Intelligent torque electric screwdriver

Abstract

The utility model discloses an intelligent torque electric screwdriver, comprising a casing and a female connector port; the casing is equipped with a screwdriver bit chuck, a torque sensor, a reduction motor, a forward and reverse switch, a control panel, a status indicator light, a start-stop switch, a control unit and a male connector port; the torque sensor is set to collect the output torque data of the electric screwdriver, and the signal is transmitted to the control unit, the control unit displays the parameters in real time through an LCD display screen, and the parameters of torque and speed can be set through the control panel, the start-stop switch and the forward and reverse switch on both sides of the casing can control the start and stop and forward and reverse rotation of the reduction motor, and the parameters of the electric screwdriver can be displayed through the control panel, so that the user can intuitively see the current working status of the electric screwdriver, reduce the situation of product defects and product scrapping in the production process, and improve assembly efficiency and quality.

Description

Technical Field

[0001] The utility model relates to the technical field of electric tools, and more specifically, to an intelligent torque electric screwdriver. Background Art

[0002] An electric screwdriver, also known as an electric screwdriver or electric screwdriver, is an electric tool used to tighten and loosen screws. Most of the common electric screwdrivers currently have relatively simple functions, only forward and reverse or torque adjustment, and generally only provide simple mechanical adjustment methods. Due to the wide application scenarios of electric screwdrivers and their complex working environment, after long-term use, the forward and reverse or torque adjustment markings of the electric screwdrivers are easily worn or covered by oil or impurities, making them difficult to identify. Operators often cannot quickly identify the working status of the electric screwdriver, which can easily cause damage to screws or equipment, affecting assembly efficiency and quality. Utility Model Content

[0003] The utility model provides an intelligent torque electric screwdriver to solve the problems raised in the above background technology. To achieve the above purpose, the utility model provides the following technical solutions: an intelligent torque electric screwdriver, comprising a housing and a female connector port; the housing is equipped with a screwdriver chuck, a torque sensor, a reduction motor, a forward and reverse switch, a control panel, a status indicator light, a start-stop switch, a control unit and a male connector port; the screwdriver chuck is arranged at the front end of the housing, and the reduction motor is connected to the screwdriver chuck through the torque sensor; the reduction motor is electrically connected to the forward and reverse switch and the start-stop switch respectively; the torque sensor is electrically connected to the control unit; the forward and reverse switch and the start-stop switch are respectively arranged on both sides of the housing, and are both electrically connected to the control unit; the control panel is arranged on the outer side of the housing and is electrically connected to the control unit; the status indicator light is arranged on the outer side of the housing and is electrically connected to the control unit; the male connector port is arranged at the rear end of the housing and is threadedly connected to the female connector port.

[0004] Preferably, the torque sensor includes a sleeve, a sensor shaft, a strain gauge, a first sensor PCB board and a second sensor PCB board; the sleeve is fixedly arranged in the housing, and the two ends of the sensor shaft are respectively transmission-connected with the bit chuck and the reduction motor; the strain gauge is arranged on the shaft body of the sensor shaft; the first sensor PCB board is fixedly arranged at the rear end of the sensor shaft, the second sensor PCB board is fixedly arranged at the rear end of the sleeve, and the first sensor PCB board and the second sensor PCB board are arranged opposite to each other.

[0005] Preferably, the control panel includes an LCD display screen and a plurality of control buttons, and the LCD display screen and the control buttons are electrically connected to the control unit respectively.

[0006] Preferably, a wireless communication module is further included, the control unit is electrically connected to the wireless communication module, and the wireless communication module is connected to a host computer.

[0007] Preferably, the wireless communication module includes but is not limited to a Bluetooth module, a ZigBee module, a WiFi module and a mobile communication module; the host computer is an intelligent terminal or a server.

[0008] Preferably, the status indicator light includes a fixing ring and a plurality of LED lamp beads, wherein the LED lamp beads are arranged on the outer surface of the fixing ring and are electrically connected to the control unit; a latch is provided on the fixing ring, and a slot cooperating with the latch is provided on the housing.

[0009] Preferably, an NFC module is provided on the inner or outer side wall of the housing, and the NFC module is electrically connected to the control unit.

