Folding screwdriver

Abstract

The utility model discloses a folding screwdriver, and relates to the technical field of hardware tools. The folding screwdriver comprises a screwdriver rod, a screwdriver handle arranged outside the screwdriver rod in a sleeved mode and screwdriver heads installed at the two ends of the screwdriver rod, folding grooves are symmetrically formed in the two ends of the screwdriver rod, and screwdriver holders are movably installed in the folding grooves through rotating shafts. In order to overcome the defects that when a screwdriver is used, a screwdriver head is exposed outside, is easy to damage and is inconvenient to carry, different screwdriver heads are installed at the two ends of a screwdriver rod, the multifunctionality of the screwdriver can be improved, the screwdriver head can be stored through a folding groove, the screwdriver head is prevented from being exposed outside and collided, and when the screwdriver head is stored in the folding groove, the screwdriver head can be conveniently folded. And a worker can carry the device conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of hardware tools, in particular to a foldable screwdriver. Background Art

[0002] A screwdriver is a tool used to tighten or loosen screws, and is widely used in various fields such as home repair, mechanical assembly, electronic product disassembly and assembly, and automobile maintenance. The common screwdrivers currently on the market are screwdrivers with the blade and handle fixed together. They have a stable structure and are easy to operate. However, since the blade is often exposed to the outside, it is easily damaged by external bumps. Moreover, when the blade is long, it will take up a large space and is not convenient to carry.

[0003] Therefore, in order to solve the defects that the screwdriver head is exposed and easily damaged when in use and is inconvenient to carry around, it is necessary to propose a foldable screwdriver. Utility Model Content

[0004] The purpose of the utility model is to provide a foldable screwdriver, which can improve the versatility of the screwdriver by installing different blade heads at both ends of the blade rod, and the blade heads can be stored in the folding groove to avoid being exposed to the outside and being bumped. When the blade heads are stored in the folding groove, workers can carry them conveniently, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A folding screwdriver comprises a shank, a shank sleeved on the shank and a cutter head mounted on both ends of the shank, wherein folding grooves are symmetrically formed at both ends of the shank, and a cutter seat is movably mounted in the folding groove via a rotating shaft;

[0007] The handle is hollow inside and has patterns carved on its outer wall. A fixing plate is provided at the bottom end of the handle. Positioning rods are welded in a circular array on the lower surface of the fixing plate. The bottom end of the positioning rods is provided with threads and is threadedly connected with nuts.

[0008] The cutter head is detachably mounted in the cutter seat, a limiting block is fixed on the top of the cutter head, and a limiting groove matched with the limiting block is provided in the cutter seat.

[0009] Preferably, the knife rod is provided with a first flange plate used in conjunction with the fixing plate, there are two first flange plates which are symmetrically arranged up and down, and the first flange plate is provided with a positioning hole which is adapted to the positioning rod.

[0010] Preferably, a second flange is provided at the bottom end of the tool holder, a third flange used in conjunction with the second flange is provided on the tool head, and the second flange is fixedly connected to the third flange by bolts.

[0011] Preferably, the knife seat is provided with positioning grooves symmetrically arranged up and down about the rotating shaft, and the knife seat is fixedly connected to the folding groove via the positioning grooves and a pin shaft.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. This foldable screwdriver can enhance the versatility of the screwdriver by installing different blade heads at both ends of the blade rod. It is suitable for screws of different specifications and types. The blade head and the blade holder are detachably connected. The blade head of corresponding specifications can be replaced according to actual needs. There is no need to carry multiple screwdrivers with single functions. Only one screwdriver handle with different blade heads is needed. This saves costs and is also convenient for cleaning and maintaining the blade head.

[0014] 2. The foldable screwdriver can store the blade through the folding groove to avoid the blade being exposed to the outside and bumped, thereby increasing the service life of the blade. When the blade is long, the protruding blade will take up a large space. Folding the blade for storage makes it convenient for workers to carry it with them. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the connection between the handle and the shank of the utility model;

[0017] Figure 3 This is a schematic diagram of the connection between the cutter head and the cutter rod of the utility model;

[0018] Figure 4 It is a schematic diagram of the connection between the cutter head and the cutter seat of the utility model.

[0019] In the figure: 1. tool rod; 11. first flange; 12. folding groove; 13. rotating shaft; 14. tool holder; 15. second flange; 16. positioning groove; 17. limiting groove; 2. tool handle; 21. fixing plate; 22. positioning rod; 3. tool head; 31. third flange; 32. limiting block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] To solve the technical problem of screwdriver folding the blade, please refer to Figure 1-Figure 3, this embodiment provides the following technical solutions:

[0022] A folding screwdriver comprises a shank 1, a shank 2 sleeved on the shank 1 and a cutter head 3 installed at both ends of the shank 1, folding grooves 12 are symmetrically provided at both ends of the shank 1, a shank seat 14 is movably installed in the folding groove 12 via a rotating shaft 13, positioning grooves 16 are symmetrically provided on the shank 14 about the rotating shaft 13, and the shank 14 is fixedly connected to the folding groove 12 via the positioning groove 16 and a pin shaft.

