CN112171565A

CN112171565A - Hexagonal spanner

Info

Publication number: CN112171565A
Application number: CN202011187931.9A
Authority: CN
Inventors: 苏新明; 高波; 林明清; 吴传清; 张远军
Original assignee: Hunan Zhongtai Special Equipment Co Ltd
Current assignee: Hunan Zhongtai Special Equipment Co Ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-01-05

Abstract

The invention belongs to a wrench, and particularly relates to a hexagonal wrench which comprises an outer rod and a wrench head arranged at one end of the outer rod, wherein a channel is arranged in the axial direction of the other end of the outer rod, an inner rod is arranged in the channel, and the channel is in threaded connection with the inner rod; the invention can be used for screwing the common hexagonal screw, under the condition that the half-thread screw is tightly matched with the inserting installation position, the half-thread screw can be pushed to be loosened by rotating the outer rod, the operation is convenient and quick, the inserting installation position of the half-thread screw and the half-thread screw is not easy to damage, the functions of the wrench are enriched, the application range of the wrench is enlarged, and the flexibility of the wrench is higher.

Description

Hexagonal spanner

Technical Field

The invention belongs to a wrench, and particularly relates to a hexagonal wrench.

Background

The hexagonal wrench is divided into an inner hexagonal wrench and an outer hexagonal wrench, and is usually made of carbon structural steel or alloy structural steel, and the hexagonal wrench has different types and models according to different use occasions so as to be used for screwing screws of different types. Because the different screw models that use on same mechanism can be different, consequently when dismantling different screws, often need be equipped with the hexagonal spanner of different models, and only the terminal is provided with the screw thread on some screw's body of rod that is used for connecting, its middle part is smooth round rod shape, also called half tooth screw, directly insert on two accessories when this kind of screw uses, then screw up through the nut with terminal screw region again, make two accessory locks, but produced the corrosion on the round rod surface of half tooth screw, or with the grafting cooperation closely under the circumstances, need upwards strike or pry half tooth screw from the top from the bottom, just can take out it, but lead to the deformation of half tooth screw and installation department like this easily, and then be difficult to take out this kind of screw through traditional hexagonal spanner.

Disclosure of Invention

The invention aims to provide a multifunctional hexagonal wrench.

The wrench comprises an outer rod and a wrench head arranged at one end of the outer rod, wherein a channel is arranged in the axial direction of the other end of the outer rod, an inner rod is arranged in the channel, and the channel is in threaded connection with the inner rod.

Furthermore, a bottom plate is fixedly arranged at one end of the inner rod, which is positioned outside the channel, and when the inner rod is completely matched with the channel, the bottom plate is attached to the surface of the tail end of the outer rod.

Furthermore, the surface of the outer rod is provided with a handle which is positioned at one end of the outer rod far away from the wrench head.

Further, the handle surface is provided with an anti-slip sleeve.

Further, the wrench head is hexagonal prism-shaped.

Furthermore, a slotted hole is formed in the axis direction of one end, away from the outer rod, of the wrench head, and the slotted hole is a hexagonal prism slotted hole.

Furthermore, the fixed connecting block that is provided with of one end that the spanner head is close to the outer pole, its both sides of one end that the outer pole deviates from the channel respectively extend and are provided with mounting panel one and mounting panel two, for dismantling the connection between connecting block and mounting panel one, the mounting panel two, and the relative rotation can be between connecting block and mounting panel one, the mounting panel two.

Furthermore, each be provided with a spacing groove on the relative both sides of connecting block, mounting panel one is provided with spacing post towards the arch on the one side of connecting block, can supply the connecting block to pass between spacing capital portion and the mounting panel two, and spacing post is located one of them spacing inslot, sets up the screw towards the connecting block on the mounting panel two, and screw female connection has the bolt, the bottom and another spacing groove butt of bolt.

Furthermore, the top of one end of the connecting block, which is far away from the wrench head, is arc-shaped.

