CN218747434U

CN218747434U - Torque wrench with good bending resistance

Info

Publication number: CN218747434U
Application number: CN202222390510.7U
Authority: CN
Inventors: 卻玉兰; 何继军
Original assignee: Shanghai Yingsuxin Industry And Trade Co ltd
Current assignee: Shanghai Yingsuxin Industry And Trade Co ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2023-03-28
Anticipated expiration: 2032-09-08

Abstract

The utility model provides a torque wrench that bending resistance is good especially relates to the torque wrench field. With the torque wrench who solves among the prior art that bending resistance is good, bending resistance is poor, when people are using torque wrench, easily because of the dynamics is too big, leads to its phenomenon of bending to appear, causes it to appear damaging, influences its life's problem. The method comprises the following steps: the torsion spanner, the left side of torsion spanner is provided with the square tenon, the bottom welding of torsion spanner has the dead lever, the handle has been cup jointed to the bottom on dead lever surface, the surface of dead lever is provided with the high strength layer, one side that the dead lever was kept away from on the high strength layer is provided with prevents the layer of bending. The utility model provides a pair of torque wrench beneficial effect that bending resistance is good is: through setting up the high strength layer, played the effectual effect of preventing bending when using to the dead lever, solved the dead lever and prevented the poor problem of effect of bending when using.

Description

Torque wrench that bending resistance is good

Technical Field

The utility model relates to a device in torque wrench field especially relates to a torque wrench that bending resistance is good.

Background

The torque wrench is also called torque wrench and torque adjustable wrench, which is one kind of wrench, and the power source can be divided into: electric torque wrench, pneumatic torque wrench, hydraulic torque wrench and manual torque wrench; manual torque wrenches can be divided into: preset, fixed, dial, digital, slip, flex, and kilogram wrenches, the use of a torque wrench may allow an operator to apply a specific torque value when the tightness of the screw and bolt is critical.

The existing torque wrench with good bending resistance is poor in bending resistance, and when people use the torque wrench, the torque wrench is easy to bend due to overlarge force, so that the torque wrench is damaged and the service life of the torque wrench is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a torque wrench that bending resistance is good to solve a torque wrench that bending resistance is good among the prior art, bending resistance is poor, when people are using torque wrench, because of the dynamics is too big easily, leads to its phenomenon of bending to appear, causes it to appear damaging, influences its life's problem. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pair of torque wrench that bending resistance is good, include: the wrench comprises a torque wrench head, wherein a square tenon is arranged on the left side of the torque wrench head, a fixed rod is welded at the bottom of the torque wrench head, a handle is sleeved at the bottom of the surface of the fixed rod, a high-strength layer is arranged on the surface of the fixed rod, a bending-proof layer is arranged on one side, away from the fixed rod, of the high-strength layer, a corrosion-resistant layer is arranged on one side, away from the high-strength layer, of the bending-proof layer, the surface of the fixed rod is located in an inner cavity of the high-strength layer, the surface of the high-strength layer is located in an inner cavity of the bending-proof layer, the surface of the bending-proof layer is located in an inner cavity of the corrosion-resistant layer, the inner cavity of the high-strength layer is bonded with the surface of the high-strength layer, and the inner cavity of the corrosion-resistant layer is bonded with the surface of the bending-proof layer.

Preferably, the high-strength layer comprises a tungsten steel layer, and a titanium alloy layer is arranged on the surface of the tungsten steel layer.

Preferably, the bending prevention layer comprises a carbon steel layer, and a silicon steel layer is arranged on the surface of the carbon steel layer.

Preferably, the corrosion-resistant layer comprises a manganese steel layer, and a nickel-plated layer is arranged on the surface of the manganese steel layer.

The utility model provides a pair of torque wrench beneficial effect that bending resistance is good is: through setting up the high strength layer, the dead lever has played the effectual effect of preventing bending when using, the dead lever has been solved and has prevented the poor problem of effect of bending when using, prevent the layer of bending through the setting, the effect that the dead lever has played stress performance when using is high, the problem that the dead lever stress performance is low when using has been solved, through setting up the rubber layer, play the effectual effect of antiskid to the handle when using, the problem of slippage has been solved to the handle when using easily appears, through setting up corrosion resistant layer, the effect that the weatherability is high has been played to the dead lever when using, the problem that the dead lever weatherability is low when using has been solved.

Drawings

Fig. 1 is a schematic view of the overall structure of the torque wrench with good bending resistance of the present invention.

Fig. 2 is a partial sectional view of a high strength structure of the torque wrench with good bending resistance.

Fig. 3 is a partial sectional view of the bending-proof layer structure of the torque wrench with good bending resistance.

Fig. 4 is a partial sectional view of the corrosion-resistant layer structure of the torque wrench with good bending resistance.

