CN203622288U - Angle-adjustable wrench - Google Patents

Abstract

The utility model discloses an angle-adjustable wrench used for mounting and dismounting hexagon bolts or hexagon nuts. The wrench comprises a wrench head, a handle and connection bars, and the connection bars which are connected mutually are arranged between the wrench head and the handle and movably connected with the two. An original straight wrench handle is changed into a shank with multiple parts movably connected and of an S-shaped structure, the joints of all the parts can adjust angles mutually so as to avoid various encountered obstacles during use, and usage occasions and range of the wrench are expanded greatly.

Description

An adjustable angle wrench

technical field

The utility model relates to a tool, in particular to an angle-adjustable wrench capable of avoiding obstacles during use.

Background technique

A wrench is a commonly used installation and disassembly tool. It is a hand tool that uses the principle of leverage to twist bolts, screws, nuts, and other bolts or nuts that are tightly threaded. Clamping handle, the bolt or nut can be twisted by applying external force at the other far end. At present, wrenches are basically divided into two types: dead wrench and adjustable wrench. The former refers to the wrench with fixed numbers written on it, and the latter is the movable wrench.

Although there are many types of wrenches, there are also many improved products, such as the authorized publication number CN202805064U, which is named as an easy-to-detachable and adjustable-length wrench, including a wrench head, a connecting rod that is threadedly connected with the wrench head, and a connecting rod. There is an inner-threaded steel pipe connected to its thread on the rod, and a limit screw is set on the inner-threaded steel pipe. The length of the handle can be changed by turning the rear end of the wrench, and the front end of the wrench can be separated from the handle by rotating the handle, which is convenient for people to adjust the length of the wrench handle. However, the commonly used wrenches are all straight handles. Although they can meet the normal use in most cases, they are inconvenient to use in some special situations. Due to the limitations of the structure and the constraints of the complex structure, it is impossible to use a straight handle wrench to tighten or remove the bolts and nuts.

Utility model content

The utility model mainly solves the technical problem that the straight handle wrench cannot be used due to the space limitation and structure restriction of the workplace; it provides an angle adjustable wrench which can avoid the obstruction during use and the handle part of the wrench is in the shape of a broken line. wrench.

In order to solve the above-mentioned technical problems, the utility model mainly adopts the following technical solutions:

The utility model relates to an angle-adjustable wrench, which is used for disassembling hexagonal head bolts or hexagonal nuts. The connecting rod of the original linear wrench is changed into a handle with multiple parts that are movably connected and has a serpentine structure. The connection positions of each part can be adjusted to each other to avoid problems encountered during use. Various obstacles greatly improve the use occasions and scope of the wrench.

Preferably, the wrench is flat, the front end of the wrench is open, and the opening matches the hexagon head bolt or hexagon nut, and the rear end of the wrench is provided with an ear plate with an integral structure with the wrench, and the ear plate The suspended end is semicircular, and the thickness of the lug plate is smaller than that of the wrench head. The end of the connecting rod is attached to the lug plate, and the lug plate is provided with a positioning hole. The connection area and the open-shaped wrench design make the wrench extremely convenient to use. At the same time, the flat opening also helps to use it in narrow and low workplaces.

Preferably, the wrench is flat, and the front end of the wrench is provided with a clamping hole, and the clamping hole is fixed with an inner hexagonal socket, and the sleeve matches the hexagonal head bolt or hexagonal nut. The end is provided with an ear plate with an integral structure with the wrench, the suspended end of the ear plate is semicircular, the thickness of the ear plate is smaller than the thickness of the wrench, the end of the connecting rod is attached to the ear plate, and the ear plate is set There are positioning holes, and the lug plate at the rear end of the wrench forms the connecting area with the connecting rod. The sleeve is placed on the wrench head, which can make full use of multi-specification sleeves to adapt to different hexagonal head bolts or nuts, expanding the scope of use of the wrench , and the clamping ability of the sleeve is also strong.

