Multifunctional power-saving chain belt screwdriver machine

Abstract

The utility model discloses a multifunctional power saving type chain belt screw screwdriver machine, including the casing, control unit, power device, torque amplification mechanism, clutch mechanism, output shaft, magnet, magnetic sensor, chain belt nail elastic clamp and depth scale, power device, torque amplification mechanism, clutch mechanism and output shaft transmission connection in proper order, and control unit is electrically connected with power device, and the magnet moves with clutch mechanism axial movement, and the magnetic sensor is fixed in the casing and is electrically connected with control unit, and the power instruction is sent based on the magnet position, and chain belt nail elastic clamp and depth scale can be detachably installed in the output shaft end portion, the utility model solves the problem that the existing chain belt screw screwdriver machine is insufficient, and the single function, the operation precision is low, and the power is saved through the power needed to adjust to realize the power saving endurance, and the compatible continuous driving and single precise operation improve the operation convenience and operation quality.

Description

Technical Field

[0001] This utility model relates to the field of power tool technology, specifically to a multi-functional, energy-saving chain screwdriver suitable for home decoration, equipment repair, woodworking fastening and other scenarios. Background Technology

[0002] Chain-driven screwdrivers, as efficient fastening tools, are widely used in home renovation, equipment repair, woodworking, and other scenarios. Their core advantage lies in their ability to perform continuous nailing operations, thus improving work efficiency. However, existing chain-driven screwdrivers have the following drawbacks:

[0003] Insufficient battery life: Traditional equipment lacks an on-demand power adjustment mechanism, and the motor always operates at a constant power. Even when the output shaft is not under stress (such as waiting for materials or switching work intervals), it still maintains high power consumption, resulting in short battery life and frequent charging affecting work efficiency.

[0004] Limited functionality: Most existing equipment only supports continuous nailing operations. If it is necessary to install / remove a single screw or precisely control the nailing depth, special tools must be replaced, which is cumbersome and has poor adaptability.

[0005] Poor work accuracy: There is no effective depth adjustment structure when working with a single nail, and the nailing depth depends on the operator's experience, which can easily result in nails being too tight or too loose, affecting the fastening quality.

[0006] In view of the shortcomings of the existing technology, there is an urgent need to design a chain screwdriver that combines power saving, long battery life, multi-functional compatibility, and precise operation to solve the pain points in practical applications. Utility Model Content

[0007] To overcome the shortcomings of the prior art, the purpose of this utility model is to provide a multi-functional, energy-saving chain screwdriver.

[0008] To achieve the above and other related objectives, the technical solution provided by this utility model is: a multifunctional, energy-saving chain screwdriver, comprising a housing, a control unit, a power unit, a torque amplification mechanism, a clutch mechanism, and an output shaft. The power unit, the torque amplification mechanism, the clutch mechanism, and the output shaft are connected in sequence. The control unit is connected to the power unit. The device also includes a magnet and a magnetic sensor. The magnet is mounted on the clutch mechanism and moves axially with the clutch mechanism. The magnetic sensor sends a corresponding power command to the control unit based on the position of the magnet.

[0009] The preferred technical solution is as follows: the power unit includes a motor and a sun gear, the motor is fixed in the housing, and the sun gear is fixed on the output shaft of the motor.

[0010] The preferred technical solution is as follows: the torque amplification mechanism includes a planetary carrier, a planetary gear set, an internal gear ring, and a planetary carrier main shaft. The planetary carrier main shaft is fixedly installed. The planetary carrier is rotatably mounted on one end of the planetary carrier main shaft. The planetary gear set is rotatably mounted on the planetary carrier and meshes with the sun gear. The internal gear ring is sleeved on the outer circumference of the planetary gear set and meshes with the planetary gear set.

[0011] The preferred technical solution is as follows: one end of the output shaft is provided with a shaft hole, and the other end is provided with a bit hole. The output shaft is inserted into the other end of the planetary carrier spindle through the shaft hole and is rotatably connected to the planetary carrier spindle.

[0012] A preferred technical solution is as follows: the clutch mechanism includes the planetary carrier, cam ring one, cam ring two, and a spring. The spring and cam ring two are rotatably mounted on the main shaft of the planetary carrier. Cam ring one is fixed on the output shaft. One end of the spring abuts against the planetary carrier, and the other end abuts against cam ring two. The planetary carrier and cam ring two are provided with corresponding matching cam structure one on opposite sides. Cam ring two and cam ring one are provided with corresponding matching cam structure two on opposite sides.

[0013] The preferred technical solution is as follows: the outer circumference of the cam ring is provided with an annular frame, the inner side of the annular frame is provided with a connecting rod extending along the output shaft axis, the magnet is fixed on the connecting rod, and the magnetic sensor is fixed in the housing and is arranged correspondingly to the magnet.

[0014] A preferred technical solution is that it further includes a depth gauge, which is detachably connected to the output end of the housing and drivenly connected to the output shaft.

[0015] A preferred technical solution is that it further includes a chain-studded magazine, which is detachably connected to the output end of the housing and drivenly connected to the output shaft.

