Digital display torque screwdriver
By setting a sealing sleeve, rolling bearing and LED light in the digital torque screwdriver, the problems of inconvenience in use and affected measurement accuracy in dim environments are solved, and the convenience and measurement accuracy in dim environments are improved.
Patent Information
- Application Number
- CN202422435161.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-08
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-10-08
AI Technical Summary
Existing digital torque screwdrivers are inconvenient to use in dim environments and their measurement accuracy is affected. Friction also affects torque measurement.
A sealed sleeve and rolling bearing are provided in the digital torque screwdriver, equipped with an LED light, and powered by a circuit board to provide lighting, prevent dust from entering the rolling bearing, and reduce friction to improve measurement accuracy.
Provides convenience in dim environments, extends the life of rolling bearings, reduces friction, and improves measurement accuracy and transmission efficiency.
Smart Images
Figure CN223419434U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a screwdriver technology field especially relates to a digital display torque screwdriver. BACKGROUND
[0002] The digital display torque screwdriver is a kind of mechanical measuring instrument for detecting the torque generated when rotating object, which usually includes shell, sensor, sensor twist block and detection head, sensor and sensor twist block are installed in shell, one end of sensor is fixed to shell, and the other end is synchronously rotated with sensor twist block, sensor twist block is rotatably arranged in shell, and the other end synchronously rotated with sensor twist block extends to the outside of shell and is used to install detection head, when user holds the outside of shell, and detection head is sleeved on the detected object, rotate shell, torque is generated between detected object and detection head due to rotation, and is transmitted to sensor by sensor twist block, and detection data is obtained.
[0003] The existing digital display torque screwdriver is used in dim environment, cannot accurately insert the screwdriver on the detection head into fastener, needs user to hold flashlight, is extremely inconvenient, and in the screwdriver rotation process, friction is generated between it and shell, which will affect the measurement accuracy of torque value, therefore, the applicant has made beneficial design, found the method for solving the above problems, and the technical scheme to be introduced below is generated under this background. SUMMARY
[0004] The utility model discloses a kind of to overcome the deficiencies of the design of the above-mentioned traditional digital display torque screwdriver, provide a kind of product of improving practicality, improving measurement accuracy.
[0005] To solve the above problems, the utility model adopts the following technical scheme.
[0006] A digital display torque screwdriver, including shell, detection rod, display screen, the inlet of the shell is equipped with sealing sleeve, the shell is equipped with rolling bearing, and abuts sealing sleeve, the detection rod passes through sealing sleeve, the inner ring of rolling bearing in sequence, the detection rod is equipped with the insertion hole for screwdriver, the shell is equipped with illumination hole, the illumination hole and insertion hole are in the same orientation, the shell is equipped with circuit board, the circuit board is equipped with LED lamp, and is arranged in illumination hole.
[0007] Preferably, the shell includes base, upper cover, the base is equipped with through-hole for accommodating sealing sleeve between the base and upper cover, the base is equipped with battery cavity for accommodating detachable battery, the inlet of the battery cavity is equipped with detachable sealing plate.
[0008] Preferably, the lighting hole is arranged on the upper cover, the circuit board is arranged in the upper cover, the circuit board is provided with a display screen, the circuit board is further provided with a plurality of buttons, the buttons are provided with button sleeves and protrude from the surface of the upper cover, and the circuit board is provided with a sound generating part.
[0009] Preferably, the outer wall of the detection rod is provided with a first groove and a second groove, and the inner wall of the sealing sleeve is provided with a protruding part embedded in the first groove.
[0010] Preferably, the outer wall of the detection rod is provided with a support ring, a fixing ring and a protective sleeve, the fixing ring is embedded in the second groove, the support ring abuts against the fixing ring, the protective sleeve is arranged on the outer wall of the support ring, the protective sleeve is arranged on the outer wall of the insertion hole, and the outer wall of the protective sleeve is provided with knurling.
