A screwdriver bit connection assembly

Abstract

The utility model discloses a screwdriver bit connecting assembly. Its technical scheme main points are: a screwdriver bit connecting assembly, including handle and a plurality of bit assemblies, the top of a plurality of bit assemblies is provided with the connecting end head of handle detachable connection, is provided with the accommodation cavity in the handle, is provided with the clamping assembly and the output piece of control clamping assembly output in the accommodation cavity, and the both ends of clamping assembly are fixedly connected with the inner wall of accommodation cavity through the connecting column, and clamping assembly includes the locating seat, the first adjusting plate of sliding setting in the both sides of locating seat, sets up between two first adjusting plates and with first adjusting plate sliding connection's second adjusting plate, and second adjusting plate is fixedly connected with output piece, and the bottom of two first adjusting plates is fixedly connected with first clamping plate and second clamping plate respectively, and all are seted up with the fixed cavity for fixed bit assembly on first clamping plate and second clamping plate. The utility model realizes the quick installation, dismounting and fixing between bit assembly and handle through the cooperation of output piece and clamping assembly.

Description

Technical Field

[0001] This utility model relates to the field of hardware tool technology, and in particular to a screwdriver bit connecting assembly. Background Technology

[0002] Screwdriver bits are common tool accessories for tightening or loosening screws, typically mounted on the output shaft of a drive tool (such as a drill or screwdriver handle) via a connecting assembly (or bit holder). Existing bit connecting assemblies generally employ magnetic or ball-bearing snap-fit ​​fastening. Magnetic connections rely on magnetic force to attract the bit, offering the advantage of easy loading and unloading, but the magnetic force is limited, making them prone to detachment under high torque or vibration, resulting in poor reliability. Ball-bearing snap-fit ​​fasteners lock the bit in place by using a spring within the connecting assembly to push a ball into the groove, creating an annular groove on the bit shaft. While this method is more secure than magnetic connections, it still presents several problems: firstly, unlocking requires forcefully pulling the bit outwards, which is inconvenient, especially in space-constrained situations; secondly, after prolonged use, spring fatigue may reduce clamping force, still posing a risk of detachment. Therefore, there is an urgent need in the field for a screwdriver bit connecting assembly that allows for quick and easy loading and unloading while providing a secure connection. Summary of the Invention

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a screwdriver bit connection component that integrates the functions of quick locking, one-click unlocking, and anti-detachment.

[0004] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a screwdriver bit connection assembly, including a handle and a plurality of bit assemblies, the top of the plurality of bit assemblies being provided with a connecting end that is detachably connected to the handle, the handle being provided with a mounting cavity, the mounting cavity being provided with a clamping assembly and an output component for controlling the output of the clamping assembly, the two ends of the clamping assembly being fixedly connected to the inner wall of the mounting cavity through connecting posts, the clamping assembly including a positioning seat, a first adjusting plate slidably disposed on both sides of the positioning seat, and a second adjusting plate disposed between the two first adjusting plates and slidably connected to the first adjusting plates, the second adjusting plate being fixedly connected to the output component, the bottom of the two first adjusting plates being respectively fixedly connected with a first clamping plate and a second clamping plate, and each of the first clamping plate and the second clamping plate having a fixing cavity for fixing the bit assembly.

[0005] By adopting the above technical solution, when the bit assembly needs to be replaced, the output of the micro cylinder is controlled by the button. The extension end of the micro cylinder drives the second adjusting plate to move downward. A set of first adjusting plates, which are slidably connected to both sides of the second adjusting plate, moves to the left and right respectively within the opening length of the moving groove under the restriction of the moving groove. The first clamping plate and the second clamping plate, which are fixed to the set of first adjusting plates respectively, move with the first adjusting plates on both sides, thereby releasing the connection between the clamping assembly and the bit assembly. Conversely, the micro cylinder is controlled to reset, and the second adjusting plate rises. Due to the sliding connection between the first adjusting plate and the second adjusting plate, the first adjusting plates located on both sides of the second adjusting plate and slidably connected to the second adjusting plate are brought closer together. At the same time, the first clamping plate and the second clamping plate are brought closer together until the replaced bit assembly is clamped.

[0006] The present invention is further configured such that: a first clamping cavity and a second clamping cavity are respectively provided on the first clamping plate and the second clamping plate, and the first clamping cavity and the second clamping cavity are combined to form a fixing cavity.

