Screw dismounting tool for preventing screwdriver from disengaging from groove

Abstract

The utility model relates to the field of fastener assembly, in particular to a screw disassembling tool capable of preventing a screwdriver from disengaging from a groove. Comprising a powerful suction cup, a suction cup fixing base, a suction cup fixing pressing plate, a fixing base, a bearing, a screwdriver fixing rod, a screwdriver fixing sliding block, a baffle, a force application handle and a screwdriver head. Through the device, the screwdriver can be stably pressed in a screw groove, the screwdriver can be effectively prevented from being separated from the groove to scratch the surface of a workpiece and damage a screw notch, the screw is convenient to disassemble and assemble, and the screwdriver head can be quickly replaced and is suitable for disassembling and assembling screws of multiple models.

Description

Technical Field

[0001] The utility model relates to the field of fastener assembly, and relates to a screw disassembly tool for preventing a screwdriver from slipping out of a groove. Background Art

[0002] A screw is a common fastener used to connect two objects, consisting of a head and a screw rod. The head is mostly a flat head slot or a cross head slot, and generally a screwdriver is used for disassembly and assembly.

[0003] During the process of screw disassembly and assembly, generally, an operator holds a screwdriver, inserts the screwdriver bit into the flat head slot or cross head slot on the screw head, applies a certain pressure in the vertical direction of the screw head and rotates the screwdriver to drive the screw to rotate to complete the installation or disassembly operation. However, during the production process, problems such as the screwdriver being prone to slipping out of the groove and scratching the surface of the workpiece, damage to the screw slot, and difficulty in disassembling the screw often occur due to the screw being rusty, the connected part being deformed, defects in the screw slot, and the difficulty of applying force during the disassembly process when the operator holds the screwdriver. Content of the Utility Model

[0004] Purpose of the Utility Model

[0005] The utility model provides a screw disassembly tool for preventing a screwdriver from slipping out of a groove, so as to solve the problems that the screwdriver is prone to slipping out of the groove and scratching the surface of the workpiece, damage to the screw slot, and difficulty in disassembling the screw as mentioned in the above background art.

[0006] Technical Solution

[0007] A screw disassembly tool for preventing a screwdriver from slipping out of a groove includes a strong suction cup 1, a suction cup fixing base 2, a suction cup fixing pressing plate 3, a fixing base 5, a bearing 6, a screwdriver fixing rod 7, a screwdriver fixing slider 8, a baffle 9, a force application handle 10, and a screwdriver bit 11;

[0008] The strong suction cup 1 is screwed onto the suction cup fixing base 2. The suction cup fixing pressing plate 3 is connected to the suction cup fixing base 2 through a pin rod. By pulling the suction cup fixing pressing plate 3, the strong suction cup 1 is adsorbed on the surface of the workpiece where the screw is installed. The fixing base 5 is of a U-shaped structure, and one side is fixed on the strong suction cup 1 through a connecting bolt 4. A slide rail is arranged inside the U-shaped structure. The chute of the screwdriver fixing slider 8 is matched with the slide rail to realize lateral movement. An installation hole for the bearing 6 is arranged on the screwdriver fixing slider 8, and the bearing 6 is installed in the installation hole. The screwdriver fixing rod 7 passes through the bearing 6 and is in interference fit with the bearing 6. The working end face of the screwdriver fixing rod 7 is connected to the screwdriver bit 11 through a hexagon connection. The baffle 9 is arranged at the opening of the U-shaped structure and is fixed through a bolt connection. A force application handle 10 is arranged on the outer surface of the baffle 9.

[0009] Further, the force application end of the screwdriver fixing rod 7 is of a square or hexagon structure and is connected to an electric screwdriver.

[0010] Furthermore, the fixed base 5 is made of a metal material.

[0011] Furthermore, the screwdriver bit 11 is replaced with a tip of different structural forms according to different usage conditions.

[0012] Furthermore, the fixed base 5 is provided with positioning holes. In the case where the powerful suction cup 1 cannot be used, positioning is achieved by fixing screws in the positioning holes.

