CN216030459U - Adjustable torque wrench - Google Patents

Abstract

The utility model relates to the technical field of automobile maintenance tools, and discloses an adjustable torque wrench which comprises a torque wrench rod, a ratchet wrench head and a wrench head, wherein the ratchet wrench head is horizontally fixed at the end part of the torque wrench, a first inserted rod in the horizontal direction is fixed on the side wall of the ratchet wrench head, a second inserted rod which is vertically downward is fixed at the bottom of the ratchet wrench head, and a vertical inserting port with an upward opening is formed in the middle position of the upper surface of the wrench head. According to the adjustable ratchet wrench head, the adjustable handle head is arranged, the first inserting rod and the second inserting rod are arranged on the ratchet wrench head, the fastening effect in the horizontal or vertical direction can be achieved, the wrench head is adjusted through the detachable extending rod, when the extending rod is not used, the wrench head does not occupy more space, the practicability is high, the adjustable ratchet wrench head is practical, and the adjustable ratchet wrench head is suitable for wide popularization and use.

Description

Adjustable torque wrench

Technical Field

The utility model belongs to the technical field of automobile maintenance tools, and particularly relates to an adjustable torque wrench.

Background

In many mechanical devices with higher requirements, the pretightening force of a bolt and a nut during threaded connection has certain requirements, the too large pretightening force damages the thread, and the too small pretightening force is easy to loosen, so that the bolt or the nut can be screwed by a torque wrench in the fields of automobiles, aviation and the like, so that the pretightening force of the bolt or the nut meets the range of the normal pretightening force of the bolt or the nut.

Chinese publication No. CN 213352267U was searched for, and discloses a wrench head for a torque wrench, comprising: the plug comprises an L-shaped clamping head, a plug connector, a limiting sleeve, a clamping pin, a spring and a plug; the vertical part of the L-shaped clamping head is a vertical connecting plate, the parallel part of the L-shaped clamping head is a bottom connecting plate, an open slot is formed in the bottom connecting plate, and a bayonet lock is arranged on the plug-in connector; one end of the plug-in connector is fixedly connected with the upper part of the vertical connecting plate, and the other end of the plug-in connector is arranged on the torque wrench. One end of the plug connector, which is arranged on the torque wrench, is provided with a mounting hole, and a limiting sleeve, a bayonet lock, a spring and a plug are arranged in the mounting hole from bottom to top; the plug, the limiting sleeve and the pin clamping hole arranged on the plug are in interference fit, and the outer end faces of the plug and the limiting sleeve are respectively flush with the upper surface and the lower surface of the plug. Although the utility model discloses a change into "Z" font structure by "one" font structure, the simple operation, when the fastening position was less than the nut or the bolt of peripheral part in the operation, torque wrench pole portion also can keep perpendicular with nut or bolt central line to ensure that the fastening moment of torsion is moderate, guaranteed product quality.

However, the inventor finds that the technical scheme still has at least the following defects:

the torque wrench who sets up among this technical scheme is not convenient for adjust the size of pressing from both sides the mouth, and the spanner head among this technical scheme is only in the use of vertical direction simultaneously, if when the horizontal direction was used, the partial chance of plug of whole spanner formed the hindrance, influences the practicality.

The present invention has been made in view of this situation.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model adopts the technical scheme that:

the utility model provides a torque wrench with adjustable, includes torque wrench rod, ratchet wrench head and wrench head, the ratchet wrench head level is fixed torque wrench's tip, the lateral wall of ratchet wrench head is fixed with the first inserted bar of horizontal direction, and the bottom of ratchet wrench head is fixed with vertical decurrent second inserted bar, the ascending vertical interface of opening has been seted up to the intermediate position above the wrench head, horizontal interface has been seted up at the outside middle part of wrench head, first inserted bar is pegged graft with horizontal interface level, the second inserted bar is pegged graft with vertical interface adaptation.

As a preferred embodiment of the present invention, the wrench head is embedded with a movably mounted adjusting screw, and the wrench head is movably mounted with a movable clamping arm, the adjusting screw is in dynamic connection with the movable clamping arm.

As a preferred embodiment of the utility model, the wrench also comprises at least one extension connecting rod, wherein the upper end part of the extension connecting rod is movably inserted into the second inserting rod, and the lower end of the extension connecting rod is movably inserted into the vertical inserting port on the wrench head.

In a preferred embodiment of the present invention, the first and second insert pins have the same dimensions.

As a preferred embodiment of the present invention, a torque adjusting sleeve is sleeved on the tail of the torque wrench rod; the tail part of the torque wrench rod is provided with a hanging hole.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the adjustable handle head is arranged, the first inserting rod and the second inserting rod are arranged on the ratchet wrench head, the fastening effect in the horizontal or vertical direction can be achieved, the adjustment of the wrench head is operated through the detachable extension rod, when the extension rod is not used, the wrench head does not occupy more space, and the practicability is higher.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

In the drawings:

FIG. 1 is a schematic view of a torque wrench lever according to the present invention;

FIG. 2 is a schematic view of the distribution positions of the first and second rods on the ratchet wrench according to the present invention;

FIG. 3 is a schematic top view of the connection between the wrench head and the torque wrench rod according to the present invention;

FIG. 4 is a schematic view of a connection structure of an extension rod and a wrench head according to the present invention;

FIG. 5 is a schematic view of the wrench head according to the present invention.

In the figure: 1-torque wrench lever; 2-a torsion adjusting sleeve; 3-hanging holes; 4-ratchet wrench; 5-a first plunger; 6-a second inserted link; 7-wrench head; 8-a vertical interface; 9-adjusting the screw rod; 10-moving the clamping arm; 11-a horizontal interface; 12-extension rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention.

