Handheld screw machine with high safety

By designing a button removal mechanism and battery power supply into the handheld screw machine, the problems of locking bias and crookedness are solved, achieving higher safety and portability.

CN223354142UActive Publication Date: 2025-09-19DONGGUAN BOBEI AUTOMATION TECH CO LTD
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Patent Information

Application Number
CN202422836957.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-09-19
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

Existing handheld screw machines are prone to problems of locking sideways or crookedly during use, and are not easy to carry around.

Method used

A handheld screw machine with high safety is designed. By pressing the button, the button moves inward, compressing the first spring, shortening the damping rod, and the button enters the damping groove, thereby separating the fixed block from the movable block, realizing the disassembly of the electric screwdriver, and realizing portable use through the battery.

Benefits of technology

It avoids the locking deviation and crooked locking during manual operation, improves the safety of use, and makes the electric screwdriver more convenient to carry.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of screw installation, and discloses a handheld screw machine with high safety, which comprises a feeding machine, the outer wall of one side of the feeding machine is fixedly connected with a fixed frame, the front end of the inner wall of the fixed frame is fixedly connected with a fixed column, the upper end of the outer wall of the fixed column is hinged with a second curved block, and the upper end of the fixed column is hinged with a second curved block. A first curved block is hinged to the lower surface of the second curved block, and a wire tube is arranged on one side of the outer wall of the rear end of the feeder. According to the handheld screw machine, the electric screwdriver can move towards the two sides through the hinge connection of the second curved block and the fixed column and the hinge connection of the first curved block and the second curved block, when the handheld screw machine is used, the electric screwdriver is held by a worker to move downwards, then the movable block moves downwards through the sliding connection of the movable rod and the movable block, and the electric screwdriver is driven to move towards the two sides. And horizontal auxiliary limiting can be carried out on the electric screwdriver through the first curved block, so that the conditions of locking deviation and inclined locking caused by manual operation are avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of screw installation, in particular to a handheld screw machine with high safety. Background Art

[0002] A handheld screw machine is a tool specially designed to replace traditional manual screw tightening. It can quickly and efficiently complete screw tightening and removal tasks, improve production efficiency, reduce labor costs, and improve the consistency and quality of screw locking. It has become an indispensable auxiliary equipment on the production line.

[0003] During the use of most existing handheld screw machines, the operator may not be able to lock the screw vertically downward or there may be some deviation when aligning the screw and then tightening it downward, which may lead to problems such as locking deviation and crooked locking, thereby reducing product quality. In addition, most existing handheld screw machines require the electric screwdriver to be connected to the wire when in use, which is not convenient for carrying and use.

[0004] Therefore, those skilled in the art provide a handheld screw machine with high safety to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a handheld screw machine with high safety. When the handheld screw machine needs to be disassembled, the button is pressed to move inward, thereby compressing the first spring, shortening the damping rod, and finally the button enters the damping groove, so that the fixed block can be separated from the movable block, and then the electric screwdriver can be disassembled. The battery can then make the electric screwdriver more convenient to carry and use.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A handheld screw machine with high safety comprises a feeder, wherein an outer wall of one side of the feeder is fixedly connected to a fixing frame, a front end of an inner wall of the fixing frame is fixedly connected to a fixing column, an upper end of an outer wall of the fixing column is hingedly connected to a second curved block, a lower surface of the second curved block is hingedly connected to the first curved block, a wire tube is provided on one side of an outer wall at the rear end of the feeder, an electric screwdriver is provided at an end of the wire tube away from the feeder, an electric socket is provided on the upper surface of the electric screwdriver, the wire tube is snap-fitted with the electric socket, a battery is fixedly connected to the inner top surface of the electric screwdriver, an electric telescopic rod is fixedly connected to the lower surface of the battery, an output end of the electric telescopic rod is fixedly connected to an electric motor, a gear reducer is fixedly connected to the output end of the motor, a screwdriver head is fixedly connected to the middle part of the outer wall of the electric screwdriver;

