Multipurpose screwdriver
By introducing auxiliary devices and double-headed knife design into the screwdriver, the problem of difficult adaptation of polygon nuts is solved, and efficient screwing of a multi-purpose screwdriver is achieved, reducing the number of tools and operating complexity.
Patent Information
- Application Number
- CN202420996511.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-09
- Publication Date
- 2024-12-17
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Existing screwdrivers need to replace the corresponding tools when facing polygon nuts, resulting in cumbersome operation and inefficient efficiency.
A multi-purpose screwdriver is designed, using auxiliary devices including circular shaft, limit frame and polygonal plate. By manually moving the circular hole rod, the limit frame and polygonal plate can be driven by rapid twisting of the polygonal nut, and combined with double-headed The knife is suitable for a variety of bolts.
Reduces the need to carry multiple tools, improves operating efficiency and ease, and enables quick adaptation and twist of polygonal nuts and other types of bolts.
Smart Images
Figure CN222177560U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of screwdrivers, in particular to a multi-purpose screwdriver. Background Art
[0002] A screwdriver is a common tool used to turn screws into place. It usually has a thin wedge-shaped head that can be inserted into the slot or recess of the screw head for rotation. There are mainly two types of screwdrivers: flat-head (minus sign) and cross-head (positive sign). Also common are hexagonal screwdrivers, including internal hexagon and external hexagon.
[0003] When using existing screwdrivers, the handle is mostly held and rotated, so that the handle drives the blade to rotate to tighten screws with a slotted slot or a cross slot. However, when tightening screws that do not have a slotted slot or a cross slot at the nut position and have a polygonal shape, it is necessary to replace the corresponding wrench or tool to tighten them. This may cause personnel to carry multiple tools to deal with different screws, which may easily cause cumbersome operations for personnel and affect work efficiency. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and provides a multi-purpose screwdriver.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a multi-purpose screwdriver, comprising a handle, a double-ended blade is arranged on one side of the handle, a connecting device is arranged between the double-ended blade and the handle, an auxiliary device is arranged on one side of the handle, the auxiliary device comprises a storage groove opened on one side of the handle, the inner wall of the storage groove is fixedly connected with a round shaft, the surface of the round shaft is rotatably connected with a round hole rod, one side of the round hole rod is fixedly connected with a limit frame, the inner wall cross-section of the limit frame is polygonal, the interior of the limit frame is a double-layer structure, the inner wall of the limit frame is slidably connected with a plurality of polygonal plates, one side of the plurality of polygonal plates are fixedly connected with a round plate, and the surface of the round plate is larger than the inner wall of the limit frame.
[0006] The effect achieved by the above-mentioned components is: by setting up the auxiliary device, first manually move the round hole rod so that the round hole rod rotates along the surface of the circular axis, so that the round hole rod drives the limit frame to move, and the limit frame drives the multiple polygonal plates to move; when the limit frame moves out of the storage slot and is in a vertical position with the inner wall of the storage slot, the handle is manually moved so that the handle drives the limit frame to move; when the limit frame moves to the polygonal nut position sleeved on the external bolt, part of the polygonal plate slides along the inside of the limit frame, so that the other part of the polygonal plate is adapted to the nut position of the bolt; at this time, manually rotate the handle so that the handle cooperates with the limit frame and the multiple polygonal plates to drive the bolt to rotate, thereby completing the rapid tightening of the bolt with the polygonal nut; at the same time, in conjunction with the double-headed knife, multiple bolts can be tightened, reducing the cumbersome situation where personnel need to carry multiple different tools to adapt to different bolts for tightening, thereby improving the work efficiency of personnel.
[0007] Preferably, a reinforcement block is fixedly connected to one side of the round hole rod close to the limiting frame, and the reinforcement block is fixedly connected to the limiting frame.
[0008] The effect achieved by the above components is: by setting the reinforcement block, the reinforcement block can reinforce the connection between the rectangular frame and the round hole rod, thereby reducing the situation where the limit frame is separated from the round hole rod during use.
[0009] Preferably, an auxiliary groove is opened on one side of the round hole rod, and the inner wall cross section of the auxiliary groove is trapezoidal.
[0010] The effect achieved by the above components is: by setting the auxiliary groove, a person can insert a finger into the auxiliary groove to move the round hole rod, thereby improving the convenience of manually moving the round hole rod out of the storage groove.
[0011] Preferably, two limiting plates are fixedly connected to one side of the circular shaft, the round hole rod is arranged between the two limiting plates, and the surface of the limiting plate is larger than the inner wall of the round hole rod.