[0023] Specifically, when the cutter head 3 is not needed, the pin shaft can be removed from the positioning groove 16, and then the cutter head 3 is rotated until the cutter head 3 and the cutter seat 14 are completely transferred into the folding groove 12, and then the pin shaft is reinserted into the positioning groove 16 to fix the cutter seat 14 and the cutter rod 1, so that the folding groove 12 can store the cutter head 3 and the cutter seat 14, thereby preventing the cutter head 3 from being exposed to the outside and being easily bumped, thereby increasing the service life of the cutter head 3, and the cutter head 3 can be folded to reduce the occupied space, making it convenient to carry.

[0024] To solve the technical problem of how to fix the tool handle to the tool bar, please refer to Figure 1-Figure 2 , this embodiment provides the following technical solutions:

[0025] The interior of the knife handle 2 is hollow and the outer wall is carved with patterns. A fixed plate 21 is provided at the bottom end of the knife handle 2. A positioning rod 22 is welded in a circular array on the lower surface of the fixed plate 21. The bottom end of the positioning rod 22 is provided with a thread and a nut is threadedly connected. The knife rod 1 is provided with a first flange 11 used in conjunction with the fixed plate 21. There are two first flanges 11 and they are symmetrically arranged up and down. A positioning hole that is compatible with the positioning rod 22 is provided on the first flange 11.

[0026] Specifically, first assemble the cutter head 3 of appropriate specifications, then screw the required cutter head 3 outward and fix it through the pin shaft, and then put the handle 2 on the outer end of the tool rod 1 that is not needed temporarily until the fixed disk 21 fits with the first flange 11. At this time, the positioning rod 22 is inserted into the positioning hole on the first flange 11, and then the nut is tightened on the end of the positioning rod 22, so that the fixed disk 21 is fixed to the first flange 11, thereby realizing the installation of the handle 2 and the tool rod 1.

[0027] The tool handle 2 is installed to facilitate workers to hold the tool rod 1 so that they can exert force better and use the screwdriver better.

[0028] To solve the technical problem of how to disassemble and assemble the screwdriver head, please refer to Figure 4 , this embodiment provides the following technical solutions:

[0029] The cutter head 3 is detachably installed in the cutter seat 14, a limiting block 32 is fixed on the top of the cutter head 3, a limiting groove 17 adapted to the limiting block 32 is opened in the cutter seat 14, a second flange 15 is provided at the bottom end of the cutter seat 14, and a third flange 31 used in conjunction with the second flange 15 is provided on the cutter head 3, and the second flange 15 and the third flange 31 are fixedly connected by bolts.

[0030] Specifically, when the cutter head 3 needs to be replaced, the bolts on the second flange 15 and the third flange 31 can be removed, and the cutter head 3 can be pulled down in the cutter seat 14 until the limit block 32 leaves the limit groove 17, and the cutter head 3 is removed. Then a new cutter head 3 is selected, and the limit block 32 on the cutter head 3 is aligned with the limit groove 17 and inserted until the second flange 15 and the third flange 31 are in contact with each other. Finally, the second flange 15 and the third flange 31 are fixed with bolts to achieve the installation of the new cutter head 3.

[0031] Working principle: For this foldable screwdriver, first select two blade heads 3 of suitable specifications according to the needs, install the two blade heads 3 in two blade seats 14 respectively, then select a blade head 3 to be used, rotate the other blade head 3 into the folding groove 12, and then install the handle 2 outside the blade head 3, which is convenient for using the screwdriver. After use, rotate the blade head 3 into the folding groove 12 to reduce the occupied space and facilitate carrying.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A folding screwdriver, comprising a shank (1), a handle (2) sleeved on the shank (1), and a cutter head (3) mounted on both ends of the shank (1), characterized in that: Folding grooves (12) are symmetrically formed at both ends of the knife rod (1), and a knife seat (14) is movably mounted in the folding groove (12) via a rotating shaft (13); The interior of the knife handle (2) is hollow and the outer wall is carved with patterns. A fixing plate (21) is provided at the bottom end of the knife handle (2). Positioning rods (22) are welded in a circular array on the lower surface of the fixing plate (21). The bottom end of the positioning rods (22) is provided with threads and is threadedly connected to nuts. The cutter head (3) is detachably mounted in the cutter seat (14); a limiting block (32) is fixed on the top of the cutter head (3); and a limiting groove (17) adapted to the limiting block (32) is provided in the cutter seat (14).

2. A foldable screwdriver according to claim 1, characterized in that: The knife rod (1) is provided with a first flange (11) for use with the fixing plate (21), the first flange (11) being provided in two pieces and symmetrically arranged up and down, and the first flange (11) is provided with a positioning hole adapted to the positioning rod (22).

3. A foldable screwdriver according to claim 1, characterized in that: A second flange (15) is provided at the bottom end of the knife seat (14), and a third flange (31) used in conjunction with the second flange (15) is provided on the knife head (3), and the second flange (15) and the third flange (31) are fixedly connected by bolts.

4. A foldable screwdriver according to claim 1, characterized in that: The knife seat (14) is provided with positioning grooves (16) symmetrically arranged up and down about the rotating shaft (13); the knife seat (14) is fixedly connected to the folding groove (12) via the positioning grooves (16) and the pin shaft.

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