CN212044424U

CN212044424U - Digital display torque handheld screwdriver

Info

Publication number: CN212044424U
Application number: CN202020540409.3U
Authority: CN
Inventors: 陈茂隆
Original assignee: Haofengmao Hardware Products Taicang Co ltd
Current assignee: Haofengmao Hardware Products Taicang Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-12-01
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses a digital display moment of torsion hand-held type screwdriver, including cutter arbor, tool bit, the terminal gear who is fixed in the cutter arbor other end, with terminal gear meshing's circumference gear, handle, terminal gear is 90 degrees contained angles with the circumference gear, terminal gear is equipped with the aircraft bonnet with the circumference gear outside, be equipped with digital display device on the handle, inside circuit board, battery, the torque sensor of being equipped with of digital display device casing, digital display device casing outside is equipped with switch, bee calling organ, adjustment button and display screen, switch, bee calling organ, adjustment button and display screen all pass through interface connection in circuit board. Digital display moment of torsion hand-held type screwdriver, simple structure accomplishes the torsion monitoring and the warning of screwdriver through installation digital display device, through setting up a pair of 90 degrees meshed face gear and circumference gear, turn to the moment of torsion of screwdriver handle, the operation is dismantled in the screw of narrow and small to the space to the convenience.

Description

Digital display torque handheld screwdriver

Technical Field

The utility model relates to the technical field of mechanical tools, in particular to hand-held screwdriver of digital display moment of torsion.

Background

Practical screw has long become the fastening mode of each trade universal use as the fastener, more or less mechanical equipment, household electrical appliances, the shadow of screw can be found to the homoenergetic on the electronic product, often can cause the damage of screw because of applying torsion too big at fastening screw, influence the installation quality of product, so various torsion bottle openers are used in a large number, nevertheless constantly adjust in the use, influence efficiency, consequently, design a section screwdriver of real-time supervision warning with facilitate the use, there is installation alarming function's screwdriver owing to increased digital display device, the structure on screwdriver upper portion is great when narrow and small workspace operation, be not convenient for direct deep operation, bring inconvenience for the use.

An object of the utility model is to provide a digital display moment of torsion hand-held type screwdriver to solve the problem that proposes among the above-mentioned background art.

Disclosure of Invention

Utility model purpose: in order to overcome not enough above, the utility model aims at providing a digital display moment of torsion hand-held type screwdriver, simple structure accomplishes the torsion monitoring and the warning of screwdriver through installation digital display device, through setting up a pair of 90 degrees meshed face gear and circumference gear, turns to the moment of torsion of screwdriver handle, and the operation is dismantled in the convenience is installed to narrow and small screw in space.

The technical scheme is as follows: in order to realize the above object, the utility model provides a digital display moment of torsion hand-held type screwdriver, including the cutter arbor, can dismantle tool bit, the fixed connection that is fixed in cutter arbor one end in the terminal gear of the cutter arbor other end, with terminal gear meshing's circumference gear, the handle of axial fixed connection circumference gear, terminal gear is 90 degrees contained angles with circumference gear, terminal gear is equipped with the aircraft bonnet with the circumference gear outside, be equipped with digital display device on the handle, digital display device is fixed in on the handle through the casing, inside circuit board, battery, the torque sensor of being equipped with of digital display device casing, torque sensor is fixed to be pasted on the handle, battery and torque sensor are connected with the circuit board respectively, be equipped with storage unit, display element, contrast unit, alarm unit, regulating unit on the circuit board, digital display device casing outside is equipped with switch, the handle is, Buzzer, adjustment button and display screen, switch, buzzer, adjustment button and display screen all through interface connection in the circuit board, set for the maximum torsion of screwdriver during operation through adjustment button, and the circuit board is saved the setting value in memory cell, and in the course of the work, the contrast unit compares real-time moment of torsion with the torque of setting for, if exceed then start-up warning, and real-time moment of torsion accessible display screen shows.

Furthermore, according to the digital display torque handheld screwdriver, the center of the end face gear extends outwards to form a first gear shaft, the center of the circumferential gear extends outwards to form a second gear shaft, a through hole is formed in the position, opposite to the first gear shaft, of the second gear shaft and used for the first gear shaft to pass through, the diameter of the through hole is larger than that of the first gear shaft, the first gear shaft penetrates through the inside of the second gear shaft, the distance between the end face gear and the circumferential gear is further limited, jumping is prevented, and torque transmission is influenced.