The invention has the advantages that the invention can be used for screwing the common hexagonal screw, under the condition that the half-thread screw is tightly matched with the inserting installation position, the half-thread screw can be pushed to be loose by rotating the outer rod, the operation is convenient and quick, the inserting installation position of the half-thread screw and the half-thread screw is not easy to damage, the functions of the wrench are enriched, the application range of the wrench is enlarged, and the flexibility of the wrench is higher.

Drawings

FIG. 1 is a side view of the present invention.

Fig. 2 is a side sectional view of the present invention.

Fig. 3 is a schematic view of the present invention in use for ejecting a half-thread screw.

In the figure, 10-outer rod; 11-a channel; 12-a handle; 13-mounting the plate I; 131-a limiting column; 14-mounting a second plate; 141-bolts; 20-wrench head; 21-a slot; 22-connecting block; 221-limiting hole; 30-an inner rod; 31-bottom plate.

Detailed Description

As shown in fig. 1-2, the wrench comprises an outer rod 10 and a wrench head 20 arranged at one end of the outer rod 10, wherein a channel 11 is arranged in the axial direction of the other end of the outer rod 10, an inner rod 30 is arranged in the channel 11, the channel 11 is in threaded connection with the inner rod 30, and the total length of the wrench can be adjusted by rotating the outer rod 10 or the inner rod 30. When the half-thread screw is required to be ejected, the hexagonal screw is placed under the half-thread screw, the wrench head 20 faces the half-thread screw, and the outer rod 10 is rotated to enable the wrench head 20 to move upwards and abut against the bottom of the half-thread screw until the half-thread screw is ejected or ejected.

The hexagonal wrench provided by the invention can be used for screwing a common hexagonal screw, under the condition that the half-thread screw is tightly matched with the insertion installation part, the half-thread screw can be pushed to be loose by rotating the outer rod 10, the operation is convenient and quick, the insertion installation part of the half-thread screw and the half-thread screw is not easy to damage, the functions of the wrench are enriched, the application range of the wrench is enlarged, and the flexibility of the wrench is higher.

In the invention, a bottom plate 31 is fixedly arranged at one end of the inner rod 30 positioned outside the channel 11, when the inner rod 30 is completely matched with the channel 11, the bottom plate 31 is attached to the surface of the tail end of the outer rod 10, and by arranging the bottom plate 31, the bottom plate 31 can be used for supporting the whole wrench, so that the whole wrench can be vertically placed, and the half-thread screw can be conveniently ejected.

In the present invention, a handle 12 is disposed on the surface of the outer rod 10, and the handle 12 is located on the end of the outer rod 10 away from the wrench head 20. By arranging the handle 12, force application is more convenient when the hexagonal screw is screwed, and the outer rod 10 is also convenient to rotate when the half-thread screw is ejected. Preferably, the surface of the handle 12 is provided with an anti-slip sleeve to increase friction with the palm of the hand, thereby further facilitating the application of force and rotation of the outer rod 10.

In the present invention, the wrench head 20 is hexagonal prism shaped, a slot 21 is disposed in an axial direction of an end of the wrench head 20 away from the outer rod 10, and the slot 21 is a hexagonal prism slot. So that the wrench head 20 not only can be used for screwing the inner hexagonal screw, but also can be used for screwing the outer hexagonal screw, thereby further enriching the functions of the wrench and further enlarging the application range of the wrench.

In the invention, a connecting block 22 is fixedly arranged at one end of the wrench head 20 close to the outer rod 10, a first mounting plate 13 and a second mounting plate 14 are respectively arranged on two sides of one end of the outer rod 10 away from the channel 11 in an extending manner, the connecting block 22 is arranged between the first mounting plate 13 and the second mounting plate 14, and the connecting block 22 is detachably connected with the first mounting plate 13 and the second mounting plate 14, namely the wrench head 20 is detachably connected with the outer rod 10, and the connecting block 22 can relatively rotate between the first mounting plate 13 and the second mounting plate 14, namely the wrench head 20 and the outer rod 10 can relatively rotate. Through setting up to dismantling between wrench head 20 and the outer pole 10 and being connected, can be convenient for change the wrench head 20 of different models according to the size of hexagonal screw, make the flexibility ratio of spanner higher, through setting up to relative rotation between wrench head 20 and the outer pole to can adjust wrench head 20's angle according to the angle of hexagonal screw, the application of force is more convenient when twisting the hexagonal screw, and also more laborsaving.