[0008] A moving block is snap-fitted to one side of the upper surface of the fixed block, a moving groove is provided on the upper surface of the moving block, a limiting block is provided at the upper end of the moving block, a moving rod is fixedly connected to both sides of the lower surface of the limiting block, the lower surface of the moving rod is fixedly connected to the chassis, the upper surface of the chassis is fixedly connected to the second spring, a damping groove is provided at the lower end of the inside of the moving block, a damping rod is fixedly connected to the inner wall of the damping groove, a button is fixedly connected to the output end of the damping rod, and a first spring is sleeved on the outer wall of the damping rod.

[0009] Through the above technical solution, the handheld screw machine avoids the situation of locking deviation and crookedness during manual operation through the auxiliary device, improves the safety during use, and is more convenient to carry and use.

[0010] Furthermore, a feeding pipe is provided on the outer wall of the rear end of the feeder.

[0011] Through the above technical solution, the screws can be delivered to the bit of the electric screwdriver through the feeding tube.

[0012] Furthermore, a socket is fixedly connected to a side of the rear end outer wall of the feeder away from the electric wire pipe.

[0013] Through the above technical solution, the power supply can be connected through the socket to power the feeder.

[0014] Furthermore, a switch is provided on one side of the outer wall of the electric screwdriver.

[0015] Through the above technical solution, the operation of the electric batch can be controlled by the switch.

[0016] Furthermore, a control panel is fixedly connected to the outer wall of the front end of the feeder.

[0017] Through the above technical solution, the feeder can be controlled through the control panel.

[0018] Furthermore, a feeding door is hingedly connected to the rear end of the upper surface of the feeder, and a pull plate is fixedly connected to the rear end of the upper surface of the feeding door.

[0019] Through the above technical solution, screws can be added to the feeder when the feed door is opened. When not in use, dust can be prevented from falling inside the feeder. The feed door can be opened more conveniently by pulling the plate.

[0020] Furthermore, the moving rod is slidably connected inside the moving groove.

[0021] With the above technical solution, the movable rod can be moved up and down in the movable groove through the sliding connection.

[0022] Furthermore, the first curved block is hingedly connected to the limiting block.

[0023] Through the above technical solution, the electric screwdriver can be better moved horizontally through the hinged connection.

[0024] The utility model has the following beneficial effects:

[0025] 1. The utility model proposes a handheld screw machine with high safety. The handheld screw machine is hingedly connected to the fixed column by the second curved block and the first curved block is hingedly connected to the second curved block so that the electric screwdriver can be moved to both sides. When in use, the electric screwdriver is manually held and moved downward, and then the moving rod is slidably connected to the moving block to move the moving block downward. The electric screwdriver can be auxiliaryly limited horizontally by the first curved block, thereby avoiding the situation of locking deviation and crookedness during manual operation.

[0026] 2. The utility model proposes a handheld screw machine with high safety. When the handheld screw machine needs to be disassembled, the button is pressed to move inward, thereby compressing the first spring, shortening the damping rod, and finally the button enters the damping groove, so that the fixed block can be separated from the movable block, and then the electric screwdriver can be disassembled. The battery can make the electric screwdriver more convenient to carry and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is an axonometric drawing of a handheld screw machine with high safety proposed by the utility model;

[0028] Figure 2 This is a top view of a handheld screw machine with high safety proposed by the utility model;

[0029] Figure 3 This is a cross-sectional view of an electric screwdriver in a handheld screw machine with high safety proposed by the utility model;

[0030] Figure 4 This is a partial cross-sectional view of a handheld screw machine with high safety proposed by the utility model;

[0031] Figure 5 This is an axonometric drawing of a limit block and the like in a handheld screw machine with high safety proposed by the utility model.