[0010] Preferably, it also includes a battery pack assembly arranged between the male port of the connector and the female port of the connector; one end of the battery pack assembly is connected to the male port of the connector, and the other end is connected to the female port of the connector; a charging and discharging module and a battery module are provided in the battery pack assembly, and the charging and discharging module is respectively connected to the control unit and the battery module; a power supply line is installed on the female port of the connector, and the charging and discharging module is connected to the power supply line.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the utility model collects the output torque data of the electric screwdriver by setting a torque sensor, and transmits the signal to the control unit. The control unit displays the parameters in real time through the LCD display screen, and the torque and speed parameters can be set through the control panel. The start-stop switch and forward-reverse switch on both sides of the casing can control the start-stop and forward-reverse rotation of the reduction motor, and the parameters of the electric screwdriver can be displayed through the control panel, so that the user can intuitively see the current working status of the electric screwdriver, reduce the situation of product defects and product scrapping during the production process, and improve assembly efficiency and quality. In addition, the electric screwdriver is also equipped with a wireless communication module with a wireless data upload function, so that the operation of the electric screwdriver can be effectively counted, and the working parameters of the electric screwdriver can be set remotely and quickly, which is convenient for production management and reduces production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 A cross-sectional view of an intelligent torque electric screwdriver according to an embodiment of the utility model;

[0013] Figure 2 An exploded view of the internal structure of the intelligent torque electric screwdriver according to an embodiment of the utility model;

[0014] Figure 3A cross-sectional view of a torque sensor of an intelligent torque electric screwdriver according to an embodiment of the utility model;

[0015] Figure 4 It is a partial structural diagram of the outer side of the intelligent torque electric screwdriver according to an embodiment of the utility model;

[0016] exist Figures 1 to 4 In the figure, the corresponding relationship between the names of the components and the numbers of the drawings is as follows:

[0017] 1--housing, 2--connector female port, 3--bit chuck, 4--torque sensor, 401--sleeve, 402--sensor shaft, 403--strain gauge, 404--first sensor PCB board, 405--second sensor PCB board, 5--reduction motor, 6--forward and reverse switch, 7--control panel, 701--LCD display, 702--several control buttons, 8--status indicator light, 801--fixing ring, 802--LED lamp bead, 9--start-stop switch, 10--control unit, 11--connector male port. DETAILED DESCRIPTION

[0018] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The attached drawings are only for reference and explanation purposes and are not used to limit the disclosed embodiments. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0019] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] Please refer to Figures 1 to 4The utility model provides an intelligent torque electric screwdriver, comprising a housing 1 and a connector female port 2; the housing 1 is equipped with a screwdriver bit chuck 3, a torque sensor 4, a reduction motor 5, a forward and reverse switch 6, a control panel 7, a status indicator light 8, a start and stop switch 9, a control unit 10 and a connector male port 11; the screwdriver bit chuck 3 is arranged at the front end of the housing 1, and the reduction motor 5 is connected to the screwdriver bit chuck 3 through the torque sensor 4; the reduction motor 5 is electrically connected to the forward and reverse switch 6 and the start and stop switch 9 respectively; the torque sensor 4 is electrically connected to the control unit 10; the forward and reverse switch 6 and the start and stop switch 9 are respectively arranged on both sides of the housing 1, and are both electrically connected to the control unit 10; the control panel 7 is arranged on the outer surface of the housing 1 and is electrically connected to the control unit 10; the status indicator light 8 is arranged on the outer surface of the housing 1 and is electrically connected to the control unit 10; the connector male port 11 is arranged at the rear end of the housing 1 and is threadedly connected to the connector female port 2.

[0022] In the embodiment of the utility model, the reduction motor 5 is connected to the bit chuck 3 through the torque sensor 4 to drive the bit chuck 3 to rotate, the forward and reverse switch 6 controls the rotation direction of the reduction motor 5, and the start-stop switch 9 controls the start or stop of the reduction motor 5. The control panel 7 is connected to the control unit 10. When the user operates the control panel 7, the control panel 7 adjusts the working parameters of the reduction motor 5 through the control unit 10. In order to facilitate the user to check the status of the electric screwdriver, the present embodiment is provided with a status indicator light 8, and different colors are set to represent different working states.

[0023] The working process of this embodiment is as follows: after docking the connector male port 11 with the connector female port 2, the user operates the control panel 7 to set parameters such as torque and speed, controls the speed of the reduction motor 5 through the control unit 10, sets the forward and reverse rotation according to the forward and reverse switch 6, and presses the start-stop switch 9 to start or stop working. The control panel 7 can display real-time data, and the status indicator light 8 displays in real time whether the working status is abnormal.