[0016] Due to the application of the above technical solution, the beneficial effects of this utility model are as follows:

[0017] Significantly improves battery life: Through the cooperation of magnets and magnetic sensors, the motor can be started and adjusted as needed, maintaining low power consumption in non-operational states. The battery life is extended by more than 30% compared to traditional models with the same amount of power, effectively solving the pain point of frequent charging.

[0018] Multifunctional and compatible: It integrates a chain nail clip and an adjustable depth gauge, which can quickly switch between continuous nailing and single-nail precision work without changing tools. It is suitable for various scenarios such as home decoration and equipment maintenance, and improves the convenience of operation.

[0019] Higher operational precision: The depth gauge precisely adjusts the nailing depth through the threaded structure, and together with the stable torque transmission of the clutch mechanism, it ensures uniform and consistent fastening quality and avoids operational defects caused by human error.

[0020] Compact and reliable structure: The components are rationally integrated, small in size, and have sufficient torque. The non-contact detection design of the magnetic sensor and magnet results in less wear, longer service life, and reduced maintenance costs. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the screwdriver structure involved in this utility model.

[0022] Figure 2 This is a schematic diagram of the internal structure of the screwdriver involved in this utility model.

[0023] Figure 3 This is a schematic diagram of the depth gauge structure involved in this utility model.

[0024] Figure 4 This is a schematic diagram of the chain-studded clip structure involved in this utility model. Detailed Implementation

[0025] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification.

[0026] Please see Figures 1-4 It should be noted that in the description of this utility model, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. These terms are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance. The terms "horizontal," "vertical," and "suspended," etc., do not indicate that the component must be absolutely horizontal or suspended, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0027] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0028] Example:

[0029] like Figure 1 and Figure 2 As shown, this solution proposes a multi-functional, energy-saving chain screwdriver, including a housing 1, a control unit (not shown), a power unit 2, a torque amplification mechanism 3, a clutch mechanism 4, and an output shaft 5. The power unit 2, the torque amplification mechanism 3, the clutch mechanism 4, and the output shaft 5 are connected in sequence. The control unit is connected to the power unit 2. It also includes a magnet 6 and a magnetic sensor 7. The magnet 6 is mounted on the clutch mechanism 4 and moves axially with the clutch mechanism 4. The magnetic sensor 7 sends a corresponding power command to the control unit based on the position of the magnet 6.

[0030] like Figure 2 As shown, the power unit 2 includes a motor 21 and a sun gear 22. The motor 21 is fixed in the housing 1, and the sun gear 22 is fixed on the output shaft of the motor 21.

[0031] like Figure 2 As shown, the torque amplification mechanism 3 includes a planetary carrier 31, a planetary gear set 32, an internal gear ring 33, and a planetary carrier main shaft 34. The planetary carrier main shaft 34 is fixedly installed, the planetary carrier 31 is rotatably mounted on one end of the planetary carrier main shaft 34, the planetary gear set 32 ​​is rotatably mounted on the planetary carrier 31 and meshes with the sun gear 22, and the internal gear ring 33 is sleeved on the outer periphery of the planetary gear set 32 ​​and meshes with the planetary gear set 32.

[0032] like Figure 2 As shown, one end of the output shaft 5 is provided with a shaft hole, and the other end is provided with a bit hole. The output shaft 5 is inserted into the other end of the planetary carrier spindle 34 through the shaft hole and is rotatably connected to the planetary carrier spindle 34.

[0033] like Figure 2As shown, the clutch mechanism 4 includes a planetary carrier 31, a first cam ring 41, a second cam ring 42, and a spring 43. The spring 43 and the second cam ring 42 are rotatably mounted on the planetary carrier main shaft 34. The first cam ring 41 is fixed on the output shaft 5. The spring 43 is sleeved on the planetary carrier main shaft 34, with one end abutting against the planetary carrier 31 and the other end abutting against the second cam ring 42. The planetary carrier 31 and the second cam ring 42 are provided with corresponding matching cam structures, and the second cam ring 42 and the first cam ring 41 are provided with corresponding matching cam structures.

[0034] like Figure 2 As shown, the outer circumference of the cam ring 41 is provided with an annular frame 61, and the inner side of the annular frame 61 is provided with a connecting rod 62 extending along the output shaft axis. The magnet 6 is fixed on the connecting rod 62, and the magnetic sensor 7 is fixed in the housing 1 and is set correspondingly to the magnet 6.

[0035] like Figure 3 and Figure 4 As shown, it also includes a depth gauge 100 and a chain stud clip 200. The depth gauge 100 is detachably connected to the output end of the housing 1 and is driven by the output shaft 5; the chain stud clip 200 is detachably connected to the output end of the housing 1 and is driven by the output shaft 5.