[0032] Legend:

[0033] 1. Feeder; 2. Electric screwdriver; 3. Fixed frame; 4. Fixed column; 5. Electric wire pipe; 6. Feeding pipe; 7. Fixed block; 8. Second curved block; 9. First curved block; 10. Socket; 11. Power socket; 12. Battery; 13. Electric telescopic rod; 14. Motor; 15. Gear reducer; 16. Screwdriver bit; 17. Button; 18. Damping groove; 19. First spring; 20. Damping rod; 21. Moving block; 22. Moving rod; 23. Second spring; 24. Moving groove; 25. Chassis; 26. Limit block; 27. Switch; 28. Control panel; 29. ​​Feeding door; 30. Pull plate. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0035] Reference Figure 1-5 , an embodiment provided by the utility model:

[0036] A handheld screw machine with high safety comprises a feeder 1, an outer wall of one side of the feeder 1 is fixedly connected to a fixed frame 3, a front end of an inner wall of the fixed frame 3 is fixedly connected to a fixed column 4, an upper end of an outer wall of the fixed column 4 is hingedly connected to a second curved block 8, a lower surface of the second curved block 8 is hingedly connected to a first curved block 9, a wire tube 5 is provided on one side of the outer wall of the rear end of the feeder 1, an electric screwdriver 2 is provided at one end of the wire tube 5 away from the feeder 1, a power socket 11 is provided on the upper surface of the electric screwdriver 2, the wire tube 5 is snap-fitted with the power socket 11, a battery 12 is fixedly connected to the inner top surface of the electric screwdriver 2, an electric telescopic rod 13 is fixedly connected to the lower surface of the battery 12, an output end of the electric telescopic rod 13 is fixedly connected to a motor 14, a gear reducer 15 is fixedly connected to the output end of the motor 14, a screwdriver head 16 is fixedly connected to the output end of the gear reducer 15, and a fixed block 7 is fixedly connected to the middle part of the outer wall of the electric screwdriver 2;

[0037] A moving block 21 is snap-fitted to one side of the upper surface of the fixed block 7, a moving groove 24 is provided on the upper surface of the moving block 21, a limit block 26 is provided at the upper end of the moving block 21, and both sides of the lower surface of the limit block 26 are fixedly connected to a moving rod 22, the lower surface of the moving rod 22 is fixedly connected to a chassis 25, the upper surface of the chassis 25 is fixedly connected to a second spring 23, a damping groove 18 is provided at the lower end of the inside of the moving block 21, a damping rod 20 is fixedly connected to the inner wall of the damping groove 18, a button 17 is fixedly connected to the output end of the damping rod 20, and a first spring 19 is sleeved on the outer wall of the damping rod 20.

[0038] The handheld screw machine avoids the situation of biased and crooked locking caused by manual operation through the auxiliary device, improves the safety during use, and is more convenient to carry and use.

[0039] The outer wall of the rear end of the feeder 1 is provided with a feed pipe 6, through which the screws can be delivered to the screw bit 16 of the electric screwdriver 2. The outer wall of the rear end of the feeder 1 is fixedly connected to the side away from the wire tube 5. The power supply can be connected through the socket 10 to power the feeder 1. A switch 27 is provided on one side of the outer wall of the electric screwdriver 2. The operation of the electric screwdriver 2 can be controlled by the switch 27. The outer wall of the front end of the feeder 1 is fixedly connected to a control panel 28. The feeder 1 can be controlled to work by the control panel 28. The rear end hinge connection of the upper surface of the feeder 1 There is a feeding door 29, and the rear end of the upper surface of the feeding door 29 is fixedly connected with a pull plate 30. The feeding door 29 can be used to add screws to the feeder 1 when it is opened. When not in use, it can prevent dust from falling inside the feeder 1. The feeding door 29 can be opened more conveniently through the pull plate 30. The moving rod 22 is slidably connected inside the moving groove 24. The moving rod 22 can be moved up and down in the moving groove 24 through the sliding connection. The first curved block 9 is hingedly connected to the limit block 26. The hinged connection can enable the electric batch 2 to move horizontally better.