[0007] By adopting the above technical solution, a fixing cavity for fixing the bit assembly is formed by merging the first clamping cavity and the second clamping cavity. The fixing cavity is used to fix the bit assembly and also to restrict the bit assembly.

[0008] The present invention is further configured such that: a movable groove is provided through the positioning seat, and the two first adjusting plates slide on the left and right sides of the movable groove.

[0009] By adopting the above technical solution, the output component controls the second adjusting plate to move downward, and the first adjusting plate, which is slidably connected to the second adjusting plate, slides to the left and right respectively under the constraint of the moving groove.

[0010] The present invention is further configured such that: a first limiting groove is provided on both sides of the inner wall of the moving groove, and the two sides of the first adjusting plate are slidably connected to the first limiting groove.

[0011] By adopting the above technical solution, the movement of the first adjusting plate is further restricted by the first limiting groove.

[0012] The present invention is further configured such that: a second limiting groove is provided on the first adjusting plate, and the second adjusting plate is slidably connected to the second limiting groove.

[0013] By adopting the above technical solution, the second adjusting plate is slidably connected to the first adjusting plate through the second limiting groove. When the second adjusting plate moves downward, the first adjusting plates sliding on both sides of the second adjusting plate slide to the left and right respectively under the constraint of the moving groove. At this time, the first clamping plate and the second clamping plate that slide synchronously with the first adjusting plate are in a state of separation.

[0014] The present invention is further configured such that: the output component includes a miniature cylinder disposed on the positioning seat, and the telescopic end of the miniature cylinder is fixedly connected to the second adjusting plate through a column.

[0015] By adopting the above technical solution, the output of the miniature cylinder drives the column to move downward, thereby driving the second adjusting plate, which is fixedly connected to the column, to move downward.

[0016] The present invention is further configured such that a button for controlling the output of the micro cylinder is provided on the outside of the handle.

[0017] By adopting the above technical solution, the button is electrically connected to the miniature cylinder to control the output state of the miniature cylinder. Electrical connection is a common method in this field, so it will not be described in detail in this application text.

[0018] In summary, this utility model has the following beneficial effects:

[0019] This technology provides a screwdriver bit connection assembly that enables quick and easy installation and removal, and provides a secure connection. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 This is a top view of the present invention;

[0022] Figure 3 for Figure 2 AA sectional view.

[0023] In the diagram: 1. Handle; 2. Button; 3. Bit assembly; 4. Miniature cylinder; 5. Positioning seat; 6. Second adjusting plate; 7. Second limiting groove; 8. First adjusting plate; 9. First clamping plate; 10. Connecting column; 11. Housing cavity; 12. Connecting end; 13. Second clamping plate; 14. First limiting groove; 15. Column. Detailed Implementation

[0024] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of this application can be combined with each other.

[0025] In the description of this utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "set up / connected," "connected," etc., should be interpreted broadly. For example, "connection" 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 a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] The present invention will now be described in detail with reference to the accompanying drawings.

[0028] A screwdriver bit connection assembly, such as Figure 1-3 As shown, the device includes a handle 1 and several bit assemblies 3. The top of the bit assemblies 3 is provided with a connecting end 12 that is detachably connected to the handle 1. The handle 1 is provided with a mounting cavity 11. The mounting cavity 11 is provided with a clamping assembly and an output component that controls the output of the clamping assembly. The two ends of the clamping assembly are fixedly connected to the inner wall of the mounting cavity 11 through connecting posts 10. The clamping assembly includes a positioning seat 5, a first adjusting plate 8 that is slidably disposed on both sides of the positioning seat 5, and a second adjusting plate 6 that is disposed between the two first adjusting plates 8 and slidably connected to the first adjusting plates 8. The second adjusting plate 6 is fixedly connected to the output component. The bottom of the two first adjusting plates 8 is respectively fixedly connected with a first clamping plate 9 and a second clamping plate 13. The first clamping plate 9 and the second clamping plate 13 are each provided with a fixing cavity for fixing the bit assembly 3.

