Lithium battery wrench
By designing a detachable, sealed baffle for the filter and cleaning mechanism in the lithium battery wrench, the problem of dust accumulation and reduced air permeability of the dust collection net is solved, achieving automated cleaning and improved safety.
Patent Information
- Application Number
- CN202422664442.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-11-01
AI Technical Summary
The dust collection screen of existing lithium battery wrenches tends to accumulate dust after a period of use, resulting in reduced air permeability and inconvenient cleaning due to the need for frequent disassembly and reassembly of the sealing cover.
A lithium-ion battery wrench has been designed, equipped with a detachable sealed baffle containing a filter and a cleaning mechanism, including an inclined cover plate and brush bristles. The cleaning mechanism is automatically cleaned by raising and lowering a vertical rod. Dust is brushed off and collected in a collection tank, and springs are used to compact the dust, simplifying the cleaning process.
It achieves automated dust removal, avoids frequent disassembly and reassembly of the sealing cover, improves safety and cleaning efficiency, and enhances the air permeability and dust storage capacity of the filter.
Smart Images

Figure CN223507094U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of electric wrenches, in particular to a lithium battery wrench. BACKGROUND
[0002] The electric wrench refers to an electric tool for tightening and loosening bolts and nuts, and is a tool for tightening high-strength bolts. The lithium battery wrench refers to an electric tool for tightening and loosening bolts and nuts, and is powered by a lithium battery. The lithium battery wrench is started by pressing a button to drive the output shaft to rotate and tighten the bolt, and is commonly used for initial tightening, final tightening and initial tightening of torsional shear type high-strength bolts in the construction of steel structure bridges, factory buildings, chemical industry and power equipment installation large hexagonal head high-strength bolts, and occasions with strict requirements on the torque or axial force of bolt fasteners.
[0003] The patent with the publication number CN220348267U discloses a "handheld high-safety lithium battery wrench, comprising a lithium battery wrench main body, and a dust collection device is installed on the lithium battery wrench main body. The handheld high-safety lithium battery wrench installs the dust collector main body on the lithium battery wrench main body, and makes the air inlet of the dust collector main body close to the rotating shaft of the lithium battery wrench main body. When working, the rust powder or dust generated during work can be extracted by the dust collector main body, and the extracted rust powder or dust can be collected in the dust collection net, so as to avoid the rust powder or dust from falling into the eyes or mouth and nose of the operator, and to improve the safety effect".
[0004] According to the related technology in the above, the inventor believes that the dust collection net body contains rust powder and dust, which is easy to gather on one side of the dust collection net filter screen under the suction force after the dust collection net is used for a period of time, reducing the air permeability of the dust collection net. The sealing cover plate needs to be frequently disassembled and cleaned by the staff, and it is inconvenient to frequently disassemble and assemble the sealing cover plate, and thus needs to be improved. CONTENT OF THE UTILITY MODEL
[0005] In order to solve the above problems, the application provides a lithium battery wrench.
[0006] The lithium battery wrench provided by the application adopts the following technical scheme:
[0007] A lithium battery wrench comprises a lithium battery wrench body, a handle installed on one side of the bottom of the lithium battery wrench body, and a dust collection mechanism installed on the top of the lithium battery wrench body and used for extracting rust powder and dust generated during work. A sealing baffle is detachably arranged in the dust collection mechanism, a filter screen for filtering dust is fixedly arranged in the sealing baffle, and a cleaning mechanism is arranged in the sealing baffle.
[0008] The cleaning mechanism comprises an inclined cover plate obliquely arranged in the sealing baffle, and a plurality of bristles fixedly arranged at the top end of the inclined cover plate for cleaning the filter screen, a collecting groove for collecting dust brushed off by the bristles is arranged at the bottom of the inner side of the sealing baffle, the inclined cover plate and the plurality of bristles are movably arranged at the top of the matching collecting groove, and a vertical rod is fixedly arranged at the top of the inclined cover plate and extends to the outside of the sealing baffle.
[0009] By adopting the above technical scheme, the dust such as rust powder generated during operation can be extracted by the air suction mechanism, the filter screen can filter and block the dust, and after the cleaning mechanism is lifted by the up-and-down moving vertical rod, the filter screen can be cleaned by the lifting bristles, and the dust brushed off by the bristles can enter the collecting groove under the guidance of the inclined cover plate and the guide plate, and be covered by the cleaning mechanism such as the inclined cover plate.
[0010] Preferably, a rubber damping sleeve is fixedly arranged on the outer wall of the handle, and anti-skid lines are arranged on the outer side of the rubber damping sleeve.
[0011] By adopting the above technical scheme, the rubber damping sleeve can reduce the vibration received by the worker when holding the handle during operation, thereby improving comfort, and the anti-skid lines can reduce the probability of hand slipping when the worker holds the handle.