[0040] Working principle: When in use, the electric screwdriver 2 can be moved to both sides by hinged connection between the second curved block 8 and the fixed column 4 and the first curved block 9 and the second curved block 8. When in use, the electric screwdriver 2 is manually held and moved downward, and then the moving rod 22 is slidably connected to the moving block 21 to move the moving block 21 downward. The first curved block 9 can be used to assist in horizontal limiting of the electric screwdriver 2, thereby avoiding the situation where the locking is biased and crooked during manual operation, and these auxiliary devices can avoid the problem of the electric screwdriver 2 falling from above and hitting the operator's hand due to improper placement, thereby improving the safety of the handheld screw machine. When disassembly is required, by pressing the button 17, the button 17 moves inward, thereby compressing the first spring 19, shortening the damping rod 20, and finally making the button 17 enter the damping groove 18, so that the fixed block 7 can be separated from the moving block 21, and the electric screwdriver 2 can be disassembled. Then, through the provided battery 12, the electric screwdriver 2 is no longer dependent on wires and is more convenient to carry and use.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A handheld screw machine with high safety, comprising a feeder (1), characterized in that: A fixed frame (3) is fixedly connected to an outer wall of one side of the feeder (1), a fixed column (4) is fixedly connected to the front end of the inner wall of the fixed frame (3), the upper end of the outer wall of the fixed column (4) is hingedly connected to a second curved block (8), the lower surface of the second curved block (8) is hingedly connected to a first curved block (9), a wire tube (5) is provided on one side of the outer wall of the rear end of the feeder (1), an electric screwdriver (2) is provided at one end of the wire tube (5) away from the feeder (1), and an electric socket (11) is provided on the upper surface of the electric screwdriver (2) The electric wire tube (5) is snap-fitted with the power socket (11); the inner top surface of the electric screwdriver (2) is fixedly connected to a battery (12); the lower surface of the battery (12) is fixedly connected to an electric telescopic rod (13); the output end of the electric telescopic rod (13) is fixedly connected to a motor (14); the output end of the motor (14) is fixedly connected to a gear reducer (15); the output end of the gear reducer (15) is fixedly connected to a screwdriver head (16); the middle part of the outer wall of the electric screwdriver (2) is fixedly connected to a fixed block (7); A moving block (21) is snap-fitted on one side of the upper surface of the fixed block (7), a moving groove (24) is provided on the upper surface of the moving block (21), a limit block (26) is provided at the upper end of the moving block (21), both sides of the lower surface of the limit block (26) are fixedly connected with a moving rod (22), the lower surface of the moving rod (22) is fixedly connected with a chassis (25), the upper surface of the chassis (25) is fixedly connected with a second spring (23), a damping groove (18) is provided at the lower end of the inside of the moving block (21), the inner wall of the damping groove (18) is fixedly connected with a damping rod (20), the output end of the damping rod (20) is fixedly connected with a button (17), and the outer wall of the damping rod (20) is sleeved with a first spring (19).

2. A handheld screw machine with high safety according to claim 1, characterized in that: A feeding pipe (6) is provided on the outer wall of the rear end of the feeder (1).

3. The handheld screw machine with high safety according to claim 1, characterized in that: A socket (10) is fixedly connected to a side of the rear end outer wall of the feeder (1) away from the electric wire tube (5).

4. The handheld screw driver with high safety according to claim 1, characterized in that: A switch (27) is provided on one side of the outer wall of the electric screwdriver (2).

5. The handheld screw machine with high safety according to claim 1, characterized in that: A control panel (28) is fixedly connected to the outer wall of the front end of the feeder (1).

6. The handheld screw machine with high safety according to claim 1, characterized in that: The rear end of the upper surface of the feeder (1) is hingedly connected to a feed door (29), and the rear end of the upper surface of the feed door (29) is fixedly connected to a pull plate (30).

7. The handheld screw driver with high safety according to claim 1, characterized in that: The moving rod (22) is slidably connected inside the moving groove (24).

8. The handheld screw driver with high safety according to claim 1, characterized in that: The first curved block (9) is hingedly connected to the limiting block (26).