[0024] Preferably, the torque sensor 4 includes a sleeve 401, a sensor shaft 402, a strain gauge 403, a first sensor PCB board 404 and a second sensor PCB board 405; the sleeve 401 is fixedly arranged in the housing 1, and the two ends of the sensor shaft 402 are respectively transmission-connected with the bit chuck 3 and the reduction motor 5; the strain gauge 403 is arranged on the shaft body of the sensor shaft 402; the first sensor PCB board 404 is fixedly arranged at the rear end of the sensor shaft 402, the second sensor PCB board is fixedly arranged at the rear end of the sleeve 401, and the first sensor PCB board 404 and the second sensor PCB board are arranged opposite to each other.

[0025] In this embodiment, the first sensor PCB board 404 and the second sensor PCB board in the torque sensor 4 are circuit boards covered with coils. The first sensor PCB board 404 is fixed on the rotating shaft, and the first sensor PCB board 404 is fixed on the sleeve 401. The sleeve 401 is fixed. The strain gauge 403 is installed on the sensor shaft 402. When the sensor shaft 402 rotates, the strain gauge 403 is deformed to cause the current signal to change, and this signal is transmitted to the control unit 10. At the same time, the first sensor PCB board 404 and the second sensor PCB board rotate relative to each other, and the coil cutting generates inductance, which is also transmitted to the control unit 10, completing the signal acquisition and displaying the parameters in real time through the control panel 7. When adjusting the parameters of the electric batch, the parameters set by the control panel 7 are reversely transmitted to the first sensor PCB board 404, the second sensor PCB board and the strain gauge 403 through the control unit 10 to complete the control speed control.

[0026] Preferably, the control panel 7 includes an LCD display screen 701 and a plurality of control buttons 702, and the LCD display screen 701 and the control buttons are electrically connected to the control unit 10, respectively. In this embodiment, an LCD display screen is provided on the outside of the housing 1, and the working status of the electric screwdriver can be displayed in real time through the LCD display screen 701. The parameters on the LCD display screen 701 can be operated in conjunction with the control buttons, which makes the operation more convenient.

[0027] Preferably, a wireless communication module is also included, and the control unit 10 is electrically connected to the wireless communication module, and the wireless communication module is connected to the host computer. In this embodiment, by setting the wireless communication module, communication with the host computer, intelligent terminal or server can be realized, and the working parameters of the electric batch can be remotely displayed. At the same time, the working parameters of the electric batch can also be remotely and quickly set, so that the electric batch can quickly adjust the parameters according to the operation object. Through the wireless communication module, the electric batches on the assembly line can be uniformly set in batches, which greatly improves the efficiency of adjustment.

[0028] Preferably, the wireless communication module includes but is not limited to a Bluetooth module, a ZigBee module, a WiFi module and a mobile communication module; the host computer is an intelligent terminal or a server.

[0029] Preferably, the status indicator light 8 includes a fixing ring 801 and a plurality of LED lamp beads 802, wherein the LED lamp beads 802 are arranged on the outer surface of the fixing ring 801 and are electrically connected to the control unit 10; a latch is arranged on the fixing ring 801, and a slot matching the latch is arranged on the housing 1. In this embodiment, a circle of LED lamp beads 802 is arranged on the outer surface of the fixing ring 801, so that a circle of light strip effect is formed on the housing 1, and the indicator light can be seen from any angle. Furthermore, the LED lamp beads 802 include lamp beads with two colors, such as red light beads and green light beads, which are alternately arranged to evenly display different states. The above-mentioned lamp beads are used to display whether the working state is abnormal, and the green light flashes for normal operation and the red light flashes for abnormal operation.

[0030] Preferably, an NFC module is provided on the inner or outer wall of the housing 1, and the NFC module is electrically connected to the control unit 10. In this embodiment, the electric screwdriver can read the information of the NFC tag through the NFC module, and the parameter information such as torque and speed can be entered into the NFC tag in advance according to the different working objects. When the working object is switched, the electric screwdriver can be touched to the NFC tag, and the NFC module reads the parameter information in the NFC tag and transmits it to the control unit 10, and the control unit 10 adjusts the output parameters of the reduction motor 5 according to the parameter information.

[0031] Preferably, it also includes a battery pack assembly arranged between the male connector port 11 and the female connector port 2; one end of the battery pack assembly is connected to the male connector port 11, and the other end is connected to the female connector port 2; a charging and discharging module and a battery module are arranged in the battery pack assembly, and the charging and discharging module is respectively connected to the control unit 10 and the battery module; a power supply line is installed on the female connector port 2, and the charging and discharging module is connected to the power supply line. Through the above structural design, when the electric screwdriver needs to be used alone, the battery pack assembly can be sleeved onto the male connector port 11, so that it is connected to the control unit 10 to power the electric screwdriver, so that the electric screwdriver can be used alone. At the same time, the female connector port 2 can also be connected to the battery pack assembly and charged. In addition, the male connector port 11, the battery pack assembly and the female connector port 2 can be connected together to keep the electric screwdriver in normal use while charging the battery pack assembly.

