A spanner with a star-shaped head
By designing movable blocks and components, the Torx wrench solves the problem of fixed wrench size, enabling a single wrench to adapt to the tightening of nuts or bolts of different specifications, thus improving ease of operation and efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 新疆中能万源化工有限公司
- Filing Date
- 2025-06-07
- Publication Date
- 2026-06-02
AI Technical Summary
Traditional box wrenches have a fixed opening size, which cannot be used to fit bolts or nuts of different sizes. This forces maintenance personnel to carry multiple wrenches of different sizes, reducing the ease of operation.
A box-shaped screwdriver was designed. By setting a movable moving block and moving component in the screwdriver mouth, and using the first and second turning grooves to match the corners of the nut or bolt, it can turn nuts or bolts of different sizes.
It enables a single wrench to be used to tighten nuts or bolts of different sizes, improving ease of operation and efficiency.
Smart Images

Figure CN224310517U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of tool technology, and in particular to a box-shaped screwdriver. Background Technology
[0002] A box wrench is a commonly used hand tool with closed or semi-closed ring-shaped structures at both ends. The inner wall has a 12-pointed box wrench (double hexagonal) tooth profile, which can tightly fit the hexagonal head of a bolt or nut.
[0003] In the fields of mechanical assembly, maintenance, and industrial manufacturing, box wrenches are commonly used hand tools. They typically have fixed-size box-shaped jaws at both ends for tightening or loosening hexagonal bolts or nuts. However, traditional box wrenches have fixed jaw sizes and can only fit bolts or nuts of specific sizes. Therefore, maintenance personnel need to carry multiple wrenches of different sizes during operation, which reduces the convenience of operation. Therefore, this solution proposes a box wrench to solve the above problems. Utility Model Content
[0004] The purpose of this utility model is to provide a box-shaped screwdriver to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a box-shaped screwdriver, comprising:
[0006] handle;
[0007] A wrench head, which is fixedly connected to one side of the handle;
[0008] A wrench is fixedly connected to one side of a wrench head, and a first turning groove is provided in the middle of the wrench.
[0009] Press plate, the press plate being fixedly connected to the top of the lever opening;
[0010] A movable block is inserted and connected to one side of the wrench, and a second turning groove is provided on one side of the movable block;
[0011] A movable component is disposed on one side of the movable block, and the movable component is used to move the position of the movable block.
[0012] Preferably, the top of the handle has a rotating hole, the middle of the pressing plate has a through hole, and the top and bottom of the wrench head are symmetrically provided with anti-slip textures.
[0013] Preferably, the moving component includes:
[0014] A drive block is fixedly connected to one side of a movable block. A storage groove is provided on one side of the wrench head, and the drive block is inserted into the inside of the storage groove.
[0015] The threaded rod has a threaded groove in the middle of the driving block, and the threaded rod is threadedly inserted into the inside of the threaded groove.
[0016] A rotating component, wherein the rotating component is disposed on one side of the threaded rod;
[0017] A limiting member is disposed on one side of the driving block.
[0018] Preferably, the rotating component includes a connecting rod fixedly connected to one end of the threaded rod, and a torsion cap is fixedly connected to one end of the connecting rod.
[0019] Preferably, the handle has a first through hole in the middle, the wrench head has a second through hole in the middle, and the connecting rod is sequentially inserted into the first through hole and the second through hole.
[0020] Preferably, a limiting disc is inserted inside the storage slot, and the limiting disc is sleeved on one side of the connecting rod.
[0021] Preferably, the limiting member includes a limiting rod fixedly connected to one side of the driving block, and a limiting groove is provided on the inner wall of one side of the storage groove, with the limiting rod inserted into the inside of the limiting groove.
[0022] The technical effects and advantages of this utility model are as follows:
[0023] This invention, through the design of a movable block, a second tightening groove, and a movable component, allows the wrench to be fitted onto the nut during use. The movable component then moves the movable block, causing it to fit onto one corner of the nut via the second tightening groove. The side of the nut or bolt away from the movable block is in contact with the inner wall of the wrench, thus confining the nut or bolt inside the wrench. When it is necessary to tighten the nut or bolt, the wrench head can be used to rotate the wrench and the nut or bolt, thereby enabling the tightening of nuts or bolts of different sizes. Attached Figure Description
[0024] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0025] Figure 2 This is a top view of the structure of this utility model.