As shown in fig. 1 to 5, an adjustable torque wrench comprises a torque wrench rod 1, a ratchet wrench head 4 and a wrench head 7, the ratchet wrench head 4 is horizontally fixed at the end of the torque wrench 1, a first insertion rod 5 in the horizontal direction is fixed on the side wall of the ratchet wrench head 4, a second insertion rod 6 in the vertical downward direction is fixed at the bottom of the ratchet wrench head 4, a vertical insertion port 8 with an upward opening is arranged at the middle position on the wrench head 7, a horizontal insertion port 11 is arranged at the middle part of the outer side of the wrench head 7, the first insertion rod 5 is horizontally inserted into the horizontal insertion port 11, the second insertion rod 6 is inserted into the vertical insertion port 8, the first insertion rod 5 and the second insertion rod 6 have the same size and specification, a torque adjusting sleeve 2 is sleeved at the tail of the torque wrench rod 1, a hanging hole 3 is arranged at the tail of the torque wrench rod 1, an adjusting screw rod 9 is movably installed on the wrench head 7 in an embedded manner, and a movable clamping arm 10 is installed on the wrench head 7, accommodate the lead screw 9 with remove 10 power links up of arm lock, can be as required at the actual operation in-process, when needs carry out the pretension to nut or bolt in advance, operating personnel can be with the first inserted bar 5 on the torsion wrench rod 1 can peg graft in the horizontal interface 11 of wrench head 7, then adjust accommodate the lead screw 9 on the wrench head 7 and adjust the position that removes arm lock 10, thereby the adaptation specification of adjusting bolt or nut, if the distance of spanner is not enough, can use extension rod 12 to dock the purpose of forming the extension pretension in first inserted bar 5 and horizontal interface 11.

As shown in fig. 4, in the specific embodiment, the wrench further comprises at least one extension connecting rod 12, the upper end of the extension connecting rod 12 is movably inserted into the second inserting rod 6, and the lower end of the extension connecting rod 12 is movably inserted into the vertical inserting port 8 above the wrench head 7, when a bolt needs to be fastened in the vertical direction, an operator inserts the second inserting rod 6 at the bottom of the ratchet wrench head 4 into the vertical docking socket 8 at the upper part of the wrench head 7, and then can perform a fastening operation, when the vertical distance is insufficient, the extension rod 12 can be used for docking in the purpose of forming an extension operation in the second inserting rod 6 and the vertical inserting port 8, the whole handle has multiple working modes, the practicability is strong, and the torque wrench can be fastened after the second inserting rod 5 is matched with the wrench head 7, and the effect of the ratchet wrench head 4 cannot be damaged.

The implementation principle of the adjustable torque wrench of the embodiment is as follows: in the actual operation process, according to the requirement, when the nut or the bolt is pre-tightened in advance, an operator can insert the first insert rod 5 on the torque wrench rod 1 into the horizontal insert port 11 of the wrench head 7, and then adjust the adjusting screw rod 9 on the wrench head 7 to adjust the position of the movable clamping arm 10, so that the adaptive specification of the bolt or the nut is adjusted, and if the distance of the wrench is not enough, the extension rod 12 can be butted with the first insert rod 5 and the horizontal insert port 11 to form the purpose of extension pre-tightening;

when needs carry out fastening bolt in vertical direction, operating personnel pegs graft the second inserted bar 6 of ratchet spanner 4 bottom in the vertical butt joint socket 8 on spanner 7 upper portion, then can fasten the operation, when vertical distance is not enough, can use extension rod 12 to carry out the butt joint and form the purpose of an extension operation in second inserted bar 6 and vertical interface 8, whole handle have multiple mode, the practicality is stronger, and can carry out fastening bolt with torque wrench after the second inserted bar 5 that sets up cooperates with spanner 7, and can not damage ratchet spanner 4's effect.

Claims (6)

1. The utility model provides a torque wrench with adjustable, includes torque wrench rod (1), ratchet wrench head (4) and wrench head (7), its characterized in that, ratchet wrench head (4) level is fixed the tip of torque wrench rod (1), the lateral wall of ratchet wrench head (4) is fixed with first inserted bar (5) of horizontal direction, and the bottom of ratchet wrench head (4) is fixed with vertical decurrent second inserted bar (6), vertical interface (8) of opening upwards have been seted up to the intermediate position above wrench head (7), horizontal interface (11) have been seted up at the outside middle part of wrench head (7), first inserted bar (5) are pegged graft with horizontal interface (11) level, second inserted bar (6) are pegged graft with vertical interface (8) adaptation.

2. The adjustable torque wrench as claimed in claim 1, wherein the wrench head (7) is movably mounted with an adjusting screw (9), and the wrench head (7) is movably mounted with a movable clamping arm (10), the adjusting screw (9) is in dynamic connection with the movable clamping arm (10).

3. The adjustable torque wrench as claimed in claim 1, further comprising at least one extension rod (12), wherein the upper end of the extension rod (12) is movably connected to the second plug rod (6), and the lower end of the extension rod (12) is movably connected to the vertical plug port (8) of the wrench head (7).

4. Adjustable torque wrench according to claim 1, characterised in that the first (5) and second (6) plungers are of uniform dimensions.

5. The adjustable torque wrench as claimed in claim 1, wherein the torque adjusting sleeve (2) is sleeved on the end of the torque wrench rod (1).

6. The adjustable torque wrench as claimed in claim 5, wherein the end of the torque wrench rod (1) is provided with a hanging hole (3).

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