CN219212970U - A hex wrench - Google Patents

Abstract

The utility model discloses an internal hexagonal wrench, which comprises the following components: a torsion lever and a wrench body; the torque lever can penetrate through the middle part of the wrench main body to adjust the length, and the wrench is small in occupied space, suitable for operation in a narrow space, light in weight and convenient to carry.

Description

A hex wrench

technical field

The utility model belongs to the technical field of assembly and disassembly tools, in particular to an inner hexagonal wrench.

Background technique

Hexagon wrench is a commonly used hardware tool for tightening and dismounting hexagon socket bolts; traditional wrenches are basically manufactured in accordance with the national standard "GB/T 5356-2008 Hexagon Wrench", see attached image 1, hexagon wrench It is a right-angle crank rod with a regular hexagonal cross section. The two sections of the crank rod are a long handle and a short handle. Force handle; when the short handle cooperates with the regular hexagonal groove of the hexagon socket bolt to disassemble and assemble the bolt, the long handle is a torsion force handle. However, the traditional hexagonal wrench has the following problems. First, the operating space of the hexagonal wrench is relatively large, which is not conducive to the operation and use in narrow spaces; To cope with hexagon socket bolts of different sizes and models, the existing hexagon socket wrench is a right-angle curved rod, which takes up a lot of space and is inconvenient to store.

Utility model content

In view of this, the utility model provides an inner hexagonal wrench, which takes up little space, is not only suitable for operations in narrow spaces, but also is light in weight and easy to carry.

The utility model is achieved through the following technical solutions:

An inner hexagon wrench, comprising: a torque lever and a wrench body; the torque lever can pass through the middle of the wrench body for length adjustment, and the specific structure is:

The main body of the wrench is connected by the end head and the connecting body. The end head is a rod-shaped structure with a regular hexagonal cross section. Groove fit;

The outer peripheral surface of the connecting body is provided with a radial waist-shaped through hole, and the torsion lever is a rod-shaped structure with a waist-shaped cross section. The torsion lever is detachably set through the waist-shaped through-hole on the connecting body. The waist type through hole moves back and forth.

Further, the main body of the wrench is integrally formed by the end and the connecting body.

Further, the centerline of the torsion lever is perpendicular to and coplanar with the centerline of the end.

Further, the wrench body is formed by connecting a connecting body and a terminal.

Further, the main body of the wrench is formed by connecting a connecting body and two ends, the two ends have different diameters and are respectively connected to two ends of the connecting body.

Further, the end of the torsion lever is provided with a wedge-shaped head that can fit into the notch of the head of the flat-shaped screw.

Further, let the distance between two opposite sides of the regular hexagon in the cross-section of the terminal be s, and s is equal to 2mm, 2.5mm, 3mm, 4mm or 5mm.

Beneficial effect:

(1) The torsion lever of the utility model is detachably set through the waist-shaped through hole on the connecting body. The torsion lever can move back and forth along the waist-shaped through hole, and the rotation radius can be adjusted according to the size of the actual space to realize the inner hexagon Use of bolts in tight spaces.

In addition, different wrench bodies and the same torque lever can be used for different sizes of hexagon socket head bolts, which takes up little space, is light in weight, and is easy to carry.

(2) The main body of the wrench of the utility model is integrally formed by the end and the connecting body, and the integrally formed setting can ensure that the strength of the wrench can withstand greater force, so as to realize the durability and reliability of the wrench.

(3) The center line of the torsion lever of the utility model is vertical and coplanar with the center line of the end head, which can ensure uniform stress on the end end and realize the durability and reliability of the wrench.

(4) The main body of the wrench in the utility model can be connected by a connecting body and two ends. The diameters of the two ends are different, and they are respectively connected to the two ends of the connecting body. , and can further save carrying space, which is convenient for storage and selection of tools in use.

(5) The end of the torsion lever in the utility model is provided with a wedge-shaped head that can cooperate with the notch of the head of the flat-shaped screw, and the flat-shaped screw can be disassembled, further expanding the applicable work of the hexagonal wrench. condition.

Description of drawings

Fig. 1 is a schematic diagram of a traditional hexagonal wrench;

Fig. 2 is a schematic diagram of a single-ended hexagon socket wrench of the present invention;

Fig. 3 is a wrench main body with a single end of the utility model;

Fig. 4 is a schematic diagram of a double-ended hexagon socket wrench of the present invention;

Fig. 5 is the wrench main body with double ends of the utility model;

Among them, 1-torque lever, 2-wrench body I, 21-connector I, 22-terminal I, 3-wrench main body II, 31-terminal II, 32-terminal III, 33-connector II.

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings and examples.

