CN216707313U

CN216707313U - Preset torque wrench

Info

Publication number: CN216707313U
Application number: CN202123057421.2U
Authority: CN
Inventors: 范方伟; 曾鹏
Original assignee: Changsha Xuanxun Electromechanical Co ltd
Current assignee: Changsha Xuanxun Electromechanical Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-06-10
Anticipated expiration: 2031-12-07

Abstract

The utility model discloses a preset torque wrench, which relates to the technical field of hardware tools and comprises a handle, a dial plate and a wrench head, wherein the dial plate is arranged in the middle of the handle, and the wrench head is arranged at one end of the handle. This equipment is through setting up extension mechanism cooperation handle, can both hands grip, the lifting of the equipment of being convenient for, the spanner of being convenient for closes the counterpoint contact between the position hardware with twisting, the operating personnel application of force of being convenient for rotates, avoid the arm of force position not inaccurate and twist the not good problem of effect of closing to the torsion measurement that causes, through setting up supporting mechanism, utilize supporting mechanism to expand cooperation handle and can form triangle-shaped stable support when twisting and close post form or tubular structure, when avoiding the operating personnel to act, the handle pushes down and excessively causes the spanner and twists mechanical damage between the position hardware with great force, the operation of standard use operation, lifting means uses durably.

Description

Preset torque wrench

Technical Field

The utility model relates to the technical field of hardware tools, in particular to a preset torque wrench.

Background

The torque wrench is also called torque wrench or torque wrench, which is a kind of wrench. The preset wrench can preset torque to determine tightness of the screw and bolt.

Current torque wrench mostly is single handle structure, and its spanner meets with the twist hardware structure to rotate the application of force through operating personnel, realize rotatory twist action.

However, the operation is performed by applying force to the handle by one hand of an operator, the force application position of the hand is far away from the wrench head, the force arm is long, and the alignment adjustment between the wrench head and the screwing hardware is unchanged, so that the operation of the operator is inconvenient;

simultaneously, the wrench head is supported by the contact surface of the wrench head sleeved on the surface of the screwing hardware, and because the action force application direction of an operator is changeable, when the handle generates pressure vertical to the rotating surface of the handle, the pressure easily causes mechanical abrasion between the wrench head and the screwing hardware, and further causes damage to the wrench head.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a preset torque wrench, which solves the problems that the preset torque wrench in the background technology is inconvenient to lift, inaccurate in assembly and alignment and easy to damage a wrench head due to screwing action.

In order to achieve the purpose, the utility model is realized by the following technical scheme: a preset torque wrench comprises a handle, a dial plate and a wrench head, wherein the dial plate is arranged in the middle of the handle, and the wrench head is arranged at one end of the handle.

The outer surface of the wrench head is provided with an extension mechanism.

The extension mechanism comprises an extension threaded pipe, an extension threaded rod and a rotary head, the extension threaded pipe is welded on the outer surface of the wrench head, the extension threaded rod is connected to the inner side of the extension threaded pipe in a threaded mode, and the outer end of the extension threaded rod is fixedly sleeved on the inner side of the rotary head.

The bottom surface of the dial plate is movably connected with a supporting mechanism.

The supporting mechanism comprises a track plate, the top end of the track plate is rotatably connected to the bottom surface of the dial plate, the inner side of the track plate is inserted and sleeved with a pull plate ruler, the outer surface of the bottom of the track plate is in threaded connection with a locking bolt, and the end face of one end of the locking bolt is abutted to the surface of the pull plate ruler.

The bottom of the plate pulling ruler is rotatably connected with a clamping head which is of a C-shaped structure.

Optionally, the extension threaded pipe is arranged along an extension line of the axial lead of the handle, a ring cover is screwed on an outer side port of the extension threaded pipe, and the extension threaded rod is sleeved on the inner side of the ring cover.

Optionally, the top of the track plate is rotatably connected with a hinge, and one side of the hinge is fixedly connected to the bottom surface of the dial plate.

Optionally, the surface side of the pulling plate ruler is connected with limiting plates in a sliding fit mode, and the limiting plates are fixed on the surface of the track plate at equal intervals.