[0012] The effect achieved by the above components is: by setting the limit plate, the limit plate can assist in limiting the round hole rod, thereby reducing the round hole rod from sliding left and right along the circular shaft surface during use.
[0013] Preferably, a groove is formed on the inner wall of the storage slot, a blocking rod is slidably connected to the inner wall of the groove, a spring is fixedly connected to one side of the blocking rod, and the other end of the spring is fixedly connected to the inner wall of the groove.
[0014] The effect achieved by the above components is: by setting the blocking rod, the blocking rod can assist in intercepting the round hole rod, thereby reducing the situation where the round hole rod rotates and moves out of the storage slot when a person carries the handle.
[0015] Preferably, the connecting device includes a cylinder, the surface of the double-ended knife is slidably connected to the inner wall of the cylinder, a threaded hole is provided on one side of the cylinder, a screw is threadedly connected to the inner wall of the threaded hole, a circular groove is provided on one side of the double-ended knife, and the surface size and shape of the screw are adapted to the size and shape of the inner wall of the circular groove.
[0016] The effect achieved by the above-mentioned components is: by setting up the connecting device, the double-ended knife is first moved manually. When either end of the double-ended knife is moved to the position for insertion into the interior of the cylinder, the inner wall of the circular groove coincides with the inner wall of the threaded hole. At this time, the screw is manually rotated to allow the screw to enter the inner position of the circular groove inside the threaded hole to fix the position of the double-ended knife, completing the connection and fixation of the double-ended knife and the handle, so that personnel can use the connecting device to alternately use the ends of the double-ended knife, thereby improving the convenience and flexibility of personnel in tightening the bolts.
[0017] Preferably, one end of the screw rod is fixedly connected to a screw block, and a plurality of anti-slip grooves are provided on the surface of the screw block.
[0018] The effect achieved by the above components is: by setting the screw block, the screw block can increase the contact area of the screw rod, so that a person can drive the screw rod to rotate conveniently by manually turning the screw block.
[0019] Preferably, a limiting groove is provided on the inner wall of the cylinder, a limiting block is fixedly connected to one side of the double-ended knife, and the surface of the limiting block is slidably connected to the inner wall of the limiting groove.
[0020] The effect achieved by the above components is: by setting the limit block and the limit slot, the limit block can be inserted into the limit slot to assist in limiting the double-ended knife and perform position correction, thereby improving the stability of the double-ended knife.
[0021] Compared with the prior art, the advantages and positive effects of the utility model are:
[0022] In the utility model, an auxiliary device is provided to tighten bolts with polygonal nuts, and a double-ended cutter can be used to tighten various bolts, thereby reducing the need for personnel to carry multiple different tools to tighten different bolts, which is cumbersome and improves the work efficiency of personnel. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0024] Figure 2 It is a partial cross-sectional view of the limit frame of the utility model;
[0025] Figure 3 It is a partial cross-sectional view of the handle of the utility model;
[0026] Figure 4It is a schematic diagram of the local structure of the circular groove of the utility model.
[0027] Legend: 1. Handle; 2. Double-ended knife; 3. Connecting device; 31. Cylinder; 32. Threaded hole; 33. Screw; 34. Twist block; 35. Limiting groove; 36. Round groove; 37. Limiting block; 4. Auxiliary device; 41. Storage groove; 42. Round shaft; 43. Limiting plate; 44. Stop rod; 45. Spring; 46. Round hole rod; 47. Limiting frame; 48. Polygonal plate; 49. Round plate; 410. Reinforcement block; 411. Auxiliary groove. DETAILED DESCRIPTION
[0028] Reference Figure 1-3 As shown, the present embodiment discloses a multi-purpose screwdriver, comprising a handle 1, a double-ended blade 2 is arranged on one side of the handle 1, a connecting device 3 is arranged between the double-ended blade 2 and the handle 1, an auxiliary device 4 is arranged on one side of the handle 1, the auxiliary device 4 comprises a storage groove 41 opened on one side of the handle 1, a circular shaft 42 is fixedly connected to the inner wall of the storage groove 41, a circular hole rod 46 is rotatably connected to the surface of the circular shaft 42, a limiting frame 47 is fixedly connected to one side of the circular hole rod 46, the inner wall cross section of the limiting frame 47 is polygonal, the interior of the limiting frame 47 is a double-layer structure, a plurality of polygonal plates 48 are slidably connected to the inner wall of the limiting frame 47, a circular plate 49 is fixedly connected to one side of the plurality of polygonal plates 48, the surface of the circular plate 49 is larger than the inner wall of the limiting frame 47, by setting the auxiliary device 4, firstly manually move the circular hole rod 46 so that the circular hole rod 46 rotates along the surface of the circular shaft 42, so that The round hole rod 46 drives the limit frame 47 to move, so that the limit frame 47 drives the multiple polygonal plates 48 to move. When the limit frame 47 moves out of the storage groove 41 and is in a vertical position with the inner wall of the storage groove 41, the handle 1 is manually moved, so that the handle 1 drives the limit frame 47 to move. When the limit frame 47 moves to the polygonal nut position on the external bolt, part of the polygonal plate 48 slides along the inside of the limit frame 47, so that the other part of the polygonal plate 48 is adapted to the nut position of the bolt. At this time, the handle 1 is manually rotated, so that the handle 1 cooperates with the limit frame 47 and the multiple polygonal plates 48 to drive the bolt to rotate, thereby completing the rapid tightening of the bolt with the polygonal nut. At the same time, with the double-headed knife 2, multiple bolts can be tightened, which reduces the cumbersome situation that personnel need to carry multiple different tools to adapt to different bolts for tightening, thereby improving the work efficiency of personnel.