Preferably, the connecting rod is a flat cuboid with semicircular ends, and the ends of the connecting rod are respectively provided with notches in the same direction, and the ear plates coincide with the notches and are attached to the notches Inside, there is a connection hole on the surface of the notch at the end of the post, the connection hole is coaxial and identical to the positioning hole, a positioning pin is inserted in the connection hole, the ear plate is attached to the notch at the end of the post and can be connected along the The axis of the hole rotates to facilitate the adjustment of the angle between the wrench head and the extension rod or between the extension rod and the extension rod. The positioning pin can fix the two to form a whole wrench with a handle that can be changed in a folding line.

Preferably, the handle is a flat rectangular parallelepiped with semicircular ends, and a depression is provided on the surface of one end of the handle, and the end of the connecting rod coincides with the depression and abuts against the depression, and the end of the handle There is a through hole on the concave surface of the part, and the through hole is coaxial and identical with the connection hole of the end of the extension rod. The angle between the rod and the handle.

Preferably, the positioning hole is a regular hexagonal hole, and cooperates with the end of the connecting rod to make the minimum rotation angle of the connecting rod reach 60°, with flexible rotation and convenient adjustment.

Preferably, the positioning hole is a positive twelve-angular hole, and cooperates with the end of the post to make the minimum angle of rotation of the post reach 30°, which has wider adaptability.

Preferably, there are two connecting rods.

As a preference, the pin rod of the positioning pin is a regular hexagonal prism, and the tail end of the pin rod is provided with a through hole, and the through hole is inserted with a lock pin. The polygonal prism angle determines the minimum rotation angle, adjusts the angle between the extension rod, the wrench head, the handle and the extension rod, and better avoids obstacles encountered during use, so that the wrench can be used in tortuous and complicated working occasions. The pin can ensure that the positioning pin is inserted firmly and will not fall off.

The beneficial effect of the utility model is that the original linear wrench handle is changed into a handle with a plurality of parts movably connected and in a serpentine structure, and the connecting parts of each part can adjust the angle with each other to avoid using The various obstacles encountered during the operation have greatly improved the use occasions and scope of the wrench.

Description of drawings

Fig. 1 is a kind of structural representation of the utility model.

Fig. 2 is a schematic diagram of the structure of the board head in Fig. 1 .

FIG. 3 is a schematic diagram of the structure of the connecting rod in FIG. 1 .

Fig. 4 is a schematic structural diagram of the handle in Fig. 1 .

In the figure 1. Wrench, 11. Opening, 12. Ear plate, 13. Positioning hole, 2. Handle, 21. Depression, 22. Through hole, 3. Post, 31. Notch, 32. Connection hole, 4. Locating pin, 5. Lock pin.

Detailed ways

The technical solutions of the present utility model will be further specifically described below through the embodiments and in conjunction with the accompanying drawings.

Embodiment: An angle-adjustable wrench of this embodiment is used for disassembling hexagon head bolts or hexagon nuts. As shown in FIG. The two connecting rods 3 that are movably connected to each other, as shown in Figure 2, the wrench head is flat, with an opening 11 at the front end of the plate head, and the opening corresponds to the corresponding hexagon head bolt or hexagon nut, and the rear end of the wrench head is designed with The ear plate 12 with the integrated structure of the wrench, one end of the ear plate is connected to the rear end of the wrench, the other end of the wrench is semicircular and suspended, the thickness of the ear plate is smaller than the thickness of the wrench, and a positioning hole 13 is designed on the ear plate. The positioning hole is Positive hexagonal hole; as shown in Figure 3, the connecting rod is a flat cuboid with semicircular ends, and the two end surfaces of the connecting rod are respectively processed with notches 31 in the same direction, and the ear plate coincides with the notch and is attached to the notch Inside, a connecting hole 32 is designed on the notch surface of the connecting rod end, the connecting hole is a positive hexagonal hole, the connecting hole is coaxial and identical to the positioning hole, and a positioning pin 4 is inserted in the connecting hole, and the pin rod of the positioning pin is positive. Hexagonal prism, with a through hole at the end of the pin rod, and a lock pin 5 is inserted into the through hole; as shown in Figure 4, the handle is a flat cuboid with semicircular ends, and the surface of one side of the handle is processed with a depression 21 , the end of the extension rod coincides with the depression and leans against the depression. The depression surface at the end of the handle is processed with a through hole 22. The through hole is also a regular hexagonal hole. The through hole is coaxial and identical to the connecting hole of the end of the extension rod. The connecting rod and the wrench, the connecting rod and the handle, and the connecting rod are attached to each other through the concave-convex end or the lug plate and are connected through the corresponding connecting holes, positioning holes and positioning pins on the through holes.