[0013] Furthermore, the overall height formed by the cooperation of the screwdriver fixing rod 7 and the screwdriver bit 11 should ensure that the screwdriver bit 11 can fully contact the screw groove.

[0014] The beneficial effects of the present application are as follows:

[0015] By providing a screwdriver joint, a screwdriver fixing rod, a screwdriver fixing slider, a powerful suction cup (bolt) and a fixed base, one end of the fixed base is fixed on the profile where the screw is located through the powerful suction cup (for profiles with holes around, the powerful suction cup can be replaced with a fixed bolt). Slide the screwdriver fixing slider above the screw, align the screwdriver with the screw groove to be disassembled and assembled. The operator applies pressure downward through the force application handle, so that the screwdriver bit stably contacts the screw. Then, rotate the screwdriver fixing rod through an electric wrench or a manual wrench to complete the installation or disassembly of the screw. With this device, the screwdriver can be stably pressed against the screw groove, effectively preventing the screwdriver from slipping out of the groove and scratching the surface of the workpiece, damaging the screw groove opening, facilitating the disassembly and assembly of the screw, and the screwdriver bit can be quickly replaced to be applicable to the disassembly and assembly of multiple types of screws. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the overall structural schematic diagram of the present utility model;

[0017] Figure 2 is the structural schematic diagram of the fixed base of the present utility model

[0018] Figure 3 is the structural schematic diagram of the powerful suction cup of the present utility model;

[0019] Figure 4 is the structural schematic diagram of the screwdriver fixing slider of the present utility model;

[0020] Wherein:

[0021] 1 - powerful suction cup; 2 - suction cup fixed base; 3 - suction cup fixed pressing plate; 4 - connecting bolt; 5 - fixed base; 6 - bearing; 7 - screwdriver fixing rod; 8 - screwdriver fixing slider; 9 - baffle; 10 - force application handle; 11 - screwdriver bit. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The present utility model will be further described in conjunction with the embodiments. The following are only some embodiments of the present utility model, 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 efforts shall fall within the protection scope of the present utility model.

[0023] A screw disassembly tool for preventing a screwdriver from slipping out of the groove includes a powerful suction cup (bolt), a fixed base, and a screwdriver fixing slider. The powerful suction cup is connected to one end of the fixed base, and the screwdriver fixing slider is located on the slide rails on both sides inside the fixed base.

[0024] Further, a baffle is installed on one side surface of the fixed base, and the baffle is connected to one side surface of the fixed base by bolts.

[0025] Further, a force application handle is installed on the baffle, and the force application handle is connected to the baffle through a threaded structure.

[0026] Further, a through hole is opened inside the screwdriver fixing slider, and a bearing is installed in the through hole.

[0027] Further, a screwdriver fixing rod is fixed in the inner hole of the bearing, and the screwdriver fixing rod is connected to a screwdriver joint through a hexagonal hole.

[0028] Embodiment

[0029] Please refer to Figures 1-4 , a screw disassembly tool for preventing a screwdriver from slipping out of the groove, wherein the fixed base 5 is connected to the groove of the screwdriver fixing slider 8 through an internal slide rail, the screwdriver head 11 is connected to the lower end of the screwdriver fixing rod 7 through a hexagon, the screwdriver fixing rod and the bearing 6 are in interference fit, the bearing 6 is fixed in the installation hole inside the screwdriver fixing slider 8, and the screwdriver fixing slider 8 and the slide rail on the fixed base 5 can be conveniently fitted together through the chute on the screwdriver fixing slider, so as to realize the disassembly and assembly of screws arranged at different intervals. One end of the fixed base 5 is connected to the powerful suction cup by a connecting bolt 4, and a baffle 9 and a force application handle 10 are installed at the other end by bolts. The baffle 9 and the force application handle 10 are connected through threads. During the process of screw disassembly and assembly, the powerful suction cup, the screwdriver head, and the force application handle form a lever. Through this form of design, a large pressure can be applied to the screwdriver when a small force is applied to the force application handle, thereby preventing the screwdriver from shifting and slipping when rotating in the screw groove. The suction cup is the fixed end, which can be applicable to the disassembly and assembly of a single screw, or the suction cup can be not used, and one end of the fixed base 5 is fixed in the screw hole of the removed screw by bolts, playing a fixing role.

