibration is not directly transmitted to the hand of the user, when the electric screwdriver is not used, the electric screwdriver can be hung on a tool rack or a hook through the hanging ring 19.
[0028] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the foregoing embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the foregoing description, and it is intended to embrace all changes falling within the meaning and range of equivalents of the elements of the claims. Any reference signs in the claims should not be construed as limiting the claims to which the reference signs are involved.
[0029] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.
Claims
1. An electric screwdriver grounding device comprising an electric screwdriver body (1), characterized in that, The outer sleeve of the electric wrench body (1) is sleeved with a shell (2), one side of the shell (2) is provided with a notch (3), the inner sleeve of the shell (2) is sleeved with an elastic washer (4), the surface of the notch (3) is provided with an adjusting mechanism (5), the adjusting mechanism (5) comprises a limiting hole (501), the limiting hole (501) is arranged on the surface of the notch (3), the inner sides of the limiting hole (501) are provided with sliding grooves (502), the sliding grooves (502) are slidably connected with mounting blocks (503), one side of the mounting block (503) is fixedly connected with an elastic buckle (504), and the tail end of the elastic buckle (504) is in the shape of an inverted hook, the other side of the notch (3) is provided with a clamping groove (505), the clamping groove (505) is matched with the elastic buckle (504), one side surface of the shell (2) is provided with a hole (506), the inner sleeve of the hole (506) is inserted with a pressing piece (507), the outer sleeve of the pressing piece (507) is sleeved with a spring (508).
2. The electric screwdriver grounding device according to claim 1, wherein One side surface of the shell (2) is provided with a guide groove (6), the inner side of the guide groove (6) is slidably connected with a sliding block (7), the bottom of the sliding block (7) is fixedly connected with an insertion block (8), one end of the insertion block (8) is fixedly connected with one side of the mounting block (503).
3. The electric screwdriver grounding device according to claim 1, wherein The outer sleeve of the electric wrench body (1) is inserted with an elastic tooth (9), the top of the elastic tooth (9) is in the shape of an arc, one side of the electric wrench body (1) is provided with a roller (10), the side surface of the roller (10) is provided with a groove (11), the groove (11) is matched with the elastic tooth (9).
4. The electric screwdriver grounding device according to claim 3, wherein The outer sleeve of the roller (10) is sleeved with an annular dust cover (12), the inner wall of the annular dust cover (12) is provided with a spiral flow guide groove (13), the bottom of the annular dust cover (12) is inserted with a collection box (14).
5. The electric screwdriver grounding device according to claim 1, wherein The bottom of the shell (2) is provided with a grounding clamp (15), one side of the grounding clamp (15) is fixedly connected with a grounding wire (16), the grounding clamp (15) is connected with the electric wrench body (1) through the grounding wire (16).
6. The electric screwdriver grounding device according to claim 1, wherein The outer side of the shell (2) is provided with an anti-skid handle (17), and the surface of the anti-skid handle (17) is provided with concave-convex textures, one side of the shell (2) is provided with a buffer pad (18), one side of the shell (2) is fixedly connected with a hanging ring (19).