In the figure: 1. a torque wrench head; 2. a square tenon; 3. fixing the rod; 4. a grip; 5. a high-strength layer; 51. a tungsten steel layer; 52. a titanium alloy layer; 6. a bending prevention layer; 61. a carbon steel layer; 62. a silicon steel layer; 7. a corrosion resistant layer; 71. a manganese steel layer; 72. plating a nickel layer; 8. a rubber layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The following describes in detail embodiments of the present invention with reference to the drawings. In the drawings, the same reference numerals indicate the same or corresponding features. The figures are merely schematic representations, which are not necessarily drawn to scale.

Referring to fig. 1, 2, 3 and 4, a torque wrench with good bending resistance is shown, which includes: torsion spanner 1, the left side of torsion spanner 1 is provided with square tenon 2, the bottom welding of torsion spanner 1 has dead lever 3, handle 4 has been cup jointed to the bottom on dead lever 3 surface, the surface of dead lever 3 is provided with high strength layer 5, one side that dead lever 3 was kept away from to high strength layer 5 is provided with anti-bending layer 6, one side that high strength layer 5 was kept away from to anti-bending layer 6 is provided with corrosion-resistant layer 7, the surface of dead lever 3 is located the inner chamber of high strength layer 5, the surface of high strength layer 5 is located the inner chamber of anti-bending layer 6, the surface of anti-bending layer 6 is located the inner chamber of corrosion-resistant layer 7, the inner chamber of high strength layer 5 and the surface bonding of dead lever 3, the inner chamber of anti-bending layer 6 and the surface bonding of high strength layer 5, the inner chamber of corrosion-bending layer 7 and the surface bonding of anti-bending layer 6, through setting up rubber layer 8, the effect good effect of antiskid has been played when using to handle 4, the problem that the slippage appears easily in handle 4 has been solved.

Further, the high-strength layer 5 includes a tungsten steel layer 51, and a titanium alloy layer 52 is provided on a surface of the tungsten steel layer 51.

In this embodiment, through setting up high strength layer 5, played the effectual effect of preventing bending to dead lever 3 when using, solved dead lever 3 and prevented the poor problem of effect of bending when using.

Further, the bending prevention layer 6 comprises a carbon steel layer 61, and a silicon steel layer 62 is arranged on the surface of the carbon steel layer 61.

In this embodiment, through setting up bending prevention layer 6, played the effect that stress performance is high to dead lever 3 when using, solved dead lever 3 problem that stress performance is low when using.

Further, the corrosion-resistant layer 7 includes a manganese steel layer 71, and a nickel-plated layer 72 is provided on a surface of the manganese steel layer 71.

In this embodiment, by providing the corrosion-resistant layer 7, the fixing rod 3 is made to have a high weather resistance when used, and the problem of low weather resistance of the fixing rod 3 when used is solved.

When using, through setting up high strength layer 5, the effectual effect of preventing bending has been played to dead lever 3 when using, the poor problem of dead lever 3 effect of preventing bending when using has been solved, through setting up layer 6 of preventing bending, the effect that the stress behavior is high has been played to dead lever 3 when using, the problem that the stress behavior is low when using has been solved dead lever 3, through setting up rubber layer 8, the effectual effect of antiskid has been played to handle 4 when using, the problem of slippage appears easily in handle 4 when using has been solved, through setting up corrosion-resistant layer 7, the effect that the weatherability is high has been played when using dead lever 3, the low problem of the weatherability of dead lever 3 when using has been solved. The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a torque wrench that bending resistance is good which characterized in that includes: the torsion wrench head comprises a torsion wrench head (1), wherein a square tenon (2) is arranged on the left side of the torsion wrench head (1), a fixing rod (3) is welded at the bottom of the torsion wrench head (1), a handle (4) is sleeved at the bottom of the surface of the fixing rod (3), a high-strength layer (5) is arranged on the surface of the fixing rod (3), an anti-bending layer (6) is arranged on one side, away from the fixing rod (3), of the high-strength layer (5), an anti-corrosion layer (7) is arranged on one side, away from the high-strength layer (5), of the anti-bending layer (6), the surface of the high-strength layer (5) is located in an inner cavity of the anti-bending layer (6), the surface of the anti-bending layer (6) is located in an inner cavity of the anti-bending layer (7), the inner cavity of the high-strength layer (5) is bonded with the surface of the fixing rod (3), the inner cavity of the anti-bending layer (6) is bonded with the surface of the high-bending layer (5), and the inner cavity of the anti-bending layer (7) is bonded with the surface of the anti-bending layer (6).

2. The torque wrench as claimed in claim 1, further comprising: the high-strength layer (5) comprises a tungsten steel layer (51), and a titanium alloy layer (52) is arranged on the surface of the tungsten steel layer (51).

3. The torque wrench as claimed in claim 1, further comprising: the bending prevention layer (6) comprises a carbon steel layer (61), and a silicon steel layer (62) is arranged on the surface of the carbon steel layer (61).

4. The torque wrench as claimed in claim 1, further comprising: the corrosion-resistant layer (7) comprises a manganese steel layer (71), and a nickel-plated layer (72) is arranged on the surface of the manganese steel layer (71).