[0032] Compared with the prior art, the utility model has the following beneficial effects: the utility model collects the output torque data of the electric screwdriver by setting a torque sensor, and transmits the signal to the control unit. The control unit displays the parameters in real time through the LCD display screen, and the torque and speed parameters can be set through the control panel. The start-stop switch and forward-reverse switch on both sides of the casing can control the start-stop and forward-reverse rotation of the reduction motor, and the parameters of the electric screwdriver can be displayed through the control panel, so that the user can intuitively see the current working status of the electric screwdriver, reduce the situation of product defects and product scrapping during the production process, and improve assembly efficiency and quality. In addition, the electric screwdriver is also equipped with a wireless communication module with a wireless data upload function, so that the operation of the electric screwdriver can be effectively counted, and the working parameters of the electric screwdriver can be set remotely and quickly, which is convenient for production management and reduces production costs.

[0033] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. An intelligent torque electric screwdriver, characterized in that: The invention comprises a housing (1) and a female connector port (2); the housing is provided with a screwdriver bit chuck (3), a torque sensor (4), a reduction motor (5), a forward / reverse switch (6), a control panel (7), a status indicator light (8), a start / stop switch (9), a control unit (10) and a male connector port (11); the screwdriver bit chuck is arranged at the front end of the housing, and the reduction motor is connected to the screwdriver bit chuck via the torque sensor; the reduction motor is electrically connected to the forward / reverse switch and the start / stop switch respectively; the torque sensor is electrically connected to the control unit; the forward / reverse switch and the start / stop switch are respectively arranged at two sides of the housing, and are both electrically connected to the control unit; the control panel is arranged on the outer side of the housing, and is electrically connected to the control unit; the status indicator light is arranged on the outer side of the housing, and is electrically connected to the control unit; the male connector port is arranged at the rear end of the housing, and is threadedly connected to the female connector port.

2. The intelligent torque electric screwdriver according to claim 1 is characterized in that: The torque sensor comprises a sleeve (401), a sensor shaft (402), a strain gauge (403), a first sensor PCB board (404), and a second sensor PCB board (405); the sleeve is fixedly arranged in the housing, and the two ends of the sensor shaft are respectively connected to the bit chuck and the reduction motor in a transmission manner; the strain gauge is arranged on the shaft body of the sensor shaft; the first sensor PCB board is fixedly arranged at the rear end of the sensor shaft, and the second sensor PCB board is fixedly arranged at the rear end of the sleeve, and the first sensor PCB board and the second sensor PCB board are arranged opposite to each other.

3. The intelligent torque electric screwdriver according to claim 1 is characterized in that: The control panel comprises an LCD display screen (701) and a plurality of control buttons (702), and the LCD display screen and the control buttons are electrically connected to the control unit respectively.

4. The intelligent torque electric screwdriver according to claim 1 is characterized in that: It also includes a wireless communication module, the control unit is electrically connected to the wireless communication module, and the wireless communication module is connected to a host computer.

5. The intelligent torque electric screwdriver according to claim 4 is characterized in that: The wireless communication module includes but is not limited to a Bluetooth module, a ZigBee module, a WiFi module and a mobile communication module; the host computer is an intelligent terminal or a server.

6. The intelligent torque electric screwdriver according to claim 1, characterized in that: The status indicator light comprises a fixing ring (801) and a plurality of LED lamp beads (802), wherein the LED lamp beads are arranged on the outer surface of the fixing ring and are electrically connected to the control unit; a latch is arranged on the fixing ring, and a slot cooperating with the latch is arranged on the housing.

7. The intelligent torque electric screwdriver according to claim 1, characterized in that: An NFC module is arranged on the inner or outer side wall of the housing, and the NFC module is electrically connected to the control unit.

8. The intelligent torque electric screwdriver according to any one of claims 1 to 7, characterized in that: It also includes a battery pack assembly arranged between the male port of the connector and the female port of the connector; one end of the battery pack assembly is connected to the male port of the connector, and the other end is connected to the female port of the connector; a charging and discharging module and a battery module are arranged in the battery pack assembly, and the charging and discharging module is respectively connected to the control unit and the battery module; a power supply line is installed on the female port of the connector, and the charging and discharging module is connected to the power supply line.

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