When in use, put the lug plate of the wrench against the gap at the end of the first rod, align the positioning hole of the wrench with the connecting hole on the rod, and rotate the angle between the two to achieve the purpose of use. Requirements, insert the positioning pin and buckle the lock pin, fix the angle of the two, correspondingly put the end of the second rod against the gap at the end of the first rod, align the corresponding connection holes and make the two rods The angle between the extension rods meets the requirements, insert the positioning pin and buckle the lock pin, fix the angle of the two, and then make the end of the second extension rod stick to the depression at the end of the handle, rotate the angle between the two and Align the corresponding connecting hole and through hole, insert the positioning pin and buckle the locking pin, and fix the angle of the two. At this point, the adjustment of the handle of the wrench is completed. Insert the wrench along the tortuous working gap and avoid the barrier. The opening of the wrench Insert it directly on the hex head bolt or nut to be disassembled, turn the handle to rotate the wrench, and then tighten or loosen the corresponding bolt or nut.

The above descriptions do not limit the utility model, and the utility model is not limited to the examples described above, any changes, modifications, additions or replacements made by those skilled in the art within the essential scope of the utility model are all It should be regarded as the protection scope of the present utility model.

Claims (7)

1. An angle-adjustable wrench, used for disassembling hexagonal head bolts or hexagonal nuts, characterized in that: the wrench includes a wrench (1), a handle (2), and is located between the two and connected to the two or a plurality of connecting rods (3) that are movably connected, the wrench head is flat, the front end of the wrench head is open (11), the opening matches the hexagon head bolt or hexagon nut, and the rear end of the wrench head There is an ear plate (12) integrated with the wrench head, the suspended end of the ear plate is semicircular, the thickness of the ear plate is smaller than the thickness of the wrench head, the end of the connecting rod is attached to the ear plate, and the ear plate There are positioning holes (13) on it. 2. An angle-adjustable wrench according to claim 1, characterized in that: the connecting rod (3) is a flat cuboid with semicircular ends, and the ends of the connecting rod are respectively provided with the same The notch (31) in the direction, the ear plate (12) coincides with the notch and is attached to the notch, and the notch surface of the end of the post is provided with a connecting hole (32), and the connecting hole and the positioning hole (13) are coaxial and identical, and a positioning pin (4) is inserted in the connecting hole. 3. An angle-adjustable wrench according to claim 2, characterized in that: the handle (2) is a flat cuboid with semicircular ends, and a depression (21) is provided on the surface of one end of the handle , the end of the extension rod (3) coincides with the depression and abuts against the depression, the depression surface at the end of the handle is provided with a through hole (22), the connection hole between the through hole and the end of the extension rod (32) coaxial and identical. 4. An angle-adjustable wrench according to claim 3, characterized in that: the positioning hole (13) is a regular hexagonal hole. 5. An angle-adjustable wrench according to claim 3, characterized in that: the positioning hole (13) is a positive twelve-angle hole. 6. The angle-adjustable wrench according to claim 1, characterized in that there are two connecting rods (3). 7. An angle-adjustable wrench according to claim 2 or 3, characterized in that: the pin rod of the positioning pin (4) is a regular hexagonal prism, and the tail end of the pin rod is provided with a through hole, and the through hole is inserted into the A lock pin (5) is provided.

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