CN210476767U - Four-head wrench - Google Patents

Abstract

The utility model discloses a four-head wrench, a serial communication port, include: the utility model discloses a spanner and set up the mouth that presss from both sides on the spanner, the spanner includes just to the first curved surface and the second curved surface of spanner direction of rotation, first curved surface with the second curved surface set up relatively, smoothly connect between first curved surface, second curved surface and its adjacent side, first curved surface and second curved surface non-parallel face are respectively to the central plane concave yield, set up the mouth that presss from both sides on the spanner, the spanner left side is from last to setting up first clamp mouth, second clamp mouth respectively down, the spanner right side is from last to setting up third clamp mouth, fourth clamp mouth respectively down, fixed angle 60 between first specification clamp mouth and the second specification clamp mouth, fixed angle 60 between third specification clamp mouth and the fourth specification clamp mouth, every clamp mouth corresponds the specification that an opening size and bolt, screw, nut size suited, clamp mouth and spanner integrated into one piece, the utility model discloses can realize four kinds of different specifications's bolt, the second curved surface that different specifications press from both sides, Screwing function of screws, nuts, etc.

Description

Four-head wrench

Technical Field

The utility model relates to a hand tool technical field relates to a spanner particularly.

Background

The wrench is a common mounting and dismounting tool, and is a manual tool for screwing bolts, screws, nuts and other screw threads to tightly hold open or trepanning fasteners of the bolts or nuts by utilizing the lever principle. The wrench is generally provided with an opening for a bolt or nut at one or both ends of the wrench handle, and the bolt or nut can be screwed by applying an external force to the handle portion in the thread rotating direction when in use. The most common practical use is a manual wrench, after a corresponding wrench is selected according to the characteristics of a fastened fastener, when the fastener needs to be tightened, after a clamping opening clamps a bolt or a nut, the tail end of a wrench handle is held by a hand, and the fastener is tightened by force in a clockwise direction; on the contrary, the bolt or the nut can be unscrewed by rotating in the counterclockwise direction, the wrench is characterized by being simple to operate, low in price, high in labor intensity and generally provided with an opening at one end or two ends, however, in the work of production and life, a lot of machines are always required to be maintained, various tools are required, workers need to carry wrenches of different specifications to work, and the wrenches are easy to lose and forget due to the fact that the wrenches are turned over, used and picked up.

Disclosure of Invention

An object of the utility model is to provide a wrench, alleviate above-mentioned technical defect, only carry a spanner, just can satisfy the operation of twisting of the opening or trepanning firmware of four kinds of bolts, screw, nut and other screw threads holding bolt or nut tightly, make the user carry, use, when arranging in order, save time, save cost, solve above-mentioned problem, the utility model provides a four-head wrench, including the trigger and set up the first specification at the trigger both ends and press from both sides mouthful, the mouth is pressed from both sides to the second specification, the mouth is pressed from both sides to the third specification, the mouth is pressed from both sides to the fourth specification, the trigger sets up first clamp mouth, second clamp mouth from last to down respectively, the trigger right side sets up third clamp mouth, fourth clamp mouth from last to down respectively, fixed angle 60 between first specification clamp mouth and the second specification clamp mouth, fixed angle 120 between second specification clamp mouth and the third specification clamp mouth, fixed angle 60 between third specification clamp mouth and the fourth specification clamp mouth, an angle of 120 degrees is fixed between the first specification clamping opening and the fourth specification clamping opening, and each clamping opening corresponds to a specification of which the opening size is matched with the sizes of the screw head and the nut. The wrench handle is connected with the first specification clamping opening and the second specification clamping opening through first connecting portions, the wrench handle is connected with the third specification clamping opening and the fourth specification clamping opening through second connecting portions, the first connecting portions and the second connecting portions are respectively provided with specification grooves for marking the first specification clamping opening, the second specification clamping opening, the third specification clamping opening and the fourth specification clamping opening, and the specification grooves are respectively marked with first numbers, second numbers, third numbers and fourth numbers representing the specifications of the first specification clamping opening, the second specification clamping opening, the third specification clamping opening and the fourth specification clamping opening. The first number mark is above the first specification clamping opening, the second number mark is above the second specification clamping opening, the third number mark is above the third specification clamping opening, the fourth number mark is above the fourth specification clamping opening, and the number and the clamping opening are equal in distance. The trigger is seen as a cuboid structure in a depression mode, the trigger comprises a first curved surface and a second curved surface which are opposite to the rotation direction of the trigger, the first curved surface and the second curved surface are arranged oppositely, the first curved surface is smoothly connected with the adjacent side face of the first curved surface, the second curved surface is smoothly connected with the adjacent side face of the second curved surface, and the first curved surface and the non-parallel face of the second curved surface are recessed towards the central face respectively. The clamping opening and the trigger are integrally formed, the novel jaw clamping device is reasonable in design, simple in structure, easy to manufacture, low in cost, convenient to use and operate, and time-saving and labor-saving.