Furthermore, according to the digital display torque handheld screwdriver, the first gear shaft is provided with the pair of screw mounting holes, the screw mounting holes are located on two sides of the second gear shaft and further limit is carried out through the mounting screws, and displacement difference is prevented.

Further, according to the digital display torque handheld screwdriver, the hood is a plastic shell formed by buckling an upper half shell and a lower half shell, a first shaft hole and a second shaft hole are formed in the shell at 90 degrees, plastic bearings are fixedly connected in the first shaft hole and the second shaft hole, and the transmission component is arranged in the closed space.

Further, in the above digital display torque hand-held screwdriver, a shoulder is provided at a position corresponding to the connecting portion of the first shaft hole and the second shaft hole, i.e., the position corresponding to the handle and the cutter bar, and a method for limiting the end face gear and the circumferential gear by the hood is specifically provided.

Further, foretell digital display moment of torsion hand-held type screwdriver, one side of cutter arbor fixed connection tool bit is equipped with anchor clamps, anchor clamps are annular main part, be equipped with a plurality of groups of formula shape openings on average along the circumference around annular main part, and the annular main part outside is equipped with the external screw thread, the outside spiral shell of anchor clamps is equipped with the sleeve, the sleeve is equipped with the internal thread, can select to install suitable tool bit as required.

Further, foretell digital display moment of torsion hand-held type screwdriver, the fixed cover of the one end that the circumference gear was kept away from to the handle is equipped with the rubber crust, increases the friction, improves use comfort.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a digital display moment of torsion hand-held type screwdriver through set up digital display device on the handle of a knife, realizes the moment of torsion and shows in real time to report to the police when exceeding the settlement moment of torsion, the too big screw that destroys of moment of torsion when preventing the operation influences the installation quality.

2. The utility model discloses a digital display moment of torsion hand-held type screwdriver through setting up a pair of face gear and the circumference gear that is 90 degrees meshing, turns to the moment of torsion of screwdriver handle, conveniently installs the dismantlement operation to narrow and small screw in space, has enlarged the application range of screwdriver, has solved the problem that the screwdriver can't deepen when the space is narrow and small.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the middle tool bar and the face gear of the present invention;

fig. 3 is a schematic structural diagram of the middle hood of the present invention.

Detailed Description

The invention will be further elucidated with reference to the drawings and the specific embodiments.

Examples

The digital display torque hand-held screwdriver shown in fig. 1 comprises a screwdriver rod 2, a screwdriver head 1 detachably fixed at one end of the screwdriver rod 2, a face gear 3 fixedly connected to the other end of the screwdriver rod 2, a circumferential gear 7 meshed with the face gear 3, and a handle 5 axially fixedly connected with the circumferential gear 7, wherein the face gear 3 and the circumferential gear 7 form an included angle of 90 degrees, a hood 9 is arranged outside the face gear 3 and the circumferential gear 7, a digital display device 6 is arranged on the handle 5, the digital display device 6 is fixed on the handle 5 through a shell, a circuit board, a battery and a torque sensor are arranged inside the shell of the digital display device 6, the torque sensor is fixedly adhered on the handle 5, the battery and the torque sensor are respectively connected with the circuit board, a storage unit, a display unit, a comparison unit, an alarm unit and an adjusting unit are arranged on the circuit board, a power switch 61, a, Buzzer 62, adjusting button 63 and display screen 64, switch 61, buzzer 62, adjusting button 63 and display screen 64 all pass through interface connection in circuit board.

Furthermore, a first gear shaft 4 extends outwards from the center of the face gear 3, a second gear shaft 8 extends outwards from the center of the circumferential gear 7, a through hole is formed in the position, opposite to the first gear shaft 4, of the second gear shaft 8 and used for the first gear shaft 4 to pass through, and the diameter of the through hole is larger than that of the first gear shaft 4.

Further, as shown in fig. 2, a pair of screw mounting holes 41 are formed in the first gear shaft 4, and the screw mounting holes 41 are located on both sides of the second gear shaft 8.