[0012] Preferably, the dust suction mechanism comprises a dust suction box fixedly arranged at the top of the lithium electric wrench body, a dust suction pipe fixedly arranged at one end of the dust suction box for extracting dust, and a dust suction fan fixedly arranged at the other end of the dust suction box for applying suction force to the dust suction box, a plurality of heat dissipation fins are fixedly arranged at the top of the lithium electric wrench body, and the exhaust end of the dust suction fan faces the plurality of heat dissipation fins.
[0013] By adopting the above technical scheme, the dust suction fan can generate suction force when operating, so that the dust such as rust powder generated during operation can be extracted into the dust suction box through the dust suction pipe, thereby avoiding that the rust powder falls into the eyes or mouth and nose of the worker, and improving safety.
[0014] Preferably, the sealing baffle is detachably arranged at the inner side of the middle part of the dust suction box, an installation hole is arranged at the top of the dust suction box, the top end of the sealing baffle is movably arranged in the matching installation hole, a spring is fixedly arranged at the inner top of the sealing baffle for pressing the inclined cover plate, a guide plate is fixedly arranged at the end of the sealing baffle away from the filter screen for guiding the dust on the top of the inclined cover plate to fall into the collecting groove, a lifting handle is fixedly arranged at the top end of the vertical rod for holding, and a box door is fixedly arranged at one side of the dust suction box.
[0015] By adopting the above technical scheme, the cleaning mechanism such as the inclined cover plate can compact the dust in the collecting groove by the elastic force of the spring, thereby improving the storage capacity of the collecting groove for dust.
[0016] To sum up, the present application includes at least one of the following beneficial technical effects:
[0017] 1. By the setting of the suction mechanism, the dust such as rust powder generated by the operation can be extracted, avoiding the dust such as rust powder from falling into the eyes or mouth and nose of the workers, improving the safety, and the filter screen can filter and block the dust, and after the cleaning mechanism is lifted by the up-down moving vertical rod, the filter screen can be cleaned by the lifting bristles, and the dust brushed off by the bristles can enter the collecting groove under the guidance of the inclined cover plate and the guide plate, and be covered by the cleaning mechanism such as the inclined cover plate, and the whole cleaning of the filter screen can be completed by only moving the vertical rod up and down, without frequent disassembly and assembly of the sealing baffle, which is more time-saving and convenient;
[0018] 2. By the elastic force of the spring, the cleaning mechanism such as the inclined cover plate can compact the dust in the collecting groove, thereby improving the storage capacity of the collecting groove for the dust, the workers can drive the vertical rod to move up and down by the pull handle, which is convenient to operate, and the heat dissipation fins can increase the heat dissipation area of the lithium electric wrench, which can improve the heat dissipation effect of the lithium electric wrench in cooperation with the blowing of the suction fan, which is convenient and practical. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a whole structure schematic view of a lithium electric wrench of the embodiment of the present application;
[0020] Figure 2 It is a local structure internal schematic view of the lithium electric wrench body mainly embodied by the embodiment of the present application;
[0021] Figure 3 It is an internal schematic view of the dust collection box and the heat dissipation fins mainly embodied by the embodiment of the present application;
[0022] Figure 4 It is an enlarged view of the A structure in the embodiment of the present application; Figure 3
[0023] Reference signs: 1, lithium electric wrench body; 11, handle; 12, rubber shock absorbing sleeve; 13, heat dissipation fin; 2, dust collection box; 21, dust collection pipe; 22, suction fan; 23, mounting hole; 3, sealing baffle; 31, filter screen; 32, collecting groove; 33, guide plate; 4, inclined cover plate; 41, bristle; 42, vertical rod; 43, pull handle; 44, spring. DETAILED DESCRIPTION
[0024] The following will be described in detail in combination with the accompanying drawings. Figures 1-4 The present application will be further described in detail.
[0025] The embodiment of the present application discloses a lithium electric wrench.
[0026] The lithium electric wrench, referring to Figures 1-3 , including lithium electric wrench body 1, handle 11 and dust collection mechanism, handle 11 is installed on the bottom side of lithium electric wrench body 1, lithium electric wrench body 1 and handle 11 constitute the existing lithium electric wrench, its internal structure and principle have been disclosed, here not too much repetition, the outer wall of handle 11 is fixedly provided with a rubber shock absorbing sleeve 12, a plurality of anti-skid lines are formed on the outer side of the rubber shock absorbing sleeve 12, the rubber shock absorbing sleeve 12 can reduce the vibration received by the worker when holding the handle 11 during operation, improve comfort, and the anti-skid lines can reduce the probability of hand slipping when the worker holds the handle 11.