[0026] Figure 3 This is a front cross-sectional view of the present invention.
[0027] Figure 4 This utility model Figure 3 Enlarged structural diagram of section A.
[0028] In the diagram: 1. Handle; 101. Rotating hole; 2. Wrench head; 3. Wrench mouth; 301. First turning groove; 4. Press plate; 401. Through hole; 5. Anti-slip texture; 6. Moving block; 601. Second turning groove; 7. Moving component; 701. Driving block; 702. Storage groove; 703. Threaded groove; 704. Threaded rod; 705. Connecting rod; 706. Torque cap; 8. Limiting component; 801. Limiting rod; 802. Limiting groove; 9. Limiting disc. Detailed Implementation
[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0030] This utility model provides, for example Figure 1-4 Shown:
[0031] Example 1:
[0032] A type of box-shaped change wrench includes:
[0033] Handle 1;
[0034] Wrench head 2 is fixedly connected to one side of handle 1;
[0035] The wrench 3 is fixedly connected to one side of the wrench head 2, and a first turning groove 301 is provided in the middle of the wrench 3.
[0036] Press plate 4 is fixedly connected to the top of the lever 3;
[0037] The movable block 6 is inserted and connected to one side of the flange 3, and a second turning groove 601 is provided on one side of the movable block 6;
[0038] The movable component 7 is located on one side of the movable block 6 and is used to move the position of the movable block 6.
[0039] It should be noted that both the first tightening groove 301 and the second tightening groove 601 are triangular grooves, with one angle being 120 degrees, the same as the angle of the nut or bolt. In use, the wrench jaw 3 is fitted onto the outer wall of the nut or bolt, so that the edges of the nut or bolt are inserted into the first tightening groove 301 or the second tightening groove 601. The handle 1 rotates the wrench jaw 3, and the inclined side of the first tightening groove 301 or the second tightening groove 601 rotates the nut or bolt, thus tightening it. When it is necessary to tighten the nut or bolt... When turning nuts or bolts with inconsistent opening sizes (mouth 3), first, the wrench 3 is fitted onto the nut or bolt. The moving component 7 drives the moving block 6 to move, so that the moving block 6 is fitted onto one corner of the nut or bolt through the second turning groove 601. The side of the nut or bolt away from the moving block 6 fits against the inner wall of the wrench 3, thereby confining the nut or bolt inside the wrench 3. When it is necessary to turn the nut or bolt, the wrench head 2 can be used to drive the wrench 3 and the nut or bolt to rotate, thereby enabling the turning of nuts or bolts of different sizes.
[0040] Specifically, the top of the handle 1 has a rotating hole 101, the middle of the pressing plate 4 has a through hole 401, and the top and bottom of the wrench head 2 are symmetrically provided with anti-slip textures 5.
[0041] It should be noted that the rotating hole 101 is provided for the rod-shaped object to pass through. When it is impossible to twist the object with one hand, the rod-shaped object is passed through the rotating hole 101, thereby increasing the contact area of the wrench. At the same time, the wrench can be turned with the help of tools or multiple people holding the rod-shaped object. The wrench mouth 3 is provided with a through hole in the middle, and a first twisting groove 301 in the shape of a plum blossom is provided inside the through hole.
[0042] Example 2:
[0043] Movable component 7 is used in the wrench of embodiment one;
[0044] Specifically, mobile component 7 includes:
[0045] Drive block 701 is fixedly connected to one side of movable block 6. A storage groove 702 is provided on one side of wrench head 2, and drive block 701 is inserted into the inside of storage groove 702.
[0046] The threaded rod 704 has a threaded groove 703 in the middle of the drive block 701, and the threaded rod 704 is threadedly inserted into the inside of the threaded groove 703.
[0047] A rotating component is located on one side of the threaded rod 704;
[0048] Limiting component 8 is located on one side of the driving block 701.
[0049] Specifically, the rotating component includes a connecting rod 705 fixedly connected to one end of the threaded rod 704, and a torsion cap 706 fixedly connected to one end of the connecting rod 705.