[0011] Beneficial effects:
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] When the circuit board is powered on, the LED lamp is automatically turned on, and the detection rod is sleeved on the fastener or the installation of the screwdriver, and the screwdriver is inserted on the fastener, thereby providing convenience; the sealing sleeve prevents dust and impurities from entering the rolling bearing, prolongs the service life and rotation accuracy of the rolling bearing, reduces the friction between the detection rod and the shell through the rolling bearing, improves the transmission efficiency, and the product has the advantages of improving practicality and improving measurement accuracy. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a side sectional structure schematic view of the utility model of a digital display torque screwdriver;
[0015] Figure 2 It is a digital display torque screwdriver of the utility model Figure 1 ;
[0016] Figure 3 It is an exploded view of the utility model of a digital display torque screwdriver Figure 1 ;
[0017] Figure 4 It is an exploded view of the utility model of a digital display torque screwdriver Figure 2 ;
[0018] The correspondence between the annotations of the drawings and the component names in the drawings is as follows:
[0019] Marked: 1, shell; 2, detection rod; 3, sealing sleeve; 4, rolling bearing; 5, circuit board; 6, support ring; 7, fixed ring; 8, protective sleeve; 11, lighting hole; 12, base; 13, upper cover; 14, through hole; 121, battery cavity; 122, sealing plate; 21, jack; 22, first groove; 23, second groove; 31, protruding part; 51, LED lamp; 52, display screen; 53, button; 54, button sleeve; 55, sound emitting part; 81, knurling. DETAILED DESCRIPTION
[0020] The technical solutions of the utility model will be described below in conjunction with the embodiments, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.
[0021] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms such as 'up', 'down', 'left', 'right' in the specification is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0022] In the embodiments of the utility model, 'and / or' is only a description of the association relationship of the associated objects, which means that there can be three kinds of relationships, for example, A and / or B can mean that A exists alone, A and B exist together, and B exists alone. In addition, the character ' / ' in this paper generally represents that the front and rear associated objects have an 'or' relationship.
[0023] Reference example Figures 1 to 4 A digital display torque screwdriver, comprising a shell 1, a detection rod 2, a display screen 52, a sealing sleeve 3 is arranged at the inlet of the shell 1, the shell 1 is provided with a rolling bearing 4 and abuts against the sealing sleeve 3, the detection rod 2 passes through the inner ring of the sealing sleeve 3 and the rolling bearing 4 in sequence, the detection rod 2 is provided with a jack 21 for inserting the screwdriver, the shell 1 is provided with a lighting hole 11, the lighting hole 11 is in the same orientation as the jack 21, the shell 1 is provided with a circuit board 5, the circuit board 5 is provided with an LED lamp 51 and is arranged in the lighting hole 11, when the circuit board 5 is powered on, the LED lamp 51 automatically lights up, providing convenience for the detection rod 2 being sleeved on the fastener or the screwdriver being installed or the screwdriver being inserted on the fastener in a dim environment; dust and impurities are prevented from entering the rolling bearing 4 through the sealing sleeve 3, the service life and rotation accuracy of the rolling bearing 4 are prolonged, the friction between the detection rod 2 and the shell 1 is reduced through the rolling bearing, and the transmission efficiency is improved.
[0024] It is worth mentioning that the housing 1 includes a base 12 and an upper cover 13. A through hole 14 for accommodating the sealing sleeve 3 is provided between the base 12 and the upper cover 13. The base 12 is provided with a battery cavity 121 for accommodating a removable battery. A removable sealing plate 122 is provided at the entrance of the battery cavity 121. A battery is placed in the battery cavity 121 to provide power for the circuit board 5. The sealing plate 122 plays a role in protecting the battery.
