Screwdriver with replaceable head

Abstract

The utility model relates to the technical field of screwdrivers, and discloses a screwdriver with a replaceable head, which comprises a grip, a movable frame is hinged to the inner wall of the top of the grip, a clamping box is fixedly connected to the outer wall of the top of the movable frame, an adjusting mechanism is arranged on the grip, a protection mechanism is arranged on the grip, the adjusting mechanism comprises a slide way, and the slide way is connected with the clamping box. The sliding ways are formed in the inner walls of the two sides of the grip, the inner walls of the two sides of the sliding ways are slidably connected with limiting rings, the outer walls of the tops of the limiting rings are fixedly connected with shifting pieces, and the outer wall of the bottom of the grip is fixedly connected with a clamping groove. According to the bolt cutter, through the structures of the clamping groove, the flexible column and the like, the grip is lengthened, the size is flexibly changed, the bolt cutter is suitable for being operated and used in a narrow space and a non-perpendicular screw hole, and the phenomenon that when the bolt cutter encounters a narrow caliber, the cutter handle is too wide to be inserted into a narrow opening to rotate, and the operation difficulty of workers is large is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of screwdrivers, in particular to a screwdriver with replaceable heads. Background Art

[0002] A screwdriver is a common tool used to turn a screw to put it in place. It usually has a thin wedge-shaped head that can be inserted into the slot or notch of the screw head. Screwdrivers can be divided into flat head, cross head, Pozi head, star head, square head, hexagonal head, Y-shaped head, etc. according to different head shapes. Among them, flat head and cross head are the most commonly used in our lives. They are used in installation and maintenance. It can be said that screwdrivers are used wherever there are screws. When removing the screws, the end of the rotating ball away from the handle can be placed in the palm of the hand, and the screwdriver can be placed on the screw all the time, which is convenient for rotating the screwdriver, solving the problem of the screwdriver being separated from the screw from time to time during use, and improving work efficiency;

[0003] When people need to use a different screwdriver, the existing screwdriver with replaceable heads can be pulled out of the screwdriver head in the slot, and then the replacement screwdriver head can be snapped in, which reduces economic expenditure and is convenient for operators to use and replace. However, there is the following defect: when the screwdriver encounters a narrow opening, the handle is too wide to be inserted into the narrow opening for rotation, which makes it difficult for the operator to operate. Therefore, a screwdriver with replaceable heads is proposed to solve the above problem. Utility Model Content

[0004] The utility model aims to provide a screwdriver with replaceable heads and reasonable structural design.

[0005] The technical solution adopted by the utility model to solve the above-mentioned problem is: a screwdriver with replaceable heads, comprising a handle, a movable frame is hinged on the top inner wall of the handle, a clamping box is fixedly connected to the top outer wall of the movable frame, an adjustment mechanism is provided on the handle, and a protective mechanism is provided on the handle, the adjustment mechanism comprises a slideway, the slideway is opened on the inner walls on both sides of the handle, the inner walls on both sides of the slideway are slidably connected to a limiting ring, the top outer wall of the limiting ring is fixedly connected to a paddle, the bottom outer wall of the handle is fixedly connected to a clamping groove, the top outer wall of the limiting ring is fixedly connected to a flexible column, and the end of the flexible column away from the limiting ring is fixedly connected to a mounting plate.

[0006] As a further description of the above technical solution: the protective mechanism includes a limit plate, which is slidably connected to the left inner wall of the handle, and a limit opening is provided on the side outer wall of the movable frame. The outer wall of the limit plate on the side away from the movable frame is fixedly connected with a telescopic spring, the side inner wall of the handle is slidably connected with an annular disk, and the top outer wall of the annular disk is fixedly connected with a positioning groove.

[0007] As a further description of the above technical solution: there are two paddles in total, and the top outer walls of the two paddles are clamped on the inner walls on both sides of the slot.

[0008] As a further description of the above technical solution: the mounting plate is threadedly connected to the bottom inner wall of the handle.

[0009] As a further description of the above technical solution: one end of the limit plate away from the annular disk is fixedly connected to a fixing plate, the fixing plate passes through the left outer wall of the limit plate, and the outer wall of the side of the fixing plate away from the limit plate is fixedly connected to a pull ring.

[0010] As a further description of the above technical solution: an indicator mark is provided on the side outer wall of the pull ring.

[0011] As a further description of the above technical solution: the limit plate is clamped on the inner walls on both sides of the limit opening, and one end of the telescopic spring away from the limit plate is fixedly connected to the inner wall of one side of the handle.

[0012] As a further description of the above technical solution: a screwdriver head is clamped on the top inner wall of the clamping box, and a sealing cover is slidably connected to the right inner wall of the handle.