Example 1:

This embodiment provides a hexagon socket wrench, referring to accompanying drawing 2, comprising a torsion lever 1 and a wrench body; the torsion lever 1 can pass through the middle of the wrench body for length adjustment, and the specific structure is:

The main body of the wrench is a stepped structure integrally formed by the end and the connecting body. The connecting body is a cylindrical structure, and the end is a rod-shaped structure with a regular hexagonal end surface. The other end is used to cooperate with the groove of the hexagon socket bolt during operation; the distance between two opposite sides of the regular hexagon in the cross section of the end is s, and s can be equal to 2mm, 2.5mm, 3mm, 4mm or 5mm.

The outer peripheral surface of the connecting body is provided with a radial waist-shaped through hole, and the torsion lever 1 is a rod-shaped structure with a waist-shaped cross section. The torsion lever 1 is detachably set through the waist-shaped through hole on the connecting body, and the torsion lever The centerline of 1 and the centerline of the end are perpendicular and coplanar. By applying torque to the torque lever 1 to rotate the end, the hexagon socket bolts can be disassembled; the torque lever 1 can move back and forth along the waist-shaped through hole, according to the actual space Adjust the size of the rotation radius.

working principle:

During operation, by applying a torsion force to the torsion lever 1 to act on the connection body, the connection body drives the end to disassemble and assemble the hexagon socket head bolt.

The torque lever 1 can move back and forth along the waist-shaped through hole, adjust the rotation radius according to the size of the actual space, and realize the use of hexagon socket bolts in narrow spaces;

The torsion lever 1 is detachably passed through the waist-shaped through hole on the connecting body. For hexagon socket head bolts of different sizes, different wrench bodies and the same torsion lever 1 can be used, which takes up little space and is easy to carry.

Example 2:

This embodiment is based on Embodiment 1, referring to accompanying drawings 2 and 3, and provides a hexagonal wrench, the wrench body is a wrench body I2, and the wrench body I2 is integrally formed by a connecting body I21 and a terminal I22;

The remaining connections and working principles are the same as those in Embodiment 1, and will not be repeated here.

Example 3:

This embodiment is based on Embodiment 1, referring to accompanying drawings 4 and 5, and provides a hexagonal wrench, the wrench body is wrench body II3, and the wrench body II3 is integrally formed by two ends and connecting body II33, and the two ends are respectively The terminal II31 and the terminal III32 are respectively connected to the two ends of the wrench main body II3; the diameters of the terminal II31 and the terminal III32 are different. Applicable to the disassembly of hexagon socket nuts of two sizes.

The remaining connections and working principles are the same as those in Embodiment 1, and will not be repeated here.

Example 4:

Present embodiment is based on embodiment 1, referring to accompanying drawing 2, the end of torsion lever 1 is provided with wedge-shaped head, can cooperate as screwdriver and the notch of the head of flat screw, flat screw is disassembled, further The applicable working conditions of the hexagonal wrench have been expanded.

The remaining connections and working principles are the same as those in Embodiment 1, and will not be repeated here.

In summary, the above are only preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (7)

1. An allen wrench, comprising: a torsion lever and a wrench body; the torsion lever can pass through the middle part of spanner main part and carry out length adjustment, and specific structure is:

the wrench body is formed by connecting an end head and a connecting body, the end head is of a rod-shaped structure with a regular hexagon cross section, one end of the end head is connected with the end part of the connecting body, and the other end of the end head is matched with a groove of an inner hexagon bolt during operation;

the outer periphery of the connecting body is provided with a radial waist-shaped through hole, the torsion lever is of a rod-shaped structure with a waist-shaped cross section, the torsion lever detachably penetrates through the waist-shaped through hole on the connecting body, and the torsion lever can move and reciprocate along the waist-shaped through hole.

2. The socket head wrench of claim 1, wherein the wrench body is integrally formed with the head and the connector.

3. The socket head wrench of claim 1, wherein the centerline of the torsion lever is perpendicular to and coplanar with the centerline of the head.

4. The socket head wrench of claim 1, wherein the wrench body is formed by connecting a connector and a tip.

5. The socket head wrench of claim 1, wherein the wrench body is formed by connecting a connector with two ends, the two ends having different diameters and being connected to two ends of the connector respectively.

6. An allen wrench as claimed in any one of claims 1 to 5, wherein the end of the torsion lever is provided with a wedge head which mates with a recess in the head of the in-line screw.

7. An allen wrench according to any one of claims 1-5, wherein the two opposite sides of the regular hexagon of the cross-section of the end head are spaced apart by s, s being equal to 2mm, 2.5mm, 3mm, 4mm or 5mm.

Images