[0025] It is worth mentioning that the lighting hole 11 is set in the upper cover 13, and the circuit board 5 is installed in the upper cover 13. The circuit board 5 is provided with a display screen 52. The circuit board 5 is also provided with a plurality of buttons 53. The button 53 is provided with a button 53 sleeve and protrudes from the surface of the upper cover 13. The circuit board 5 is provided with a sounding part 55. The display screen 52 can read the torque value of the current rotating fastener, the unit of measurement value, and can view relevant information such as power. The button 53 is used for operations such as turning on and off the power, switching the measurement unit, etc. When the torque value exceeds the measurement threshold, the sounding part 55 will sound an alarm;
[0026] It is worth mentioning that the outer wall of the detection rod 2 is provided with a first groove 22 and a second groove 23, and the inner wall of the sealing sleeve 3 is provided with a protrusion 31, which is embedded in the first groove 22. The protrusion 31 connects and fixes the sealing sleeve 3 to the detection rod 2;
[0027] It is worth mentioning that the outer wall of the detection rod 2 is provided with a support ring 6, a fixing ring 7, and a protective sleeve 8. The fixing ring 7 is embedded in the second groove 23, the support ring 6 abuts the fixing ring 7, the protective sleeve 8 is arranged on the outer wall of the support ring 6, the protective sleeve 8 is arranged on the outer wall of the socket 21, and the outer wall of the protective sleeve 8 is provided with knurling 81. The fixing ring 7 is connected and fixed to the detection rod 2 and prevents the support ring 6 from separating from the detection rod 2. The protective sleeve 8 is connected and fixed to the support ring 6 in an interference fit manner.
[0028] The above design scheme can enable the product to achieve the advantages of improved practicality and improved measurement accuracy.
[0029] The above content is a further detailed description of the present invention in combination with specific implementation methods. It cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, they can make several simple deductions or substitutions without departing from the concept of the present invention, which should be regarded as falling within the scope of protection determined by the claims submitted for the present invention.
Claims
1. A digital torque screwdriver, comprising a housing (1), a detection rod (2), and a display screen (52), characterized in that: A sealing sleeve (3) is provided at the entrance of the housing (1); the housing (1) is provided with a rolling bearing (4) and abuts against the sealing sleeve (3); the detection rod (2) passes through the sealing sleeve (3) and the inner ring of the rolling bearing (4) in sequence; the detection rod (2) is provided with a socket (21) for inserting a screwdriver; the housing (1) is provided with a lighting hole (11); the lighting hole (11) and the socket (21) are in the same direction; the housing (1) is provided with a circuit board (5); the circuit board (5) is provided with an LED lamp (51) and is arranged in the lighting hole (11).
2. The digital torque screwdriver according to claim 1, characterized in that: The housing (1) comprises a base (12) and an upper cover (13); a through hole (14) for accommodating a sealing sleeve (3) is provided between the base (12) and the upper cover (13); the base (12) is provided with a battery cavity (121) for accommodating a detachable battery; a detachable sealing plate (122) is provided at the entrance of the battery cavity (121).
3. The digital torque screwdriver according to claim 2, characterized in that: The lighting hole (11) is provided on the upper cover (13), the circuit board (5) is installed in the upper cover (13), the circuit board (5) is provided with a display screen (52), the circuit board (5) is also provided with a plurality of buttons (53), the buttons (53) are provided with button (53) sleeves and protrude from the surface of the upper cover (13), and the circuit board (5) is provided with a sound-generating portion (55).
4. The digital torque screwdriver according to claim 1, characterized in that: The outer wall of the detection rod (2) is provided with a first groove (22) and a second groove (23), and the inner wall of the sealing sleeve (3) is provided with a protrusion (31) which is embedded in the first groove (22).
5. The digital display torque screwdriver according to claim 4, characterized in that: The outer wall of the detection rod (2) is provided with a support ring (6), a fixing ring (7), and a protective sleeve (8); the fixing ring (7) is embedded in the second groove (23); the support ring (6) abuts against the fixing ring (7); the protective sleeve (8) is arranged on the outer wall of the support ring (6); the protective sleeve (8) is arranged on the outer wall of the insertion hole (21); and the outer wall of the protective sleeve (8) is provided with a knurling (81).