CN216399450U

CN216399450U - Screwdriver capable of displaying torque

Info

Publication number: CN216399450U
Application number: CN202122191955.8U
Authority: CN
Inventors: 程华冰
Original assignee: Henan Hongluo Measuring Tools Co ltd
Current assignee: Henan Hongluo Measuring Tools Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-04-29
Anticipated expiration: 2031-09-10

Abstract

The utility model discloses a screwdriver capable of displaying torque, which comprises a screwdriver body, wherein the screwdriver body is sequentially provided with a hand-held handle, a connecting piece and a screwdriver rod from top to bottom, a cavity is formed in the hand-held handle, a controller and a storage battery are sequentially arranged in the cavity from bottom to top, a torque sensor is arranged at the top in the connecting piece and fixedly connected with the screwdriver rod through a coupler, a display is arranged outside the connecting piece, the surfaces of the hand-held handle and the connecting piece are metal layers, a shielding layer is arranged on the inner side of each metal layer, the torque sensor is in signal connection with the controller, the controller is in signal connection with the display, the storage battery is electrically connected with the display, and the shielding layer is made of a tinned copper net. The screwdriver capable of displaying the torque is convenient to read, high in testing precision and wide in application range.

Description

Screwdriver capable of displaying torque

Technical Field

The utility model relates to the technical field of screwdrivers, in particular to a screwdriver capable of displaying torque.

Background

As one of the important ways of assembling and fixing the screw, the mounting effect will affect the overall quality and life of the product. An excessively small screwing torque can loosen along with the time lapse and the repeated movement of the installation position, so that the risk of maintenance or inspection is generated; and the excessive screwing-in torque can influence the local stress distribution of the installation position, so that the installation position is very easy to damage under the condition of sudden external force, and the damage which is difficult to predict is caused. However, the conventional torque measuring screwdriver is inconvenient in reading, low in measuring precision under the condition of magnetic field interference, fixed in screwdriver rod length and small in application range.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, provides the screwdriver capable of displaying the torque, is convenient to read, high in test precision and wide in application range, and can effectively solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a can show screwdriver of moment of torsion, includes the screwdriver body, the screwdriver body is from last down being equipped with hand handle, connecting piece, cutter arbor in proper order, the inside cavity that is equipped with of hand handle is followed down up being equipped with controller, battery in proper order in the cavity, the top is equipped with torque sensor in the connecting piece, torque sensor passes through shaft coupling and cutter arbor fixed connection, the connecting piece outside is equipped with the display, the top layer that hand handle and connecting piece were held is the metal level, the inboard of metal level is equipped with the shielding layer, torque sensor signal connection director, controller signal connection display, the display is connected to the battery electricity.

Further, the cutter arbor includes dead lever, telescopic link, magnetism tool bit, the top and the shaft coupling fixed connection of dead lever, the bottom and the telescopic link sliding connection of dead lever, one side tip of telescopic link is equipped with the magnetism tool bit, the opposite side tip symmetry of telescopic link is equipped with the elasticity fixture block, be equipped with on the dead lever with the big or small assorted card hole of elasticity fixture block.

Furthermore, the telescopic rod can be fixed or popped out in the clamping hole through the elastic clamping block.

Furthermore, the top of the handle of the hand grip is fixedly connected with an upper cover which can be freely opened and closed on the top of the handle of the hand grip.

Furthermore, the outer surface of the hand-held handle is provided with an anti-slip sleeve, and anti-slip strips are uniformly arranged on the anti-slip sleeve at intervals.

Furthermore, a partition plate is arranged between the hand-held handle and the connecting piece.

Further, the shielding layer is made of a tinned copper net.

Compared with the prior art, the utility model has the beneficial effects that: this screwdriver that can show moment of torsion, the torque signal who will record through torque sensor conveys to the controller, and the controller conveys the signal to the display, utilizes the display visual display moment of torsion, makes things convenient for the torque value to read, shields magnetic interference through set up the shielding layer in screwdriver body inside, guarantees torque sensor's measurement accuracy, makes cutter arbor adjustable length through setting up the telescopic link, has enlarged the application range of screwdriver.

Drawings

FIG. 1 is a schematic view of the external structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the tool bar of the present invention;

FIG. 4 is a schematic view of the surface structure of the handle and the connecting member of the present invention;

fig. 5 is a schematic top view of the torque sensor of the present invention.