[0013] Compared with the prior art, the utility model has the following advantages and effects:

[0014] 1. In the utility model, the handle is extended and the size is flexibly changed through structures such as a limit ring, a paddle, a slot, and a flexible column, so as to adapt to operation in narrow spaces and non-vertical screw holes, thereby improving the phenomenon that when a bolt cutter encounters a narrow aperture, the handle is too wide to be inserted into the narrow aperture for rotation, which makes operation difficult for the operator.

[0015] 2. In the utility model, the screwdriver heads are conveniently stored through the limit plate, pull ring, limit opening, annular disk and other structures, so as to avoid the screwdriver heads being exposed to the outside and protruding at the front end of the handle when not in use, which may cause scratches and wear to personnel and the outside world. At the same time, different screwdriver heads can be conveniently stored and replaced, which improves the traditional phenomenon that an additional storage box needs to be opened to replace the screwdriver heads, which is a cumbersome operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view schematic diagram of an embodiment of the utility model.

[0017] Figure 2 It is a side view schematic diagram of an embodiment of the utility model.

[0018] Figure 3 It is a schematic diagram of the adjustment mechanism of an embodiment of the utility model.

[0019] Figure 4It is a schematic diagram of the protection mechanism of an embodiment of the utility model.

[0020] Legend:

[0021] 1. Handle; 2. Movable frame; 3. Snap-in box; 4. Screwdriver head; 5. Adjustment mechanism; 51. Slide; 52. Limiting ring; 53. Pick; 54. Slot; 55. Flexible column; 56. Mounting plate; 6. Protection mechanism; 61. Limiting plate; 62. Fixing plate; 63. Pull ring; 64. Telescopic spring; 65. Limiting port; 66. Annular disk; 67. Positioning groove; 7. Sealing cover. DETAILED DESCRIPTION

[0022] The present invention will be further described in detail below with reference to the accompanying drawings and through examples. The following examples are provided to explain the present invention, but the present invention is not limited to the following examples.

[0023] See also Figure 1-Figure 4 , this embodiment: a screwdriver with replaceable head, including a handle 1, a movable frame 2 is hinged on the top inner wall of the handle 1, and the movable frame 2 is rotated and adjusted by setting the movable frame 2 itself, and a clamping box 3 is fixedly connected to the top outer wall of the movable frame 2, and the clamping box 3 is provided to facilitate the convenient replacement of screwdriver heads 4 of different specifications, an adjustment mechanism 5 is provided on the handle 1, and a protective mechanism 6 is provided on the handle 1. The adjustment mechanism 5 includes a slide 51, and the slide 51 is provided on the inner walls of both sides of the handle 1. The slide 51 is provided to facilitate limiting The limiting ring 52 moves vertically, and the inner walls on both sides of the slide 51 are slidably connected to the limiting ring 52. The top outer wall of the limiting ring 52 is fixedly connected with a paddle 53, and the slot 54 is engaged and separated by setting the paddle 53. The bottom outer wall of the handle 1 is fixedly connected with the slot 54, and the top outer wall of the limiting ring 52 is fixedly connected with a flexible column 55. By setting the flexible column 55, its own length can be extended and bent and adjusted in a narrow space. The end of the flexible column 55 away from the limiting ring 52 is fixedly connected with a mounting plate 56.

[0024] Reference Figure 2-Figure 3 There are two paddles 53, and the top outer walls of the two paddles 53 are clamped on the inner walls on both sides of the slot 54. The mounting plate 56 is threadedly connected to the bottom inner wall of the handle 1. The mounting plate 56 is provided to facilitate threaded clamping to the bottom end of the handle 1 and separation. The top inner wall of the clamping box 3 is clamped with a screwdriver head 4, and the right inner wall of the handle 1 is slidably connected with a sealing cover 7. The sealing cover 7 is provided to open and close the interior, which is convenient for people to take and place.

[0025] Reference Figure 3-Figure 4The protection mechanism 6 includes a limit plate 61, which is slidably connected to the left inner wall of the handle 1. A limit opening 65 is provided on the side outer wall of the movable frame 2. A telescopic spring 64 is fixedly connected to the outer wall of the limit plate 61 away from the movable frame 2. By setting the telescopic spring 64, the position of the limit plate 61 is reset after it moves. An annular disk 66 is slidably connected to the inner wall of the side of the handle 1. A positioning groove 67 is fixedly connected to the top outer wall of the annular disk 66. The positioning groove 67 can be provided to prevent the mis-engagement of the individual parts. Screwdriver heads 4 of different specifications, one end of the limit plate 61 away from the annular disk 66 is fixedly connected to the fixing plate 62, the fixing plate 62 passes through the left outer wall of the limit plate 61, and the outer wall of the side of the fixed plate 62 away from the limit plate 61 is fixedly connected to the pull ring 63, and the side outer wall of the pull ring 63 is provided with an indication mark, by setting the indication mark, the operation method is prompted, the limit plate 61 is clamped on the inner walls on both sides of the limit opening 65, and the end of the telescopic spring 64 away from the limit plate 61 is fixedly connected to the inner wall of one side of the handle 1.