Drawings

Fig. 1 and 2 are schematic structural views of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 1;

the labels in the figure are: the first specification clamp opening 1, the specification groove 2, the specification groove 3, the third specification clamp opening 4, the fourth specification clamp opening 5, the specification groove 6, the trigger 7, the specification groove 8, the second specification clamp opening 9, the first curved surface 10 and the second curved surface 11.

Detailed Description

The four-head wrench, as shown in fig. 1 and fig. 2, comprises a wrench handle 7, a first specification clamping opening 1, a second specification clamping opening 9, a third specification clamping opening 4 and a fourth specification clamping opening 5 which are arranged at two ends of the wrench handle, wherein the left side of the wrench handle is respectively provided with the first clamping opening 1 and the second clamping opening 9 from top to bottom, the right side of the wrench handle is respectively provided with the third clamping opening 4 and the fourth clamping opening 5 from top to bottom, an angle of fixation is 60 degrees between the first specification clamping opening 1 and the second specification clamping opening 9, an angle of fixation is 120 degrees between the second specification clamping opening 9 and the third specification clamping opening 4, an angle of fixation is 60 degrees between the third specification clamping opening 4 and the fourth specification clamping opening 5, an angle of fixation is 120 degrees between the first specification clamping opening 1 and the fourth specification clamping opening 5, and each clamping opening corresponds to a specification of which the opening size is matched with the size of a screw head and the size of a nut. The part of the trigger 7 connected with the first specification clamping opening 1 and the second specification clamping opening 9 is a first connecting part 100, the part of the trigger 7 connected with the third specification clamping opening 4 and the fourth specification clamping opening 5 is a second connecting part 101, and the first connecting part 100 and the second connecting part 101 are respectively provided with a specification groove 2, a specification groove 8, a specification groove 3 and a specification groove 6 for marking the first specification clamping opening 1, the second specification clamping opening 9, the third specification clamping opening 4 and the fourth specification clamping opening 5. The trigger 7 is of a cuboid structure, the trigger 7 comprises a first curved surface 10 and a second curved surface 11 which are opposite to the rotation direction of the trigger 7, the first curved surface 10 and the second curved surface 11 are oppositely arranged, the first curved surface 10 is smoothly connected with the adjacent side surfaces, the second curved surface 11 is smoothly connected with the adjacent side surfaces, and the non-parallel surfaces of the first curved surface 10 and the second curved surface 11 are respectively recessed towards the central surface.

When the tool is used, the corresponding specification in the specification groove is found by comparing the specifications of the bolt, the screw and the nut, external force is applied to the handle part along the rotation direction of the thread, and the bolt, the screw or the nut is screwed.

Although particular embodiments of the present invention have been shown and described, the present invention is not limited to such design, and it will be apparent to those skilled in the art that the present invention may be modified substantially without substantial alteration, all while violating the scope of the present invention.

Claims (1)

1. A four-head wrench comprises a wrench handle and four clamping ports arranged on the wrench handle, wherein the wrench handle comprises a first curved surface and a second curved surface which are opposite to the rotation direction of the wrench handle, the first curved surface and the second curved surface are oppositely arranged, the first curved surface is smoothly connected with the adjacent side surface, the second curved surface is smoothly connected with the adjacent side surface, the first curved surface and the second curved surface are not parallel, and are respectively recessed towards the central surface, the four-head wrench is characterized in that the clamping ports arranged on the wrench handle are distributed at the left side and the right side of the wrench handle, two clamping ports are respectively arranged at each side, the left side of the wrench handle is respectively provided with the first clamping port and the second clamping port from top to bottom, the right side of the wrench handle is respectively provided with the third clamping port and the fourth clamping port from top to bottom, the angle between the first specification clamping port and the second specification clamping port is 60 degrees, the angle between the second specification clamping port and the third clamping port is 120 degrees, the angle between the third specification clamping port and the fourth, the angle between the first specification clamping opening and the fourth specification clamping opening is 120 degrees, each clamping opening corresponds to a specification with the opening size matched with the sizes of the bolt, the screw and the nut, a specification groove is formed in the upper end of each clamping opening respectively, each specification groove is used for marking the specification of the corresponding clamping opening, the clamping openings and the wrench handle are integrally formed, and the screwing function of the four kinds of bolts, screws, nuts and the like with different specifications can be realized.

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