[0027] Referring to Figure 1 With Figure 3 , the dust collection mechanism includes a dust collection box 2 fixedly arranged at the top of the lithium electric wrench body 1, a dust collection pipe 21 fixedly arranged at one end of the dust collection box 2 for extracting dust, and a dust collector 22 fixedly arranged at the other end of the dust collection box 2 for applying suction to the dust collection box 2, one end of the dust collection pipe 21 is fixedly arranged at the screwing end of the lithium electric wrench body 1, the dust collector 22 is a fan with suction effect such as negative pressure fan and exhaust fan, the dust collector 22 generates suction after operation, so that the dust such as rust powder generated during operation can be extracted into the dust collection box 2 through the dust collection pipe 21, avoiding the rust powder and dust falling into the eyes or mouth and nose of the worker, improving safety.
[0028] Referring to Figure 1 With Figure 3 , a plurality of heat dissipation fins 13 are fixedly arranged at the top of the lithium electric wrench body 1, the exhaust end of the dust collector 22 faces the plurality of heat dissipation fins 13, the heat dissipation fins 13 can increase the heat dissipation area of the lithium electric wrench, and cooperate with the blowing of the dust collector 22 during exhaust to improve the heat dissipation effect of the lithium electric wrench.
[0029] Referring to Figure 1 With Figure 3 , a seal baffle 3 is detachably arranged in the dust collection mechanism, the seal baffle 3 is detachably arranged at the middle of the inner side of the dust collection box 2, a mounting hole 23 is formed at the top of the dust collection box 2, the top end of the seal baffle 3 is movably arranged in the matching mounting hole 23, the seal baffle 3 is detachably connected in the dust collection box 2 by means of lock buckle connection, etc., and the dust collection box 2 can accommodate and limit the top end of the seal baffle 3 through the mounting hole 23.
[0030] Referring to Figure 1 With Figure 3 , a filter screen 31 for filtering dust is fixedly arranged in the seal baffle 3, the filter screen 31 can filter the air in the dust collection box 2 and block the dust such as rust powder.
[0031] Referring to Figure 1 , Figure 3 And Figure 1The cleaning mechanism comprises an inclined cover plate 4 obliquely arranged in the sealing baffle 3 and a plurality of bristles 41 fixedly arranged at the top end of the inclined cover plate 4 and used for cleaning the filter screen 31, one end of the bristle 41 is inserted into the mesh of the filter screen 31, and after the inclined cover plate 4 and the bristle 41 are lifted and moved, the bristle 41 can brush off the dust blocked by the filter screen 31 and dredge the filter screen 31, thereby cleaning.
[0032] With reference to Figure 3 and Figure 1 , the bottom of the inner side of the sealing baffle 3 is provided with a collecting groove 32 used for collecting the dust brushed off by the bristle 41, the inclined cover plate 4 and the plurality of bristles 41 are movably arranged at the top of the collecting groove 32, and the end of the sealing baffle 3 away from the filter screen 31 is fixedly provided with a material guide plate 33 used for guiding the dust on the top of the inclined cover plate 4 to fall into the collecting groove 32, the material guide plate 33 is inclined, most of the dust brushed off by the bristle 41 on the filter screen 31 can fall into the collecting groove 32 under the guidance of the inclined cover plate 4 and the material guide plate 33, the dust is temporarily collected by the collecting groove 32, and after the inclined cover plate 4 and the plurality of bristles 41 fall, the dust in the bottom collecting groove 32 can be covered, so that the dust in the collecting groove 32 is not easily sucked to one side of the filter screen 31 under the suction of the air suction machine 22, thereby ensuring the air permeability of the filter screen 31.
[0033] With reference to Figure 3 and Figure 4 , the top of the inner side of the sealing baffle 3 is fixedly provided with a spring 44 used for pressing down the inclined cover plate 4, the bottom of the spring 44 is fixedly connected with the top of the inclined cover plate 4, and the spring 44 can compact the dust in the collecting groove 32, thereby improving the storage capacity of the dust in the collecting groove 32, and the sealing baffle 3 can be disassembled from the dust collection box 2 by the worker to pour and clean the dust in the collecting groove 32.
[0034] With reference to Figure 1 and Figure 3 Figure 1 Figure 3 Figure 1 Figure 3 , the top of the inclined cover plate 4 is fixedly provided with a vertical rod 42 penetrating through and extending to the outside of the sealing baffle 3, the top end of the vertical rod 42 is fixedly provided with a lifting handle 43 for holding, one side of the dust collection box 2 is fixedly provided with a box door, the worker can move the vertical rod 42 up and down through the lifting handle 43, thereby driving the cleaning mechanism to lift, and the worker can also open the box door to overhaul and maintain the internal components of the dust collection box 2.