[0029] Reference Figure 2 and Figure 3As shown, the present embodiment discloses that a reinforcement block 410 is fixedly connected to one side of the round hole rod 46 close to the limit frame 47, and the reinforcement block 410 is fixedly connected to the limit frame 47. By setting the reinforcement block 410, the reinforcement block 410 can reinforce the connection between the rectangular frame and the round hole rod 46, thereby reducing the separation of the limit frame 47 from the round hole rod 46 during use. An auxiliary groove 411 is provided on one side of the round hole rod 46, and the inner wall cross-section of the auxiliary groove 411 is trapezoidal. By setting the auxiliary groove 411, a person can insert a finger into the auxiliary groove 411 to move the round hole rod 46, thereby improving the convenience of the person manually moving the round hole rod 46 out of the storage groove 41.
[0030] Reference Figure 2 and Figure 3 As shown, the present embodiment discloses that one side of the circular shaft 42 is fixedly connected with two limit plates 43, and the circular hole rod 46 is arranged between the two limit plates 43. The surface of the limit plate 43 is larger than the inner wall of the circular hole rod 46. By setting the limit plate 43, the limit plate 43 can assist in limiting the circular hole rod 46, thereby reducing the circular hole rod 46 from sliding left and right along the surface of the circular shaft 42 during use. A groove is provided on the inner wall of the storage groove 41, and a blocking rod 44 is slidably connected to the inner wall of the groove. A spring 45 is fixedly connected to one side of the blocking rod 44, and the other end of the spring 45 is fixedly connected to the inner wall of the groove. By setting the blocking rod 44, the blocking rod 44 can assist in intercepting the circular hole rod 46, thereby reducing the circular hole rod 46 from rotating and moving out of the storage groove 41 when a person carries the handle 1.
[0031] Reference Figure 3 and Figure 4 As shown, the present embodiment discloses a connecting device 3 comprising a cylinder 31, the surface of the double-ended knife 2 is slidably connected with the inner wall of the cylinder 31, a threaded hole 32 is provided on one side of the cylinder 31, the inner wall of the threaded hole 32 is threadedly connected with a screw 33, a circular groove 36 is provided on one side of the double-ended knife 2, the surface size and shape of the screw 33 are adapted to the size and shape of the inner wall of the circular groove 36, by setting the connecting device 3, firstly, the double-ended knife 2 is manually moved, when either end of the double-ended knife 2 is moved to the position inserted into the interior of the cylinder 31, the inner wall of the circular groove 36 coincides with the inner wall of the threaded hole 32, at this time, the screw 33 is manually rotated, so that the screw 33 is rotated into the position inside the circular groove 36 inside the threaded hole 32 to fix the position of the double-ended knife 2, and the connection and fixation of the double-ended knife 2 and the handle 1 are completed, so that the personnel can use the connecting device 3 to use the ends of the double-ended knife 2 alternately, thereby improving the convenience and flexibility of the personnel in tightening the bolts.
[0032] Reference Figure 3 and Figure 4As shown, the present embodiment discloses that one end of the screw rod 33 is fixedly connected with a twist block 34, and a plurality of anti-slip grooves are provided on the surface of the twist block 34. By providing the twist block 34, the twist block 34 can increase the contact area of the screw rod 33, so that a person can drive the screw rod 33 to rotate conveniently by manually turning the twist block 34. A limiting groove 35 is provided on the inner wall of the cylinder 31, and a limiting block 37 is fixedly connected to one side of the double-headed knife 2. The surface of the limiting block 37 is slidably connected to the inner wall of the limiting groove 35. By providing the limiting block 37 and the limiting groove 35, the limiting block 37 can be inserted into the limiting groove 35 to assist in limiting the double-headed knife 2 and perform position correction, thereby improving the stability of the double-headed knife 2.