[0026] Working principle: by rotating the mounting plate 56 to rotate a certain angle to disengage from the bottom of the handle 1, then pulling the mounting plate 56 drives the flexible column 55 to move, the flexible column 55 moves to drive the limit ring 52 to move, the limit ring 52 moves to drive the paddle 53 to move, the paddle 53 moves and is clamped and fixed with the card slot 54, then the screwdriver head 4 is inserted into the mounting plate 56 for clamping, inserted into a narrow space and bent for use through the flexibility of the row of flexible columns 55, under normal use, the fixing plate 62 is moved by pulling the pull ring 63, the fixing plate 62 moves to drive the limit plate 61 to move, the limit plate 61 moves out of the limit opening 65, then the movable frame 2 is rotated to adjust the direction, then the screwdriver head 4 of the required specification on the positioning groove 67 is pulled out, the screwdriver head 4 is inserted into the inside of the clamping box 3 for operation and use, and the same operation is performed after use to store it in the sealing cover 7 and the inside of the handle 1 to prevent the screwdriver head 4 from being scratched and worn due to its protruding and sharp shape and easy to accidentally touch the outside world.

[0027] The above contents described in this specification are merely examples of the present utility model. Those skilled in the art of the present utility model may make various modifications or additions to the specific embodiments described, or replace them in similar ways, as long as they do not deviate from the contents of the present utility model specification or exceed the scope defined in the claims, they shall all fall within the protection scope of the present utility model.

Claims

1. A screwdriver with an interchangeable head, comprising a handle (1), characterized in that: The top inner wall of the handle (1) is hinged with a movable frame (2), the top outer wall of the movable frame (2) is fixedly connected with a snap-in box (3), the handle (1) is provided with an adjustment mechanism (5), the handle (1) is provided with a protection mechanism (6), the adjustment mechanism (5) comprises a slideway (51), the slideway (51) is provided on the inner walls on both sides of the handle (1), the inner walls on both sides of the slideway (51) are slidably connected with a limit ring (52), the top outer wall of the limit ring (52) is fixedly connected with a paddle (53), the bottom outer wall of the handle (1) is fixedly connected with a card slot (54), the top outer wall of the limit ring (52) is fixedly connected with a flexible column (55), and the end of the flexible column (55) away from the limit ring (52) is fixedly connected with a mounting plate (56).

2. The screwdriver with replaceable head according to claim 1, characterized in that: The protection mechanism (6) comprises a limit plate (61), the limit plate (61) is slidably connected to the left inner wall of the handle (1), a limit opening (65) is provided on the side outer wall of the movable frame (2), a telescopic spring (64) is fixedly connected to the outer wall of the limit plate (61) away from the movable frame (2), an annular disk (66) is slidably connected to the side inner wall of the handle (1), and a positioning groove (67) is fixedly connected to the top outer wall of the annular disk (66).

3. The screwdriver with replaceable head according to claim 1, characterized in that: There are two paddles (53) in total, and the top outer walls of the two paddles (53) are clamped on the inner walls on both sides of the clamping slot (54).

4. The screwdriver with replaceable head according to claim 1, characterized in that: The mounting plate (56) is threadedly connected to the bottom inner wall of the handle (1).

5. The screwdriver with replaceable head according to claim 2, characterized in that: One end of the limiting plate (61) away from the annular disk (66) is fixedly connected to a fixing plate (62), the fixing plate (62) passes through the left outer wall of the limiting plate (61), and the outer wall of one side of the fixing plate (62) away from the limiting plate (61) is fixedly connected to a pull ring (63).

6. The screwdriver with replaceable head according to claim 5, characterized in that: The side outer wall of the pull ring (63) is provided with an indication mark.

7. The screwdriver with replaceable head according to claim 2, characterized in that: The limiting plate (61) is clamped on the inner walls on both sides of the limiting opening (65), and one end of the telescopic spring (64) away from the limiting plate (61) is fixedly connected to the inner wall of one side of the handle (1).

8. The screwdriver with replaceable head according to claim 1, characterized in that: A screwdriver head (4) is clamped on the top inner wall of the clamping box (3), and a sealing cover (7) is slidably connected to the right inner wall of the handle (1).

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