[0035] The implementation principle of the lithium battery wrench is as follows:
[0036] In use, the worker can hold the handle 11 to rotate the bolt through the lithium battery wrench body 1, and when the worker works on the rusty bolt, the power generated by the torque can make the rust powder on the surface of the bolt fly up;
[0037] At this time, the air suction fan 22 can be started, and the air suction fan 22 generates suction force after being started, so that dust such as rust powder generated during the operation can be sucked into the dust suction box 2 through the dust suction pipe 21, so as to avoid the dust such as rust powder from falling into the eyes or the mouth and nose of the worker, improve the safety, and the filter screen 31 can filter the air in the dust suction box 2 and block the dust such as rust powder, so that the dust can be retained in the dust suction box 2;
[0038] When the filter screen 31 needs to be cleaned, the worker can close the air suction fan 22, and move the vertical rod 42 up and down through the pull handle 43, so as to drive the cleaning mechanism to ascend and descend. After the inclined cover plate 4 and the bristles 41 ascend and descend, the bristles 41 can brush off the dust blocked by the filter screen 31, and dredge the filter screen 31, so as to clean the filter screen 31;
[0039] The dust brushed off by the bristles 41 on the filter screen 31 can slide into the collecting groove 32 under the guidance of the inclined cover plate 4 and the guide plate 33, and the dust can be temporarily collected by the collecting groove 32. After the inclined cover plate 4 and the bristles 41 fall, the dust in the bottom collecting groove 32 can be covered, and the dust in the collecting groove 32 can be compacted by the elastic force of the spring 44, so as to improve the storage capacity of the collecting groove 32 for the dust. The filter screen 31 can be cleaned only by moving the vertical rod 42 up and down, and the sealing baffle 3 does not need to be frequently disassembled and assembled, which is more time-saving and convenient.
[0040] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore, any equivalent changes made on the basis of the structure, shape, and principle of the present application should be covered within the protection scope of the present application.
Claims
1. A lithium-ion battery wrench, comprising a lithium-ion battery wrench body (1), a handle (11) mounted on one side of the bottom of the lithium-ion battery wrench body (1), and a dust collection mechanism mounted on the top of the lithium-ion battery wrench body (1) for collecting rust powder and dust generated during operation, characterized in that: The dust collection mechanism is equipped with a detachable sealing baffle (3), and a filter screen (31) for filtering dust is fixedly installed inside the sealing baffle (3). The sealing baffle (3) is also equipped with a cleaning mechanism. The cleaning mechanism includes an inclined cover plate (4) installed inside the sealing baffle (3) and several bristles (41) fixed on the top of the inclined cover plate (4) for cleaning the filter screen (31). The bottom of the inner side of the sealing baffle (3) is provided with a collection groove (32) for collecting the dust brushed away by the bristles (41). The inclined cover plate (4) and several bristles (41) are movably installed on the top of the matching collection groove (32). The top of the inclined cover plate (4) is fixed with a vertical rod (42) that penetrates through and extends to the outside of the sealing baffle (3).
2. A lithium-ion battery wrench according to claim 1, characterized in that: The handle (11) is fixedly provided with a rubber shock-absorbing sleeve (12) on its outer wall, and the rubber shock-absorbing sleeve (12) has anti-slip texture on its outer side.
3. A lithium-ion battery wrench according to claim 1, characterized in that: The dust collection mechanism includes a dust collection box (2) fixed on the top of the lithium battery wrench body (1), a dust collection pipe (21) fixed on one end of the dust collection box (2) for extracting dust, and a suction fan (22) fixed on the other end of the dust collection box (2) for applying suction to the dust collection box (2).
4. A lithium-ion battery wrench according to claim 3, characterized in that: The top of the lithium battery wrench body (1) is fixed with several heat dissipation fins (13), and the exhaust end of the suction fan (22) is directly opposite the several heat dissipation fins (13).
5. A lithium-ion battery wrench according to claim 4, characterized in that: The sealing baffle (3) is detachably installed in the middle of the inner side of the dust collection box (2). The top of the dust collection box (2) has an installation hole (23), and the top of the sealing baffle (3) is movably installed in the matching installation hole (23).
6. A lithium-ion battery wrench according to claim 5, characterized in that: The inner top of the sealing bracket (3) is fixed with a spring (44) for pressing down the inclined cover plate (4).
7. A lithium-ion battery wrench according to claim 6, characterized in that: The sealing baffle (3) is fixedly provided with a guide plate (33) at one end away from the filter screen (31) for guiding the dust that slides off the top of the inclined cover plate (4) into the collection tank (32).
8. A lithium-ion battery wrench according to claim 7, characterized in that: The top of the vertical rod (42) is fixedly provided with a lifting handle (43) for gripping, and a box door is fixedly installed on one side of the dust collection box (2).
Citation Information
Patent Citations
Handheld high-safety lithium battery wrench
CN220348267U