Optionally, one end of the locking bolt penetrates through the bottom surface of the track plate, and a screw cap is fixedly connected to the outer end of the locking bolt.

Optionally, the two ends of the outer surface of the clamping head are both provided with clamping grooves, and the clamping head is made of elastic materials.

The utility model has the technical effects and advantages that:

1. this equipment is through setting up the cooperation handle of extension mechanism, can both hands grip, and the spanner of being convenient for closes the counterpoint contact between the position hardware with twisting, and the operating personnel application of force of being convenient for rotates, avoids the arm of force position not inaccurate and twist the not good problem of effect of closing to the torsion measurement that causes.

2. This equipment utilizes supporting mechanism to expand cooperation handle and can form triangle-shaped stable support when the twist closes column form or tubular structure through setting up supporting mechanism, when avoiding the operation personnel action, the handle pushes down and exerts oneself too big and cause wrench and twist to close mechanical damage between the position hardware, and the operation is used to the standard, and lifting means uses durably.

Drawings

FIG. 1 is a schematic diagram of a positive depression angle of the inventive structure;

FIG. 2 is a schematic diagram of the structure of the present invention in a back elevation view;

fig. 3 is a schematic view of a depression angle of the structural support mechanism of the present invention.

In the figure: 1. a handle; 2. a dial plate; 3. a wrench head; 4. an extension mechanism; 401. an extended threaded pipe; 402. an extended threaded rod; 403. rotating the head; 5. a support mechanism; 501. a track plate; 502. a plate pulling ruler; 503. locking the bolt; 504. and (4) clamping the head.

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.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

In the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected or detachably connected; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The utility model provides a preset torque wrench as shown in figures 1-3, which comprises a handle 1, a dial 2 and a wrench head 3, wherein the dial 2 is arranged in the middle of the handle 1, and the wrench head 3 is arranged at one end of the handle 1.

The outer surface of the wrench head 3 is provided with an extension mechanism 4.

The extension mechanism 4 comprises an extension threaded pipe 401, an extension threaded rod 402 and a rotary head 403, the extension threaded pipe 401 is welded on the outer surface of the wrench head 3, the extension threaded pipe 401 is arranged along the extension line of the axial lead of the handle 1, the extension threaded rod 402 is in threaded connection with the inner side of the extension threaded pipe 401, the outer end of the extension threaded rod 402 is fixedly sleeved on the inner side of the rotary head 403, a ring cover is screwed on the outer side port of the extension threaded pipe 401, and the extension threaded rod 402 is sleeved on the inner side of the ring cover. By rotating the extension threaded rod 402, the extension threaded rod 402 can be removed from the inside of the extension threaded pipe 401, facilitating the operator to grasp and lift the extension threaded rod 402 with the other hand. Through setting up 4 cooperation handles 1 of extension mechanism, can both hands grip, the lifting of the equipment of being convenient for, the spanner 3 of being convenient for and twist the counterpoint contact between the position hardware, the operating personnel application of force of being convenient for rotates, avoids the arm of force position not to the torsion measurement that causes inaccurate and twist the not good problem of effect of closing.

The bottom surface of the dial 2 is movably connected with a supporting mechanism 5.

Supporting mechanism 5 includes track board 501, the top of track board 501 is rotated and is connected in the bottom surface of dial plate 2, the top of track board 501 is rotated and is connected with the hinge, one side fixed connection of hinge alternates in the inboard of the bottom surface track board 501 of dial plate 2 and is equipped with arm-tie chi 502, the table side sliding fit of arm-tie chi 502 is connected with the limiting plate, the surface at track board 501 is fixed to the limiting plate equidistance, the surface threaded connection of track board 501 bottom has locking bolt 503, the terminal surface of locking bolt 503 one end and the surface butt of arm-tie chi 502, the bottom surface of track board 501 is run through to the one end of locking bolt 503, the outside end fixedly connected with of locking bolt 503 revolves the cap.