[0033] Working principle: first, manually move the round hole rod 46 so that the round hole rod 46 rotates along the surface of the circular shaft 42, so that the round hole rod 46 drives the limit frame 47 to move, and the limit frame 47 drives the multiple polygonal plates 48 to move. When the limit frame 47 moves out of the storage groove 41 and is in a vertical position with the inner wall of the storage groove 41, manually move the handle 1 so that the handle 1 drives the limit frame 47 to move. When the limit frame 47 moves to the polygonal nut position on the external bolt, part of the polygonal plate 48 slides along the inside of the limit frame 47, so that the other part of the polygonal plate 48 is adapted to the nut position of the bolt. At this time, manually rotate the handle 1 so that the handle 1 cooperates with the limit frame 47 and the multiple polygonal plates 48 to drive the bolt to rotate, thereby completing the rapid tightening of the bolt with the polygonal nut.
[0034] First, manually move the double-ended knife 2. When either end of the double-ended knife 2 is moved to the position inserted into the cylinder 31, the inner wall of the circular groove 36 coincides with the inner wall of the threaded hole 32. At this time, manually rotate the screw block 34 so that the screw block 34 drives the screw rod 33 to rotate, so that the screw rod 33 is rotated into the position inside the circular groove 36 inside the threaded hole 32 to fix the position of the double-ended knife 2, thereby completing the connection and fixation between the double-ended knife 2 and the handle 1 and the alternating use of the end heads.
[0035] The above is only a preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model. In the description of the utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood by specific circumstances.
Claims
1. A multi-purpose screwdriver, comprising a handle (1), characterized in that: A double-ended knife (2) is provided on one side of the handle (1), a connecting device (3) is provided between the double-ended knife (2) and the handle (1), an auxiliary device (4) is provided on one side of the handle (1), and the auxiliary device (4) comprises a storage groove (41) opened on one side of the handle (1), the inner wall of the storage groove (41) is fixedly connected to a round shaft (42), the surface of the round shaft (42) is rotatably connected to a round hole rod (46), one side of the round hole rod (46) is fixedly connected to a limit frame (47), the inner wall cross section of the limit frame (47) is polygonal, the interior of the limit frame (47) is a double-layer structure, the inner wall of the limit frame (47) is slidably connected to a plurality of polygonal plates (48), one side of the plurality of polygonal plates (48) is fixedly connected to a round plate (49), and the surface of the round plate (49) is larger than the inner wall of the limit frame (47).
2. A multi-purpose screwdriver according to claim 1, characterized in that: A reinforcing block (410) is fixedly connected to one side of the round hole rod (46) close to the limiting frame (47), and the reinforcing block (410) is fixedly connected to the limiting frame (47).
3. The multi-purpose screwdriver according to claim 1, characterized in that: An auxiliary groove (411) is provided on one side of the round hole rod (46), and the inner wall cross section of the auxiliary groove (411) is trapezoidal.
4. The multi-purpose screwdriver according to claim 1, characterized in that: Two limiting plates (43) are fixedly connected to one side of the circular shaft (42); the round hole rod (46) is arranged between the two limiting plates (43); and the surface of the limiting plate (43) is larger than the inner wall of the round hole rod (46).
5. The multi-purpose screwdriver according to claim 1, characterized in that: The inner wall of the receiving groove (41) is provided with a groove, the inner wall of the groove is slidably connected with a blocking rod (44), one side of the blocking rod (44) is fixedly connected with a spring (45), and the other end of the spring (45) is fixedly connected to the inner wall of the groove.
6. The multi-purpose screwdriver according to claim 1, characterized in that: The connecting device (3) comprises a cylinder (31), the surface of the double-ended knife (2) is slidably connected to the inner wall of the cylinder (31), a threaded hole (32) is provided on one side of the cylinder (31), a screw rod (33) is threadedly connected to the inner wall of the threaded hole (32), a circular groove (36) is provided on one side of the double-ended knife (2), and the surface size and shape of the screw rod (33) are adapted to the size and shape of the inner wall of the circular groove (36).
7. A multi-purpose screwdriver according to claim 6, characterized in that: One end of the screw rod (33) is fixedly connected to a screw block (34), and a plurality of anti-slip grooves are provided on the surface of the screw block (34).
8. The multi-purpose screwdriver according to claim 6, characterized in that: A limiting groove (35) is provided on the inner wall of the cylinder (31); a limiting block (37) is fixedly connected to one side of the double-ended knife (2); and a surface of the limiting block (37) is slidably connected to the inner wall of the limiting groove (35).