[0030] Working principle: When in use, fix the screwdriver fixing rod 7 inside the screwdriver fixing slider 8 through a bearing, then select a screwdriver bit 11 of a suitable specification and connect it to the screwdriver fixing rod 7 through a hexagonal joint. Then, install the chute on the screwdriver fixing slider 8 on the fixed base 5, so that the screwdriver fixing slider 8 can slide freely on the slide rail of the fixed base 5. Then, use the connecting bolt 4 to fix the baffle 9 at the through end of the fixed base 5, and thread-connect the force-applying handle 10 to the baffle 9. When in use, fix the powerful suction cup on the plane near the screw to be disassembled and assembled (or use the fixing bolt to fix one end of the fixed base 5 in other bolt holes). By moving the screwdriver fixing slider 8, press the screwdriver bit 11 into the screw slot of the screw to be disassembled and assembled, and apply a downward force to the force-applying handle 10. At this time, use a ratchet wrench or an electric gun (electric bolt disassembly and assembly tool) to clamp the upper end of the screwdriver fixing rod 7 and rotate the screwdriver fixing rod, so as to realize the disassembly and assembly of the screw.

[0031] Through the above device, using the lever principle, the screwdriver bit is effectively fixed in the screw slot, preventing the screwdriver from slipping in the slot and the problem of unstable contact, so that the bolt can be conveniently disassembled and assembled without damaging the screw and the surrounding profiles.

[0032] Those skilled in the art of this technology can understand that, unless otherwise defined, all terms used here (including technical terms and scientific terms) have the same meaning as the general understanding of those of ordinary skill in the field to which this utility model belongs. It should also be understood that terms such as those defined in a general dictionary should be understood to have a meaning consistent with the meaning in the context of the prior art, and will not be interpreted with an idealized or overly formal meaning unless defined as here. The above-described specific embodiments have further detailed the purpose, technical solution and beneficial effects of this utility model. It should be understood that the above is only the specific embodiments of this utility model and is not used to limit this utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of this utility model shall be included within the protection scope of this utility model.

Claims

1. A screw disassembly tool for preventing a screwdriver from slipping out of the groove, characterized in that, It includes a powerful suction cup, a suction cup fixing base, a suction cup fixing pressing plate, a fixing base, a bearing, a screwdriver fixing rod, a screwdriver fixing slider, a baffle, a force-applying handle, and a screwdriver bit; The powerful suction cup is screwed onto the suction cup fixing base. The suction cup fixing pressing plate is connected to the suction cup fixing base through a pin rod. By pulling the suction cup fixing pressing plate, the powerful suction cup is adsorbed on the surface of the workpiece where the screw is installed. The fixing base is of a U-shaped structure, and one side is fixed to the powerful suction cup through a connecting bolt. A slide rail is arranged inside the U-shaped structure. The chute of the screwdriver fixing slider matches the slide rail to achieve lateral movement. A bearing mounting hole is provided on the screwdriver fixing slider, and the bearing is mounted on the mounting hole. The screwdriver fixing rod passes through the bearing and has an interference fit with the bearing. The working end face of the screwdriver fixing rod is connected to the screwdriver bit through a hexagon. The baffle is arranged at the opening of the U-shaped structure and is fixed by bolt connection. A force-applying handle is provided on the outer surface of the baffle.

2. The tool according to claim 1, characterized in that, The force-applying end of the screwdriver fixing rod is of a square or hexagon structure and is connected to an electric screwdriver.

3. The tool according to claim 2, characterized in that, The fixing base is made of a metal material.

4. The tool according to claim 3, characterized in that, The screwdriver bit is replaced with a tip of different structural forms according to different usage conditions.

5. The tool according to claim 4, characterized in that, Positioning holes are provided on the fixing base. In the case where the powerful suction cup cannot be used, positioning is achieved by fixing screws in the positioning holes.

6. The tool according to claim 5, characterized in that, The overall height formed after the screwdriver fixing rod and the screwdriver bit are matched should ensure that the screwdriver bit can fully contact the screw groove.

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