[0036] Power adjustment principle: During operation, the power unit 2 drives the clutch mechanism 4 through the torque amplification mechanism 3. The cam ring 41 in the clutch mechanism 4 rotates synchronously with the output shaft 5. When the output shaft 5 is subjected to a change in force, the cam structure between the cam ring 41, the cam ring 42 and the planetary carrier 31 is relatively displaced, pushing the cam ring 41 to move axially. This, in turn, drives the magnet 6 to move axially synchronously through the ring carrier 61 and the connecting rod 62. The magnetic sensor 7 detects the position change of the magnet 6 in real time, converts the position signal into an electrical signal and sends it to the control unit. The control unit sends corresponding power commands to the power unit 2 according to different position signals: when the magnet 6 is in the initial position (output shaft 5 is not subjected to force), the control unit controls the motor 21 to maintain a low-power standby state; when the magnet 6 moves to the working position (output shaft 5 is subjected to force), the control unit controls the motor 21 to increase the power to the power required for the operation, realizing "power adjustment on demand".

[0037] Continuous nailing operation principle: The chain nail clip 200 is installed on the output end of the housing 1 and connected to the output shaft 5. The power unit 2 drives the output shaft 5 to rotate through the torque amplification mechanism 3 and the clutch mechanism 4. The output shaft 5 drives the screws in the chain nail clip 200 to be fed in sequence and tightened through the bit, so as to realize continuous nailing.

[0038] Single-screw precision operation principle: Disassemble the chain nail clip 200, adjust the extension length of the depth gauge 100 according to the operation requirements, place the single screw in the corresponding position of the bit hole, start the equipment, the output shaft 5 drives the bit to drive the screw to tighten, the depth gauge 100 limits the screw's driving depth, and at the same time the clutch mechanism 4 stably transmits torque to ensure uniform tightening force, so as to achieve precise installation or removal of single screws.

[0039] Therefore, this utility model has the following advantages:

[0040] Multifunctional and compatible: It integrates a chain nail clip and an adjustable depth gauge, which can quickly switch between continuous nailing and single-nail precision work without changing tools. It is suitable for various scenarios such as home decoration and equipment maintenance, and improves the convenience of operation.

[0041] Higher operational precision: The depth gauge precisely adjusts the nailing depth through the threaded structure, and together with the stable torque transmission of the clutch mechanism, it ensures uniform and consistent fastening quality and avoids operational defects caused by human error.

[0042] Compact and reliable structure: The components are rationally integrated, small in size, and have sufficient torque. The non-contact detection design of the magnetic sensor and magnet results in less wear, longer service life, and reduced maintenance costs.

[0043] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A multifunctional, energy-saving chain screwdriver, comprising a housing, a control unit, a power unit, a torque amplification mechanism, a clutch mechanism, and an output shaft, wherein the power unit, the torque amplification mechanism, the clutch mechanism, and the output shaft are connected in sequence, and the control unit is connected to the power unit, characterized in that: It also includes a magnet and a magnetic sensor. The magnet is mounted on the clutch mechanism and moves axially with the clutch mechanism. The magnetic sensor sends a corresponding power command to the control unit based on the position of the magnet.

2. The multi-functional energy-saving chain screwdriver according to claim 1, characterized in that: The power unit includes a motor and a sun gear. The motor is fixed in the housing, and the sun gear is fixed on the output shaft of the motor.

3. The multifunctional energy-saving chain screwdriver according to claim 2, characterized in that: The torque amplification mechanism includes a planet carrier, a planetary gear set, an internal gear ring, and a planet carrier main shaft. The planet carrier main shaft is fixedly installed. The planet carrier is rotatably mounted on one end of the planet carrier main shaft. The planetary gear set is rotatably mounted on the planet carrier and meshes with the sun gear. The internal gear ring is sleeved on the outer circumference of the planetary gear set and meshes with the planetary gear set.

4. A multi-functional, energy-saving chain screwdriver according to claim 3, characterized in that: One end of the output shaft is provided with a shaft hole, and the other end is provided with a bit hole. The output shaft is inserted into the other end of the planetary carrier spindle through the shaft hole and is rotatably connected to the planetary carrier spindle.

5. A multi-functional, energy-saving chain screwdriver according to claim 4, characterized in that: The clutch mechanism includes the planetary carrier, cam ring one, cam ring two, and a spring. The spring and cam ring two are rotatably mounted on the main shaft of the planetary carrier. Cam ring one is fixed on the output shaft. One end of the spring abuts against the planetary carrier, and the other end abuts against cam ring two. The planetary carrier and cam ring two have corresponding matching cam structures on their opposite sides. Cam ring two and cam ring one have corresponding matching cam structures on their opposite sides.

6. A multi-functional, energy-saving chain screwdriver according to claim 5, characterized in that: The outer circumference of the cam ring is provided with an annular frame, and the inner side of the annular frame is provided with a connecting rod extending along the output shaft axis. The magnet is fixed on the connecting rod, and the magnetic sensor is fixed inside the housing and is arranged correspondingly to the magnet.

7. A multi-functional, energy-saving chain screwdriver according to claim 1, characterized in that: It also includes a depth gauge, which is detachably connected to the output end of the housing and drivenly connected to the output shaft.

8. A multi-functional, energy-saving chain screwdriver according to claim 1, characterized in that: It also includes a chain-studded magazine, which is detachably connected to the output end of the housing and drivenly connected to the output shaft.

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