Structure of tool screw transmission connection
The tool screw transmission joint structure allows a single tool rod to connect with various adapter tools, addressing the need for dedicated rods by enhancing versatility and reducing costs and storage needs.
Patent Information
- Application Number
- JP2023120711
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2023-07-25
- Publication Date
- 2025-02-06
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Existing tool joint structures require dedicated tool rods for each adapter tool, leading to increased costs, space usage, and storage inconvenience due to the inability to clamp and fix with clamping heads of electric or pneumatic tools.
A tool screw transmission joint structure featuring a polygonal rod shaft with an insertion end, adapter end, and an embedded portion, allowing a single tool rod to connect with various adapter tools through a covering part with a polygonal body and stopper, enabling universal application across different adapter tools.
Enables a single tool rod to be used with multiple adapter tools, reducing costs and storage space requirements while providing convenience and ease of use.
Smart Images

Figure 2025017577000001_ABST
Abstract
Description
[Technical field]
[0001] The present invention relates to a joint structure (connection structure) of tool screw transmission, which can be applied to various types of adapter tools. [Background technology]
[0002] Up until now, the existing conventional tool joint structure is mainly disclosed in Taiwan Invention Patent No. I338608, which includes a grip (1), a fixed base (2) and an unlocking part (3), in which one side of the grip (1) is combined with the fixed base (2), and the fixed base (2) is used to install and fix the tool rod (4) having a replacement effect, and the fixed base (2) is provided with a storage part (224) for storing the unlocking part (3) and at least one support part (225), and the unlocking part (3) is provided with a storage part (224) for storing the unlocking part (3). At least one surrounding part (32) is provided on the tool (3), and the surrounding part (32) is partially in contact with the support part (225), and one side of the surrounding part (32) extends into the fixed base (2) and can fix the tool rod (4). When the unlocking part (3) is subjected to force, the surrounding part (32) can protrude on one side with the contact point with the support part (225) as a fulcrum, thereby releasing the fixation with the tool rod (4), thereby achieving the effect that the tool rod (4) can be easily replaced.
[0003] However, the above-mentioned conventional structure has the following problems in practical application: the tool rod (4) can only be combined and connected with the grip (1), and cannot be clamped and fixed on the clamping head of the electric or pneumatic tool, so that fast screwing cannot be achieved, and the tool rod (4) cannot be used alone, so that the applicability of the structure is poor, and when at least one dedicated tool rod (4) must be prepared for each adapter tool (i.e., the grip, electric tool, or pneumatic tool), the cost of use is high, and it takes up a relatively large space and is troublesome not only to store but also to place.
[0004] Therefore, the present inventor has considered this, come up with a creative idea, designed it based on his many years of experience, and completed the present invention after many discussions, trial tests of samples, and some modifications and improvements. Summary of the Invention [Problem to be solved by the invention]
[0005] These are technical problems to be solved because the rods of the conventional tools can only be combined and connected with the grips, and cannot be provided for use with different adapter tools. [Means for solving the problem]
[0006] The tool screw transmission joint structure of the present invention includes a tool rod, the tool rod having a polygonal rod shaft, a plug end at a front end of the rod shaft and an adapter end at a rear end different from the plug end, the rod shaft having a recessed portion at an end close to the adapter end, a covering part being provided on the outer periphery of the rod shaft between the plug end and the recessed portion, the covering part having a polygonal body, a slot being provided around the front half of the body, and a stopper being connected to the front end in an expanding manner, the stopper, the slot, the body, the adapter end and the recessed portion are provided simultaneously, so that a single tool rod can be used for different adapter tools and connected to each other, and the tool rod can be applied to all different types of adapter tools, thereby achieving the tool screw transmission joint structure. Compared with the prior art, the advantages of the present invention are: In the tool screw transmission joint structure of the present invention, the tool rod can be used for and connected to multiple adapter tools, and the tool rod is universally applicable to multiple adapter tools, eliminating the need to prepare at least one dedicated tool rod for each different adapter tool. This has the advantages of lowering the usage cost of the tool rod, saving space for storage and placement, and being convenient. [Brief description of the drawings]
[0007] [Figure 1] FIG. [Diagram 2] FIG. 2 is a plan view of the present invention. [Diagram 3] FIG. 1 is a state diagram showing how the present invention can be applied to multiple types of adapter tools. [Figure 4] FIG. 4 is a diagram showing a state in which the present invention is used in combination with an electric tool. [Diagram 5] FIG. 2 is a diagram showing a state in which the present invention is used in combination with a grip. [Figure 6] FIG. 2 is a diagram showing the state in which the present invention is used in conjunction with a rotating sleeve. [Figure 7] FIG. 4 is a diagram showing a state in which the present invention is rotated after being joined to a rotating sleeve. [Figure 8] 1 is a drawing of another embodiment of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0008] In order to make the objects, features and advantages of the present invention more easily understood and appreciated, the following detailed description is given with reference to the drawings, in which:
[0009] Generally, according to the present invention, as shown in Figs. 1 to 3, a tool rod (10) has a polygonal rod shaft (11), a plug end (12) is provided at a front end of the rod shaft (11) and an adapter end (13) is provided at a rear end different from the plug end (12). The rod shaft (11) has a recessed portion (14) at an end close to the adapter end (13). A covering part (15) is provided on the outer circumference of the rod shaft (11) between the plug end (12) and the recessed portion (14), and the covering part (15) has a polygonal shape. The adapter tool (20) has a main body (151) having a slot (152) formed around the front half of the main body (151), and a stopper (153) is formed at the front end of the main body (151) and connected thereto in an expanding manner. By using the stopper (153), the slot (152), the main body (151), the adapter end (13) and the embedded portion (14) simultaneously, a single tool rod (10) can be used for different adapter tools (20) and connected to each other, so that the tool rod (10) can be applied to all different types of adapter tools (20).