In the figure: the screwdriver comprises a screwdriver body 1, a hand-held handle 2, a connecting piece 3, a knife bar 4, a fixing rod 41, a telescopic rod 42, a clamping hole 43, an elastic clamping block 44, a magnetic knife head 45, an upper cover 5, a display 6, a controller 7, an anti-skidding sleeve 8, an anti-skidding strip 9, a partition plate 10, a storage battery 11, a torque sensor 12, a coupler 13, a metal layer 14 and a shielding layer 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a can show screwdriver of moment of torsion, including screwdriver body 1, screwdriver body 1 is from last down being equipped with hand handle 2 in proper order, connecting piece 3, cutter arbor 4, the inside cavity that is equipped with of hand handle 2, from down up being equipped with controller 7 in proper order in the cavity, battery 11, the top is equipped with torque sensor 12 in the connecting piece 3, torque sensor 12 passes through

shaft coupling

13 and 4 fixed connection of cutter arbor, 3 outsides of connecting piece are equipped with display 6, the top layer of hand handle 2 and connecting piece 3 is metal level 14, the inboard of metal level 14 is equipped with shielding layer 15, torque sensor 12

signal connection director

7, 7 signal connection display 6 of controller, 11 electricity connection display 6 of battery.

Further, the cutter bar 4 comprises a fixing rod 41, an expansion rod 42 and a magnetic cutter head 45, the top of the fixing rod 41 is fixedly connected with the coupler 13, the bottom of the fixing rod 41 is slidably connected with the expansion rod 42, the magnetic cutter head 45 is arranged at one side end of the expansion rod 42, elastic clamping blocks 44 are symmetrically arranged at the other side end of the expansion rod 42, and clamping holes 43 matched with the elastic clamping blocks 44 in size are formed in the fixing rod 41.

Further, the telescopic rod 42 can be fixed or ejected in the locking hole 43 by the elastic locking block 44.

Furthermore, the top of the handle 2 is fixedly connected with an upper cover 5, and the upper cover 5 can be freely opened and closed on the top of the handle 2.

Furthermore, the outer surface of the handle 2 is provided with an anti-skid sleeve 8, and anti-skid strips 9 are evenly arranged on the anti-skid sleeve 8 at intervals.

Furthermore, a clapboard 10 is arranged between the handle 2 and the connecting piece 3.

Further, the material of the shielding layer 15 is a tin-plated copper mesh.

When in use: the magnetic screwdriver bit 45 is aligned to a target screw to be unscrewed or screwed, a measured torque signal is transmitted to the controller 7 through the torque sensor 12, the controller 7 transmits the signal to the display 6, the torque is visually displayed through the display 6, the torque value is convenient to read, magnetic interference is shielded by arranging the shielding layer 15 inside the screwdriver body 1, the measuring precision of the torque sensor 12 is guaranteed, the elastic clamping block 44 is fixed in the clamping hole 43 in the sliding process of the telescopic rod 42 in the fixing rod 41, the length of the screwdriver rod 4 can be extended, the application range of the screwdriver is enlarged, the display 6 is electrically connected through the storage battery 11, normal display during reading of the display 6 is guaranteed, and the storage battery 11 can be replaced by opening the upper cover 5.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a screwdriver that can show moment of torsion, includes screwdriver body (1), its characterized in that: the screwdriver body (1) is sequentially provided with a hand-held handle (2), a connecting piece (3) and a screwdriver rod (4) from top to bottom, a cavity is arranged in the hand-held handle (2), a controller (7) and a storage battery (11) are sequentially arranged in the cavity from bottom to top, a torque sensor (12) is arranged at the inner top of the connecting piece (3), the torque sensor (12) is fixedly connected with the cutter bar (4) through a coupler (13), a display (6) is arranged outside the connecting piece (3), the surface layers of the hand-held handle (2) and the connecting piece (3) are both metal layers (14), a shielding layer (15) is arranged on the inner side of the metal layer (14), the torque sensor (12) is in signal connection with the controller (7), the controller (7) is in signal connection with the display (6), and the storage battery (11) is electrically connected with the display (6);

cutter arbor (4) are including dead lever (41), telescopic link (42), magnetic tool bit (45), the top and shaft coupling (13) fixed connection of dead lever (41), the bottom and telescopic link (42) sliding connection of dead lever (41), one side tip of telescopic link (42) is equipped with magnetic tool bit (45), the opposite side tip symmetry of telescopic link (42) is equipped with elasticity fixture block (44), be equipped with on dead lever (41) with elasticity fixture block (44) size assorted card hole (43).

2. The screwdriver capable of displaying torque according to claim 1, wherein: the telescopic rod (42) can be fixed or ejected in the clamping hole (43) through an elastic clamping block (44).

3. The screwdriver capable of displaying torque according to claim 1, wherein: the top of the handle (2) is fixedly connected with an upper cover (5), and the upper cover (5) can be freely opened and closed at the top of the handle (2).

4. A torque indicating screwdriver as claimed in claim 1 or 3, wherein: the outer surface of the hand-held handle (2) is provided with an anti-slip sleeve (8), and anti-slip strips (9) are uniformly arranged on the anti-slip sleeve (8) at intervals.

5. The screwdriver capable of displaying torque according to claim 1, wherein: a partition plate (10) is arranged between the hand-held handle (2) and the connecting piece (3).

6. The screwdriver capable of displaying torque according to claim 1, wherein: the shielding layer (15) is made of a tinned copper net.