The bottom of the plate pulling ruler 502 is rotatably connected with a clamping head 504, the clamping head 504 is of a C-shaped structure, clamping grooves are formed in two ends of the outer surface of the clamping head 504, and the clamping head 504 is made of elastic materials. The chuck 504 can be sleeved on the surface of the cylindrical member to be screwed, and when the chuck 504 is arranged, a straight line formed by the circle center of the chuck 504 and two points of the rotation center of the wrench head 3 should coincide with the axis of the screw to be screwed. Through setting up supporting mechanism 5, utilize supporting mechanism 5 to expand cooperation handle 1 and can form triangle-shaped stable support when the twist closes column form or tubular structure, when avoiding the operation personnel action, handle 1 pushes down and exerts oneself too big and cause spanner 3 and twist to close mechanical damage between the position hardware, and the operation is used to the standard, and lifting means uses durably.

This practical theory of operation: when the preset torque wrench is used, the locking bolt 503 can be unscrewed firstly, so that the plate pulling ruler 502 can be pulled out from the inner side of the track plate 501, the chuck 504 is stretched, and the chuck 504 is sleeved on a columnar or tubular member to be screwed.

An operator holds the handle 1 with one hand, and lifts the extension threaded rod 402 with the other hand, the wrench head 3 is gradually aligned to a to-be-screwed hardware structure and sleeved in, then the handle 1 is adjusted to be perpendicular to the screw, and then the locking bolt 503 is screwed down, so that the handle 1, the locking bolt 503 and the to-be-screwed cylindrical component form a triangular structure, at the moment, the clamping head 504 can be in sliding fit deflection on the surface of the cylindrical component, in the process of rotating the handle 1, the force application perpendicular to the rotation plane of the handle 1 is resisted by the stress of the draw plate ruler 502 and the track plate 501, the dislocation and the deviation between the wrench head 3 and the screwing hardware are avoided, and the wrench head 3 is prevented from being damaged by scraping.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a preset torque wrench, includes handle (1), dial plate (2) and spanner (3), its characterized in that: the dial plate (2) is arranged in the middle of the handle (1), and the wrench head (3) is arranged at one end of the handle (1);

an extension mechanism (4) is arranged on the outer surface of the wrench head (3);

the extension mechanism (4) comprises an extension threaded pipe (401), an extension threaded rod (402) and a rotary head (403), the extension threaded pipe (401) is welded on the outer surface of the wrench head (3), the extension threaded rod (402) is in threaded connection with the inner side of the extension threaded pipe (401), and the outer end of the extension threaded rod (402) is fixedly sleeved on the inner side of the rotary head (403);

the bottom surface of the dial plate (2) is movably connected with a supporting mechanism (5);

the supporting mechanism (5) comprises a track plate (501), the top end of the track plate (501) is rotatably connected to the bottom surface of the dial plate (2), a plate pulling ruler (502) is inserted and sleeved on the inner side of the track plate (501), a locking bolt (503) is connected to the outer surface of the bottom of the track plate (501) in a threaded mode, and the end face of one end of the locking bolt (503) is abutted to the surface of the plate pulling ruler (502);

the bottom of the plate pulling ruler (502) is rotatably connected with a clamping head (504), and the clamping head (504) is of a C-shaped structure.

2. A preset torque wrench as claimed in claim 1, wherein: the extension screw pipe (401) is arranged along the extension line of the axial lead of the handle (1), the outer side port of the extension screw pipe (401) is screwed with a ring cover, and the extension screw rod (402) is sleeved on the inner side of the ring cover.

3. A preset torque wrench as claimed in claim 1, wherein: the top of the track plate (501) is rotatably connected with a hinge, and one side of the hinge is fixedly connected to the bottom surface of the dial (2).

4. A preset torque wrench as claimed in claim 1, wherein: the surface side of the pull plate ruler (502) is connected with limiting plates in a sliding fit mode, and the limiting plates are fixed on the surface of the track plate (501) at equal intervals.

5. A preset torque wrench as claimed in claim 1, wherein: one end of the locking bolt (503) penetrates through the bottom surface of the track plate (501), and the end head of the outer side of the locking bolt (503) is fixedly connected with a screw cap.

6. A preset torque wrench as claimed in claim 1, wherein: the clamping grooves are formed in two ends of the outer surface of the clamping head (504), and the clamping head (504) is made of elastic materials.