[0010] The present invention provides a joint structure for tool screw transmission, in which the plug end (12) serves as a socket, which can be fitted with a screwdriver tip (30) or a bolt to be fixed.
[0011] The present invention provides a structure of joint for tool screw transmission, in which the plug end (12) is a socket, and a magnet (121) is embedded in the socket.
[0012] The present invention provides a tool screw transmission joint structure, in which the plug end (12) is provided in the form of a Phillips screwdriver, a flat head screwdriver, a hexagonal wrench, etc.
[0013] The present invention provides a structure of a tool screw transmission joint, in which the recessed portion (14) is a circular groove (142) (as shown in Figures 1 to 7), and the tool rod (10) is fitted into the adapter tool (20) through the circular groove (142).
[0014] The present invention provides a joint structure of tool screw transmission, in which the recessed portion (14) is a buckle slot (142) provided at each corner edge of the rod shaft (11) (as shown in FIG. 8), and the tool rod (10) is adapted to fasten the flexible C-type buckle (not shown) of the adapter tool (20) through these buckle slots (142).
[0015] The present invention provides a structure of joint of tool screw transmission, in which the rod shaft (11) and the body (151) are all hexagonal.
[0016] The present invention provides a structure of a joint for tool screw transmission, in which the covering part (15) is an insulator.
[0017] The present invention provides a structure of tool screw transmission joint, in which the stopper (153) is in a cone shape (as shown in FIG. 7) which is easy to hold and turn.
[0018] According to the above structure, when the adapter tool (20) is an electric tool (21, or pneumatic tool), and is used, the adapter end (13) is inserted into the clamping head (211) of the electric tool (21, or pneumatic tool), and the clamping head (211) clamps the rod shaft (11) of the tool rod (10) (as shown in FIG. 4), so that when the electric tool (21, or pneumatic tool) is turned on, the electric tool (21, or pneumatic tool) moves the tool rod (10) to generate a continuous rotation; when the grip (22) is used instead of the adapter tool (20), the tool rod (10) is instead inserted and set into the grip (22) by the body (151), and the slot (152) is engaged with the grip (22) to buckle, and the tool rod (10) is rotated by the body (151) of the grip (22). can also be applied to the grip (22) (as shown in FIG. 5), and the unlocking part (221) of the grip (22) can be used to push the slot (152) from the buckled state by the unlocking part (221), and the grip (22) can also have the function of replacing the tool rod (10). The adapter tool (20) can also be a rotating sleeve (23), and the rotating sleeve (23) can be connected to the rod shaft (11) by using the snap buckle (231) of the rotating sleeve (23) to flexibly fit into the circular groove (142) (as shown in FIG. 6), so that the electric tool (21), the pneumatic tool or the grip (22) can be used with the tool rod (10) alone (as shown in FIG. 7).
[0019] The tool screw transmission joint structure has the following advantages: the tool rod (10) can be used for and connected to multiple adapter tools (20), and the tool rod (10) is applicable to multiple adapter tools (20). This makes it possible to use a universal design that does not require at least one dedicated tool rod for each different adapter tool (20). The tool rod (10) has the advantages of low usage cost, space saving and convenience in storage and placement, etc.
[0020] The above is merely one embodiment of the present invention, and is not intended to limit the scope of the present invention. In other words, any changes or modifications made within the scope of the claims of the present invention should also fall within the scope of the present invention. [Explanation of symbols]
[0021] 10 Tool Rod 11 Rod shaft 12 Plug-in end 121 Magnet 13 Adapter end 14 Embedded part 141 Circular Groove 142 Buckle Slot 15 Covering parts 151 Main unit 152 Slots 153 Stopper 20 Adapter Tool 21 Power Tools 211 Clamping Head 22 Grip 221 Unlock Parts 23 Turning sleeve 231 Snap Buckle 30 Screwdriver tip
Claims
1. A structure of a tool screw transmission joint including a tool rod, a recessed portion formed on an end of the rod shaft close to the adapter end; and a covering part formed on the outer periphery of the rod shaft between the insertion end and the recessed portion; the covering part having a polygonal body, a slot formed in the front half of the body so as to surround the body, and a stopper formed at the front end so as to expand and connect with the body; the stopper, the slot, the body, the adapter end and the recessed portion are formed simultaneously, so that a single tool rod can be used for different adapter tools and connected to each other, and the tool rod can be applied to all different types of adapter tools.
2. 2. The joint structure of claim 1, wherein said plug end is a socket.
3. 2. The tool screw drive joint structure of claim 1, wherein said plug end is a socket, and a magnet is embedded in said socket.
4. 2. The tool screw drive joint structure of claim 1, wherein the insertion end is in the form of a Phillips head screwdriver, a flat head screwdriver, or a hexagonal wrench.
5. 2. The joint structure of a tool screw transmission according to claim 1, wherein said recessed portion is a circular groove.
6. 2. The joint structure of the tool screw transmission according to claim 1, wherein said recessed portion is a buckle slot provided at each corner edge of said rod shaft.
7. 2. The joint structure of claim 1, wherein said rod shaft and said body are all hexagonal.
8. 2. The joint structure of claim 1, wherein the covering part is an insulator.
9. 2. The joint structure of claim 1, wherein the stopper is cone-shaped so that it is easy to hold and turn.