Further, as shown in fig. 3, the hood 9 is a plastic housing formed by fastening an upper half housing and a lower half housing, a first shaft hole 91 and a second shaft hole 92 are formed in the housing at an angle of 90 degrees, and a plastic bearing is fixedly connected in the first shaft hole 91 and the second shaft hole 92.

Further, a shoulder is provided at a position corresponding to the connecting portion of the first shaft hole 91 and the second shaft hole 92, i.e., the position of the handle 5 corresponding to the blade bar 2.

Further, as shown in fig. 2, a clamp 21 is arranged on one side of the cutter bar 2 fixedly connected with the cutter head 1, the clamp 21 is an annular main body, a plurality of group-shaped openings are averagely arranged around the annular main body along the circumference, external threads are arranged on the outer side of the annular main body, a sleeve 22 is spirally sleeved on the outer portion of the clamp 21, and the sleeve 22 is provided with internal threads.

Furthermore, a rubber outer skin is fixedly sleeved at one end of the handle 5 far away from the circumferential gear 7.

The technical principles of the present invention have been described above in connection with specific embodiments, which are intended to explain the principles of the invention and should not be interpreted as limiting the scope of the invention in any way. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. The utility model provides a digital display moment of torsion hand-held type screwdriver which characterized in that: including cutter arbor (2), can dismantle cutter head (1), the fixed connection that are fixed in cutter arbor (2) one end in terminal surface gear (3) of the cutter arbor (2) other end, with terminal surface gear (3) engaged circumference gear (7), handle (5) of axial fixed connection circumference gear (7), terminal surface gear (3) are 90 degrees contained angles with circumference gear (7), terminal surface gear (3) are equipped with aircraft bonnet (9) with circumference gear (7) outside, be equipped with digital display device (6) on handle (5), digital display device (6) are fixed in on handle (5) through the casing, inside circuit board, battery, the torque sensor of being equipped with of digital display device (6) casing, torque sensor is fixed to be pasted on handle (5), battery and torque sensor are connected with the circuit board respectively, be equipped with memory cell on the circuit board, Display element, contrast unit, alarm unit, regulating unit, digital display device (6) casing outside is equipped with switch (61), bee calling organ (62), adjustment button (63) and display screen (64), switch (61), bee calling organ (62), adjustment button (63) and display screen (64) all pass through interface connection in circuit board.

2. The digital display torque hand-held screwdriver of claim 1, characterized in that: the center of the end face gear (3) extends outwards to form a first gear shaft (4), the center of the circumferential gear (7) extends outwards to form a second gear shaft (8), a through hole is formed in the position, opposite to the first gear shaft (4), of the second gear shaft (8) and used for the first gear shaft (4) to pass through, and the diameter of the through hole is larger than that of the first gear shaft (4).

3. The digital display torque hand-held screwdriver of claim 2, characterized in that: the first gear shaft (4) is provided with a pair of screw mounting holes (41), and the screw mounting holes (41) are positioned on two sides of the second gear shaft (8).

4. The digital display torque hand-held screwdriver of claim 1, characterized in that: the engine cover (9) is a plastic shell formed by buckling an upper half shell and a lower half shell, a first shaft hole (91) and a second shaft hole (92) are formed in the shell in a 90-degree mode, and plastic bearings are fixedly connected in the first shaft hole (91) and the second shaft hole (92).

5. The digital display torque hand-held screwdriver of claim 4, wherein: and a shaft shoulder is arranged at the corresponding position of the connecting part of the first shaft hole (91) and the second shaft hole (92), namely the cutter bar (2) and the handle (5).

6. The digital display torque hand-held screwdriver of claim 1, characterized in that: one side of cutter arbor (2) fixed connection tool bit (1) is equipped with anchor clamps (21), anchor clamps (21) are annular main part, be equipped with a plurality of group form openings on average along the circumference around the annular main part, and the annular main part outside is equipped with the external screw thread, sleeve (22) are equipped with to anchor clamps (21) outside turnbuckle, sleeve (22) are equipped with the internal thread.

7. The digital display torque hand-held screwdriver of claim 1, characterized in that: and a rubber outer skin is fixedly sleeved at one end of the handle (5) far away from the circumferential gear (7).