[0050] It should be noted that the threaded groove 703 is adapted to the threaded rod 704, so that the threaded rod 704 can pass into the interior of the threaded groove 703; when it is necessary to move the moving block 6, the rotating component drives the threaded rod 704 to rotate, and the threaded rod 704 drives the moving block 701, which is threaded to it and cannot rotate, to move, and the moving moving block 6 is driven by the moving moving block 701.
[0051] Specifically, a first through hole is provided in the middle of the handle 1, and a second through hole is provided in the middle of the wrench head 2. The connecting rod 705 is sequentially inserted into the inside of the first through hole and the second through hole.
[0052] Specifically, a limiting disc 9 is interwoven inside the storage slot 702, and the limiting disc 9 is sleeved on one side of the connecting rod 705.
[0053] It should be noted that the limiting plate 9 is fitted against the inner wall of one side of the storage slot 702 and is fixedly connected to the connecting rod 705. The toggle cap 706 is fitted against one side of the handle 1 and is fixedly connected to the connecting rod 705. The position of the connecting rod 705 is restricted by the limiting plate 9 and the toggle cap 706 to prevent the connecting rod 705 from moving.
[0054] Specifically, the limiting component 8 includes a limiting rod 801 fixedly connected to one side of the driving block 701, and a limiting groove 802 is provided on the inner wall of one side of the storage groove 702, with the limiting rod 801 inserted into the inside of the limiting groove 802.
[0055] It should be noted that the number of limiting rods 801 is at least two, and the multiple limiting rods 801 are arranged in parallel. The number of limiting slots 802 is the same as the number of limiting rods 801, and the multiple limiting rods 801 are respectively inserted and connected inside the multiple limiting slots 802. The driving block 701 is restricted by the multiple limiting rods 801 to prevent the driving block 701 from rotating inside the storage slot 702.
[0056] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A box-shaped screwdriver, characterized in that, include: Handle (1); A wrench head (2) is fixedly connected to one side of the handle (1); A wrench (3) is fixedly connected to one side of a wrench head (2), and a first turning groove (301) is provided in the middle of the wrench (3); Press plate (4), which is fixedly connected to the top of the flange (3); A movable block (6) is inserted and connected to one side of the wrench (3), and a second turning groove (601) is provided on one side of the movable block (6); A moving component (7) is disposed on one side of the moving block (6) and is used to move the position of the moving block (6).
2. The box-shaped screwdriver according to claim 1, characterized in that, The top of the handle (1) is provided with a rotating hole (101), the middle of the pressing plate (4) is provided with a through hole (401), and the top and bottom of the wrench head (2) are symmetrically provided with anti-slip textures (5).
3. A box-shaped screwdriver according to claim 1, characterized in that, The moving component (7) includes: A drive block (701) is fixedly connected to one side of a moving block (6). A storage groove (702) is provided on one side of the wrench head (2), and the drive block (701) is inserted into the inside of the storage groove (702). The threaded rod (704) has a threaded groove (703) in the middle of the drive block (701), and the threaded rod (704) is threadedly inserted into the inside of the threaded groove (703); A rotating component, the rotating component being disposed on one side of the threaded rod (704); A limiting member (8) is disposed on one side of the driving block (701).
4. A box-shaped screwdriver according to claim 3, characterized in that, The rotating component includes a connecting rod (705) fixedly connected to one end of the threaded rod (704), and a torsion cap (706) is fixedly connected to one end of the connecting rod (705).
5. A box-shaped screwdriver according to claim 4, characterized in that, The handle (1) has a first through hole in the middle, the wrench head (2) has a second through hole in the middle, and the connecting rod (705) is inserted into the first through hole and the second through hole in sequence.
6. A box-shaped screwdriver according to claim 4, characterized in that, A limiting disc (9) is inserted inside the storage slot (702), and the limiting disc (9) is sleeved on one side of the connecting rod (705).
7. A box-shaped screwdriver according to claim 3, characterized in that, The limiting member (8) includes a limiting rod (801) fixedly connected to one side of the driving block (701), and a limiting groove (802) is provided on the inner wall of one side of the storage groove (702), and the limiting rod (801) is inserted into the inside of the limiting groove (802).