[0029] The first clamping plate 9 and the second clamping plate 13 are respectively provided with a first clamping cavity and a second clamping cavity. The first clamping cavity and the second clamping cavity are combined to form a fixed cavity. The positioning seat 5 is provided with a moving groove. The two first adjusting plates 8 slide on the left and right sides of the moving groove. The inner wall of the moving groove is provided with a first limiting groove 14 on both sides. The two sides of the first adjusting plate 8 are slidably connected to the first limiting groove 14. The first adjusting plate 8 is provided with a second limiting groove 7. The second adjusting plate 6 is slidably connected to the second limiting groove 7.

[0030] The output component includes a miniature cylinder 4 mounted on the positioning seat 5. The telescopic end of the miniature cylinder 4 is fixedly connected to the second adjusting plate 6 via the column 15. The output of the miniature cylinder 4 drives the column 15 to move downward, thereby driving the second adjusting plate 6 fixedly connected to the column 15 to move downward. A button 2 for controlling the output of the miniature cylinder 4 is provided on the outside of the handle 1.

[0031] Working principle: When the bit assembly 3 needs to be replaced, the micro cylinder 4 is controlled by button 2. The telescopic end of the micro cylinder 4 drives the second adjusting plate 6 to move downward. A set of first adjusting plates 8, which are slidably connected to both sides of the second adjusting plate 6, moves to the left and right respectively within the opening length of the moving groove under the restriction of the moving groove. The first clamping plate 9 and the second clamping plate 13, which are fixed to the set of first adjusting plates 8 respectively, move with the first adjusting plates 8 on both sides, thereby releasing the connection between the clamping assembly and the bit assembly 3. Conversely, the micro cylinder 4 is controlled to reset, and the second adjusting plate 6 rises. Due to the sliding connection between the first adjusting plate 8 and the second adjusting plate 6, the first adjusting plates 8 located on both sides of the second adjusting plate 6 and slidably connected to the second adjusting plate 6 move closer to each other. At the same time, the first clamping plate 9 and the second clamping plate 13 move closer to each other until the replaced bit assembly 3 is clamped.

[0032] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A screwdriver bit connection assembly, comprising a handle (1) and a plurality of bit assemblies (3), wherein the top of the plurality of bit assemblies (3) is provided with a connecting end (12) detachably connected to the handle (1), characterized in that: The handle (1) is provided with a mounting cavity (11), and the mounting cavity (11) is provided with a clamping assembly and an output component for controlling the output of the clamping assembly. The two ends of the clamping assembly are fixedly connected to the inner wall of the mounting cavity (11) through connecting posts (10). The clamping assembly includes a positioning seat (5), a first adjusting plate (8) slidably disposed on both sides of the positioning seat (5), and a second adjusting plate (6) disposed between the two first adjusting plates (8) and slidably connected to the first adjusting plate (8). The second adjusting plate (6) is fixedly connected to the output component. The bottom of the two first adjusting plates (8) is fixedly connected with a first clamping plate (9) and a second clamping plate (13). The first clamping plate (9) and the second clamping plate (13) are each provided with a fixing cavity for fixing the bit assembly (3).

2. The screwdriver bit connecting assembly according to claim 1, characterized in that: The first clamping plate (9) and the second clamping plate (13) are respectively provided with a first clamping cavity and a second clamping cavity, and the first clamping cavity and the second clamping cavity are combined to form a fixed cavity.

3. The screwdriver bit connecting assembly according to claim 1, characterized in that: The positioning seat (5) has a through-hole for a moving groove, and the two first adjusting plates (8) slide on the left and right sides of the moving groove.

4. A screwdriver bit connecting assembly according to claim 3, characterized in that: The inner wall of the movable groove is provided with a first limiting groove (14) on both sides, and the two sides of the first adjusting plate (8) are slidably connected to the first limiting groove (14).

5. A screwdriver bit connecting assembly according to claim 1, characterized in that: The first adjusting plate (8) is provided with a second limiting groove (7), and the second adjusting plate (6) is slidably connected to the second limiting groove (7).

6. A screwdriver bit connecting assembly according to claim 1, characterized in that: The output component includes a miniature cylinder (4) mounted on a positioning seat (5), and the telescopic end of the miniature cylinder (4) is fixedly connected to the second adjusting plate (6) via a column (15).

7. A screwdriver bit connecting assembly according to claim 6, characterized in that: The handle (1) has a button (2) on its outer side for controlling the output of the micro cylinder (4).

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