Specifically, each be provided with a spacing groove 221 on the relative both sides of connecting block 22, mounting panel 13 is provided with spacing post 131 towards the protruding in the one side of connecting block 22, can supply connecting block 22 to pass between spacing post 131 top and the mounting panel two 14, sets up the screw towards connecting block 22 on the mounting panel two 14, and screw female connection has bolt 141. When the wrench head 20 is installed, the connecting block 22 is inserted between the first mounting plate 13 and the second mounting plate 14, the limiting column 131 is inserted into one of the limiting grooves 221, the bolt 141 is then inserted through the screw hole and screwed down, the bottom of the bolt 141 is abutted to the other limiting groove 221, the wrench head 20 is fixed, when the angle of the wrench head 20 needs to be adjusted, the bolt 141 is unscrewed, the wrench head 20 is rotated to a required angle, the bolt 141 is screwed down, when the wrench head 20 needs to be replaced, the bolt 141 is unscrewed or screwed out, the wrench head 20 is taken out, the other wrench head 20 is mounted and the bolt 141 is screwed down, the operation is convenient and rapid, and the use flexibility is high.

In the invention, the top of the connecting block 22 far away from the end of the wrench head 22 is arc-shaped, which is convenient for the rotation of the wrench head 20.

Claims

1. The utility model provides a hexagonal spanner, characterized by includes outer pole (10) and sets up wrench end (20) in outer pole (10) one end, be provided with channel (11) on outer pole (10) other end axis direction, be provided with interior pole (30) in channel (11), channel (11) and interior pole (30) threaded connection.

2. The allen wrench as claimed in claim 1, wherein a bottom plate (31) is fixedly provided at the end of the inner rod (30) located outside the channel (11), and when the inner rod (30) is completely fitted in the channel (11), the bottom plate (31) is attached to the end surface of the outer rod (10).

3. A hexagonal wrench as claimed in claim 1, characterised in that the outer shank (10) is provided with a handle (12) on its surface, said handle (12) being located at the end of the outer shank (10) remote from the wrench head (20).

4. A hexagonal wrench according to claim 3, characterized in that the handle (12) is provided with an anti-slip cover on its surface.

5. A hexagonal wrench according to claim 1, characterised in that the wrench head (20) is hexagonal.

6. A hexagonal wrench according to one of claims 1 to 5, characterized in that the wrench head (20) is provided with a slot (21) in the axial direction of the end facing away from the outer rod (10), said slot (21) being a hexagonal slot.

7. The hexagonal wrench as claimed in any one of claims 1-5, wherein a connecting block (22) is fixedly disposed at one end of the wrench head (20) close to the outer rod (10), a first mounting plate (13) and a second mounting plate (14) are respectively extended from both sides of one end of the outer rod (10) away from the channel (11), the connecting block (22) is detachably connected with the first mounting plate (13) and the second mounting plate (14), and the connecting block (22) can rotate relative to the first mounting plate (13) and the second mounting plate (14).

8. The hexagonal wrench as claimed in claim 7, wherein each of the opposite sides of the connecting block (22) is provided with a limiting groove (221), one surface of the mounting plate (13) facing the connecting block (22) is convexly provided with a limiting column (131), the connecting block (22) can pass through between the top of the limiting column (131) and the mounting plate (14), the limiting column (131) is located in one of the limiting grooves (221), the mounting plate (14) is provided with a screw hole facing the connecting block (22), the screw hole is internally threaded with a bolt (141), and the bottom of the bolt (141) abuts against the other limiting groove (221).

9. A allen wrench as claimed in claim 7, in which the end of the connecting block (22) remote from the wrench head (22) is curved at its top.